US20060249471A1 - Container with cap retainer - Google Patents
Container with cap retainer Download PDFInfo
- Publication number
- US20060249471A1 US20060249471A1 US10/577,205 US57720506A US2006249471A1 US 20060249471 A1 US20060249471 A1 US 20060249471A1 US 57720506 A US57720506 A US 57720506A US 2006249471 A1 US2006249471 A1 US 2006249471A1
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- US
- United States
- Prior art keywords
- cap
- container
- combination according
- slot
- contact surfaces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/16—Devices preventing loss of removable closure members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/12—Means for the attachment of smaller articles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Definitions
- This invention relates to containers having reusable caps.
- Particular embodiments of the invention provide containers having cap retainers on their walls and/or bases. After the containers are opened, the caps may be stored in the cap retainers and later reused to seal the containers.
- FIG. 1A depicts a prior art beverage container 10 .
- Container 10 comprises a container wall 12 and a base 13 .
- Container 10 also comprises a rim 14 , which defines a container opening 16 . Opening 16 may be used to insert contents into and dispense contents from container 10 .
- rim 14 and opening 16 are circularly shaped.
- container 10 will comprise a cap 18 as shown in more detail in FIGS. 1B and 1C .
- FIGS. 1B and 1C depict a reusable cap 18 for sealing and resealing container 10 .
- Cap 18 comprises a top portion 20 having an exterior surface 20 A and an interior surface 20 B and a side portion 22 having an exterior surface 22 A and an interior surface 22 B.
- Side portion 22 of cap 18 comprises a cap rim 23 , which defines a cap opening 25 .
- container 10 is sealed by extending rim 14 of container 10 into cap opening 25 and rotating container 10 and cap 18 relative to one another, such that one or more threads 24 located on rim 14 of container 10 engage corresponding thread(s) 26 on cap 18 .
- cap 18 is coupled to container 10 in this manner, the contents of container 10 are prevented from escaping.
- a cap When a cap is uncoupled from its container, the cap is separated from the container and may become lost, dirty or otherwise contaminated. In addition, it is often inconvenient to have to hold the cap in one hand while using the other hand to hold the container and dispense the container's contents. For example, in the case of a beverage container, after removing the cap from the container it is necessary to use at least one hand to drink from the container opening. If a person needs to use their other hand for another activity (e.g. riding a bicycle, driving a car, holding onto a handbag or the like), then the person typically must put the cap down as both their hands are in use. Often, putting the cap down is done absent mindedly, which may cause the cap to become lost. Sometimes, there is no hygienic place to put the cap down and the cap can become dirty or otherwise contaminated. In addition, some of the container contents may be present on the cap and may dirt, stain or age the material onto which the cap is placed.
- U.S. Pat. No. 5,211,299 discloses a baby bottle formed with a truncated conical cap which includes an annular groover adjacent to its top wall.
- a bottom of the baby bottle incorporates a truncated conical cavity directed coaxially into the bottle for receiving the cap.
- the walls of the cavity are formed with a plurality of projections for projecting into the annular groove in the cap.
- the Manfredonia bottle is unhygienic because when the cap is received in the stored position, its rim and its interior surfaces are still exposed to contamination. In addition, a person must grasp the interior surfaces of the cap to insert and/or remove the cap from the cavity.
- Another drawback with the Mandfredonia technique involves the difficulty of fabricating the bottle and cap using conventional molding techniques.
- One particular aspect of the invention provides a container having a container opening and a reusable cap for sealing the container opening.
- the container comprises a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening.
- the cap retainer comprises a slot defined by a pair of sidewalls.
- the slot has at least one open end.
- Each of the sidewalls provides a contact surface which engages the cap for securing the cap in its storage configuration within the slot.
- the slot may be formed in a side wall or in the base of a container.
- the cap may be slidable in a direction of a longitudinal dimension of the slot from the at least one open end of the slot to its storage configuration.
- the contact surfaces of the sidewalls may engage an exterior surface of a side portion of the cap.
- the cap may be secured in its storage configuration by frictional forces between the contact surfaces and the exterior surface of the side portion of the cap.
- the cap may be additionally or alternatively secured in its storage configuration by pressure associated with elastic deformation of the cap or the sidewalls.
- Each of the sidewalls may comprise at least one sidewall point, where the sidewall extends transversely into the slot.
- the transverse dimension of the slot is narrower in a region of the at least one sidewall point when compared to the transverse dimension of the slot in a region of the contact surfaces.
- the at least one sidewall point may be located between the at least one open end of the slot and the contact surface of the sidewall.
- the at least one sidewall point for a first of the sidewalls and the at least one sidewall point for a second of the sidewalls may be located directly, transversely across the slot from one another.
- the sidewalls may each comprise a pair of sidewall points and the contact surface of each sidewall may be located between its pair of sidewall points.
- the sidewalls may each comprise a plurality of sidewall points and a plurality of contact surfaces and each contact surface may be located between a pair of sidewall points.
- the contact surfaces may be curved to correspond to a shape of the side portion of the cap.
- the curved contact surfaces may exert pressure on the cap such that the side portion of the cap is deformed to conform to the shape of the curved contact surfaces.
- the cap retainer may comprise a wall which extends transversely between the sidewalls at one end of the slot.
- the transversely extending wall may comprise an additional contact surface which engages the cap for securing the cap in its storage configuration.
- the contact surfaces of the sidewalls and the contact surface of the transversely extending wall may be curved to correspond to a shape of the side portion of the cap.
- the sidewalls may comprise an outwardly opening tapering angle in a range of 0-5°.
- the cap may comprise a lip which projects radially outwardly from its side portion and each of the sidewalls may comprise a corresponding groove for receiving the cap when the cap is in its storage configuration.
- the sidewalls may extend inwardly from a container wall and a base of the slot may be depressed relative to the container wall.
- the sidewalls may extend outwardly from a container wall and a base of the slot may be level with the container wall.
- At least one of the contact surfaces of the sidewalls and the exterior surface of the side portion of the cap may be coated with a layer of an elastomeric material.
- the cap may be secured in its storage configuration by frictional forces between the layer of elastomeric material and the contact surfaces or between the layer of elastomeric material and the exterior surface of the side portion of the cap.
- the cap may be secured in its storage configuration by pressure associated with elastic deformation of the elastomeric material.
- the container having a container opening and a reusable cap for sealing the container opening.
- the container comprises a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening.
- the cap retainer comprises a circularly shaped depressed region for receiving the cap.
- the depressed region is located between a plurality of lobes which are angularly spaced apart around a circumference thereof.
- Each of the lobes comprises a contact surface which engages the cap for securing the cap in its storage configuration.
- the container comprises channels between each of the lobes for permitting finger access to remove the cap from its storage configuration.
- Each of the contact surfaces may comprise an outwardly opening tapering angle in a range of 0-5°.
- the container having a container opening and a reusable cap for sealing the container opening.
- the container comprises a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening.
- the cap retainer comprises a circularly symmetric depressed region for receiving the cap.
- a side portion of the cap comprises one or more radially extending projections, each projection spanning an arcuate segment of a circumference of the side portion of the cap. Each of the radially extending projections engages a corresponding contact surface of the circularly symmetric depressed region for securing the cap in its storage configuration.
- a container comprising an opening, a reusable cap engageable with the opening and a cap retainer.
- the cap retainer comprises a pair of opposed sidewalls defining a slot having at least one open end.
- the slot comprises a cap receiving area and a narrowed throat located between the cap receiving area and the at least one open end.
- the narrowed throat has a transverse dimension smaller than a transverse dimension of the cap and smaller than a transverse dimension of the cap receiving area.
- Each of the sidewalls also comprises a contact surface which engages the cap when the cap is located in the cap receiving area for securing the cap therein.
- FIG. 1A is a side elevation view of a prior art beverage container
- FIGS. 1B and 1C are respectively isometric and cross-sectional views of a prior art cap for the container of FIG. 1A ;
- FIGS. 2A-2C are respectively a side elevation view, a partially sectioned side view (along axis A-A) and a cross-sectional view (along axis B-B) of a container according to an embodiment of the invention with its cap stored in its cap retainer;
- FIG. 2D is a side elevation view of the cap retainer of the container of FIGS. 2A-2C ;
- FIGS. 3A-3C are respectively a side elevation view, a partially sectioned side view (along axis C-C) and a cross-sectional view (along axis D-D) of a container according to another particular embodiment of the invention with its cap stored in its cap retainer;
- FIG. 3D is a side elevation view of the cap retainer of the container of FIGS. 3A-3C ;
- FIGS. 4A-4C are respectively a side elevation view, a partially sectioned side view (along axis E-E) and a cross-sectional view (along axis F-F) of a container according to another embodiment of the invention with its cap stored in its cap retainer;
- FIG. 4D is a side elevation view of the cap retainer of the container of FIGS. 4A-4C ;
- FIGS. 5A-5C are respectively a side elevation view, a partially sectioned side view (along axis G-G) and a cross-sectional view (along axis H-H) of a container according to another embodiment of the invention with its cap stored in its cap retainer;
- FIGS. 6A-6B are respectively a partially sectioned side view (along axis I-I) and a cross-sectional view (along axis J-J) of a container according to another embodiment of the invention with its cap stored in its cap retainer;
- FIGS. 7A-7B are respectively a partially sectioned side view (along axis K-K) and a cross-sectional view (along axis L-L) of a container according to another embodiment of the invention with its cap stored in its cap retainer;
- FIGS. 8A-8B are respectively a partially sectioned side view (along axis M-M) and a bottom view of container according to another embodiment of the present invention with its cap stored in its cap retainer;
- FIGS. 9A and 9B are respectively a partially sectioned side view (along line N-N) and a cross-sectional view (along line O-O) of a container according to another embodiment of the present invention with its cap stored in its cap retainer;
- FIGS. 9C and 9D are respectively a cross-sectional view (along line P-P) and a bottom view of the cap for the container of FIGS. 9A and 9B ;
- FIGS. 10A and 10B are respectively a partially sectioned side view (along line Q-Q) and a bottom view of a container according to another embodiment of the present invention with its cap stored in its cap retainer; and
- FIGS. 11A and 11B are respectively a partially sectioned side view (along line R-R) and a bottom view of a container according to another embodiment of the present invention with its cap stored in its cap retainer.
- Some embodiments of the invention provide containers having removable caps and cap retainers.
- the caps may be removed from the container openings, stored in the cap retainers and later reused to seal the containers.
- Some embodiments of the invention provide containers for storing beverages or other edible fluids, commonly referred to as “bottles”.
- the cap retainers allow the caps to be stored in a hygienic manner that minimizes the opportunities of contamination of the caps before they are used to reseal the containers.
- a cap retainer comprises one or more contact surfaces which contact corresponding surface(s) of the cap to secure the cap in the cap retainer.
- the contact surfaces may be part of a recessed region formed in the container wall or the container base. Alternatively, the contact surfaces may project outwardly from the container walls and/or the container base.
- the cap may be secured in the cap retainer by frictional forces acting between the contact surface(s) of the cap retainer and the corresponding surfaces of the cap.
- the contact surface(s) of the cap retainer and/or the corresponding surface(s) of the cap are made of elastically deformable material and/or are covered in a layer of elastomeric material.
- the cap may be additionally secured in the cap retainer by pressure exerted between the contact surface(s) and the cap as a result of elastic deformation of the cap, the cap retainer and/or the elastomeric material.
- FIGS. 2A-2D depict a container 100 having a cap 103 and a cap retainer 110 according to one embodiment of the invention.
- Container 100 is a bottle for holding a beverage.
- Container 100 comprises a container wall 101 , a base 105 and a generally circular rim 102 which defines container opening 102 A.
- Cap 103 may be substantially similar to prior art cap 18 described above.
- Cap 103 may be coupled to rim 102 to seal opening 102 A.
- cap 103 is threadably coupleable to rim 102 .
- cap 103 is shown in its storage configuration, wherein cap 103 is retained in cap retainer 110 .
- Cap retainer 110 comprises an elongated slot 110 A formed between a pair of sidewalls 114 , 115 . At one of its ends, slot 110 A comprises a wall 113 which extends transversely between sidewalls 114 , 115 and at its opposing end 111 , slot 110 A is open. In the illustrated embodiment, as seen best in FIGS. 2B and 2C , slot 110 A and its base 116 are recessed into container wall 101 . In alternative embodiments, sidewalls 114 , 115 and lower wall 113 may extend outwardly from container wall 101 , such that base 116 of slot 110 A is level with container wall 101 .
- sidewalls 114 , 115 and transverse wall 113 have a shape shown best in FIG. 2D .
- the transverse dimension of slot 110 A is relatively wide (i.e. sidewalls 114 , 115 are relatively widely spaced apart from one another).
- the transverse dimension of slot 110 A narrows.
- sidewall portions 114 A, 115 A are generally planar angled surfaces. Sidewall portions 114 A, 115 A may also be curved.
- the transverse dimension of slot 110 A is narrowest at sidewall points 114 B, 115 B. In some embodiments, sidewall points 114 B, 115 B may extend inwardly by a distance in a range of 0-5% of the diameter of cap 103 .
- Sidewall portions 114 C, 115 C extend below sidewall points 114 B, 115 B toward transverse wall 113 , the transverse dimension of slot 110 A increases again.
- Sidewall portions 114 C, 115 C and portion 113 A of transverse wall 113 are shaped to provide a curved cap retaining bay 117 .
- the contact surfaces of cap retaining bay 117 may be shaped correspond generally to exterior surface 146 of side portion 146 A of cap 103 .
- the contact surfaces of cap retaining bay 117 may exert pressure on cap 103 , such that side portion 146 A of cap 103 is deformed to conform to the shape of the curved surfaces of cap retaining bay 117 .
- Putting cap 103 into its storage configuration in cap retainer 110 first involves placing cap 103 into slot 110 A at its open upper end 111 . Preferably, a portion of cap 103 abuts against base 116 of slot 110 A. Cap 103 may then be slid along the longitudinal dimension of slot 110 A until it passes sidewall points 114 B, 115 B (i.e. the narrowest portion of slot 110 A) and fits into retaining bay 117 .
- Sliding cap 103 past sidewall points 114 B, 115 B preferably involves some deformation of cap 103 and/or sidewalls 114 , 115 , such that when cap 103 is slid into retaining bay 117 , the person placing cap 103 into cap retainer 110 hears and/or feels a “click” as cap 103 and/or sidewalls 114 , 115 expand back toward their nominal (i.e. undeformed) configuration.
- cap 103 When cap 103 is received in retaining bay 117 , it is in its storage configuration.
- Surfaces 114 C, 115 C, 113 A of retaining bay 117 represent the contact surfaces of cap retainer 110 , which contact the exterior surface 146 of side portion 146 A of cap 103 .
- Cap 103 is secured in place in its storage configuration by frictional forces acting between contact surfaces 114 C, 115 C, 113 A of cap retainer 110 and the exterior surface 146 of side portion 146 A of cap 103 .
- there is still some deformation of side portion 146 A of cap 103 and/or contact surfaces 114 C, 115 C, 113 A of cap retainer 110 Preferably, when cap 103 is in its storage configuration, there is still some deformation of side portion 146 A of cap 103 and/or contact surfaces 114 C, 115 C, 113 A of cap retainer 110 .
- Such elastic deformation causes pressure to be exerted between contact surfaces 114 C, 115 C, 113 A of cap retainer 110 and the exterior surface 146 of side portion 146 A of cap 103 . This pressure tends to hold cap 103 in place in cap retainer 110 .
- cap 103 is inserted and stored into cap retainer 110 in an orientation wherein cap rim 118 ( FIGS. 2B, 2C ) abuts against base 116 of slot 110 A and the exterior surface 145 of top portion 145 A of cap 103 is facing outwardly.
- This orientation of cap 103 in cap retainer 110 promotes hygiene by minimizing the exposure of the cap opening and the interior surfaces of cap 103 to contamination.
- a person may insert and remove cap 103 from cap retainer 110 without handling the interior surfaces of cap 103 .
- cap 103 in cap retainer 110 also helps to prevent cap 103 from being permanently warped or broken because of excessive deformation.
- Removal of cap 103 from cap retainer 110 may be accomplished in a manner opposite to that of insertion, wherein cap 103 is forced toward open end 111 of slot 110 A and is subsequently removed from slot 110 A. Alternatively, cap 103 may be pulled directly outwardly from slot 110 A without having to slide cap 103 toward open end 111 .
- Sidewalls 114 , 115 and/or transverse wall 113 may optionally be provided with a non-zero tapering angle P ( FIG. 2C ), such that the transverse dimension of slot 110 A gets wider as sidewalls 114 , 115 and/or transverse wall 113 extend away from base 116 of slot 110 A.
- tapering angle ⁇ is measured from a plane orthogonal to base 116 of slot 110 A.
- tapering angle ⁇ may be selected on the basis of the elastic deformation properties and friction properties of the materials used for cap 103 and cap retainer 110 , such that cap 103 is adequately secured in cap retainer 110 without permanently warping or breaking cap 103 . In some embodiments, tapering angle ⁇ is in the range of 0-5°.
- Tapering angle ⁇ may be significantly increased by coating the exterior surface 146 of side portion 146 A of cap 103 and/or contact surfaces 114 C, 115 C, 113 A with elastomeric material that increases the friction therebetween. This provides additional freedom for design and fabrication of container 100 and cap 103 .
- FIGS. 3A-3D show a container 200 and cap 203 according to another embodiment of the invention.
- container 200 and cap 203 are similar to container 100 and cap 103 of FIGS. 2A-2D .
- Features of container 200 and cap 203 that are similar to features of container 100 and cap 103 are provided with similar reference numerals preceded by the digit “2” rather than “1”.
- cap retainer 210 of container 200 comprises a slot 210 A having a pair of open ends 211 , 212 (i.e. transverse wall 113 is not present in cap retainer 210 of container 200 ).
- Sidewalls 214 , 215 of cap retainer 210 also have different shapes than sidewalls 114 , 115 of cap retainer 110 . As shown best in FIG. 3D , sidewall portions 214 A, 215 A closest to open end 211 are shaped such that the transverse dimension of slot 210 A becomes narrower as sidewall portions 214 A, 215 A extend away from open end 211 .
- sidewall portions 214 E, 215 E closest to open end 212 are shaped such that the transverse dimension of slot 210 A becomes narrower as sidewall portions 214 E, 215 E extend away from open end 212 .
- sidewall portions 214 A, 215 A, 214 E, 215 E are planar angled surfaces, but sidewall portions 214 A, 215 A, 214 E, 215 E may also be curved.
- Slot 210 A is narrowest at sidewall points 214 B, 215 B and at sidewall points 214 D, 215 D.
- sidewall points 214 B, 215 B, 214 D, 215 D may extend inwardly by a distance in a range of 0-5% of the diameter of cap 203 .
- sidewall portions 214 C, 215 C are shaped such that the dimension of slot 210 A increases again.
- Sidewall portions 214 C, 215 C may be curved to correspond in shape to side portion 246 A of cap 203 .
- sidewall portions 214 C, 215 C exert pressure on cap 203 , such that side portion 246 A of cap 203 is deformed to conform to the shape of the curved surfaces of sidewall portions 214 C, 215 C.
- Cap 203 may be inserted and stored in cap retainer 210 from either open end 211 , 212 of slot 210 A.
- a portion of cap 203 preferably abuts against base 216 of slot 210 A.
- Cap 203 is then slid along the longitudinal dimension of slot 210 A until it passes sidewall points 214 B, 215 B (when inserted from open end 211 ) or until it passes sidewall points 214 D, 215 D (when inserted from open end 212 ).
- Cap 203 is in its storage configuration when it reaches sidewall portions 214 C, 215 C.
- Sliding cap 203 past sidewall points 214 B, 215 B or sidewall points 214 D, 215 D preferably involves some deformation of cap 203 and/or sidewalls 214 , 215 , such that when cap 203 reaches sidewall portions 214 C, 215 C, the person placing cap 203 into cap retainer 210 hears and/or feels a “click” as cap 203 and/or sidewalls 214 , 215 expand back toward their nominal (i.e. undeformed) configuration.
- Surfaces 214 C, 215 C represent the contact surfaces of cap retainer 210 , which contact the exterior surface 246 of side portion 246 A of cap 203 .
- cap 203 is secured in place in the storage configuration by frictional forces acting between contact surfaces 214 C, 215 C of sidewalls 214 , 215 and or the pressure associated with the elastic deformation of sidewalls 114 , 115 and/or cap 203 .
- Removal of cap 203 from cap retainer 210 may be accomplished in a manner opposite that of insertion, wherein cap 203 is forced toward either open end 211 , 212 of slot 210 A and is subsequently removed from slot 210 A.
- cap 203 may be pulled directly outwardly from slot 210 A without having to slide cap 203 toward open end 211 or open end 212 .
- FIGS. 4A-4D show a container 300 and a cap 303 according to another embodiment of the invention.
- container 300 and cap 303 are similar to container 200 and cap 203 of FIGS. 3A-3D .
- Features of container 300 and cap 303 that are similar to features of container 200 and cap 203 are provided with similar reference numerals preceded by the digit “3” rather than “2”.
- cap retainer 310 which comprise narrowing portions 314 A, 315 A (proximate to open end 311 ), narrowing portions 314 I, 315 I (proximate to open end 312 ), multiple sidewall points 314 B, 315 B; 314 D, 315 D; 314 F, 315 F; and 314 H, 315 H, and multiple curved contact surfaces 314 C, 315 C; 314 E, 315 E; and 314 G, 315 G, between which cap 303 may be retained.
- cap retainer 310 provides a plurality of potential storage configurations for cap 303 .
- cap retainer 310 is shown with three pairs of contact surfaces 314 C, 315 C; 314 E, 315 E; and 314 G, 315 G, but that cap retainer 310 may have larger number or smaller number of pairs of contact surfaces and a correspondingly larger or smaller number of storage configurations for cap 303 .
- cap 303 may still be retained between another pair of contact surfaces (e.g. contact surfaces 314 E, 315 E).
- cap 303 comprises an optional lip 320 which projects radially outwardly from side portion 346 A of cap 303 near cap rim 318 .
- Sidewalls 314 , 315 comprise corresponding grooves 321 for receiving lip 320 when cap 303 is inserted into slot 310 A.
- Lip 320 and corresponding grooves 321 help to retain cap 303 in cap retainer 310 .
- lip 320 of cap 303 and grooves 321 of container 300 may allow for slot 310 A to have a relatively shallow shape.
- cap retainer 310 of container 300 has a base 316 which is substantially planar from open end 311 through to open end 312 .
- cap retainer 210 comprises a curved base portion 219 near open end 212 . Curved base portion 219 may make it easier to guide cap 203 into cap retainer 210 .
- any of the slotted embodiments described herein may comprise curved base portions at one or both of their open ends.
- Container 300 also differs from container 200 in that open end 312 of cap retainer 310 extends all the way to the bottom of wall 301 of container 300 (i.e. open end 312 opens onto base 305 of container 300 ).
- any of the cap retaining slots described herein may have one of their open ends extend to the base of its corresponding container.
- FIGS. 5A-5C depict a container 400 and its cap 403 according to another embodiment of the invention.
- container 400 and cap 403 are similar to the previously described containers and caps.
- Features of container 400 and cap 403 that are similar to features of container 100 and cap 103 are provided with similar reference numerals preceded by the digit “4” rather than “1”.
- cap retainer 410 comprises sidewalls 414 , 415 , which extend outwardly from container wall 401 (i.e. rather than being depressed into container wall 401 ). Sidewalls 414 , 415 form a slot 410 A having a base 416 that is level with container wall 401 rather than being depressed in container wall 401 .
- Sidewalls 414 , 415 extend substantially vertically along container wall 401 and are divided into upper portions 414 A, 415 A and lower portions 414 B, 415 B separated by gaps 426 , 427 .
- Sidewalls 414 , 415 are straight; however, those skilled in the art will appreciate that sidewalls 414 , 415 may be provided with shapes similar to those of sidewalls 114 , 115 , sidewalls 214 , 215 or sidewalls 314 , 315 having one or more sidewall point(s) and/or curved sidewall contact portion(s).
- Slot 410 A comprises upper open end 411 and lower open end 412 .
- slot 410 A may be provided with a transverse wall similar to transverse wall 113 , except that the transverse wall of slot 410 A would extend outwardly from container wall 401 .
- Cap 403 comprises a radially outwardly extending lip 420 similar to lip 320 of cap 303 ( FIGS. 4A-4D ) and sidewalls 414 , 415 of slot 410 A comprise corresponding grooves 421 similar to grooves 321 of sidewalls 314 , 315 of slot 310 A ( FIGS. 4A-4D ).
- lip 420 projects into grooves 421 , such that cap 403 is retained in cap retainer 410 .
- lip 420 and corresponding grooves 421 are optional and that cap 404 may be retained in cap retainer by frictional forces between sidewalls 414 , 415 and exterior surface 446 of side portion 446 A of cap 403 and/or pressure associated with elastic deformation of sidewalls 414 , 415 and/or cap 403 .
- the interior lower corners of sidewall portions 414 A, 415 A and the interior upper corners of sidewall portions 414 B, 415 B may act as contact surfaces which engage the exterior surface 446 of side portion 446 A to create friction and/or deformation.
- container 400 comprises a plurality of outwardly extending sidewalls to provide an optional plurality of cap retainers 410 , 430 , 440 , 450 , 460 .
- Cap retainers 430 , 440 , 450 , 460 are substantially similar to cap retainer 410 .
- container 400 may provide any practical number of cap retainers.
- FIGS. 6A-6B illustrate a container 500 and its cap 503 according to yet another embodiment of the invention.
- cap retainer 510 is located on base 505 of container 500 (rather than on container wall 501 )
- container 500 and cap 503 are similar in many other respects to the previously described containers and caps.
- Features of container 500 and cap 503 that are similar to features of container 100 and cap 103 are provided with similar reference numerals preceded by the digit “5” rather than “1”.
- Container 500 differs from the embodiment previously described in that cap retainer 510 comprises a generally circularly symmetric depressed region 510 A (rather than an elongated slot), which is located in base 505 of container 500 30 (rather than in container wall 501 ).
- Depressed region 510 A may be formed between a plurality of lobes 531 , which extend inwardly from a perimeter of base 505 .
- lobes 531 comprise bottom surfaces which, together with perimeter region 507 of base 505 , allow container 510 to stand upright on a flat surface.
- container 500 comprises three lobes 531 evenly spaced apart around the circularly symmetric shape of depressed region 510 A.
- the number of lobes 531 may vary, provided that there are one or more lobes 531 .
- lobes 531 are preferably evenly spaced about depressed region 510 A, this is not a requirement.
- Cap 503 is inserted directly inwardly into depressed region 510 A. A person simply pushes cap 503 into depressed region 510 A between lobes 531 . Alternatively, if cap 503 is located on a surface, a person may place container 500 over cap 503 , such that cap 503 is aligned with depressed region 510 A and the surface pushes cap 503 into depressed region 510 A.
- cap 503 When cap 503 is located in depressed region 510 A, cap 503 is in its storage configuration.
- the innermost surfaces 531 A of lobes 531 define the circularly symmetric shape of depressed region 510 A, which may correspond to the shape of cap 503 .
- the innermost surfaces 531 A of lobes 531 form contact surfaces, which engage outer surface 546 of side portion 546 A of cap 503 to retain cap 503 in its storage configuration.
- Cap 503 is retained in its storage configuration by frictional forces existing between contact surfaces 531 A and outer surface 546 of side portion 546 A of cap 503 .
- cap 503 may be maintained by the pressure associated with the elastic deformation of cap 503 and/or lobes 531 .
- the contact surfaces 531 A of cap retainer 510 may exert pressure on cap 503 , such that side portion 546 A of cap 503 is deformed as shown in FIG. 6B .
- the radius of side portion 546 A of cap 503 may contract in the region of contact surfaces 531 A and may expand in the regions of gaps 533 .
- cap 503 is inserted into cap retainer 510 with its cap rim 518 facing into depressed region 510 A and the exterior surface 545 of its top portion 545 A facing downwardly.
- This orientation of cap 503 in cap retainer 510 promotes hygiene by minimizing the exposure of the cap opening and the interior surfaces of cap 503 to contamination.
- a person may insert and remove cap 503 from cap retainer 510 without handling the interior surfaces of cap 503 .
- Another benefit with this orientation is that less force is required to deform cap 503 when inserting it into cap retainer 510 , as only the side portion 546 A of cap 503 needs to be deformed and the top portion 545 A of cap 503 need not be deformed.
- cap 503 only the region of side portion 546 A closest to cap rim 518 need be deformed to insert cap 503 into cap retainer 510 .
- the region of side portion 546 A closest to cap rim 518 is more easily deformable than the region of side portion closest to top portion 545 A. This orientation of cap 503 in cap retainer 510 also helps to prevent cap 503 from being permanently warped or broken because of excessive deformation.
- Cap retainer 510 also comprises a number of channels 533 located between lobes 531 .
- Channels 533 are preferably large enough such that a person may fit one or more fingers in channels 533 .
- Channels 533 permit a person to use their fingers to access cap 503 when it is stored in cap retainer 510 to facilitate removal of cap 503 therefrom. The person simply grasps side portion 546 A of cap 503 and pulls it directly outwardly from depressed region 510 A.
- lobes 531 each have a rounded surface 534 at the entrance to depressed region 510 A (see FIG. 6A ).
- Surface 534 helps to facilitate easy insertion of cap 503 into cap retainer 510 .
- the contact surfaces 531 A of lobes 531 are preferably provided with a tapering angle a (see FIG. 6A ), such that the dimension between contact surfaces 531 A narrows as contact surfaces 531 A extend deeper into recessed region 510 A. Tapering angle a is measured from a longitudinal axis of container 500 .
- tapering angle ⁇ causes the most deformation to occur in the region of side portion 546 A closest to cap rim 518 . As discussed above, it is easier to deform the region of side portion 546 A closest to cap rim 518 than the region of side portion 546 A closest to top portion 545 A. Deforming this portion of cap 503 also helps to prevent cap 503 from being permanently warped or broken because of excessive deformation.
- Tapering angle ⁇ 1 may be selected on the basis of the elastic deformation properties and friction properties of the materials used for cap 503 and cap retainer 510 , such that cap 503 is adequately secured in cap retainer 510 without permanently warping or breaking cap 503 . In some embodiments, tapering angle ⁇ is in the range of 0-5°.
- FIGS. 7A-7B depict a container 600 and its cap 603 according to yet another embodiment of the invention.
- Container 600 and cap 603 are similar in many respects to container 500 and cap 503 described above.
- Features of container 600 and cap 603 that are similar to features of container 500 and cap 503 are provided with similar reference numerals preceded by the digit “6” rather than “5”.
- cap retainer 610 comprises five lobes 631 instead of the three lobes 531 of container 500 of FIGS. 6A-613 .
- cap retainers 510 , 610 may generally comprise different numbers of lobes 531 , 631 . Although lobes 631 are preferably evenly spaced about depressed region 610 A, this is not a requirement.
- Cap 603 is inserted and removed from cap retainer 610 in a manner similar to insertion and removal of cap 503 from cap retainer 510 .
- Cap 603 is retained in cap retainer 610 by frictional forces between contact surfaces 631 A of lobes 631 and outer surface 646 of side portion 646 A of cap 603 and/or by pressure associated with the deformation of cap 603 and/or lobes 631 .
- the contact surfaces 631 A of cap retainer 610 may exert pressure on cap 603 , such that side portion 646 A of cap 503 is deformed as shown in FIG. 7B .
- the radius of side portion 646 A of cap 603 may contract in the region of contact surfaces 631 A and may expand in the regions of gaps 633 .
- FIGS. 8A-8B depict a container 700 and its cap 703 according to yet another embodiment of the invention.
- Container 700 and cap 703 are similar in many respects to container 600 and cap 603 described above.
- Features of container 700 and cap 703 that are similar to features of container 600 and cap 603 are provided with similar reference numerals preceded by the digit “7” rather than “6”.
- contact surfaces 731 A of lobes 731 of cap retainer 710 and/or outer surface 746 of side portion 746 A of cap 703 are coated with a layer 711 of elastomeric material.
- Layer 711 of elastomeric material may increase the 30 friction between contact surfaces 731 A and outer surface 746 of side portion 746 A of cap 703 .
- layer 711 of elastomeric material may itself deform when cap 703 is inserted between lobes 731 , such that the pressure created by the deformation of layer 711 may tend to secure cap 703 in cap retainer 710 .
- container 700 is particularly well suited for caps and/or containers fabricated from substantially non-deformable materials.
- caps and/or container contact surfaces which have been coated with elastomeric material.
- Containers according to any of the above described embodiments of the invention may be designed to hold pressurized or non-pressurized contents.
- Containers according to the various embodiments of the invention may be made of relatively rigid material(s) such as hard plastic, glass or metal, or semi-rigid, elastically deformable materials, such as elastically deformable plastic.
- Suitable elastically deformable plastics include polyethylene terephthalate (PET) and high-density polyethylene (HDPE) for example.
- PET polyethylene terephthalate
- HDPE high-density polyethylene
- Different parts of the containers may comprise different materials.
- any of the containers in accordance with the invention may comprise container walls made of a rigid metal, while the cap retainer may be made of a different rigid or semi-rigid material or may be coated with a layer of elastomeric material.
- the contact surfaces of any of the cap retainers described above and/or the corresponding surfaces of the caps may be provided with friction enhancing features, such as ridges, bumps or grooves which enhance the frictional forces therebetween.
- friction enhancing features may be integrally formed with the contact surfaces of the cap retainers and/or the corresponding surfaces of the caps or may be subsequently added to the contact surfaces of the cap retainers and/or the corresponding surfaces of the caps.
- the friction enhancing features may be formed from an elastomeric material.
Abstract
A container having a container opening and a reusable cap for sealing the container opening has a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening. The cap retainer may be provided by a slot defined by a pair of sidewalls. The slot has at least one open end. Each of the sidewalls provides a contact surface which engages the cap for securing the cap in its storage configuration within the slot.
Description
- This invention claims the benefit of the priority of Canadian patent application No. 2,442,519 (filed 23 Sep. 2003) and Canadian patent application No. 2,450,477 (filed 18 Nov. 2003).
- This invention relates to containers having reusable caps. Particular embodiments of the invention provide containers having cap retainers on their walls and/or bases. After the containers are opened, the caps may be stored in the cap retainers and later reused to seal the containers.
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FIG. 1A depicts a priorart beverage container 10.Container 10 comprises acontainer wall 12 and abase 13.Container 10 also comprises arim 14, which defines a container opening 16.Opening 16 may be used to insert contents into and dispense contents fromcontainer 10. Typically,rim 14 and opening 16 are circularly shaped. Typically,container 10 will comprise acap 18 as shown in more detail inFIGS. 1B and 1C . -
FIGS. 1B and 1C depict areusable cap 18 for sealing and resealingcontainer 10.Cap 18 comprises atop portion 20 having anexterior surface 20A and aninterior surface 20B and aside portion 22 having anexterior surface 22A and aninterior surface 22B.Side portion 22 ofcap 18 comprises acap rim 23, which defines acap opening 25. In theparticular container 10 ofFIGS. 1A-1C ,container 10 is sealed by extendingrim 14 ofcontainer 10 into cap opening 25 and rotatingcontainer 10 andcap 18 relative to one another, such that one ormore threads 24 located onrim 14 ofcontainer 10 engage corresponding thread(s) 26 oncap 18. Whencap 18 is coupled tocontainer 10 in this manner, the contents ofcontainer 10 are prevented from escaping. - When a cap is uncoupled from its container, the cap is separated from the container and may become lost, dirty or otherwise contaminated. In addition, it is often inconvenient to have to hold the cap in one hand while using the other hand to hold the container and dispense the container's contents. For example, in the case of a beverage container, after removing the cap from the container it is necessary to use at least one hand to drink from the container opening. If a person needs to use their other hand for another activity (e.g. riding a bicycle, driving a car, holding onto a handbag or the like), then the person typically must put the cap down as both their hands are in use. Often, putting the cap down is done absent mindedly, which may cause the cap to become lost. Sometimes, there is no hygienic place to put the cap down and the cap can become dirty or otherwise contaminated. In addition, some of the container contents may be present on the cap and may dirt, stain or age the material onto which the cap is placed.
- Attempts to solve these problems have been devised, which include attaching the cap permanently to the container by a wire, chain or plastic tether. However, attaching the cap to the container in this manner has a number of drawbacks. When the cap is removed from the container, the cap dangles from its tether. Contents from the container which are present on the dangling cap may drip from the dangling cap. The dangling cap may also become an inconvenient obstacle for inserting contents into and withdrawing contents from the container. Moreover, the dangling cap is completely exposed to the outside environment and may become dirty or otherwise contaminated.
- U.S. Pat. No. 5,211,299 (Manfredonia) discloses a baby bottle formed with a truncated conical cap which includes an annular groover adjacent to its top wall. A bottom of the baby bottle incorporates a truncated conical cavity directed coaxially into the bottle for receiving the cap. The walls of the cavity are formed with a plurality of projections for projecting into the annular groove in the cap. The Manfredonia bottle is unhygienic because when the cap is received in the stored position, its rim and its interior surfaces are still exposed to contamination. In addition, a person must grasp the interior surfaces of the cap to insert and/or remove the cap from the cavity. Another drawback with the Mandfredonia technique involves the difficulty of fabricating the bottle and cap using conventional molding techniques.
- U.S. Pat. Nos. 5,897,010 and 6,131,755 (Soyka Jr. et al.) disclose a number of bottle assemblies having corresponding cap retention portions which are adapted to allow removable storage of their bottle caps. The Soyka Jr. et al. embodiments where the rim of the cap fits over a protruding cap retention portion are unhygienic because the surfaces of the protruding cap retention portion may become dirty during handling of the bottle. It is also easy for the cap to be accidentally knocked off of the protruding cap retention portion. The Soyka Jr. et al. embodiments where the cap fits into a depressed cap retention portion are disadvantageous, because it is difficult to insert the cap into and remove the cap from the cap retention portion that completely encircles the cap. These difficulties are exacerbated in the Soyka Jr. et al. embodiment having inwardly extending shoulders at the entrance to the cap retention portion. For the same reasons as discussed above with respect to Manfredonia, it is unhygienic to insert the cap into the depressed cap retention portion with the top portion of the cap being deepest in the depression as described in Soyka Jr. et al. In addition, the shoulders described by Soyka Jr. et al. may make it difficult to mold the Soyka Jr. depressed cap retention portion and may also make it difficult to deform the cap in a manner which facilitates easy insertion and removal thereof.
- There is a general desire to provide containers having cap retainers, so that their caps may be stored and later reused in a manner which overcomes or ameliorates some of the drawbacks associated with the prior art.
- One particular aspect of the invention provides a container having a container opening and a reusable cap for sealing the container opening. The container comprises a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening. The cap retainer comprises a slot defined by a pair of sidewalls. The slot has at least one open end. Each of the sidewalls provides a contact surface which engages the cap for securing the cap in its storage configuration within the slot. The slot may be formed in a side wall or in the base of a container.
- The cap may be slidable in a direction of a longitudinal dimension of the slot from the at least one open end of the slot to its storage configuration. The contact surfaces of the sidewalls may engage an exterior surface of a side portion of the cap. The cap may be secured in its storage configuration by frictional forces between the contact surfaces and the exterior surface of the side portion of the cap. The cap may be additionally or alternatively secured in its storage configuration by pressure associated with elastic deformation of the cap or the sidewalls.
- Each of the sidewalls may comprise at least one sidewall point, where the sidewall extends transversely into the slot. The transverse dimension of the slot is narrower in a region of the at least one sidewall point when compared to the transverse dimension of the slot in a region of the contact surfaces. For each sidewall, the at least one sidewall point may be located between the at least one open end of the slot and the contact surface of the sidewall. The at least one sidewall point for a first of the sidewalls and the at least one sidewall point for a second of the sidewalls may be located directly, transversely across the slot from one another. The sidewalls may each comprise a pair of sidewall points and the contact surface of each sidewall may be located between its pair of sidewall points. The sidewalls may each comprise a plurality of sidewall points and a plurality of contact surfaces and each contact surface may be located between a pair of sidewall points.
- The contact surfaces may be curved to correspond to a shape of the side portion of the cap. The curved contact surfaces may exert pressure on the cap such that the side portion of the cap is deformed to conform to the shape of the curved contact surfaces.
- The cap retainer may comprise a wall which extends transversely between the sidewalls at one end of the slot. The transversely extending wall may comprise an additional contact surface which engages the cap for securing the cap in its storage configuration. The contact surfaces of the sidewalls and the contact surface of the transversely extending wall may be curved to correspond to a shape of the side portion of the cap.
- The sidewalls may comprise an outwardly opening tapering angle in a range of 0-5°.
- The cap may comprise a lip which projects radially outwardly from its side portion and each of the sidewalls may comprise a corresponding groove for receiving the cap when the cap is in its storage configuration.
- The sidewalls may extend inwardly from a container wall and a base of the slot may be depressed relative to the container wall. Alternatively, the sidewalls may extend outwardly from a container wall and a base of the slot may be level with the container wall.
- At least one of the contact surfaces of the sidewalls and the exterior surface of the side portion of the cap may be coated with a layer of an elastomeric material. The cap may be secured in its storage configuration by frictional forces between the layer of elastomeric material and the contact surfaces or between the layer of elastomeric material and the exterior surface of the side portion of the cap. The cap may be secured in its storage configuration by pressure associated with elastic deformation of the elastomeric material.
- Another aspect of the invention provides a container having a container opening and a reusable cap for sealing the container opening. The container comprises a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening. The cap retainer comprises a circularly shaped depressed region for receiving the cap. The depressed region is located between a plurality of lobes which are angularly spaced apart around a circumference thereof. Each of the lobes comprises a contact surface which engages the cap for securing the cap in its storage configuration. The container comprises channels between each of the lobes for permitting finger access to remove the cap from its storage configuration. Each of the contact surfaces may comprise an outwardly opening tapering angle in a range of 0-5°.
- Another aspect of the invention provides a container having a container opening and a reusable cap for sealing the container opening. The container comprises a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening. The cap retainer comprises a circularly symmetric depressed region for receiving the cap. A side portion of the cap comprises one or more radially extending projections, each projection spanning an arcuate segment of a circumference of the side portion of the cap. Each of the radially extending projections engages a corresponding contact surface of the circularly symmetric depressed region for securing the cap in its storage configuration.
- Another aspect of the invention provides a container comprising an opening, a reusable cap engageable with the opening and a cap retainer. The cap retainer comprises a pair of opposed sidewalls defining a slot having at least one open end. The slot comprises a cap receiving area and a narrowed throat located between the cap receiving area and the at least one open end. The narrowed throat has a transverse dimension smaller than a transverse dimension of the cap and smaller than a transverse dimension of the cap receiving area. Each of the sidewalls also comprises a contact surface which engages the cap when the cap is located in the cap receiving area for securing the cap therein.
- Further features and applications of specific embodiments of the invention are described below.
- In drawings which depict non-limiting embodiments of the invention:
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FIG. 1A is a side elevation view of a prior art beverage container; -
FIGS. 1B and 1C are respectively isometric and cross-sectional views of a prior art cap for the container ofFIG. 1A ; -
FIGS. 2A-2C are respectively a side elevation view, a partially sectioned side view (along axis A-A) and a cross-sectional view (along axis B-B) of a container according to an embodiment of the invention with its cap stored in its cap retainer; -
FIG. 2D is a side elevation view of the cap retainer of the container ofFIGS. 2A-2C ; -
FIGS. 3A-3C are respectively a side elevation view, a partially sectioned side view (along axis C-C) and a cross-sectional view (along axis D-D) of a container according to another particular embodiment of the invention with its cap stored in its cap retainer; -
FIG. 3D is a side elevation view of the cap retainer of the container ofFIGS. 3A-3C ; -
FIGS. 4A-4C are respectively a side elevation view, a partially sectioned side view (along axis E-E) and a cross-sectional view (along axis F-F) of a container according to another embodiment of the invention with its cap stored in its cap retainer; -
FIG. 4D is a side elevation view of the cap retainer of the container ofFIGS. 4A-4C ; -
FIGS. 5A-5C are respectively a side elevation view, a partially sectioned side view (along axis G-G) and a cross-sectional view (along axis H-H) of a container according to another embodiment of the invention with its cap stored in its cap retainer; -
FIGS. 6A-6B are respectively a partially sectioned side view (along axis I-I) and a cross-sectional view (along axis J-J) of a container according to another embodiment of the invention with its cap stored in its cap retainer; -
FIGS. 7A-7B are respectively a partially sectioned side view (along axis K-K) and a cross-sectional view (along axis L-L) of a container according to another embodiment of the invention with its cap stored in its cap retainer; -
FIGS. 8A-8B are respectively a partially sectioned side view (along axis M-M) and a bottom view of container according to another embodiment of the present invention with its cap stored in its cap retainer; -
FIGS. 9A and 9B are respectively a partially sectioned side view (along line N-N) and a cross-sectional view (along line O-O) of a container according to another embodiment of the present invention with its cap stored in its cap retainer; -
FIGS. 9C and 9D are respectively a cross-sectional view (along line P-P) and a bottom view of the cap for the container ofFIGS. 9A and 9B ; -
FIGS. 10A and 10B are respectively a partially sectioned side view (along line Q-Q) and a bottom view of a container according to another embodiment of the present invention with its cap stored in its cap retainer; and -
FIGS. 11A and 11B are respectively a partially sectioned side view (along line R-R) and a bottom view of a container according to another embodiment of the present invention with its cap stored in its cap retainer. - Throughout the following description, specific details are set forth in order to provide a more thorough understanding of the invention. However, the invention may be practiced without these particulars. In other instances, well known elements have not been shown or described in detail to avoid unnecessarily obscuring the invention. Accordingly, the specification and drawings are to be regarded in an illustrative, rather than a restrictive, sense.
- Some embodiments of the invention provide containers having removable caps and cap retainers. The caps may be removed from the container openings, stored in the cap retainers and later reused to seal the containers. Some embodiments of the invention provide containers for storing beverages or other edible fluids, commonly referred to as “bottles”. In preferred embodiments of the invention, the cap retainers allow the caps to be stored in a hygienic manner that minimizes the opportunities of contamination of the caps before they are used to reseal the containers.
- A cap retainer comprises one or more contact surfaces which contact corresponding surface(s) of the cap to secure the cap in the cap retainer. The contact surfaces may be part of a recessed region formed in the container wall or the container base. Alternatively, the contact surfaces may project outwardly from the container walls and/or the container base. The cap may be secured in the cap retainer by frictional forces acting between the contact surface(s) of the cap retainer and the corresponding surfaces of the cap. In some embodiments, the contact surface(s) of the cap retainer and/or the corresponding surface(s) of the cap are made of elastically deformable material and/or are covered in a layer of elastomeric material. In such embodiments, the cap may be additionally secured in the cap retainer by pressure exerted between the contact surface(s) and the cap as a result of elastic deformation of the cap, the cap retainer and/or the elastomeric material.
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FIGS. 2A-2D depict acontainer 100 having acap 103 and acap retainer 110 according to one embodiment of the invention.Container 100 is a bottle for holding a beverage.Container 100 comprises acontainer wall 101, abase 105 and a generallycircular rim 102 which definescontainer opening 102A.Cap 103 may be substantially similar toprior art cap 18 described above.Cap 103 may be coupled torim 102 to sealopening 102A. In the illustrated embodiment,cap 103 is threadably coupleable torim 102. InFIGS. 2A-2C ,cap 103 is shown in its storage configuration, whereincap 103 is retained incap retainer 110. -
Cap retainer 110 comprises anelongated slot 110A formed between a pair ofsidewalls slot 110A comprises awall 113 which extends transversely betweensidewalls opposing end 111,slot 110A is open. In the illustrated embodiment, as seen best inFIGS. 2B and 2C , slot 110A and itsbase 116 are recessed intocontainer wall 101. In alternative embodiments, sidewalls 114, 115 andlower wall 113 may extend outwardly fromcontainer wall 101, such thatbase 116 ofslot 110A is level withcontainer wall 101. - In the illustrated embodiment, sidewalls 114, 115 and
transverse wall 113 have a shape shown best inFIG. 2D . At theopen end 111 ofslot 110A, the transverse dimension ofslot 110A is relatively wide (i.e. sidewalls 114, 115 are relatively widely spaced apart from one another). Assidewall portions open end 111 and towardtransverse wall 113, the transverse dimension ofslot 110A narrows. In the illustrated embodiment,sidewall portions Sidewall portions slot 110A is narrowest at sidewall points 114B, 115B. In some embodiments, sidewall points 114B, 115B may extend inwardly by a distance in a range of 0-5% of the diameter ofcap 103. - As
sidewall portions transverse wall 113, the transverse dimension ofslot 110A increases again.Sidewall portions transverse wall 113 are shaped to provide a curvedcap retaining bay 117. The contact surfaces ofcap retaining bay 117 may be shaped correspond generally to exterior surface 146 of side portion 146A ofcap 103. In some embodiments, the contact surfaces ofcap retaining bay 117 may exert pressure oncap 103, such that side portion 146A ofcap 103 is deformed to conform to the shape of the curved surfaces ofcap retaining bay 117. - Putting
cap 103 into its storage configuration incap retainer 110 first involves placingcap 103 intoslot 110A at its openupper end 111. Preferably, a portion ofcap 103 abuts againstbase 116 ofslot 110A.Cap 103 may then be slid along the longitudinal dimension ofslot 110A until it passes sidewall points 114B, 115B (i.e. the narrowest portion ofslot 110A) and fits into retainingbay 117. Slidingcap 103 past sidewall points 114B, 115B preferably involves some deformation ofcap 103 and/orsidewalls cap 103 is slid into retainingbay 117, theperson placing cap 103 intocap retainer 110 hears and/or feels a “click” ascap 103 and/orsidewalls - When
cap 103 is received in retainingbay 117, it is in its storage configuration.Surfaces bay 117 represent the contact surfaces ofcap retainer 110, which contact the exterior surface 146 of side portion 146A ofcap 103.Cap 103 is secured in place in its storage configuration by frictional forces acting between contact surfaces 114C, 115C, 113A ofcap retainer 110 and the exterior surface 146 of side portion 146A ofcap 103. Preferably, whencap 103 is in its storage configuration, there is still some deformation of side portion 146A ofcap 103 and/or contact surfaces 114C, 115C, 113A ofcap retainer 110. Such elastic deformation causes pressure to be exerted between contact surfaces 114C, 115C, 113A ofcap retainer 110 and the exterior surface 146 of side portion 146A ofcap 103. This pressure tends to holdcap 103 in place incap retainer 110. - Preferably, as shown in
FIGS. 2A-2C ,cap 103 is inserted and stored intocap retainer 110 in an orientation wherein cap rim 118 (FIGS. 2B, 2C ) abuts againstbase 116 ofslot 110A and theexterior surface 145 oftop portion 145A ofcap 103 is facing outwardly. This orientation ofcap 103 incap retainer 110 promotes hygiene by minimizing the exposure of the cap opening and the interior surfaces ofcap 103 to contamination. In addition, a person may insert and removecap 103 fromcap retainer 110 without handling the interior surfaces ofcap 103. Another benefit with this orientation is that less force is required to deformcap 103 when inserting it intocap retainer 110, as only the side portion 146A ofcap 103 needs to be deformed and thetop portion 145A ofcap 103 need not be deformed. In some embodiments, only the region of side portion 146A closest to caprim 118 need be deformed to insertcap 103 intocap retainer 110. Those skilled in the art will appreciate that the region of side portion 146A closest to caprim 118 is more easily deformable than the region of side portion 146A closest totop portion 145A. This orientation ofcap 103 incap retainer 110 also helps to preventcap 103 from being permanently warped or broken because of excessive deformation. - Removal of
cap 103 fromcap retainer 110 may be accomplished in a manner opposite to that of insertion, whereincap 103 is forced towardopen end 111 ofslot 110A and is subsequently removed fromslot 110A. Alternatively,cap 103 may be pulled directly outwardly fromslot 110A without having to slidecap 103 towardopen end 111. -
Sidewalls transverse wall 113 may optionally be provided with a non-zero tapering angle P (FIG. 2C ), such that the transverse dimension ofslot 110A gets wider assidewalls transverse wall 113 extend away frombase 116 ofslot 110A. As shown inFIG. 2C , tapering angle β is measured from a plane orthogonal to base 116 ofslot 110A. Whencap 103 is inserted intoslot 110A in the orientation discussed above, tapering angle β causes the most deformation to occur in the region of side portion 146A closest to caprim 118. As discussed above, it is easier to deform the region of side portion 146A closest to caprim 118 than the region of side portion 146A closest totop portion 145A. Deforming this portion ofcap 103 also helps to preventcap 103 from being permanently warped or broken because of excessive deformation. Tapering angle β may be selected on the basis of the elastic deformation properties and friction properties of the materials used forcap 103 andcap retainer 110, such thatcap 103 is adequately secured incap retainer 110 without permanently warping or breakingcap 103. In some embodiments, tapering angle β is in the range of 0-5°. Tapering angle β may be significantly increased by coating the exterior surface 146 of side portion 146A ofcap 103 and/or contact surfaces 114C, 115C, 113A with elastomeric material that increases the friction therebetween. This provides additional freedom for design and fabrication ofcontainer 100 andcap 103. -
FIGS. 3A-3D show acontainer 200 andcap 203 according to another embodiment of the invention. In many respects,container 200 andcap 203 are similar tocontainer 100 and cap 103 ofFIGS. 2A-2D . Features ofcontainer 200 andcap 203 that are similar to features ofcontainer 100 andcap 103 are provided with similar reference numerals preceded by the digit “2” rather than “1”. - One difference between
container 200 andcontainer 100 is thatcap retainer 210 ofcontainer 200 comprises aslot 210A having a pair ofopen ends 211, 212 (i.e.transverse wall 113 is not present incap retainer 210 of container 200).Sidewalls cap retainer 210 also have different shapes than sidewalls 114, 115 ofcap retainer 110. As shown best inFIG. 3D ,sidewall portions end 211 are shaped such that the transverse dimension ofslot 210A becomes narrower assidewall portions open end 211. Similarly,sidewall portions end 212 are shaped such that the transverse dimension ofslot 210A becomes narrower assidewall portions open end 212. In the illustrated embodiment,sidewall portions sidewall portions -
Slot 210A is narrowest at sidewall points 214B, 215B and at sidewall points 214D, 215D. In some embodiments, sidewall points 214B, 215B, 214D, 215D may extend inwardly by a distance in a range of 0-5% of the diameter ofcap 203. Assidewalls sidewall points sidewall points sidewall portions slot 210A increases again.Sidewall portions cap 203. In some embodiments,sidewall portions cap 203, such that side portion 246A ofcap 203 is deformed to conform to the shape of the curved surfaces ofsidewall portions -
Cap 203 may be inserted and stored incap retainer 210 from eitheropen end slot 210A. When insertingcap 203 intoslot 210A, a portion ofcap 203 preferably abuts againstbase 216 ofslot 210A.Cap 203 is then slid along the longitudinal dimension ofslot 210A until it passes sidewall points 214B, 215B (when inserted from open end 211) or until it passes sidewall points 214D, 215D (when inserted from open end 212).Cap 203 is in its storage configuration when it reachessidewall portions cap 203 past sidewall points 214B, 215B or sidewall points 214D, 215D preferably involves some deformation ofcap 203 and/orsidewalls cap 203 reaches sidewallportions person placing cap 203 intocap retainer 210 hears and/or feels a “click” ascap 203 and/orsidewalls -
Surfaces cap retainer 210, which contact the exterior surface 246 of side portion 246A ofcap 203. As withcap retainer 110,cap 203 is secured in place in the storage configuration by frictional forces acting between contact surfaces 214C, 215C ofsidewalls sidewalls cap 203. For the reasons discussed above in relation tocontainer 100 andcap 103, it is preferable thatcap 203 be inserted intocap retainer 210 in such a manner that thecap rim 218 facesbase 216 ofslot 210A and exterior surface 245 oftop portion 245A faces outwardly. - Removal of
cap 203 fromcap retainer 210 may be accomplished in a manner opposite that of insertion, whereincap 203 is forced toward eitheropen end slot 210A and is subsequently removed fromslot 210A. Alternatively,cap 203 may be pulled directly outwardly fromslot 210A without having to slidecap 203 towardopen end 211 oropen end 212. -
FIGS. 4A-4D show acontainer 300 and acap 303 according to another embodiment of the invention. In many respects,container 300 andcap 303 are similar tocontainer 200 and cap 203 ofFIGS. 3A-3D . Features ofcontainer 300 andcap 303 that are similar to features ofcontainer 200 andcap 203 are provided with similar reference numerals preceded by the digit “3” rather than “2”. - One difference between
container 300 andcontainer 200 is the shape ofsidewalls cap retainer 310 which comprise narrowingportions portions cap 303. Accordingly,cap retainer 310 provides a plurality of potential storage configurations forcap 303. Those skilled in the art will also appreciate thatcap retainer 310 is shown with three pairs of contact surfaces 314C, 315C; 314E, 315E; and 314G, 315G, but thatcap retainer 310 may have larger number or smaller number of pairs of contact surfaces and a correspondingly larger or smaller number of storage configurations forcap 303. Providing multiple storage configurations is advantageous because, if a user accidentally slidescap 303 too far intoslot 310A and cap 303 slides past a first pair of contact surfaces (e.g. contact surfaces 314C, 315C), then cap 303 may still be retained between another pair of contact surfaces (e.g. contact surfaces 314E, 315E). - Another difference between
container 300 andcap 303 in comparison to the previously described embodiments is thatcap 303 comprises anoptional lip 320 which projects radially outwardly from side portion 346A ofcap 303 nearcap rim 318.Sidewalls corresponding grooves 321 for receivinglip 320 whencap 303 is inserted intoslot 310A.Lip 320 andcorresponding grooves 321 help to retaincap 303 incap retainer 310. Whencap 303 is inserted intoslot 310A,lip 320 projects intogrooves 321 such that it is more difficult to dislodgecap 303 directly outward fromslot 310A. In addition,lip 320 ofcap 303 andgrooves 321 ofcontainer 300 may allow forslot 310A to have a relatively shallow shape. - Another difference between
container 300 andcontainer 200 is thatcap retainer 310 ofcontainer 300 has a base 316 which is substantially planar fromopen end 311 through to openend 312. In contrast, as shown best inFIG. 3B ,cap retainer 210 comprises acurved base portion 219 nearopen end 212.Curved base portion 219 may make it easier to guidecap 203 intocap retainer 210. Those skilled in the art will appreciate that any of the slotted embodiments described herein may comprise curved base portions at one or both of their open ends.Container 300 also differs fromcontainer 200 in thatopen end 312 ofcap retainer 310 extends all the way to the bottom ofwall 301 of container 300 (i.e.open end 312 opens ontobase 305 of container 300). Those skilled in the art will appreciate that any of the cap retaining slots described herein may have one of their open ends extend to the base of its corresponding container. -
FIGS. 5A-5C depict acontainer 400 and itscap 403 according to another embodiment of the invention. In many respects,container 400 andcap 403 are similar to the previously described containers and caps. Features ofcontainer 400 andcap 403 that are similar to features ofcontainer 100 andcap 103 are provided with similar reference numerals preceded by the digit “4” rather than “1”. - One difference between
container 400 and the containers of the previously described embodiments is that cap retainer 410 comprisessidewalls Sidewalls slot 410A having a base 416 that is level withcontainer wall 401 rather than being depressed incontainer wall 401. -
Sidewalls container wall 401 and are divided into upper portions 414A, 415A andlower portions gaps Sidewalls sidewalls sidewalls sidewalls Slot 410A comprises upperopen end 411 and loweropen end 412. Those skilled in the art will appreciate thatslot 410A may be provided with a transverse wall similar totransverse wall 113, except that the transverse wall ofslot 410A would extend outwardly fromcontainer wall 401. -
Cap 403 comprises a radially outwardly extendinglip 420 similar tolip 320 of cap 303 (FIGS. 4A-4D ) andsidewalls slot 410A comprise correspondinggrooves 421 similar togrooves 321 ofsidewalls slot 310A (FIGS. 4A-4D ). Whencap 403 is inserted intoslot 410A,lip 420 projects intogrooves 421, such thatcap 403 is retained in cap retainer 410. Those skilled in the art will appreciate thatlip 420 andcorresponding grooves 421 are optional and that cap 404 may be retained in cap retainer by frictional forces betweensidewalls cap 403 and/or pressure associated with elastic deformation ofsidewalls cap 403. For example, the interior lower corners of sidewall portions 414A, 415A and the interior upper corners ofsidewall portions - As shown best in
FIG. 5C ,container 400 comprises a plurality of outwardly extending sidewalls to provide an optional plurality ofcap retainers Cap retainers container 400 may provide any practical number of cap retainers. -
FIGS. 6A-6B illustrate acontainer 500 and itscap 503 according to yet another embodiment of the invention. Althoughcap retainer 510 is located on base 505 of container 500 (rather than on container wall 501),container 500 andcap 503 are similar in many other respects to the previously described containers and caps. Features ofcontainer 500 andcap 503 that are similar to features ofcontainer 100 andcap 103 are provided with similar reference numerals preceded by the digit “5” rather than “1”. -
Container 500 differs from the embodiment previously described in thatcap retainer 510 comprises a generally circularly symmetricdepressed region 510A (rather than an elongated slot), which is located in base 505 ofcontainer 500 30 (rather than in container wall 501).Depressed region 510A may be formed between a plurality oflobes 531, which extend inwardly from a perimeter of base 505. In the illustrated embodiment,lobes 531 comprise bottom surfaces which, together with perimeter region 507 of base 505, allowcontainer 510 to stand upright on a flat surface. In the illustrated embodiment,container 500 comprises threelobes 531 evenly spaced apart around the circularly symmetric shape ofdepressed region 510A. In general, the number oflobes 531 may vary, provided that there are one ormore lobes 531. In addition, althoughlobes 531 are preferably evenly spaced aboutdepressed region 510A, this is not a requirement. -
Cap 503 is inserted directly inwardly intodepressed region 510A. A person simply pushescap 503 intodepressed region 510A betweenlobes 531. Alternatively, ifcap 503 is located on a surface, a person may placecontainer 500 overcap 503, such thatcap 503 is aligned withdepressed region 510A and the surface pushescap 503 intodepressed region 510A. - When
cap 503 is located indepressed region 510A,cap 503 is in its storage configuration. Theinnermost surfaces 531A oflobes 531 define the circularly symmetric shape ofdepressed region 510A, which may correspond to the shape ofcap 503. Theinnermost surfaces 531A oflobes 531 form contact surfaces, which engage outer surface 546 of side portion 546A ofcap 503 to retaincap 503 in its storage configuration.Cap 503 is retained in its storage configuration by frictional forces existing betweencontact surfaces 531A and outer surface 546 of side portion 546A ofcap 503. In addition,cap 503 may be maintained by the pressure associated with the elastic deformation ofcap 503 and/orlobes 531. In such embodiments, the contact surfaces 531A ofcap retainer 510 may exert pressure oncap 503, such that side portion 546A ofcap 503 is deformed as shown inFIG. 6B . As shown inFIG. 6B , the radius of side portion 546A ofcap 503 may contract in the region ofcontact surfaces 531A and may expand in the regions ofgaps 533. - Preferably, as shown in
FIGS. 6A-6B ,cap 503 is inserted intocap retainer 510 with itscap rim 518 facing intodepressed region 510A and the exterior surface 545 of its top portion 545A facing downwardly. This orientation ofcap 503 incap retainer 510 promotes hygiene by minimizing the exposure of the cap opening and the interior surfaces ofcap 503 to contamination. In addition, a person may insert and removecap 503 fromcap retainer 510 without handling the interior surfaces ofcap 503. Another benefit with this orientation is that less force is required to deformcap 503 when inserting it intocap retainer 510, as only the side portion 546A ofcap 503 needs to be deformed and the top portion 545A ofcap 503 need not be deformed. In some embodiments, only the region of side portion 546A closest to caprim 518 need be deformed to insertcap 503 intocap retainer 510. Those skilled in the art will appreciate that the region of side portion 546A closest to caprim 518 is more easily deformable than the region of side portion closest to top portion 545A. This orientation ofcap 503 incap retainer 510 also helps to preventcap 503 from being permanently warped or broken because of excessive deformation. -
Cap retainer 510 also comprises a number ofchannels 533 located betweenlobes 531.Channels 533 are preferably large enough such that a person may fit one or more fingers inchannels 533.Channels 533 permit a person to use their fingers to accesscap 503 when it is stored incap retainer 510 to facilitate removal ofcap 503 therefrom. The person simply grasps side portion 546A ofcap 503 and pulls it directly outwardly fromdepressed region 510A. - In the illustrated embodiment,
lobes 531 each have a roundedsurface 534 at the entrance todepressed region 510A (seeFIG. 6A ).Surface 534 helps to facilitate easy insertion ofcap 503 intocap retainer 510. In addition, the contact surfaces 531A oflobes 531 are preferably provided with a tapering angle a (seeFIG. 6A ), such that the dimension betweencontact surfaces 531A narrows ascontact surfaces 531A extend deeper into recessedregion 510A. Tapering angle a is measured from a longitudinal axis ofcontainer 500. Whencap 503 is inserted intodepressed region 510A in the orientation discussed above, tapering angle α causes the most deformation to occur in the region of side portion 546A closest to caprim 518. As discussed above, it is easier to deform the region of side portion 546A closest to caprim 518 than the region of side portion 546A closest to top portion 545A. Deforming this portion ofcap 503 also helps to preventcap 503 from being permanently warped or broken because of excessive deformation. Tapering angle α1 may be selected on the basis of the elastic deformation properties and friction properties of the materials used forcap 503 andcap retainer 510, such thatcap 503 is adequately secured incap retainer 510 without permanently warping or breakingcap 503. In some embodiments, tapering angle α is in the range of 0-5°. -
FIGS. 7A-7B depict acontainer 600 and itscap 603 according to yet another embodiment of the invention.Container 600 andcap 603 are similar in many respects tocontainer 500 andcap 503 described above. Features ofcontainer 600 andcap 603 that are similar to features ofcontainer 500 andcap 503 are provided with similar reference numerals preceded by the digit “6” rather than “5”. - One difference between
container 600 andcontainer 500 is thatbase 605 ofcontainer 600 does not have a perimeter region 507 and thatlobes 631 comprise flat bottom surfaces 609 for supportingcontainer 600 in an upright position when it is resting on a surface. In addition, in the illustrated embodiment ofFIGS. 7A-7B ,cap retainer 610 comprises fivelobes 631 instead of the threelobes 531 ofcontainer 500 ofFIGS. 6A-613 . Those skilled in the art will appreciate, however, thatcap retainers lobes lobes 631 are preferably evenly spaced aboutdepressed region 610A, this is not a requirement.Cap 603 is inserted and removed fromcap retainer 610 in a manner similar to insertion and removal ofcap 503 fromcap retainer 510.Cap 603 is retained incap retainer 610 by frictional forces betweencontact surfaces 631A oflobes 631 and outer surface 646 of side portion 646A ofcap 603 and/or by pressure associated with the deformation ofcap 603 and/orlobes 631. In such embodiments, the contact surfaces 631A ofcap retainer 610 may exert pressure oncap 603, such that side portion 646A ofcap 503 is deformed as shown inFIG. 7B . As shown inFIG. 7B , the radius of side portion 646A ofcap 603 may contract in the region ofcontact surfaces 631A and may expand in the regions ofgaps 633. -
FIGS. 8A-8B depict acontainer 700 and itscap 703 according to yet another embodiment of the invention.Container 700 andcap 703 are similar in many respects tocontainer 600 andcap 603 described above. Features ofcontainer 700 andcap 703 that are similar to features ofcontainer 600 andcap 603 are provided with similar reference numerals preceded by the digit “7” rather than “6”. - One difference between
container 700 ofFIGS. 8A-8B andcontainer 600 ofFIGS. 7A-7B is that contact surfaces 731A oflobes 731 of cap retainer 710 and/or outer surface 746 of side portion 746A ofcap 703 are coated with alayer 711 of elastomeric material.Layer 711 of elastomeric material may increase the 30 friction betweencontact surfaces 731A and outer surface 746 of side portion 746A ofcap 703. In addition,layer 711 of elastomeric material may itself deform whencap 703 is inserted betweenlobes 731, such that the pressure created by the deformation oflayer 711 may tend to securecap 703 in cap retainer 710. For this reason,container 700 is particularly well suited for caps and/or containers fabricated from substantially non-deformable materials. Those skilled in the art will appreciate that any of the embodiments described herein may make use of caps and/or container contact surfaces which have been coated with elastomeric material. - Containers according to any of the above described embodiments of the invention may be designed to hold pressurized or non-pressurized contents. Containers according to the various embodiments of the invention, may be made of relatively rigid material(s) such as hard plastic, glass or metal, or semi-rigid, elastically deformable materials, such as elastically deformable plastic. Suitable elastically deformable plastics include polyethylene terephthalate (PET) and high-density polyethylene (HDPE) for example. Different parts of the containers may comprise different materials. For example, any of the containers in accordance with the invention may comprise container walls made of a rigid metal, while the cap retainer may be made of a different rigid or semi-rigid material or may be coated with a layer of elastomeric material.
- As will be apparent to those skilled in the art in the light of the foregoing disclosure, many alterations and modifications are possible in the practice of this invention without departing from the spirit or scope thereof. For example:
-
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FIGS. 9A-9D show acontainer 800 and acap 803 according to an alternative embodiment of the invention.Side portion 805 ofcap 803 comprises one or more radially extendingprojections 807, each of which spans an arcuate segment of the circumference ofside portion 805. In the illustrated embodiment, as shown best inFIG. 9D ,cap 803 comprises three circumferentially spaced apart, radially extendingprojections 807.Projections 807 may be integrally formed withcap 803 or may be subsequently fused or otherwise added to cap 803. In some embodiments,projections 807 comprise elastomeric material.Container 800 comprises acap retainer 810 which completely encirclescap 803 whencap 803 is retained therein. That is,cap retainer 810 comprises adepressed region 812 but does not have spaced apart lobes. However,container 800 does comprise a singleannular rim 809 upon whichcontainer 800 stands when it is in an upright orientation.Container 800 also comprises acurved surface 811 betweenrim 809 anddepressed region 812. Whencap 803 is inserted intocap retainer 810,projections 807contact side surface 815 ofdepressed region 812 at spaced apartlocations 813.Cap 803 may deform as shown inFIG. 9B . More particularly,side portion 805 ofcap 803 may contract radially in the regions ofprojections 807 and may expand radially in the regions betweenprojections 807. As shown best inFIG. 9A , side portion ofcap 803 may be deformed by an angle δ in the region ofprojection 807. Deformation angle δ depends on a number of factors, including the material used to formcap 803 andprojections 807 and the dimension ofcap 803 andprojections 807. Deformation angle 8 may be in the range of 0-10°. In some embodiments, for example where elastomeric material is employed, deformation angle δ may be significantly higher. In other respects,container 800 andcap 803 may be similar to the other embodiments described herein. -
FIGS. 10A-10B show acontainer 850 and acap 853 according to another alternative embodiment of the invention.Container 850 comprises acap retainer 860 that is substantially similar to capretainer 110 ofFIGS. 2A-2D , except thatcap retainer 860 is located in thebase 855 ofcontainer 860 and thatbase 856 ofcap retainer 860 comprises acurved portion 856A near itsopen end 858. In other respects,container 850 andcap 853 may be similar to the other embodiments described herein. -
FIGS. 11A and 11B show acontainer 900 and acap 903 according to another alternative embodiment of the invention.Container 900 comprises acap retainer 910 that is substantially similar to capretainer 210 ofFIGS. 3A-3D , except thatcap retainer 910 is located in thebase 905 ofcontainer 900 and thatbase 916 ofcap retainer 910 is flat at both of its ends, rather than havingcurved portion 219 near one of its open ends. In other respects,container 900 andcap 903 may be similar to the other embodiments described herein. - The illustrated embodiments depicted above show screw on caps. In alternative embodiments of the invention, caps may comprise any type of lid, stopper, cork, seal or the like which seals a container opening. Such caps may comprise screws for engaging the rim of a container or may comprise other means for engaging the container so as to seal the container opening. For example, such caps may be “snap-on” caps which snap onto the rim of the container opening, deformable caps which fit into an interior of the rim of the container opening or may be otherwise coupleable to the container to seal the container opening.
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Container 100 shown inFIGS. 2A-2D andcontainer 200 shown inFIGS. 3A-3D are shown as having optionaladditional cap retainers container walls cap retainers -
Cap 303 shown inFIGS. 4A-4C and cap 403 shown inFIGS. 5A-5C comprise radially outwardly extendinglips sidewalls containers lips lips respective caps respective caps -
Container 700 and/or cap 703 ofFIGS. 8A-8B described above comprise alayer 711 of elastomeric material which is coated ontocontact surfaces 731A of its cap retainer 710 and/or to exterior surface 746 of the side portion 746A ofcap 703. Those skilled in the art will appreciate that the retaining capability of the cap retainers of any of the above described embodiments may be increased by coating the contact surfaces of the cap retainer and/or the corresponding surfaces of the cap with a layer of elastomeric material. The increase in retaining capability may be due to increases in friction caused by the elastomeric coating and/or increased pressure associated with deformation of the elastomeric coating. With elastomeric coatings, the tapering angles α, β of the above described embodiments may be substantially greater because the elastomeric coatings tend increase the friction between the cap and the contact surfaces. In some embodiments, the tapering angles α, β may be as high as 20°.
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- The contact surfaces of any of the cap retainers described above and/or the corresponding surfaces of the caps may be provided with friction enhancing features, such as ridges, bumps or grooves which enhance the frictional forces therebetween. Such friction enhancing features may be integrally formed with the contact surfaces of the cap retainers and/or the corresponding surfaces of the caps or may be subsequently added to the contact surfaces of the cap retainers and/or the corresponding surfaces of the caps. The friction enhancing features may be formed from an elastomeric material.
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- The embodiments described above depict beverage containers typically referred to as “bottles”. The invention is particularly well suited for beverage containers, because the cap may be hygienically stored and reused to seal the container and because storage of the cap allows the user to drink from the beverage container while performing other tasks with at least one of their hands. In addition, the provision of tapering angles α, β in the embodiments described above, allows caps to be deformed most significantly in the regions of the side portions closest to their cap rims. This makes it easier to deform the caps and prevents permanent warpage and breakage of the caps. This feature is particularly useful for beverage containers which may leak if their caps are permanently warped or broken. Despite these advantages which are directly applicable to beverage containers, the invention described herein is not limited to beverage containers. Alternative embodiments of the invention provide containers for holding other fluids, semi-fluids and/or solid contents.
- Some of the above described embodiments have slot shape cap retainers having sidewalls with sidewall points and curved contact surfaces. In some embodiments, one or both of the sidewalls of slot shaped cap retainers are straight (i.e. are not provided with sidewall points or curved portions). In such embodiments, cap may be held in part by the pressure associated with deformation of the cap against a straight contact surface of the straight sidewall.
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Container 400 ofFIGS. 5A-5C comprise a cap retainer 410 havinggaps sidewall portions sidewall portions cap 403. - In the above described embodiment, the slot-shaped cap retainers are located on the sides or on the bases of their corresponding containers. In the above-described embodiments, the slot-shaped cap retainers located on the sides of their corresponding containers are oriented such that the longitudinal axis of the slot corresponds to the longitudinal (vertical) axis of the container. This is not necessary. In general, the longitudinal axis of the slot may have any orientation with respect to the longitudinal (vertical) axis of the container.
- Cap retainers similar to
cap retainers
- Accordingly, the scope of the invention is to be construed in accordance with the substance defined by the following claims.
Claims (39)
1. A container and cap combination, the container having a container body which defines an interior of the container and a container opening for communication between the interior of the container and an exterior of the container and the cap being reusable to seal the container opening, the container body comprising:
a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening, the cap retainer comprising a slot elongated in a longitudinal direction, the slot defined by first and second sidewalls of the container which extend in the longitudinal direction and which are spaced apart from one another in a transverse direction, the slot having at least one open end, the at least one open end providing a transversely extending space between the first and second sidewalls at a longitudinal end of the first and second sidewalls;
wherein the first and second sidewalls comprise corresponding first and second contact surfaces which engage corresponding first and second side surfaces of the cap to secure the cap in its storage configuration within the slot and wherein the first and second side surfaces are located on opposing exterior peripheral edges of a side portion of the cap.
2. A container and cap combination according to claim 1 wherein the cap is slidable in the longitudinal direction of the slot from the at least one open end of the slot to its storage configuration.
3. A container and cap combination according to any one of claims 1 to 2 wherein the cap is secured in its storage configuration by frictional forces between the first and second contact surfaces and the corresponding first and second side surfaces.
4. A container and cap combination according to any one of claims 2 to 3 wherein the cap is secured in its storage configuration by pressure associated with elastic deformation of at least one of: the cap and the first and second sidewalls.
5. A container and cap combination according to any one of claims 1 to 4 wherein at least one of the first and second sidewalls comprises at least one sidewall point and wherein a transverse dimension of the slot is narrower in a region of the at least one sidewall point when compared to a transverse dimension of the slot in a region of the first and second contact surfaces.
6. A container and cap combination according to claim 5 wherein the at least one sidewall point is located between the at least one open end of the slot and the region of the first and second contact surfaces.
7. A container and cap combination according to any one of claims 5 to 6 wherein the first sidewall comprises a first sidewall point, the second sidewall comprises a second sidewall point and the first and second sidewall points are located directly, transversely across the slot from one another.
8. A container and cap combination according to any one of claims 5 to 7 wherein the first and second sidewalls each comprise a pair of sidewall points and the first and second contact surfaces are located between the pairs of sidewall points.
9. A container and cap combination according to any one of claims 5 to 8 wherein each of the first and second sidewalls comprises a plurality of sidewall points and a plurality of contact surfaces and each contact surface is located between a pair of the sidewall points.
10. A container and cap combination according to claim 1 wherein the slot comprises a first region between the first and second contact surfaces and a second region between the first region and the at least one open end of the slot and wherein the second region is narrower in the transverse direction than the first region.
11. A container and cap combination according to claim 10 wherein the cap is slidable in the longitudinal direction from the at least one open end of the slot past the second region to the first region.
12. A container and cap combination according to any one of claims 1 to 11 wherein the first and second contact surfaces are curved to correspond to a shape of the side portion of the cap.
13. A container and cap combination according to any one of claims 1 to 11 wherein the cap retainer comprises a wall of the container which extends in the transverse direction between the first and second sidewalls at one end of the slot.
14. A container and cap combination according to claim 13 wherein the transversely extending wall comprises an additional contact surface which engages the cap for securing the cap in its storage configuration.
15. A container and cap combination according to claim 14 wherein the first and second contact surfaces of the sidewalls and the contact surface of the transversely extending wall are curved to correspond to a shape of the side portion of the cap.
16. A container and cap combination according to any one of claims 1 to 15 wherein the first and second sidewalls comprise an outwardly opening tapering angle in a range of 0°-5°.
17. A container and cap combination according to any one of claims 1 to 16 wherein the cap comprises a lip which projects radially outwardly from its side portion and wherein each of the first and second sidewalls comprises a corresponding groove for receiving the lip when the cap is in its storage configuration.
18. A container and cap combination according to any one of claims 1 to 17 wherein the first and second sidewalls extend inwardly from a container wall and a base of the slot is depressed relative to the container wall.
19. A container and cap combination according to any one of claims 1 to 17 wherein the first and second sidewalls extend outwardly from a container wall and a base of the slot is level with the container wall.
20. A container and cap combination according to any one of claims 1 to 17 wherein the first and second sidewalls extend inwardly from a container base and a base of the slot is depressed relative to the container base.
21. A container and cap combination according to any one of claims 1 to 17 wherein the first and second sidewalls extend outwardly from a container base and a base of the slot is level with the container base.
22. A container and cap combination according to any one of claims 1 to 21 wherein at least one of the first and second contact surfaces and the first and second side surfaces are coated with a layer of an elastomeric material.
23. A container and cap combination according to claim 22 wherein the cap is secured in its storage configuration by frictional forces between the layer of elastomeric material and one of the first and second contact surfaces and the first and second side surfaces.
24. A container and cap combination according to any one of claims 22 to 23 wherein the cap is secured in its storage configuration by pressure associated with elastic deformation of the elastomeric material.
25. A container and cap combination, the container having a container body which defines an interior of the container and a container opening for communication between the interior of the container and an exterior of the container and the cap being reusable to seal the container opening, the container body comprising:
a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening, the cap retainer comprising a depressed region for receiving the cap, the depressed region located between a plurality of lobes which are angularly spaced apart around a circumference of the depressed region;
wherein each of the lobes comprises a contact surface which engages the side portion of the cap for securing the cap in its storage configuration and wherein the container comprises channels between each of the lobes.
26. A container and cap combination according to claim 25 wherein each of the container contact surfaces is oriented at a tapering angle such that each of the contact surfaces extends radially away from a center of the depressed region as each of the contact surfaces extends outwardly from the depressed region.
27. A container and cap combination according to claim 26 wherein the tapering angle is in a range of 0°-5°.
28. A container and cap combination according to any one of claims 25 to 27 wherein the depressed region is located in a base of the container.
29. A container and cap combination according to any one of claims 25 to 27 wherein the depressed region is located in a container wall.
30. A container and cap combination according any one of claims 25 to 29 wherein the cap is secured in its storage configuration by frictional forces between the contact surfaces and an exterior surface of the side portion of the cap.
31. A container and cap combination according to any one of claims 25 to 30 wherein the cap is secured in its storage configuration by pressure associated with elastic deformation of at least one of: the cap and the lobes.
32. A container and cap combination according to any one of claims 25 to 29 and 31 wherein at least one of the contact surfaces of the lobes and an exterior surface of the side portion of the cap is coated with a layer of an elastomeric material.
33. A container and cap combination according to any one of claims 30 to 32 wherein the contact surfaces are curved to correspond to a shape of the side portion of the cap.
34. A container and cap combination, the container having a container body which defines an interior of the container and a container opening for communication between the interior of the container and an exterior of the container and the cap being reusable to seal the container opening, the container body comprising:
a cap retainer for storing the cap in a storage configuration when the cap is not being used to seal the opening, the cap retainer comprising a depressed region in the container body for receiving the cap;
wherein a side portion of the cap comprises one or more radially extending projections, each projection spanning an arcuate segment which is less than a circumference of the side portion of the cap; and
wherein each of the radially extending projections engages a corresponding contact surface of the depressed region for securing the cap in its storage configuration.
35. A container and cap combination according to claim 34 wherein each of the radially extending projections are integrally formed with the cap.
36. A container and cap combination according to claim 34 wherein each of the radially extending projections is fabricated from an elastomeric material that is different from the material from which the cap is formed.
37. A container and cap combination according to any one of claims 34 to 36 wherein the cap is secured in its storage configuration by frictional forces between the contact surfaces and the radially extending projections.
38. A container and cap combination according to any one of claims 34 to 37 wherein the cap is secured in its storage configuration by pressure associated with elastic deformation of at least one of: the side portion of the cap, the radially extending projections of the cap and the contact surfaces.
39-57. (canceled)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2442519 CA2442519A1 (en) | 2003-09-23 | 2003-09-23 | Bottle with base that holds its reusable stopper |
CA2442519 | 2003-09-23 | ||
CA2450477 | 2003-11-18 | ||
CA 2450477 CA2450477A1 (en) | 2003-11-18 | 2003-11-18 | Bottle with wall that holds its reusable stopper |
PCT/CA2004/001728 WO2005028330A1 (en) | 2003-09-23 | 2004-09-22 | Container with cap retainer |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060249471A1 true US20060249471A1 (en) | 2006-11-09 |
Family
ID=34378581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/577,205 Abandoned US20060249471A1 (en) | 2003-09-23 | 2004-09-22 | Container with cap retainer |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060249471A1 (en) |
WO (1) | WO2005028330A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011153231A1 (en) * | 2010-06-01 | 2011-12-08 | Performance Vendors Llc | Automated mixing and dispensing of powdered beverages |
US8443993B1 (en) | 2009-09-09 | 2013-05-21 | Michael C. Desselle | Bottle cap assembly with means to retain a detached cap portion |
US20140061086A1 (en) * | 2010-03-18 | 2014-03-06 | Jong Soo Park | Structure for detachable coupling of containers |
WO2015200458A1 (en) * | 2014-06-24 | 2015-12-30 | Obregon Francisco J | Container assembly |
US9320567B2 (en) | 2011-09-30 | 2016-04-26 | Becton, Dickinson And Company | Medical waste containers and lids therefore |
US9656782B2 (en) | 2010-03-18 | 2017-05-23 | Jong Soo Park | Structure for detachable coupling of containers |
EP3816062A1 (en) * | 2019-11-01 | 2021-05-05 | Dethapak Innovation B.V. | Container with pouring spout |
US20230024962A1 (en) * | 2021-07-24 | 2023-01-26 | Chris Telman | Beverage container and lid system and method |
US11718440B2 (en) | 2020-08-24 | 2023-08-08 | Lecavalier Cellars LLC | Wine bottle with cork retainer and re-use features |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8002129B1 (en) * | 2008-11-06 | 2011-08-23 | Reyes Franny D | Liquor bottle device |
US8662328B2 (en) | 2010-09-23 | 2014-03-04 | 9224-9838 Quebec Inc. | Interconnecting container system |
DE102011114747A1 (en) * | 2011-09-28 | 2013-03-28 | Egon Hübel | Device for storing recycled material |
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JP2003081319A (en) * | 2001-09-07 | 2003-03-19 | Kyoraku Co Ltd | Container with cover |
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- 2004-09-22 WO PCT/CA2004/001728 patent/WO2005028330A1/en active Application Filing
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US1451822A (en) * | 1921-04-27 | 1923-04-17 | Frank H Hebron | Nursing bottle |
US2374092A (en) * | 1942-08-22 | 1945-04-17 | Glaser Michael | Multiple vessel combination |
US3402844A (en) * | 1967-04-25 | 1968-09-24 | Wesley S.C. Chin | Catsup bottle with cap-stand |
US4761379A (en) * | 1984-08-09 | 1988-08-02 | Becton, Dickinson And Company | Biological specimen collection device |
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US4798300A (en) * | 1987-03-03 | 1989-01-17 | Carling O'keefe Breweries Of Canada Limited | Bottle with integral cap-removing recess |
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US5443172A (en) * | 1994-09-21 | 1995-08-22 | Gabriele; Joseph F. | Non-slip closure grip for jar lids and the like |
US6073757A (en) * | 1998-06-02 | 2000-06-13 | Allergan | Combined bottle and lens case |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US8443993B1 (en) | 2009-09-09 | 2013-05-21 | Michael C. Desselle | Bottle cap assembly with means to retain a detached cap portion |
US8443994B1 (en) | 2009-09-09 | 2013-05-21 | Michael C. Desselle | Tethered bottle cap assembly with means to retain a detached cap portion |
US20140061086A1 (en) * | 2010-03-18 | 2014-03-06 | Jong Soo Park | Structure for detachable coupling of containers |
US9656782B2 (en) | 2010-03-18 | 2017-05-23 | Jong Soo Park | Structure for detachable coupling of containers |
WO2011153231A1 (en) * | 2010-06-01 | 2011-12-08 | Performance Vendors Llc | Automated mixing and dispensing of powdered beverages |
US9561084B2 (en) | 2011-09-30 | 2017-02-07 | Becton, Dickinson And Company | Medical waste containers and lids therefore |
US9320567B2 (en) | 2011-09-30 | 2016-04-26 | Becton, Dickinson And Company | Medical waste containers and lids therefore |
US9775683B2 (en) | 2011-09-30 | 2017-10-03 | Becton, Dickinson And Company | Medical waste containers and lids therefore |
WO2015200458A1 (en) * | 2014-06-24 | 2015-12-30 | Obregon Francisco J | Container assembly |
EP3816062A1 (en) * | 2019-11-01 | 2021-05-05 | Dethapak Innovation B.V. | Container with pouring spout |
NL2024149B1 (en) * | 2019-11-01 | 2021-07-19 | Dethapak Innovation B V | Container with pouring spout |
US11718440B2 (en) | 2020-08-24 | 2023-08-08 | Lecavalier Cellars LLC | Wine bottle with cork retainer and re-use features |
US20230024962A1 (en) * | 2021-07-24 | 2023-01-26 | Chris Telman | Beverage container and lid system and method |
Also Published As
Publication number | Publication date |
---|---|
WO2005028330A1 (en) | 2005-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |