US20060289541A1 - Tamper-resistant container with tamper-evident feature and method of forming the same - Google Patents
Tamper-resistant container with tamper-evident feature and method of forming the same Download PDFInfo
- Publication number
- US20060289541A1 US20060289541A1 US11/483,900 US48390006A US2006289541A1 US 20060289541 A1 US20060289541 A1 US 20060289541A1 US 48390006 A US48390006 A US 48390006A US 2006289541 A1 US2006289541 A1 US 2006289541A1
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- United States
- Prior art keywords
- container
- base portion
- cover portion
- tamper
- resistant
- 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
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Classifications
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- 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
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/024—Closures in which a part has to be ruptured to gain access to the contents
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/16—Non-removable lids or covers hinged for upward or downward movement
- B65D43/162—Non-removable lids or covers hinged for upward or downward movement the container, the lid and the hinge being made of one piece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0235—Removable lids or covers with integral tamper element
- B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
- B65D43/0254—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element only on the inside, or a part turned to the inside, of the mouth of the container
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/16—Non-removable lids or covers hinged for upward or downward movement
- B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/22—Devices for holding in closed position, e.g. clips
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00101—Shape of the outer periphery curved square-like or rectangular-like
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- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00296—Plastic
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00342—Central part of the lid
- B65D2543/00351—Dome-like
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00509—Cup
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
- B65D2543/00546—NO contact
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00611—Profiles
- B65D2543/0062—Groove or hollow bead
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00675—Periphery concerned
- B65D2543/00685—Totality
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00722—Profiles
- B65D2543/00731—Groove or hollow bead
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00787—Periphery concerned
- B65D2543/00796—Totality
Definitions
- the subject invention is directed to containers and packaging, and more particularly, to containers and packaging that incorporate tamper-resistant and tamper-evident features.
- Disposable containers for packaging, distributing, displaying or otherwise housing consumer items, especially perishable foods, are becoming increasingly important. Historically, perishable products had to be brought to market and sold quickly before exposure to the atmosphere caused the products to lose their freshness.
- plastics resulted in many products being wrapped or packaged in plastic, both in the form of flexible plastic bags and solid plastic containers.
- the use of plastics in the modern-day convenience food industry has significantly improved the “shelf life” of perishable products, allowing both merchants and their customers to store the products for longer periods of time, resulting in substantial savings.
- plastic containers will include a fairly rigid lid and base, although they may be subject to some amount of flexure.
- the lid provided must be capable of properly and effectively sealing the container, yet the container must be constructed so that the lid is relatively easy to remove, and even replace, since it is expected that the container and lid would normally be reused.
- tamper-resistant/evident features typically include structural elements which, when the container is tampered with or opened without authorization, enable the consumer to easily visually recognize such tampering so that the product can then be rejected.
- Such tamper-resistant/evident elements are important for, among other things, deterring theft and preventing the loss of product and income for the seller, as well as instilling consumer confidence in the integrity of the contents within the container and confidence in the ability of the seller and/or manufacturer to provide and maintain quality goods.
- the present invention is directed to a container that meets these needs.
- a tamper-resistant container with tamper-evident features (also referred to herein as a “tamper-resistant/evident container”) that includes a cover portion defining an outwardly extending peripheral flange and a base portion defining an upper peripheral edge.
- the upper peripheral edge of the base portion includes, at least in part, an upwardly projecting bead extending substantially about the perimeter of the base portion. This bead is configured and dimensioned to render the outwardly extending flange of the cover portion relatively inaccessible when the container is closed.
- the container includes an engagement mechanism, which may include a device or structure, among other things, for maintaining the peripheral flange adjacent to the upper peripheral edge when the container is closed.
- the container can further include a hinge joining the outwardly extending flange of the cover portion with the base portion.
- the hinge preferably includes a frangible section, which upon severing, provides a projection that extends out beyond the base portion to facilitate disengagement of the engagement mechanism and removal of the cover portion from the base portion.
- the frangible section of the hinge is delimited at least in part by a pair of parallel score lines, and more preferably, is further delimited by a plurality of spaced apart notches, depressions or nicks associated with the score lines.
- the container in another embodiment, includes a skirt which depends downwardly from the upper peripheral edge of the base portion.
- the hinge extends from the lower edge of the skirt to the outwardly extending flange of the cover portion.
- the aforementioned engagement mechanism is non-permanent and facilitates the reattachment of the cover portion with the base portion.
- the engagement mechanism urges the peripheral flange of the cover portion and the upper peripheral edge of the base portion to remain adjacent with respect to each other when the container is closed by, among other things, securing the cover portion to the base portion.
- the engagement mechanism includes corresponding male and female structural members which are configured and dimensioned to form a secure engagement with each other.
- the male engaging member can be defined on the base portion and the female engaging member can be defined on the cover portion.
- the container can also include at least one supporting rib defined on the base portion.
- the supporting rib includes a plurality of elongated, arcuate portions positioned adjacently with respect to one another.
- the present invention is also directed to a tamper-resistant/evident container that includes a cover portion defining a outwardly extending peripheral flange, a base portion defining an upper peripheral edge, a hinge joining the outwardly extending flange of the cover portion with the base portion, and an engagement mechanism, which may be a device or structure, among other things, for maintaining the peripheral flange adjacent to the upper peripheral edge when the container is closed.
- the engagement mechanism can be non-permanent and facilitate the reattachment of the cover portion with the base portion.
- the engagement mechanism can also urge the peripheral flange of the cover portion and the upper peripheral edge of the base portion to resist separation when the container is closed and remain in place.
- the engagement mechanism can include corresponding male and female engaging members, as discussed above.
- This container of the present invention can also include one or more supporting ribs defined on the base portion, which, as discussed above, preferably include a plurality of elongated arcuate portions positioned adjacently with respect to one another.
- the male engaging member of an engagement mechanism having male and female engaging members projects from at least one supporting rib.
- the present invention is also directed to a container that includes a cover portion defining a outwardly extending peripheral flange, a base portion defining an upper peripheral edge forming at least in part an upwardly projecting bead extending substantially about the perimeter of the base portion and configured to render the outwardly extending flange of the cover portion relatively inaccessible when the container is closed, a hinge joining the outwardly extending flange of the cover portion with the base portion, a male engaging member defined on the base portion to project towards the cover portion when the container is closed, and a female engaging member having a receiving portion defined on the cover portion to correspond to the position of the male engaging member when the container is closed for receiving the male engaging member therein and forming a non-permanent engagement between the male and female engaging members when the container is closed.
- the engagement of the male and female members provides resistance to any force applied to remove the cover portion and base portion.
- the engagement of the male and female members also urges the outwardly extending peripheral flange of the cover portion into contact with the peripheral edge of the base portion.
- FIG. 1 is a perspective view of a tamper-resistant/evident container constructed in accordance with the present invention in an exemplary circular configuration having a base portion and cover portion connected to each other by a hinge having a frangible section;
- FIG. 2 is a side view of the container shown in FIG. 1 , illustrating in particular the hinge having a frangible section or strip, and a suitable location for indicia to be printed thereon;
- FIG. 3 is a partial top view of the container shown in FIG. 1 , illustrating in particular the hinge having a frangible section or strip and projection associated therewith that extends beyond the upwardly projecting bead associated with the upper peripheral surface of the base portion;
- FIG. 4 is a partial cross sectional view of the container shown in FIG. 1 , taken along line 4 - 4 of FIG. 2 , illustrating in particular the hinge having a frangible section and upper and lower projections or arms extending from the cover portion and base portion of the container;
- FIG. 5 is a partial cross sectional view of the container shown in FIG. 1 , taken along line 5 - 5 of FIG. 8 , illustrating in particular the configuration of the base portion and the structural elements that facilitate a releasable/recloseable engagement with the cover portion;
- FIG. 6 is a partial cross sectional view of the container shown in FIG. 1 , taken along line 6 - 6 of FIG. 8 , illustrating in particular the configuration of the cover portion and the structural elements that facilitate a releasable/recloseable engagement with the base portion;
- FIG. 7 is a partial cross sectional view of the container shown in FIG. 1 , taken along line 7 - 7 of FIG. 3 , illustrating in particular the configuration of the base portion and cover portion when the container is closed and including the structural elements that facilitate a releasable/recloseable engagement between the base and cover portions;
- FIG. 8 is an exploded perspective view of the container shown in FIG. 1 , illustrating in particular the operative association between the cover portion, base portion and frangible section;
- FIG. 9 is a side view of the container shown in FIG. 1 , in which the frangible section has been removed, illustrating the manner in which the cover portion is separated from the base portion and the upper and lower projections or arms associated with the cover and base portions, respectively;
- FIG. 1 is a partial perspective view of the container shown in FIG. 1 , illustrating in particular the manner in which the upwardly projecting bead on the base portion physically prevents access to the outer edge of the cover portion, making it difficult to separate the cover portion from the base portion;
- FIG. 11 is a partial perspective view of the container shown in FIG. 1 , illustrating in particular the manner in which the frangible section can be removed from the hinge;
- FIG. 12 is a partial perspective view of the container shown in FIG. 1 , illustrating in particular the upper and lower projections formed by removal of the frangible section and the manner in which the upper and lower projections facilitate separation of the cover portion from the base portion;
- FIG. 13 is a side view of a two blade knife that can be used to form the frangible section of a container constructed in accordance with the present invention
- FIG. 14 is a front plan view of a first blade of the two blade knife of FIG. 13 , illustrating the position of the nicks and cutting surfaces that can form a first score line of a frangible section of a container constructed in accordance with the present invention
- FIG. 15 is a front plan view of a second blade of the two blade knife of FIG. 13 , illustrating the position of the nicks, cutting surfaces and offset that can form a second score line of a frangible section of a container constructed in accordance with the present invention
- FIG. 16 is perspective view of a tamper-resistant/evident container constructed in accordance with the present invention in an exemplary rectangular configuration having a base portion and cover portion connected to each other by a hinge having a frangible section;
- FIG. 17 is a side view of the container shown in FIG. 16 , illustrating in particular the hinge having a frangible section or strip, patterned sections on opposing ends thereof, and tabs defined by the frangible section score line;
- FIG. 18 is a partial cross sectional view of the container shown in FIG. 16 , taken along line 18 - 18 of FIG. 17 , illustrating in particular the configuration of the hinge, upper and lower projections and frangible section;
- FIG. 19 is a partial cross sectional view of the container shown in FIG. 16 , taken along line 19 - 19 of FIG. 17 , illustrating in particular the configuration of the hinge, upper and lower projections, frangible section, and score line defining a tab associated with the lower projection;
- FIG. 20 is a partial cross sectional view of the container shown in FIG. 16 , illustrating in particular the manner in which the cover portion is closed on the base portion;
- FIG. 21 is a partial perspective view of the container shown in FIG. 16 , illustrating in particular the manner in which the frangible section is removed from the hinge;
- FIGS. 22-23 are partial perspective views of the container shown in FIG. 1 , illustrating in particular the manner in which the separation of the cover portion from the base portion is facilitated by clasping the patterned section disposed on the upper projection or arm associated with the cover portion which is formed upon removal of the frangible section;
- FIG. 24 is a perspective view of another embodiment of a tamper-resistant/evident container constructed in accordance with the present invention having an additional engagement mechanism and support structure for providing enhanced structural integrity and further securing the base portion and cover portion, among other things; and
- FIG. 25 is another perspective view of the tamper-resistant/evident container shown in FIG. 24 .
- FIG. 26 is a perspective view of another embodiment of a tamper-resistant/evident container similar to that depicted in FIGS. 24-25 , but including a further variation of a pattern of reinforcing ribs.
- FIGS. 27-28 are perspective views of another embodiment of a tamper-resistant/evident container made in accordance with the invention.
- FIG. 27 is a view of the interior of such an open container
- FIG. 28 is a view of the exterior of the container.
- directional references such as “right,” “left,” “upper,” “lower,” “outward,” “inward,” etc., are intended to be relative to the orientation of a particular embodiment of the invention as shown in the first numbered view of that embodiment.
- a given reference numeral indicates the same or similar structure when it appears in different figures and like reference numerals identify similar structural elements and/or features of the subject invention.
- the container 10 includes a generally circular cover portion 12 and a generally bowl-shaped base portion 14 joined together by a hinge 16 .
- Hinge 16 includes a tamper-evident frangible section or pull strip 18 , which, upon its removal, severs the integral connection between cover portion 12 and base portion 14 .
- cover portion 12 and base portion 14 include structural features that facilitate the formation of a non-permanent engagement between cover portion 12 to base portion 14 .
- cover portion 12 and base portion 14 are facilitated by, among other things, a peripheral locking shoulder 20 and an radially inward circumferential groove 22 formed below an outwardly extending peripheral flange 24 on cover portion 12 , which can be seated within a corresponding mating circumferential recess 26 on base portion 14 .
- Circumferential recess 26 on base portion 14 is formed below an upper peripheral rim 28 and includes a radially inward projecting rib 30 and a radially inwardly extending rim 32 .
- container 10 includes an upwardly projecting bead 34 on base portion 14 that extends substantially about the perimeter of peripheral rim 28 and is positioned to surround the outer edge of flange 24 of cover portion 12 when container 10 is closed.
- the position and upward extension of bead 34 is configured to hinder the relatively easy method of removing a cover from conventional containers that may resemble or have characteristics in common with container 10 .
- bead 34 physically blocks access to the edge of peripheral flange 24 on cover portion 12 from fingers or any other object that might normally be used for leverage to pry cover portion 12 from base portion 14 .
- Hinge 16 includes an upper outwardly projecting arm 36 connected to base portion 14 , and a similar lower outwardly projecting arm 38 , which is connected to cover portion 12 .
- upper arm 36 is connected with a skirt 40 that projects downward from upper peripheral rim 28 and radially outward with respect to base portion 14 .
- Lower arm 38 is connected with the peripheral flange 24 .
- Upper and lower arms 36 and 38 are joined together by a common attachment to frangible strip 18 to form hinge 16 .
- frangible strip 18 is delimited at least in part by a pair of parallel score lines 42 a , 42 b or areas that have been weakened or stressed during the forming process.
- Frangible strip 18 may be further delimited by a plurality of spaced apart areas in which material has been removed associated with the score lines, by a plurality of spaced apart depressions associated with the score lines, or by perforation lines. The width and depth of the areas and/or depressions can vary to control the tear resistance offered by frangible strip 18 .
- the integral hinge 16 could be formed with a single score line or perforation line, rather than a pair of score lines. In this instance, the single score line could be severed to create a pair of projections which would be used to open the container.
- strip 18 includes laterally opposed grasping tabs 44 a and 44 b to provide a convenient location for gripping strip 18 .
- instructional indicia is imprinted on strip 18 to facilitate its removal from hinge 16 and/or consumer understanding of the significance of its removal as it relates to product tampering.
- Strip 18 and/or the instructional indicia preferably thereon can be colored or embossed, or otherwise fabricated to direct attention thereto.
- detaching frangible strip 18 from hinge 16 of container 10 leaves behind upper and lower arms 36 and 38 on cover portion 12 and base portion 14 , respectively.
- Upper and lower arms 36 and 38 extend outwardly from container 10 and can be used to facilitate removal of cover portion 12 from base portion 14 , once strip 18 has been removed, by applying sufficient opposing force to disengage locking shoulder 20 from within circumferential recess 26 .
- bead 34 prevents unauthorized access to the contents of container 10 by making it difficult to pull cover portion 12 from base portion 14 .
- strip 18 must be removed so that upper and lower arms 36 and 38 are free to be used to leverage cover portion 12 from base portion 14 .
- Cover portion 12 may be replaced on base portion 14 after container 10 is opened.
- Strip 18 once removed, is not replaceable. Thus, removal of strip 18 functions as a clear indicator of possible tampering, in that if strip 18 is partially or fully removed prior to purchase, it is readily apparent to a consumer that someone may have already gained access to the contents of container 10 .
- FIGS. 13-15 illustrate an exemplary configuration for a double scoring blade having blades 46 a , 46 b , which can be used in a punch press system or the like to form score lines 42 a , 42 b in accordance with the present invention.
- Various dimensions of blades 46 a , 46 b are also provided herein as a non-limiting example.
- the lateral separation L 1 between blades 46 a , 46 b is in this embodiment about 0.36 inches.
- the length L 2 of blades 46 a , 46 b is about 2.25 inches.
- Blades 46 a , 46 b include an offset recessed portion 48 with a series of substantially similar nicks 50 cut therein between cutting edges 52 .
- the width L 3 of cutting edges 52 is preferably 0.36 inches.
- the offset L 4 between recessed portion 48 and cutting edges 52 is approximately 0.001 inches.
- blade 46 a includes seven (7) nicks 50 while blade 46 b includes eight (8) nicks 50 .
- the nicks 50 on blade 46 a are offset with respect to the nicks 50 on blade 46 b , which results in a desirable zipper-like effect when removing strip 18 .
- nicks 50 are triangular shaped, about 0.010 inches deep and about 0.020 inches wide, and define an approximately 90 degree angle at its deepest convergence point 54 .
- the length L 5 between nicks 50 as measured between the respective convergence points 54 of adjacent nicks 50 , is approximately 0.252 inches.
- the length L 6 between the respective convergence points 54 of adjacent offset nicks 50 on blade 46 b is about 0.126 inches.
- the length L 7 of blades 46 a , 46 b is about 0.1 inches, and each blade edge defines an angle of about 45 degrees.
- a container constructed in accordance with the present invention which is preferably a plastic container used for carrying edible items, can be manufactured in a variety of shapes and sizes, and can be formed from resins or plastic materials such as polyethylene, polypropylene, polyvinyl chloride or polyethylene terephthalate (“PETE”), as well as other suitable materials or combinations thereof.
- the forming process can also vary to include methods such as thermo-forming, injection molding or blow molding.
- the container can be transparent or translucent, and may be colored in either instance. Also, vents can be provided in the container to promote airflow therethrough, if appropriate based on the intended contents of the container.
- container 10 is formed from a roll of PETE subjected to a vacuum and pressure mold with plug assist.
- blades 46 a , 46 b of FIGS. 13-15 are preferably applied to a newly formed container 10 to impart score lines 42 a , 42 b thereon.
- Cutting edges 52 cut substantially through the material used to make container 10 .
- the configuration of blades 46 a , 46 b are designed so that a desirable amount of force is necessary to remove strip 18 , as determined by consumer trials for example.
- the configuration of blades 46 a , 46 b can be adjusted for a variety of reasons, and the above dimensions are exemplary of one embodiment of the present invention.
- frangible strip 18 of hinge 16 various other methods can be employed to form frangible strip 18 of hinge 16 .
- score lines, nicks or penetrations can be created with the molding tool itself during the forming step.
- a high die forming process can be employed where, after the forming step, the container is indexed to a trim station, where one or more knives liberate the container and create the score lines or perforations.
- an intermittent cutter can be employed between the forming step or the trim step, a progressive punch and die operation can be employed, or a numerically controlled laser can be employed to create the nicks.
- electromechanical, ultra-sonic or hydrodynamic systems can be employed in the forming process.
- Container 10 could also be formed with locking arrangements known in the art other than the tamper-resistant/evident closure of the subject invention, such as traditional male and female locking features.
- Container 110 is similar to container 10 described above except that container 110 is rectangular in configuration rather than circular.
- Container 110 thus includes a base portion 114 and a cover portion 112 joined together by an integrally formed hinge 116 that defines a tamper-evident frangible pull strip 118 , which must be removed before cover portion 112 can be readily removed from base portion 114 .
- Container 10 includes embossed or raised patterned sections 156 a and 156 b on opposing tabs 144 a and 144 b of strip 118 , respectively, to facilitate removal of strip 118 .
- Patterned sections 158 a and 158 b are also disposed on opposing sides of upper arm 136 to facilitate separation of cover portion 112 from base portion 114 .
- Instructional indicia can be imprinted on upper arm 136 between patterned sections 158 a and 158 b.
- score line 142 b is situated on hinge 116 to define two tabs 160 a and 160 b which are connected with lower arm 138 .
- Tabs 160 a , 160 b remain in place on hinge 116 until strip 118 is removed, as can be best viewed in FIGS. 21-23 .
- Tabs 160 a , 160 b extend from lower arm 138 to further facilitate gripping lower arm 138 and separation of cover portion 112 from base portion 114 .
- FIGS. 24-26 illustrate other tamper-resistant/evident containers constructed in accordance with a preferred embodiment of the subject invention and designated generally by reference numeral 210 .
- Container 210 is rectangular in shape, but may be formed in other shapes, and has similar features to containers 10 and 110 described above.
- Container 210 includes, among other things, a base portion 214 and a cover portion 212 joined together by an integrally formed hinge 216 that defines a tamper-evident frangible pull strip 218 , which must be removed before cover portion 212 can be readily removed from base portion 214 .
- An upwardly projecting bead 234 is disposed on peripheral rim 222 of base portion 214 .
- Bead 234 is positioned to substantially surround the outer edge of flange 224 of cover portion 212 when container 210 is closed, thus physically blocking access by fingers or any other object that could be applied to the edge of peripheral flange 224 and rim 222 for leverage while attempting to pry cover portion 212 from base portion 214 .
- a plurality of supporting ribs 262 a - f each extending from about the enclosed bottom of base portion 214 to about extending rim 232 are positioned at the four comers (ribs 262 a - d , respectively) of base portion 214 and the midpoints on hinge side wall 264 (rib 262 e ) and opposing side wall 266 (rib 262 f ) of base portion 214 to provide enhanced structural integrity.
- Supporting ribs 262 a - f generally consist of multiple elongated, arcuate portions, each having a curved latitudinal cross-sectional profile, positioned adjacently with respect to one another.
- a multiplicity of ribs 262 are provided distributed about the bottom of base portion 214 as well as about the peripheral wall 214 a of base portion 214 .
- Applicants have discovered that the disclosed arrangement of ribs 262 about base portion 214 provides particularly advantageous performance. Over two dozen containers were tested having various rib patterns. However, the container disclosed in FIG. 26 exhibited the most superior performance. By way of illustration only, the container depicted in FIGS. 24-25 , without the rib pattern of the container in FIG.
- 26 may be made, for example, from a thermoformable material such as polyethylene terephthalate sheet in a thickness range from about 12 mils to about 40 mils, and preferably from about 14 mils to about 25 mils, depending on the size of the container. For example, it may be desirable to form a smaller container from a thinner gage material than a larger container.
- a thermoformable material such as polyethylene terephthalate sheet in a thickness range from about 12 mils to about 40 mils, and preferably from about 14 mils to about 25 mils, depending on the size of the container. For example, it may be desirable to form a smaller container from a thinner gage material than a larger container.
- the container depicted in FIG. 26 can be made from a substantially thinner gage of sheet material than that depicted in FIG. 25 .
- a 32 ounce container as depicted in FIG. 25 made of polyethylene terephtalate, for example, can be made from a 25 mil sheet.
- an even stronger container as depicted in FIG. 26 can be made from a 22 mil sheet.
- such a container could be made of a 20 mil sheet of polyethylene terephtalate. This accordingly may result in a 20% material savings, which can result in significant cost reduction for making a container of a given size.
- a circumferential engagement sealing interface between cover portion 212 and base portion 214 is defined in part by a plurality of outwardly bowed arcuate portions 290 . As depicted, outwardly bowed arcuate portions 290 are connected by rounded comer portions 292 .
- cover portion 212 may also include an additional independent, engaging mechanism that provides even further structural integrity, enhances security by urging flange 224 to remain in position against peripheral rim 222 , and facilitates the reattachment of cover portion 212 to base portion 214 , among other things.
- an additional independent, engaging mechanism that provides even further structural integrity, enhances security by urging flange 224 to remain in position against peripheral rim 222 , and facilitates the reattachment of cover portion 212 to base portion 214 , among other things.
- male engaging member 268 projects upwardly from supporting rib 262 f on side wall 266 which is received by a correspondingly sized female engaging member 270 defined on cover portion 212 .
- male engaging member 268 on base portion 214 and female engaging member 270 on cover portion 212 form an engagement which further secures base portion 214 to cover portion 212 .
- the aforementioned features increase the amount of force that would be necessary to pry cover portion 212 from base portion 214 in an unauthorized manner (i.e., without removal of strip 218 ).
- the aforementioned engagement facilitates the reattachment of cover portion 212 with base portion 214 after container 210 is opened legitimately by a consumer.
- Container 210 can be reclosed after purchase by urging cover portion 212 onto base portion 214 , and in particular, this can be accomplished by pressing on the comers of cover portion 212 , as indicated by instructional indicia printed in the outer comer areas of cover portion 212 in this embodiment.
- the initial engagement of male member 268 with female member 270 facilitates the subsequent step of applying pressure on the comers of cover portion 212 , making it easier to reattach cover portion 212 to base portion 214 .
- other engagement mechanisms, devices, engagements and container designs, and combinations thereof could be incorporated in any embodiment in accordance with the present invention.
- FIGS. 27-28 illustrate another tamper-resistant/evident container constructed in accordance with a preferred embodiment of the subject invention and designated generally by reference numeral 310 .
- Container 310 is generally round in shape, but may be formed in other shapes, and has similar features to containers 10 , 110 and 210 described above.
- Container 310 includes, among other things, a base portion 314 and a cover portion 312 joined together by an integrally formed hinge 316 that defines a tamper-evident frangible pull strip 318 , which must be removed before cover portion 312 can be readily removed from base portion 314 .
- An upwardly projecting bead 334 is disposed on peripheral rim 322 of base portion 314 .
- Bead 334 is positioned to substantially surround the outer edge of flange 324 of cover portion 312 when container 310 is closed, thus physically blocking access by fingers or any other object that could be applied to the edge of peripheral flange 324 and rim 322 for leverage while attempting to pry cover portion 312 from base portion 314 .
- a plurality of supporting gussets 362 a - h are disposed proximate the eight comers of base portion 314 to provide enhanced structural integrity.
- Gussets 362 also define interior spaces 363 that can be used to facilitate fingers of a user to remove an object (such as a pie, for example) from container 310 .
- Container 310 can also be provided with lower and upper vents 364 , 365 respectively, disposed circumferentially proximate the top and bottom of the container 310 to facilitate defrosting or heating of the contents of container 310 .
- vents 364 can be positioned proximate the lower portions of gussets 362 , whereby each gusset can act as an air duct to facilitate transport of air through the container. It will be appreciated that vents 364 , 365 can also operate to cool the contents of container 310 , whereby relatively cool ambient air can be drawn in through lower ducts 364 and out of upper ducts 365 , whereby the air is heated by the contents of the container to drive the flow. It will be appreciated that the location of vents 364 , 365 can be varied, as desired. As depicted, vents 365 are disposed in welled recesses that form ribs 372 in cover portion 312 of container 310 .
- gussets 362 extend as close to the bottom 317 of base 314 as possible. This spreads out the load of the contents of container 310 over a larger area of containers 310 when containers 310 are stacked. It has also been discovered that it is desirable to have gussets 362 extend up to flange 375 to prevent flexure of container 310 to prevent flange 324 from being separated from bead 334 . These design features significantly help make container 310 ore tamper resistant by making container 310 more resistant to flexure.
- bottom 317 of base 314 is generally octagonal, and is adapted and configured to nest within the octagonal recess 312 a formed in cover portion 312 .
- the octagonal features permit directional stacking which can facilitate the alignment, transport, display and merchandizing of goods. It will be understood that other shapes besides octagonal can be used, as understood by those of skill in the art.
- gussets 362 are adapted and configured so that gussets 362 can act as guides for guiding container between parallel rails (the locations of which being represented by axes X) of a of a guiding device to move, stack, fill and/or close containers 310 , if desired.
- a circumferential engagement sealing interface between cover portion 312 and base portion 314 is defined in part by a rounded segment 390 , a relatively straight segment 392 and two rounded comer portions 394 .
- the shape of interface is adapted and configured to provide substantial resistance to ensure container 310 is relatively tamper resistant.
- Container 310 also includes an additional independent, engaging mechanism that provides even further structural integrity, enhances security by urging flange 324 to remain in position against peripheral rim 322 , and facilitates the reattachment of cover portion 312 to base portion 314 , among other things.
- a plurality of male engaging members 368 project upwardly from base portion 314 disposed circumferentially about container 310 . Male engaging members 368 actually cooperate to urge flange 324 against peripheral rim 322 . This advantageously helps prevent tampering with the container.
- Members 368 also facilitate in guiding and aligning cover portion 312 with base portion to facilitate the reclosing of container 310 after it has been opened.
- cover portions 12 , 112 , 212 and 312 and base portions 14 , 114 , 214 and 314 can be made of different colored materials.
- all or a part of the cover portions and/or base portions can be transparent while the rest of the container can be translucent or opaque.
- two-tone sheeting is used (such as PET) wherein a dark opaque material is mated adjacently to a transparent segment. The separation between the two sections can be routed in the machine direction of the thermoforming machine used to make the containers.
- the transition area from transparent to opaque can be aligned with the tamper evident strip of the container so that the cover portion can be a different color than (or transparent or translucent compared to) the base portion.
Abstract
Description
- The subject application is a continuation in part of U.S. patent application Ser. No. 11/065,681, filed Feb. 24, 2005, now U.S. Pat. No. 7,073,680, which is a continuation in part of U.S. patent application Ser. No. 10/895,687 filed Jul. 21, 2004, which claims the benefit of priority to U.S. Provisional Patent Application No. 60/489,093 filed Jul. 21, 2003, the disclosure of each being incorporated by reference herein in its entirety.
- 1. Field of the Invention
- The subject invention is directed to containers and packaging, and more particularly, to containers and packaging that incorporate tamper-resistant and tamper-evident features.
- 2. Background of the Related Art
- Disposable containers for packaging, distributing, displaying or otherwise housing consumer items, especially perishable foods, are becoming increasingly important. Historically, perishable products had to be brought to market and sold quickly before exposure to the atmosphere caused the products to lose their freshness.
- The advent of plastics resulted in many products being wrapped or packaged in plastic, both in the form of flexible plastic bags and solid plastic containers. The use of plastics in the modern-day convenience food industry has significantly improved the “shelf life” of perishable products, allowing both merchants and their customers to store the products for longer periods of time, resulting in substantial savings.
- It has been found that consumers like recloseable packages, particularly for comestible products, especially in circumstances where more than one serving of a comestible product is contained therein, in order to reduce drying out or other deterioration of the comestible food product. In addition, consumers prefer to visually inspect the food product within such containers prior to purchase. Thus, fabricating containers from clear see-through plastics is desirable. For example, packaging provided for bakery goods has often been in the form of clear, plastic clamshell packaging, because, among other things, such clear, plastic clamshell packaging, provides a baked-on-the-premises image which grocery retailers have found to be especially appealing to consumers.
- Typically, plastic containers will include a fairly rigid lid and base, although they may be subject to some amount of flexure. The lid provided must be capable of properly and effectively sealing the container, yet the container must be constructed so that the lid is relatively easy to remove, and even replace, since it is expected that the container and lid would normally be reused.
- In addition to the aforementioned consumer design preferences, it is desirable to fabricate containers that include features which either deter unauthorized tampering or clearly indicate whether unauthorized tampering has occurred, or both. These tamper-resistant/evident features typically include structural elements which, when the container is tampered with or opened without authorization, enable the consumer to easily visually recognize such tampering so that the product can then be rejected. Such tamper-resistant/evident elements are important for, among other things, deterring theft and preventing the loss of product and income for the seller, as well as instilling consumer confidence in the integrity of the contents within the container and confidence in the ability of the seller and/or manufacturer to provide and maintain quality goods.
- Thus, there is a compelling interest in the development of containers having consumer-preferable design elements, such as recloseability features which are reliable and easy to operate, along with tamper-resistant/evident features that deter tampering and clearly indicate whether tampering has occurred, and which are also reliable without being burdensome to the legitimate consumer. Accordingly, the present invention is directed to a container that meets these needs.
- The present invention meets the aforementioned needs, while also improving upon and solving problems associated with previous containers by providing, among other things, a tamper-resistant container with tamper-evident features (also referred to herein as a “tamper-resistant/evident container”) that includes a cover portion defining an outwardly extending peripheral flange and a base portion defining an upper peripheral edge. The upper peripheral edge of the base portion includes, at least in part, an upwardly projecting bead extending substantially about the perimeter of the base portion. This bead is configured and dimensioned to render the outwardly extending flange of the cover portion relatively inaccessible when the container is closed. Preferably, the container includes an engagement mechanism, which may include a device or structure, among other things, for maintaining the peripheral flange adjacent to the upper peripheral edge when the container is closed.
- The container can further include a hinge joining the outwardly extending flange of the cover portion with the base portion. The hinge preferably includes a frangible section, which upon severing, provides a projection that extends out beyond the base portion to facilitate disengagement of the engagement mechanism and removal of the cover portion from the base portion. Preferably, the frangible section of the hinge is delimited at least in part by a pair of parallel score lines, and more preferably, is further delimited by a plurality of spaced apart notches, depressions or nicks associated with the score lines.
- In another embodiment, the container includes a skirt which depends downwardly from the upper peripheral edge of the base portion. Preferably, the hinge extends from the lower edge of the skirt to the outwardly extending flange of the cover portion.
- In a further embodiment, the aforementioned engagement mechanism is non-permanent and facilitates the reattachment of the cover portion with the base portion. Preferably, the engagement mechanism urges the peripheral flange of the cover portion and the upper peripheral edge of the base portion to remain adjacent with respect to each other when the container is closed by, among other things, securing the cover portion to the base portion.
- In one embodiment, the engagement mechanism includes corresponding male and female structural members which are configured and dimensioned to form a secure engagement with each other. The male engaging member can be defined on the base portion and the female engaging member can be defined on the cover portion.
- The container can also include at least one supporting rib defined on the base portion. In one embodiment, the supporting rib includes a plurality of elongated, arcuate portions positioned adjacently with respect to one another.
- The present invention is also directed to a tamper-resistant/evident container that includes a cover portion defining a outwardly extending peripheral flange, a base portion defining an upper peripheral edge, a hinge joining the outwardly extending flange of the cover portion with the base portion, and an engagement mechanism, which may be a device or structure, among other things, for maintaining the peripheral flange adjacent to the upper peripheral edge when the container is closed.
- In one embodiment of this container, the engagement mechanism can be non-permanent and facilitate the reattachment of the cover portion with the base portion. The engagement mechanism can also urge the peripheral flange of the cover portion and the upper peripheral edge of the base portion to resist separation when the container is closed and remain in place.
- In another embodiment of this container, the engagement mechanism can include corresponding male and female engaging members, as discussed above.
- This container of the present invention can also include one or more supporting ribs defined on the base portion, which, as discussed above, preferably include a plurality of elongated arcuate portions positioned adjacently with respect to one another. In a preferred embodiment, the male engaging member of an engagement mechanism having male and female engaging members, projects from at least one supporting rib.
- The present invention is also directed to a container that includes a cover portion defining a outwardly extending peripheral flange, a base portion defining an upper peripheral edge forming at least in part an upwardly projecting bead extending substantially about the perimeter of the base portion and configured to render the outwardly extending flange of the cover portion relatively inaccessible when the container is closed, a hinge joining the outwardly extending flange of the cover portion with the base portion, a male engaging member defined on the base portion to project towards the cover portion when the container is closed, and a female engaging member having a receiving portion defined on the cover portion to correspond to the position of the male engaging member when the container is closed for receiving the male engaging member therein and forming a non-permanent engagement between the male and female engaging members when the container is closed.
- In one embodiment of the aforementioned container constructed in accordance with the present invention, the engagement of the male and female members provides resistance to any force applied to remove the cover portion and base portion. Preferably, the engagement of the male and female members also urges the outwardly extending peripheral flange of the cover portion into contact with the peripheral edge of the base portion.
- These and other aspects of the present invention will become more readily apparent to those having ordinary skill in the art from the following detailed description of the invention taken in conjunction with the drawings.
- So that those having ordinary skill in the art to which the subject invention pertains will more readily understand how to make and use the tamper-resistant/evident package disclosed herein, embodiments thereof will be described in detail below with reference to the drawings, wherein:
-
FIG. 1 is a perspective view of a tamper-resistant/evident container constructed in accordance with the present invention in an exemplary circular configuration having a base portion and cover portion connected to each other by a hinge having a frangible section; -
FIG. 2 is a side view of the container shown inFIG. 1 , illustrating in particular the hinge having a frangible section or strip, and a suitable location for indicia to be printed thereon; -
FIG. 3 is a partial top view of the container shown inFIG. 1 , illustrating in particular the hinge having a frangible section or strip and projection associated therewith that extends beyond the upwardly projecting bead associated with the upper peripheral surface of the base portion; -
FIG. 4 is a partial cross sectional view of the container shown inFIG. 1 , taken along line 4-4 ofFIG. 2 , illustrating in particular the hinge having a frangible section and upper and lower projections or arms extending from the cover portion and base portion of the container; -
FIG. 5 is a partial cross sectional view of the container shown inFIG. 1 , taken along line 5-5 ofFIG. 8 , illustrating in particular the configuration of the base portion and the structural elements that facilitate a releasable/recloseable engagement with the cover portion; -
FIG. 6 is a partial cross sectional view of the container shown inFIG. 1 , taken along line 6-6 ofFIG. 8 , illustrating in particular the configuration of the cover portion and the structural elements that facilitate a releasable/recloseable engagement with the base portion; -
FIG. 7 is a partial cross sectional view of the container shown inFIG. 1 , taken along line 7-7 ofFIG. 3 , illustrating in particular the configuration of the base portion and cover portion when the container is closed and including the structural elements that facilitate a releasable/recloseable engagement between the base and cover portions; -
FIG. 8 is an exploded perspective view of the container shown inFIG. 1 , illustrating in particular the operative association between the cover portion, base portion and frangible section; -
FIG. 9 is a side view of the container shown inFIG. 1 , in which the frangible section has been removed, illustrating the manner in which the cover portion is separated from the base portion and the upper and lower projections or arms associated with the cover and base portions, respectively; - is a partial perspective view of the container shown in
FIG. 1 , illustrating in particular the manner in which the upwardly projecting bead on the base portion physically prevents access to the outer edge of the cover portion, making it difficult to separate the cover portion from the base portion; -
FIG. 11 is a partial perspective view of the container shown inFIG. 1 , illustrating in particular the manner in which the frangible section can be removed from the hinge; -
FIG. 12 is a partial perspective view of the container shown inFIG. 1 , illustrating in particular the upper and lower projections formed by removal of the frangible section and the manner in which the upper and lower projections facilitate separation of the cover portion from the base portion; -
FIG. 13 is a side view of a two blade knife that can be used to form the frangible section of a container constructed in accordance with the present invention; -
FIG. 14 is a front plan view of a first blade of the two blade knife ofFIG. 13 , illustrating the position of the nicks and cutting surfaces that can form a first score line of a frangible section of a container constructed in accordance with the present invention; -
FIG. 15 is a front plan view of a second blade of the two blade knife ofFIG. 13 , illustrating the position of the nicks, cutting surfaces and offset that can form a second score line of a frangible section of a container constructed in accordance with the present invention; -
FIG. 16 is perspective view of a tamper-resistant/evident container constructed in accordance with the present invention in an exemplary rectangular configuration having a base portion and cover portion connected to each other by a hinge having a frangible section; -
FIG. 17 is a side view of the container shown inFIG. 16 , illustrating in particular the hinge having a frangible section or strip, patterned sections on opposing ends thereof, and tabs defined by the frangible section score line; -
FIG. 18 is a partial cross sectional view of the container shown inFIG. 16 , taken along line 18-18 ofFIG. 17 , illustrating in particular the configuration of the hinge, upper and lower projections and frangible section; -
FIG. 19 is a partial cross sectional view of the container shown inFIG. 16 , taken along line 19-19 ofFIG. 17 , illustrating in particular the configuration of the hinge, upper and lower projections, frangible section, and score line defining a tab associated with the lower projection; -
FIG. 20 is a partial cross sectional view of the container shown inFIG. 16 , illustrating in particular the manner in which the cover portion is closed on the base portion; -
FIG. 21 is a partial perspective view of the container shown inFIG. 16 , illustrating in particular the manner in which the frangible section is removed from the hinge; -
FIGS. 22-23 are partial perspective views of the container shown inFIG. 1 , illustrating in particular the manner in which the separation of the cover portion from the base portion is facilitated by clasping the patterned section disposed on the upper projection or arm associated with the cover portion which is formed upon removal of the frangible section; -
FIG. 24 is a perspective view of another embodiment of a tamper-resistant/evident container constructed in accordance with the present invention having an additional engagement mechanism and support structure for providing enhanced structural integrity and further securing the base portion and cover portion, among other things; and -
FIG. 25 is another perspective view of the tamper-resistant/evident container shown inFIG. 24 . -
FIG. 26 is a perspective view of another embodiment of a tamper-resistant/evident container similar to that depicted inFIGS. 24-25 , but including a further variation of a pattern of reinforcing ribs. -
FIGS. 27-28 are perspective views of another embodiment of a tamper-resistant/evident container made in accordance with the invention.FIG. 27 is a view of the interior of such an open container, andFIG. 28 is a view of the exterior of the container. - The advantages of a tamper-resistant/evident container constructed in accordance with the present invention will become more readily apparent to those having ordinary skill in the art from the following detailed description of certain preferred and exemplary embodiments taken in conjunction with the drawings which set forth representative embodiments thereof, but are not intended to limit the scope of the present invention.
- Unless otherwise apparent, or stated, directional references, such as “right,” “left,” “upper,” “lower,” “outward,” “inward,” etc., are intended to be relative to the orientation of a particular embodiment of the invention as shown in the first numbered view of that embodiment. In addition, a given reference numeral indicates the same or similar structure when it appears in different figures and like reference numerals identify similar structural elements and/or features of the subject invention.
- In accordance with an exemplary embodiment of the subject invention illustrated in
FIGS. 1 and 2 , thecontainer 10 includes a generallycircular cover portion 12 and a generally bowl-shapedbase portion 14 joined together by ahinge 16.Hinge 16 includes a tamper-evident frangible section or pullstrip 18, which, upon its removal, severs the integral connection betweencover portion 12 andbase portion 14. - would be filled with the contents for which consumer protection is desired and
cover portion 12 would be engaged withbase portion 14. In accordance with the present invention,cover portion 12 andbase portion 14 include structural features that facilitate the formation of a non-permanent engagement betweencover portion 12 tobase portion 14. - In this embodiment, the non-permanent engagement between
cover portion 12 andbase portion 14 is facilitated by, among other things, a peripheral lockingshoulder 20 and an radially inwardcircumferential groove 22 formed below an outwardly extendingperipheral flange 24 oncover portion 12, which can be seated within a corresponding mating circumferential recess 26 onbase portion 14. Circumferential recess 26 onbase portion 14 is formed below an upperperipheral rim 28 and includes a radially inward projectingrib 30 and a radially inwardly extendingrim 32. - When
cover portion 12 is closed onbase portion 14, projectingrib 30 mates withcircumferential groove 22 oncover portion 12 and extendingrim 32 mates with lockingshoulder 20 oncover portion 12. In addition, outwardly extendingperipheral flange 24 oncover portion 12 abuts upperperipheral rim 28 onbase portion 14. - incorporates features which are intended to prevent and deter opening
container 10 without first removingfrangible strip 18 fromhinge 16. In this embodiment,container 10 includes an upwardly projectingbead 34 onbase portion 14 that extends substantially about the perimeter ofperipheral rim 28 and is positioned to surround the outer edge offlange 24 ofcover portion 12 whencontainer 10 is closed. The position and upward extension ofbead 34 is configured to hinder the relatively easy method of removing a cover from conventional containers that may resemble or have characteristics in common withcontainer 10. As can be best viewed inFIG. 10 ,bead 34 physically blocks access to the edge ofperipheral flange 24 oncover portion 12 from fingers or any other object that might normally be used for leverage to prycover portion 12 frombase portion 14. -
Hinge 16 includes an upper outwardly projectingarm 36 connected tobase portion 14, and a similar lower outwardly projectingarm 38, which is connected to coverportion 12. In particular,upper arm 36 is connected with askirt 40 that projects downward from upperperipheral rim 28 and radially outward with respect tobase portion 14.Lower arm 38 is connected with theperipheral flange 24. Upper andlower arms frangible strip 18 to formhinge 16. - Preferably,
frangible strip 18 is delimited at least in part by a pair ofparallel score lines Frangible strip 18 may be further delimited by a plurality of spaced apart areas in which material has been removed associated with the score lines, by a plurality of spaced apart depressions associated with the score lines, or by perforation lines. The width and depth of the areas and/or depressions can vary to control the tear resistance offered byfrangible strip 18. Alternatively, theintegral hinge 16 could be formed with a single score line or perforation line, rather than a pair of score lines. In this instance, the single score line could be severed to create a pair of projections which would be used to open the container. - In this embodiment,
strip 18 includes laterally opposed graspingtabs strip 18. Preferably, instructional indicia is imprinted onstrip 18 to facilitate its removal fromhinge 16 and/or consumer understanding of the significance of its removal as it relates to product tampering.Strip 18 and/or the instructional indicia preferably thereon can be colored or embossed, or otherwise fabricated to direct attention thereto. - As can be best viewed in
FIGS. 11 and 12 , detachingfrangible strip 18 fromhinge 16 ofcontainer 10 leaves behind upper andlower arms cover portion 12 andbase portion 14, respectively. Upper andlower arms container 10 and can be used to facilitate removal ofcover portion 12 frombase portion 14, oncestrip 18 has been removed, by applying sufficient opposing force to disengage lockingshoulder 20 from within circumferential recess 26. - The presence of
bead 34 prevents unauthorized access to the contents ofcontainer 10 by making it difficult to pullcover portion 12 frombase portion 14. If access tocontainer 10 is desired,strip 18 must be removed so that upper andlower arms cover portion 12 frombase portion 14.Cover portion 12 may be replaced onbase portion 14 aftercontainer 10 is opened.Strip 18, however, once removed, is not replaceable. Thus, removal ofstrip 18 functions as a clear indicator of possible tampering, in that ifstrip 18 is partially or fully removed prior to purchase, it is readily apparent to a consumer that someone may have already gained access to the contents ofcontainer 10. -
FIGS. 13-15 illustrate an exemplary configuration for a double scoringblade having blades score lines blades - The lateral separation L1 between
blades blades Blades portion 48 with a series of substantiallysimilar nicks 50 cut therein between cutting edges 52. The width L3 of cuttingedges 52 is preferably 0.36 inches. Preferably, the offset L4 between recessedportion 48 and cuttingedges 52 is approximately 0.001 inches. - In this embodiment,
blade 46 a includes seven (7)nicks 50 whileblade 46 b includes eight (8)nicks 50. Thenicks 50 onblade 46 a are offset with respect to thenicks 50 onblade 46 b, which results in a desirable zipper-like effect when removingstrip 18. Preferably,nicks 50 are triangular shaped, about 0.010 inches deep and about 0.020 inches wide, and define an approximately 90 degree angle at itsdeepest convergence point 54. The length L5 betweennicks 50, as measured between the respective convergence points 54 ofadjacent nicks 50, is approximately 0.252 inches. The length L6 between the respective convergence points 54 of adjacent offsetnicks 50 onblade 46 b is about 0.126 inches. The length L7 ofblades - It should be readily understood that a container constructed in accordance with the present invention, which is preferably a plastic container used for carrying edible items, can be manufactured in a variety of shapes and sizes, and can be formed from resins or plastic materials such as polyethylene, polypropylene, polyvinyl chloride or polyethylene terephthalate (“PETE”), as well as other suitable materials or combinations thereof. The forming process can also vary to include methods such as thermo-forming, injection molding or blow molding. The container can be transparent or translucent, and may be colored in either instance. Also, vents can be provided in the container to promote airflow therethrough, if appropriate based on the intended contents of the container.
- Preferably,
container 10 is formed from a roll of PETE subjected to a vacuum and pressure mold with plug assist. During manufacture,blades FIGS. 13-15 are preferably applied to a newly formedcontainer 10 to impartscore lines edges 52 cut substantially through the material used to makecontainer 10. Preferably, the configuration ofblades strip 18, as determined by consumer trials for example. Those skilled in the art will readily appreciate that the configuration ofblades - For example, various other methods can be employed to form
frangible strip 18 ofhinge 16. For example, score lines, nicks or penetrations can be created with the molding tool itself during the forming step. Alternatively, a high die forming process can be employed where, after the forming step, the container is indexed to a trim station, where one or more knives liberate the container and create the score lines or perforations. Also, an intermittent cutter can be employed between the forming step or the trim step, a progressive punch and die operation can be employed, or a numerically controlled laser can be employed to create the nicks. It is also envisioned that electromechanical, ultra-sonic or hydrodynamic systems can be employed in the forming process. -
Container 10 could also be formed with locking arrangements known in the art other than the tamper-resistant/evident closure of the subject invention, such as traditional male and female locking features. - Referring to
FIGS. 16-23 , there is illustrated another tamper-resistant/evident container constructed in accordance with a preferred embodiment of the subject invention and designated generally byreference numeral 110.Container 110 is similar tocontainer 10 described above except thatcontainer 110 is rectangular in configuration rather than circular.Container 110 thus includes abase portion 114 and acover portion 112 joined together by an integrally formed hinge 116 that defines a tamper-evidentfrangible pull strip 118, which must be removed beforecover portion 112 can be readily removed frombase portion 114. -
Container 10 includes embossed or raisedpatterned sections tabs strip 118, respectively, to facilitate removal ofstrip 118.Patterned sections 158 a and 158 b are also disposed on opposing sides ofupper arm 136 to facilitate separation ofcover portion 112 frombase portion 114. Instructional indicia can be imprinted onupper arm 136 between patternedsections 158 a and 158 b. - In this embodiment, score line 142 b is situated on hinge 116 to define two
tabs lower arm 138.Tabs strip 118 is removed, as can be best viewed inFIGS. 21-23 .Tabs lower arm 138 to further facilitate grippinglower arm 138 and separation ofcover portion 112 frombase portion 114. -
FIGS. 24-26 illustrate other tamper-resistant/evident containers constructed in accordance with a preferred embodiment of the subject invention and designated generally byreference numeral 210.Container 210 is rectangular in shape, but may be formed in other shapes, and has similar features tocontainers Container 210 includes, among other things, abase portion 214 and acover portion 212 joined together by an integrally formedhinge 216 that defines a tamper-evidentfrangible pull strip 218, which must be removed beforecover portion 212 can be readily removed frombase portion 214. An upwardly projectingbead 234 is disposed onperipheral rim 222 ofbase portion 214.Bead 234 is positioned to substantially surround the outer edge offlange 224 ofcover portion 212 whencontainer 210 is closed, thus physically blocking access by fingers or any other object that could be applied to the edge ofperipheral flange 224 andrim 222 for leverage while attempting to prycover portion 212 frombase portion 214. - In the embodiments of
FIGS. 24-25 a plurality of supportingribs 262 a-f, each extending from about the enclosed bottom ofbase portion 214 to about extendingrim 232 are positioned at the four comers (ribs 262 a-d, respectively) ofbase portion 214 and the midpoints on hinge side wall 264 (rib 262 e) and opposing side wall 266 (rib 262 f) ofbase portion 214 to provide enhanced structural integrity. Supportingribs 262 a-f generally consist of multiple elongated, arcuate portions, each having a curved latitudinal cross-sectional profile, positioned adjacently with respect to one another. - In the embodiment disclosed in
FIG. 26 , a multiplicity ofribs 262 are provided distributed about the bottom ofbase portion 214 as well as about theperipheral wall 214 a ofbase portion 214. Applicants have discovered that the disclosed arrangement ofribs 262 aboutbase portion 214 provides particularly advantageous performance. Over two dozen containers were tested having various rib patterns. However, the container disclosed inFIG. 26 exhibited the most superior performance. By way of illustration only, the container depicted inFIGS. 24-25 , without the rib pattern of the container inFIG. 26 may be made, for example, from a thermoformable material such as polyethylene terephthalate sheet in a thickness range from about 12 mils to about 40 mils, and preferably from about 14 mils to about 25 mils, depending on the size of the container. For example, it may be desirable to form a smaller container from a thinner gage material than a larger container. - It has been discovered that the container depicted in
FIG. 26 can be made from a substantially thinner gage of sheet material than that depicted inFIG. 25 . A 32 ounce container as depicted inFIG. 25 made of polyethylene terephtalate, for example, can be made from a 25 mil sheet. In contrast, an even stronger container as depicted inFIG. 26 can be made from a 22 mil sheet. It is further believed that such a container could be made of a 20 mil sheet of polyethylene terephtalate. This accordingly may result in a 20% material savings, which can result in significant cost reduction for making a container of a given size. - As further disclosed in these embodiments, a circumferential engagement sealing interface between
cover portion 212 andbase portion 214 is defined in part by a plurality of outwardly bowedarcuate portions 290. As depicted, outwardly bowedarcuate portions 290 are connected byrounded comer portions 292. - may also include an additional independent, engaging mechanism that provides even further structural integrity, enhances security by urging
flange 224 to remain in position againstperipheral rim 222, and facilitates the reattachment ofcover portion 212 tobase portion 214, among other things. As depicted inFIGS. 24 and 25 , for example,male engaging member 268 projects upwardly from supportingrib 262 f onside wall 266 which is received by a correspondingly sizedfemale engaging member 270 defined oncover portion 212. - is closed,
male engaging member 268 onbase portion 214 and female engagingmember 270 oncover portion 212 form an engagement which further securesbase portion 214 to coverportion 212. In addition to urgingflange 224 againstrim 222, the aforementioned features increase the amount of force that would be necessary to prycover portion 212 frombase portion 214 in an unauthorized manner (i.e., without removal of strip 218). - Also, the aforementioned engagement facilitates the reattachment of
cover portion 212 withbase portion 214 aftercontainer 210 is opened legitimately by a consumer.Container 210 can be reclosed after purchase by urgingcover portion 212 ontobase portion 214, and in particular, this can be accomplished by pressing on the comers ofcover portion 212, as indicated by instructional indicia printed in the outer comer areas ofcover portion 212 in this embodiment. Inreclosing container 210, the initial engagement ofmale member 268 withfemale member 270 facilitates the subsequent step of applying pressure on the comers ofcover portion 212, making it easier to reattachcover portion 212 tobase portion 214. It should be readily apparent to those skilled in the art that other engagement mechanisms, devices, engagements and container designs, and combinations thereof, could be incorporated in any embodiment in accordance with the present invention. -
FIGS. 27-28 illustrate another tamper-resistant/evident container constructed in accordance with a preferred embodiment of the subject invention and designated generally byreference numeral 310.Container 310 is generally round in shape, but may be formed in other shapes, and has similar features tocontainers Container 310 includes, among other things, abase portion 314 and acover portion 312 joined together by an integrally formedhinge 316 that defines a tamper-evidentfrangible pull strip 318, which must be removed beforecover portion 312 can be readily removed frombase portion 314. An upwardly projectingbead 334 is disposed onperipheral rim 322 ofbase portion 314.Bead 334 is positioned to substantially surround the outer edge offlange 324 ofcover portion 312 whencontainer 310 is closed, thus physically blocking access by fingers or any other object that could be applied to the edge ofperipheral flange 324 andrim 322 for leverage while attempting to prycover portion 312 frombase portion 314. - In this embodiment, a plurality of supporting
gussets 362 a-h, each extending from about the enclosed bottom ofbase portion 314 to about extending rim 332 are disposed proximate the eight comers ofbase portion 314 to provide enhanced structural integrity.Gussets 362 also defineinterior spaces 363 that can be used to facilitate fingers of a user to remove an object (such as a pie, for example) fromcontainer 310.Container 310 can also be provided with lower andupper vents container 310 to facilitate defrosting or heating of the contents ofcontainer 310. In the case of a frozen pie, for example, warm air can be drawn in throughupper vents 365. As air enters throughupper vent 365, it is cooled, and sinks out throughlower vent 364. If desired, vents 364 can be positioned proximate the lower portions ofgussets 362, whereby each gusset can act as an air duct to facilitate transport of air through the container. It will be appreciated thatvents container 310, whereby relatively cool ambient air can be drawn in throughlower ducts 364 and out ofupper ducts 365, whereby the air is heated by the contents of the container to drive the flow. It will be appreciated that the location ofvents vents 365 are disposed in welled recesses that formribs 372 incover portion 312 ofcontainer 310. - It was discovered through experimentation that it is desirable to have
gussets 362 extend as close to thebottom 317 ofbase 314 as possible. This spreads out the load of the contents ofcontainer 310 over a larger area ofcontainers 310 whencontainers 310 are stacked. It has also been discovered that it is desirable to havegussets 362 extend up to flange 375 to prevent flexure ofcontainer 310 to preventflange 324 from being separated frombead 334. These design features significantly help makecontainer 310 ore tamper resistant by makingcontainer 310 more resistant to flexure. - As depicted,
bottom 317 ofbase 314 is generally octagonal, and is adapted and configured to nest within theoctagonal recess 312 a formed incover portion 312. The octagonal features permit directional stacking which can facilitate the alignment, transport, display and merchandizing of goods. It will be understood that other shapes besides octagonal can be used, as understood by those of skill in the art. - As depicted in
FIG. 27 ,gussets 362 are adapted and configured so thatgussets 362 can act as guides for guiding container between parallel rails (the locations of which being represented by axes X) of a of a guiding device to move, stack, fill and/orclose containers 310, if desired. - As further disclosed in this embodiment, a circumferential engagement sealing interface between
cover portion 312 andbase portion 314 is defined in part by arounded segment 390, a relativelystraight segment 392 and tworounded comer portions 394. The shape of interface is adapted and configured to provide substantial resistance to ensurecontainer 310 is relatively tamper resistant. -
Container 310 also includes an additional independent, engaging mechanism that provides even further structural integrity, enhances security by urgingflange 324 to remain in position againstperipheral rim 322, and facilitates the reattachment ofcover portion 312 tobase portion 314, among other things. A plurality ofmale engaging members 368 project upwardly frombase portion 314 disposed circumferentially aboutcontainer 310. Male engagingmembers 368 actually cooperate to urgeflange 324 againstperipheral rim 322. This advantageously helps prevent tampering with the container.Members 368 also facilitate in guiding and aligningcover portion 312 with base portion to facilitate the reclosing ofcontainer 310 after it has been opened. - It will be understood that the
cover portions base portions - Although exemplary and preferred aspects and embodiments of the present invention and forming methods have been described with a full set of features, it is to be understood that the disclosed container and method of manufacture may be practiced successfully without the incorporation of each of those features. The scope of the present invention is not limited only to the tamper-resistant/evident containers and methods of manufacture disclosed herein. Thus, it is to be understood that modifications and variations may be utilized without departure from the spirit and scope of the invention and method disclosed herein, as those skilled in the art will readily understand. Such modifications and variations are considered to be within the purview and scope of the appended claims and their equivalents.
Claims (22)
Priority Applications (8)
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US14/310,965 US9527640B2 (en) | 2003-07-21 | 2014-06-20 | Methods of manufacturing tamper-resistant and tamper evident containers |
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US14/869,868 US11530079B2 (en) | 2003-07-21 | 2015-09-29 | Tamper-resistant and tamper-evident containers |
US18/084,347 US20230133280A1 (en) | 2003-07-21 | 2022-12-19 | Tamper-Resistant and Tamper-Evident Containers |
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US14/869,868 Active US11530079B2 (en) | 2003-07-21 | 2015-09-29 | Tamper-resistant and tamper-evident containers |
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Also Published As
Publication number | Publication date |
---|---|
WO2008008343A3 (en) | 2008-11-13 |
US20140300034A1 (en) | 2014-10-09 |
WO2008008343A2 (en) | 2008-01-17 |
US11530079B2 (en) | 2022-12-20 |
US20080087669A2 (en) | 2008-04-17 |
US20140367383A1 (en) | 2014-12-18 |
US9630756B2 (en) | 2017-04-25 |
US20160016707A1 (en) | 2016-01-21 |
US20110175261A1 (en) | 2011-07-21 |
US9527640B2 (en) | 2016-12-27 |
US8795580B2 (en) | 2014-08-05 |
US20140069922A1 (en) | 2014-03-13 |
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Owner name: INLINE PLASTICS CORP., CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOBACK PETER;SELLARI, ROBERT;STEIN, BRUCE;AND OTHERS;REEL/FRAME:018170/0101;SIGNING DATES FROM 20060821 TO 20060824 Owner name: INLINE PLASTICS CORP., CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOBACK, PETER;SELLARI, ROBERT;STEIN, BRUCE;AND OTHERS;REEL/FRAME:018170/0315;SIGNING DATES FROM 20060821 TO 20060824 Owner name: INLINE PLASTICS CORP., CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOBACK, PETER;SELLARI, ROBERT;STEIN, BRUCE;AND OTHERS;SIGNING DATES FROM 20060821 TO 20060824;REEL/FRAME:018170/0315 Owner name: INLINE PLASTICS CORP., CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOBACK PETER;SELLARI, ROBERT;STEIN, BRUCE;AND OTHERS;SIGNING DATES FROM 20060821 TO 20060824;REEL/FRAME:018170/0101 |
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