CA2106775C - Liquid dispenser assembly with adaptor - Google Patents
Liquid dispenser assembly with adaptorInfo
- Publication number
- CA2106775C CA2106775C CA002106775A CA2106775A CA2106775C CA 2106775 C CA2106775 C CA 2106775C CA 002106775 A CA002106775 A CA 002106775A CA 2106775 A CA2106775 A CA 2106775A CA 2106775 C CA2106775 C CA 2106775C
- Authority
- CA
- Canada
- Prior art keywords
- adaptor
- dispenser
- container
- conduit
- assembly
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0426—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with a pump attached to the spray gun or discharge device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1045—Sealing or attachment arrangements between pump and container the pump being preassembled as an independent unit before being mounted on the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0008—Sealing or attachment arrangements between sprayer and container
- B05B11/001—Snap-on-twist-off type connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1009—Piston pumps actuated by a lever
- B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/30—Dip tubes
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
A dispenser assembly (10) for dispensing liquid from a container (20, 132) has a dispenser (12, 140) operable remotely from the container (20, 132) by way of tube (16, 112) communicating the dispenser (12, 140) and the liquid within the container (20, 132). The dispenser assembly (10) has a hand-held dispenser (12, 140) and a tube (16, 112) connected to the dispenser (12; 140) for extension into the liquid within the container (20, 132). The dispenser (12, 140) is operable to dispense liquid from the container (20, 132) by way of the tube (16, 112). An adaptor (50, 100, 121) is secured to the container (20, 132) with the tube (16, 112) operable for extending from the dispenser (12, 140) through the adaptor (50, 100, 121) and into the container (20, 132).
With the dispenser (12, 140) disconnected from the adaptor (50, 100, 121) and with the adaptor (50, 100, 121) secured to the container (20, 132), the dispenser (12, 140) may be operated remotely from the container (20, 132) to dispense the liquid from the container (20, 132).
With the dispenser (12, 140) disconnected from the adaptor (50, 100, 121) and with the adaptor (50, 100, 121) secured to the container (20, 132), the dispenser (12, 140) may be operated remotely from the container (20, 132) to dispense the liquid from the container (20, 132).
Description
t P
PATENT
LI UID DISPENSER ASSEMBLY~WITH ADAPTOR
Backcxround and Summary of Invention This invention relates to a liquid dispenser assembly, and particularly such an assembly for use with a liquid container and where the dispenser is operated remotely from th.e container. A tube connects the dispen-ser with the container for feeding the liquid to the dispenser. The present invention is an improvement over remotely operated dispensers of the type described above, and further includes a unique adaptor secured to the container and to which the dispenser may be connected for sale and storage and disconnected for remote operation.
Liquid d:Lspenser assemblies of the type to which this invention is generally directed are well-known in the art. The dispenser assembly shown in Figure 1 of the drawing is typical of the prior art. The dispenser as-sembly 10 of the prior art includes a trigger sprayer 12 2147?~~ 2 having a neck portion 13, a handle portion 14 and a tube 16. The trigger dispenser 12 is of the type well-known in the art and which is operable by means of a trigger 18 to pump liquid l:rom a suitable container, such as con-s tainer 20, and out a nozzle and orifice cap 22 of the dispenser. The cap 22 may be fixed or may be adjustable to provide a variety of spray patterns, all of which is well-known. The' dispenser assembly 10 also includes a threaded closurs~ 24 to connect the handle portion to the neck portion of the dispenser.
The container 20 is of a type typically found in retail stores and may be of plastic and have a threaded neck 30 and handle portion 32 for carrying and holding the container. When the container and dispenser assembly are packaged for retail sale in the stores, the container has a threaded cap 34 with a hole 36 in the top. A gas-ket 38 is located between the cap and the threaded neck 30 of the bottles to seal the opening and prevent the liquid within the bottle from spilling. When packaged for sale in the store, typically the dispenser assembly, including the trigger sprayer 12, portion 14, and tube 16, are packaged. in a sealed plastic bag. The bag has a hole so that the bag containing the dispenser assembly may be hung over the neck 30 of the container with the cap 34 extending through the hole. To use the prior art assembly of Figure 1, the user removes the plastic bag from the container, and removes the dispenser assembly from the plastic bag. The user then inserts the end of the tube 16 through the hole 36 and pierces the gasket 38, thus inserting the tube into the liquid within the container. The user holds the container with one hand while operating the trigger sprayer with the other to .
pump the liquid from the container and out the dispenser.
The container and dispenser assembly of Figure 1 typical-ly are used to dispense products such as insecticides, herbicides, and the like.
There are several disadvantages associated with the container and dispenser assembly of Figure 1. Once the gasket is pierced, if the container is tipped over during use, the liquid within the container will leak between the tube and gasket and between the tube and opening 36. Another disadvantage is that the dispenser assembly is awkward to store and there is no provision for sealing the container. Still another disadvantage is that the plastic bags containing the dispenser assemblies frequently become separated from the containers in the retail store creating customer confusion and annoyance.
The present invention overcomes these problems.
In accordance with the present invention, there is provided an adaptor that is secured to the neck portion of the container. While the adaptor may be disconnected from the container, it remains connected to it when sold in the stores, when in use, and when the dispenser is stored during non-use. The dispenser and adaptor have means for connecting the dispenser and adaptor together with the tube extending from the dispenser, through the adaptor, and into the container. The dispenser may be disconnected from the adaptor while the adaptor remains secured to the container, for operation of the dispenser remotely from the container. The tube extends through the adaptor in sealing engagement therewith to prevent liquid from entering the interior of the adaptor. Thus, the interior of the adaptor remains dry and sealed from the liquid. When the dispenser assembly is connected to the adaptor, the handle portion of the dispenser extends into the interior of the adaptor and remains dry and out of contact with the liquid. In use where the dispenser is disconnected from the adaptor and operated remotely, the adaptor remains secured to the container to provide a seal against spilling.
In one preferred embodiment of the invention, the adaptor has a chamber therein. The tube has a preformed 2~.06'~75 coil portion housed within the chamber with the dispenser and adaptor connected. The coil portion extends upon disconnecting the dispenser from the adaptor for remote operation of the dispenser. This embodiment has the advantage that the exterior surface of the preformed coiled tube portion which may come in contact with the user during use, is protected from the liquid, it being housed within the adaptor chamber.
These and other advantages of the invention are apparent from the drawing and detailed description to follow.
escription of the Drawings Figure 1 shows a dispenser assembly and container of the prior art.
Figure 2 is a side elevational view of a liquid dispenser assembly with adaptor of the present invention shown with the dispenser assembly connected to the adap-tor for sale in the stores or storage.
Figure 3 shows the dispenser assembly of Figure 2 but with the dispenser assembly disconnected from the adaptor for use by remote operation of the dispenser assembly.
Figure 4 is a view in partial section of the dispenser assembly and adaptor of Figure 2 shown with the dispenser assembly connected to the adaptor.
Figure 5 is a view similar to Figure 2 but showing another preferred embodiment of the invention.
Figure 6 is a view showing the embodiment of Figure 5 but with the dispenser assembly disconnected from the adaptor for use by remote operation of the dis-penser.
Figure 7 is a view in partial section of the dispenser assembly and adaptor of Figure 5.
Figure 8 is a view similar to Figures 2 and 5 but showing still another preferred embodiment of the present invention.
PATENT
LI UID DISPENSER ASSEMBLY~WITH ADAPTOR
Backcxround and Summary of Invention This invention relates to a liquid dispenser assembly, and particularly such an assembly for use with a liquid container and where the dispenser is operated remotely from th.e container. A tube connects the dispen-ser with the container for feeding the liquid to the dispenser. The present invention is an improvement over remotely operated dispensers of the type described above, and further includes a unique adaptor secured to the container and to which the dispenser may be connected for sale and storage and disconnected for remote operation.
Liquid d:Lspenser assemblies of the type to which this invention is generally directed are well-known in the art. The dispenser assembly shown in Figure 1 of the drawing is typical of the prior art. The dispenser as-sembly 10 of the prior art includes a trigger sprayer 12 2147?~~ 2 having a neck portion 13, a handle portion 14 and a tube 16. The trigger dispenser 12 is of the type well-known in the art and which is operable by means of a trigger 18 to pump liquid l:rom a suitable container, such as con-s tainer 20, and out a nozzle and orifice cap 22 of the dispenser. The cap 22 may be fixed or may be adjustable to provide a variety of spray patterns, all of which is well-known. The' dispenser assembly 10 also includes a threaded closurs~ 24 to connect the handle portion to the neck portion of the dispenser.
The container 20 is of a type typically found in retail stores and may be of plastic and have a threaded neck 30 and handle portion 32 for carrying and holding the container. When the container and dispenser assembly are packaged for retail sale in the stores, the container has a threaded cap 34 with a hole 36 in the top. A gas-ket 38 is located between the cap and the threaded neck 30 of the bottles to seal the opening and prevent the liquid within the bottle from spilling. When packaged for sale in the store, typically the dispenser assembly, including the trigger sprayer 12, portion 14, and tube 16, are packaged. in a sealed plastic bag. The bag has a hole so that the bag containing the dispenser assembly may be hung over the neck 30 of the container with the cap 34 extending through the hole. To use the prior art assembly of Figure 1, the user removes the plastic bag from the container, and removes the dispenser assembly from the plastic bag. The user then inserts the end of the tube 16 through the hole 36 and pierces the gasket 38, thus inserting the tube into the liquid within the container. The user holds the container with one hand while operating the trigger sprayer with the other to .
pump the liquid from the container and out the dispenser.
The container and dispenser assembly of Figure 1 typical-ly are used to dispense products such as insecticides, herbicides, and the like.
There are several disadvantages associated with the container and dispenser assembly of Figure 1. Once the gasket is pierced, if the container is tipped over during use, the liquid within the container will leak between the tube and gasket and between the tube and opening 36. Another disadvantage is that the dispenser assembly is awkward to store and there is no provision for sealing the container. Still another disadvantage is that the plastic bags containing the dispenser assemblies frequently become separated from the containers in the retail store creating customer confusion and annoyance.
The present invention overcomes these problems.
In accordance with the present invention, there is provided an adaptor that is secured to the neck portion of the container. While the adaptor may be disconnected from the container, it remains connected to it when sold in the stores, when in use, and when the dispenser is stored during non-use. The dispenser and adaptor have means for connecting the dispenser and adaptor together with the tube extending from the dispenser, through the adaptor, and into the container. The dispenser may be disconnected from the adaptor while the adaptor remains secured to the container, for operation of the dispenser remotely from the container. The tube extends through the adaptor in sealing engagement therewith to prevent liquid from entering the interior of the adaptor. Thus, the interior of the adaptor remains dry and sealed from the liquid. When the dispenser assembly is connected to the adaptor, the handle portion of the dispenser extends into the interior of the adaptor and remains dry and out of contact with the liquid. In use where the dispenser is disconnected from the adaptor and operated remotely, the adaptor remains secured to the container to provide a seal against spilling.
In one preferred embodiment of the invention, the adaptor has a chamber therein. The tube has a preformed 2~.06'~75 coil portion housed within the chamber with the dispenser and adaptor connected. The coil portion extends upon disconnecting the dispenser from the adaptor for remote operation of the dispenser. This embodiment has the advantage that the exterior surface of the preformed coiled tube portion which may come in contact with the user during use, is protected from the liquid, it being housed within the adaptor chamber.
These and other advantages of the invention are apparent from the drawing and detailed description to follow.
escription of the Drawings Figure 1 shows a dispenser assembly and container of the prior art.
Figure 2 is a side elevational view of a liquid dispenser assembly with adaptor of the present invention shown with the dispenser assembly connected to the adap-tor for sale in the stores or storage.
Figure 3 shows the dispenser assembly of Figure 2 but with the dispenser assembly disconnected from the adaptor for use by remote operation of the dispenser assembly.
Figure 4 is a view in partial section of the dispenser assembly and adaptor of Figure 2 shown with the dispenser assembly connected to the adaptor.
Figure 5 is a view similar to Figure 2 but showing another preferred embodiment of the invention.
Figure 6 is a view showing the embodiment of Figure 5 but with the dispenser assembly disconnected from the adaptor for use by remote operation of the dis-penser.
Figure 7 is a view in partial section of the dispenser assembly and adaptor of Figure 5.
Figure 8 is a view similar to Figures 2 and 5 but showing still another preferred embodiment of the present invention.
z~ os~ ~5 Figure St is a view in partial section of the dispenser assembly and adaptor of Figure 8.
Figure 1.0 is a section view taken along the line 10-10 of Figure 9.
5 Figure 1.1 is a front elevation view of the valve case of Figure !9.
Figure 12 is an exploded view, showing a side elevation of the valve case in partial section and show-ing the adaptor partly broken away.
Detailed Descr.~~tion of Preferred Embodiments With reference to the drawing; one preferred embodiment of the liquid dispenser assembly with adaptor of the present invention is shown in Figures 2-4. Gener-ally, the dispenser assembly is the same as shown in Figure 1 except that the closure 24 has an outwardly extending shoulder 40 and an internally threaded ring portion 42 depending therefrom. The container 20 is also the same but does not include the cap 34 or gasket 38 as these are not used with the present invention. An adap-for 50 is generally cup-shaped and has a cylindrical tubular portion 52 and a bottom 54 with a central opening 56 therethrough. At the top of the cylindrical portion 52 is a shoulder 58 with a ring portion 60 depending therefrom. The ring portion 60 has internal threads 62 that mate with t:he threaded neck 30 of the container.
Extending upwardly from the shoulder 58 is an externally threaded ring 69~. The threads of the ring 64 mate with those of the threaded ring 42 of closure 24 of the dis-penser assembly. ' The tube 16 is connected within the neck and handle portions of the dispenser. The upper end of the tube is connected to a fitting 70 such that liquid pumped through the tube is fed through suitable passages within the trigger dispenser as is well-known in the art. The tube is further supported at the lower end of the handle portion by means of a bracket 72 and an extended cylin-drical portion 74 to provide sealing engagement between the tube and the lower end of the handle portion. The tube 16 fits within the opening 56 at the bottom of the adaptor. The opening is somewhat undersized to provide a tight-fit engagement while allowing the tube to be pushed and pulled through the opening. The tube is preferably of plastic and is flexible and somewhat forgiving to allow the tube to be pushed and pulled through the open-ing and yet provide a liquid-tight seal.
The dispenser assembly and container of Figures 2-4 are sold in the retail stores with the adaptor secured to the container and with the dispenser assembly con-nected to the adaptor as shown in Figures 2 and 4. There is little or no likelihood of the dispenser assembly becoming inadvertently separated from the container as frequently occurred with the prior art arrangement.
To use the dispenser assembly, the dispenser assembly is disconnected from the adaptor, leaving the adaptor secured to the container. The tube is pulled from the container through the opening 56 while leaving a sufficient length of tube extending into the liquid as shown in Figure 3. Typically, the user operates the dispenser assembly by holding the container in one hand while remotely operating the dispenser with the other to pump liquid from the container and through the nozzle and cap 22 of the dispenser. Preferably, a retainer clip 80 is secured to the tube to act as a stop so that the user does not inadvertently pull all of the tube from the container, but instead leaves a sufficient length of tube within the liquid as shown in Figure 3.
To store the dispenser assembly and container after use, the tube is pushed back through the opening 56 and into the container, and the dispenser assembly is again connected to the adaptor by screwing the closure 24 onto the threaded ring 64 of the adaptor. The assembly is sealed against leakage both while in use and storage.
Another preferred embodiment of the invention is shown in Figures 5-7. This embodiment is the same as the one shown in Figures 2-4 except as will be explained.
The sprayer assembly of this embodiment also has a handle portion 90 similar to the handle portion 14 of the embodiment of Figures 2-4, but is somewhat shorter. The dispenser assembly of this embodiment also has an adaptor 100 similar to the adaptor 50 of the previous embodiment but is substantially longer. The dispenser assembly of this embodiment also has a tube 110 similar to the tube 16 of the previous embodiment except that it has a pre-formed coil portion 112 housed within a chamber 114 with-in the adaptor, the chamber being defined within the adaptor beneath the handle portion 90 of the dispenser.
The upper end of the tube extends into the handle and neck portions of the dispenser and is secured thereto as with the first described embodiment. Also as with the first described embodiment, the tube extends in a tight-fit engagement through an opening at the bottom of the adaptor.
The operation and use of the dispenser assembly and adaptor of this embodiment is similar to that of the first described embodiment, except that when the dispen-ser assembly is disconnected from the adaptor for remote operation of the dispenser, the preformed coil portion 112 of the tube extends as shown in Figure 6, rather than the tube being pulled through the opening at the bottom of the adaptor as with the first described embodiment.
To place the dispenser assembly back in its stored posi-tion, the preformed coil portion is allowed to collapse as in Figures 5 and 7 to be housed in the chamber 114 with the dispenser assembly connected to the adaptor.
The primary advantage of this embodiment is that the lower portion of the tube in contact with the liquid is z~os~ r~
_ 8 never pulled from the container where it might contact the user, and the portions of the tube that are contacted by the user always remain segregated from the liquid.
Still another preferred embodiment of the present invention is shown in Figures 8-12. Generally, this embodiment is the same as the one shown in Figures 5-7 except as will be explained.
The dispenser assembly of this embodiment has a valve case 120 which is integrally molded as one-piece, and which performs the functions of the handle portion 90, the threaded closure 24, and the fitting 70 of Figure 7. The valve case 120 includes an inverted-cup shaped portion 121 that defines a central cavity 122. The ring portion 42 of this valve case 120, as better shown in Figures 11 and 12, is formed with opposite inwardly pro-jecting tabs 124.
The dispenser assembly of this embodiment also has an adaptor 126 similar to the adaptor 100 of Figure 7 except that the adaptor 126 is shorter, and the shoulder 58 does not include the depending'ring portion 60. As better shown in Figure 12, the adaptor 126 has the top portion 64 formed with bayonet-type provisions 12B which mate with the tabs 124 of the valve case 120. The adap-tor 126 includes a collar 130 that is rotatably mounted on the shoulder 58 and has internal threads that mate with the threaded neck 30 of the container. The adaptor 126 has a vent 131.
This embodiment of the present invention includes a container 132 similar to the container 20 of Figures 1 7 except that this container 132 has a crown portion 134 that extends at least to the top of the dispensing assem-bly, as shown in Figure 8, and preferably somewhat above the top. Also, the container 132 has the handle portion 32 sloped as shown in Figure 8. The container 132 is provided with the sloping handle portion 32 so that when the container is carried and liquid is in the container, the liquid will settle in the opposite bottom corner where the inlet to the dip tube 110 is located. This insures that du~_ing use, while the container is held in one hand and the sprayer in the other, the inlet to the dip tube 110 wi:Ll be below the liquid level, even when the liquid leve:L is drawn low. The crown portion 134 extends as high as or higher than the top of the dispens-ing head 140 to act as protection during shipment, stor-age, and the like. The crown portion 134 is located toward the vertical center of the container so that the container and ita liquid contents will balance it upside down.
The dispensing assembly of this embodiment has a dispensing head 140. Both the dispensing head 140 and the trigger dispenser 12 are well-known in the art.
Although the di:cpensing head 140 is more particularly shown here, it i.s merely representative of pump sprayers in general, and it is to be understood that there are many variations of dispensers that may be used with this invention, dispensers 12 and 140 being only examples.
The disp~ansing head 140 is an operable assembly which includes a~ housing 142, a trigger 144, a plunger 146, a spring 198, a spinner assembly 150, and the nozzle and orifice cap 22. The housing 142 is a molded piece that defines several chambers, including a vertical cham-ber 152, a horizontal chamber 154, a piston chamber 156 and a vent cham~~er 158 reciprocally receiving a vent pis-ton 160. The wall of the vent chamber has a vent opening 162 which (with the vent opening 131) vents the container when the vent piston'is retracted (moves to the left as viewed in Figure 9) upon pulling the trigger 144. The fitting end 70 of the valve case 120 is press fitted into the vertical chamber 152. The trigger 144 has its upper end pivotally supported by the housing 142 by means of oppositely extending lugs (not shown, but which extend into and out of the view of Figure 9) which pivot within 2~ os~ ~5-recesses in spaced side panels of the housing 142. Manu-ally operating the trigger 144 causes the pumping of liquid through the tube from the container for ejection out the nozzle and orifice cap 22, as is well-known in 5 the art.
With the bayonet-type connection between the valve case 120 and the adaptor 126, the valve case 120 can either be snapped directly onto the adaptor 126, or con-nected by orienting the dispensing head 140 at 90° to the 10 container crown 134 and then rotating the dispensing head 140 a quarter turn until the dispensing head 140 is aligned with the container crown 134 as shown in Figure 8. The dispensing head 140 is mounted to the container 132 in the proper orientation by virtue of the adjust-ability provided by the collar 130. Thereafter, the dispensing head 140 is connected and disconnected to the adaptor 126 by means of the bayonet connection so that the dispensing head 140 is easily oriented to the same position for storage. The bayonet provisions 128 of the adaptor 126 and the threads of the collar 130 tighten in opposite directions so that rotation of the tabs 124 to disconnect the dispensing head 140 tends to tighten the collar 130 onto the threaded neck 30. The collar 130 and neck 30 may also be adapted to be connected with bayonet type provisions, but preferably at least the valve case 120 and adaptor 126 connect by bayonet type connections for ease and orienting the dispensing head 140.
The operation and use of the dispenser assembly and adaptor 126 of Figures 8-12 are similar to that of the embodiment of Figures 5-7, except that the cavity 122 of the valve case 120 cooperates with the chamber 114 of the adaptor 126 for housing the preformed coils 112 of the tube, as shown in Figures 9 and 10.
While the present invention has been described by reference to specific embodiments, it should be under-stood that modifications and variations of the invention m may be construci:ed without departing from the scope of the invention defined in the following claims.
Figure 1.0 is a section view taken along the line 10-10 of Figure 9.
5 Figure 1.1 is a front elevation view of the valve case of Figure !9.
Figure 12 is an exploded view, showing a side elevation of the valve case in partial section and show-ing the adaptor partly broken away.
Detailed Descr.~~tion of Preferred Embodiments With reference to the drawing; one preferred embodiment of the liquid dispenser assembly with adaptor of the present invention is shown in Figures 2-4. Gener-ally, the dispenser assembly is the same as shown in Figure 1 except that the closure 24 has an outwardly extending shoulder 40 and an internally threaded ring portion 42 depending therefrom. The container 20 is also the same but does not include the cap 34 or gasket 38 as these are not used with the present invention. An adap-for 50 is generally cup-shaped and has a cylindrical tubular portion 52 and a bottom 54 with a central opening 56 therethrough. At the top of the cylindrical portion 52 is a shoulder 58 with a ring portion 60 depending therefrom. The ring portion 60 has internal threads 62 that mate with t:he threaded neck 30 of the container.
Extending upwardly from the shoulder 58 is an externally threaded ring 69~. The threads of the ring 64 mate with those of the threaded ring 42 of closure 24 of the dis-penser assembly. ' The tube 16 is connected within the neck and handle portions of the dispenser. The upper end of the tube is connected to a fitting 70 such that liquid pumped through the tube is fed through suitable passages within the trigger dispenser as is well-known in the art. The tube is further supported at the lower end of the handle portion by means of a bracket 72 and an extended cylin-drical portion 74 to provide sealing engagement between the tube and the lower end of the handle portion. The tube 16 fits within the opening 56 at the bottom of the adaptor. The opening is somewhat undersized to provide a tight-fit engagement while allowing the tube to be pushed and pulled through the opening. The tube is preferably of plastic and is flexible and somewhat forgiving to allow the tube to be pushed and pulled through the open-ing and yet provide a liquid-tight seal.
The dispenser assembly and container of Figures 2-4 are sold in the retail stores with the adaptor secured to the container and with the dispenser assembly con-nected to the adaptor as shown in Figures 2 and 4. There is little or no likelihood of the dispenser assembly becoming inadvertently separated from the container as frequently occurred with the prior art arrangement.
To use the dispenser assembly, the dispenser assembly is disconnected from the adaptor, leaving the adaptor secured to the container. The tube is pulled from the container through the opening 56 while leaving a sufficient length of tube extending into the liquid as shown in Figure 3. Typically, the user operates the dispenser assembly by holding the container in one hand while remotely operating the dispenser with the other to pump liquid from the container and through the nozzle and cap 22 of the dispenser. Preferably, a retainer clip 80 is secured to the tube to act as a stop so that the user does not inadvertently pull all of the tube from the container, but instead leaves a sufficient length of tube within the liquid as shown in Figure 3.
To store the dispenser assembly and container after use, the tube is pushed back through the opening 56 and into the container, and the dispenser assembly is again connected to the adaptor by screwing the closure 24 onto the threaded ring 64 of the adaptor. The assembly is sealed against leakage both while in use and storage.
Another preferred embodiment of the invention is shown in Figures 5-7. This embodiment is the same as the one shown in Figures 2-4 except as will be explained.
The sprayer assembly of this embodiment also has a handle portion 90 similar to the handle portion 14 of the embodiment of Figures 2-4, but is somewhat shorter. The dispenser assembly of this embodiment also has an adaptor 100 similar to the adaptor 50 of the previous embodiment but is substantially longer. The dispenser assembly of this embodiment also has a tube 110 similar to the tube 16 of the previous embodiment except that it has a pre-formed coil portion 112 housed within a chamber 114 with-in the adaptor, the chamber being defined within the adaptor beneath the handle portion 90 of the dispenser.
The upper end of the tube extends into the handle and neck portions of the dispenser and is secured thereto as with the first described embodiment. Also as with the first described embodiment, the tube extends in a tight-fit engagement through an opening at the bottom of the adaptor.
The operation and use of the dispenser assembly and adaptor of this embodiment is similar to that of the first described embodiment, except that when the dispen-ser assembly is disconnected from the adaptor for remote operation of the dispenser, the preformed coil portion 112 of the tube extends as shown in Figure 6, rather than the tube being pulled through the opening at the bottom of the adaptor as with the first described embodiment.
To place the dispenser assembly back in its stored posi-tion, the preformed coil portion is allowed to collapse as in Figures 5 and 7 to be housed in the chamber 114 with the dispenser assembly connected to the adaptor.
The primary advantage of this embodiment is that the lower portion of the tube in contact with the liquid is z~os~ r~
_ 8 never pulled from the container where it might contact the user, and the portions of the tube that are contacted by the user always remain segregated from the liquid.
Still another preferred embodiment of the present invention is shown in Figures 8-12. Generally, this embodiment is the same as the one shown in Figures 5-7 except as will be explained.
The dispenser assembly of this embodiment has a valve case 120 which is integrally molded as one-piece, and which performs the functions of the handle portion 90, the threaded closure 24, and the fitting 70 of Figure 7. The valve case 120 includes an inverted-cup shaped portion 121 that defines a central cavity 122. The ring portion 42 of this valve case 120, as better shown in Figures 11 and 12, is formed with opposite inwardly pro-jecting tabs 124.
The dispenser assembly of this embodiment also has an adaptor 126 similar to the adaptor 100 of Figure 7 except that the adaptor 126 is shorter, and the shoulder 58 does not include the depending'ring portion 60. As better shown in Figure 12, the adaptor 126 has the top portion 64 formed with bayonet-type provisions 12B which mate with the tabs 124 of the valve case 120. The adap-tor 126 includes a collar 130 that is rotatably mounted on the shoulder 58 and has internal threads that mate with the threaded neck 30 of the container. The adaptor 126 has a vent 131.
This embodiment of the present invention includes a container 132 similar to the container 20 of Figures 1 7 except that this container 132 has a crown portion 134 that extends at least to the top of the dispensing assem-bly, as shown in Figure 8, and preferably somewhat above the top. Also, the container 132 has the handle portion 32 sloped as shown in Figure 8. The container 132 is provided with the sloping handle portion 32 so that when the container is carried and liquid is in the container, the liquid will settle in the opposite bottom corner where the inlet to the dip tube 110 is located. This insures that du~_ing use, while the container is held in one hand and the sprayer in the other, the inlet to the dip tube 110 wi:Ll be below the liquid level, even when the liquid leve:L is drawn low. The crown portion 134 extends as high as or higher than the top of the dispens-ing head 140 to act as protection during shipment, stor-age, and the like. The crown portion 134 is located toward the vertical center of the container so that the container and ita liquid contents will balance it upside down.
The dispensing assembly of this embodiment has a dispensing head 140. Both the dispensing head 140 and the trigger dispenser 12 are well-known in the art.
Although the di:cpensing head 140 is more particularly shown here, it i.s merely representative of pump sprayers in general, and it is to be understood that there are many variations of dispensers that may be used with this invention, dispensers 12 and 140 being only examples.
The disp~ansing head 140 is an operable assembly which includes a~ housing 142, a trigger 144, a plunger 146, a spring 198, a spinner assembly 150, and the nozzle and orifice cap 22. The housing 142 is a molded piece that defines several chambers, including a vertical cham-ber 152, a horizontal chamber 154, a piston chamber 156 and a vent cham~~er 158 reciprocally receiving a vent pis-ton 160. The wall of the vent chamber has a vent opening 162 which (with the vent opening 131) vents the container when the vent piston'is retracted (moves to the left as viewed in Figure 9) upon pulling the trigger 144. The fitting end 70 of the valve case 120 is press fitted into the vertical chamber 152. The trigger 144 has its upper end pivotally supported by the housing 142 by means of oppositely extending lugs (not shown, but which extend into and out of the view of Figure 9) which pivot within 2~ os~ ~5-recesses in spaced side panels of the housing 142. Manu-ally operating the trigger 144 causes the pumping of liquid through the tube from the container for ejection out the nozzle and orifice cap 22, as is well-known in 5 the art.
With the bayonet-type connection between the valve case 120 and the adaptor 126, the valve case 120 can either be snapped directly onto the adaptor 126, or con-nected by orienting the dispensing head 140 at 90° to the 10 container crown 134 and then rotating the dispensing head 140 a quarter turn until the dispensing head 140 is aligned with the container crown 134 as shown in Figure 8. The dispensing head 140 is mounted to the container 132 in the proper orientation by virtue of the adjust-ability provided by the collar 130. Thereafter, the dispensing head 140 is connected and disconnected to the adaptor 126 by means of the bayonet connection so that the dispensing head 140 is easily oriented to the same position for storage. The bayonet provisions 128 of the adaptor 126 and the threads of the collar 130 tighten in opposite directions so that rotation of the tabs 124 to disconnect the dispensing head 140 tends to tighten the collar 130 onto the threaded neck 30. The collar 130 and neck 30 may also be adapted to be connected with bayonet type provisions, but preferably at least the valve case 120 and adaptor 126 connect by bayonet type connections for ease and orienting the dispensing head 140.
The operation and use of the dispenser assembly and adaptor 126 of Figures 8-12 are similar to that of the embodiment of Figures 5-7, except that the cavity 122 of the valve case 120 cooperates with the chamber 114 of the adaptor 126 for housing the preformed coils 112 of the tube, as shown in Figures 9 and 10.
While the present invention has been described by reference to specific embodiments, it should be under-stood that modifications and variations of the invention m may be construci:ed without departing from the scope of the invention defined in the following claims.
Claims (18)
1. An assembly for dispensing liquid from a container holding liquid, the container having an opening providing access to the container interior, the assembly comprising:
a conduit for extension into the container, said conduit having a flexible portion;
a hand-held trigger dispenser having a handle portion configured for gripping of the handle portion by a person's hand, the dispenser being connected to the conduit and having a pump operable for drawing liquid from the container by way of the conduit when the conduit is extended into liquid held within the container; and an adaptor having a connector for releasably fastening the adaptor to the container at the container opening and the adaptor having a portion extending into the interior of the container when the adaptor is fastened to the container at the opening;
the dispenser and adaptor having connectors releasably fastening the dispenser to the adaptor with the conduit extending from the dispenser through the adaptor and into the container when the adaptor is fastened to the container, the conduit flexible portion providing extension upon disconnecting the dispenser from the adaptor for remote operation of the dispenser from the adaptor;
whereby, the fastening of the dispenser, adaptor and container together provides a stationary attachment of the dispenser relative to the container.
a conduit for extension into the container, said conduit having a flexible portion;
a hand-held trigger dispenser having a handle portion configured for gripping of the handle portion by a person's hand, the dispenser being connected to the conduit and having a pump operable for drawing liquid from the container by way of the conduit when the conduit is extended into liquid held within the container; and an adaptor having a connector for releasably fastening the adaptor to the container at the container opening and the adaptor having a portion extending into the interior of the container when the adaptor is fastened to the container at the opening;
the dispenser and adaptor having connectors releasably fastening the dispenser to the adaptor with the conduit extending from the dispenser through the adaptor and into the container when the adaptor is fastened to the container, the conduit flexible portion providing extension upon disconnecting the dispenser from the adaptor for remote operation of the dispenser from the adaptor;
whereby, the fastening of the dispenser, adaptor and container together provides a stationary attachment of the dispenser relative to the container.
2. The assembly of claim 1 wherein:
the dispenser has a portion extending within the adaptor.
the dispenser has a portion extending within the adaptor.
3. The assembly of claim 2 wherein:
the dispenser portion extends within the adaptor and within the container when the adaptor is fastened to the container at the opening.
the dispenser portion extends within the adaptor and within the container when the adaptor is fastened to the container at the opening.
4. The assembly of claim 1 wherein:
said assembly further comprises a stop for limiting the extent to which the conduit may be extracted from the container for remote operation of the dispenser when the adaptor is fastened to the container at the opening.
said assembly further comprises a stop for limiting the extent to which the conduit may be extracted from the container for remote operation of the dispenser when the adaptor is fastened to the container at the opening.
5. The assembly of claim 4 wherein:
the stop includes a collar surrounding the conduit, the collar is sized to prevent passage of the collar through the adaptor.
the stop includes a collar surrounding the conduit, the collar is sized to prevent passage of the collar through the adaptor.
6. The assembly of claim 1 wherein:
the adaptor has a tubular portion with a hollow interior, and the handle portion of the dispenser extends at least partially into the interior of the tubular portion of the adaptor with the dispenser fastened to the adaptor.
the adaptor has a tubular portion with a hollow interior, and the handle portion of the dispenser extends at least partially into the interior of the tubular portion of the adaptor with the dispenser fastened to the adaptor.
7. The assembly of claim 6 wherein:
the tubular portion of the adaptor and handle portion of the dispenser extend at least partially into the container when the adaptor is inserted into the container opening and is fastened to the container and the dispenser is fastened on the adaptor.
the tubular portion of the adaptor and handle portion of the dispenser extend at least partially into the container when the adaptor is inserted into the container opening and is fastened to the container and the dispenser is fastened on the adaptor.
8. The assembly of claim 1, wherein:
the adaptor has a chamber therein, and the conduit has a preformed coil portion housed within the chamber with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
the adaptor has a chamber therein, and the conduit has a preformed coil portion housed within the chamber with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
9. The assembly of claim 1, wherein:
the conduit extends through the adaptor in sealing engagement therewith.
the conduit extends through the adaptor in sealing engagement therewith.
10. An assembly for dispensing liquid from a container holding liquid, the container having an opening providing access to the container interior, the assembly comprising:
a conduit for extension into the container, said conduit having a flexible portion;
a hand-held dispenser connected to the conduit and having a pump operable for drawing liquid from the container by way of the conduit when the conduit is extended into liquid held within the container;
an adaptor having a connector for releasably fastening the adaptor to the container at the container opening and the adaptor having a portion extending into the interior of the container when the adaptor is fastened to the container at the opening;
the dispenser and adaptor having connectors releasably fastening the dispenser to the adaptor with the conduit extending from the dispenser through the adaptor and into the container when the adaptor is fastened to the container, the conduit flexible portion providing extension upon disconnecting the dispenser from the adaptor for remote operation of the dispenser from the adaptor;
whereby, the fastening of the dispenser, adaptor and container together provides a stationary attachment of the dispenser relative to the container, the hand-held dispenser has a handle portion, and the handle portion has a chamber therein;
the conduit has a preformed coil portion; and the adaptor has a chamber therein that cooperates with the chamber of the handle portion for housing the preformed coil portion with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
a conduit for extension into the container, said conduit having a flexible portion;
a hand-held dispenser connected to the conduit and having a pump operable for drawing liquid from the container by way of the conduit when the conduit is extended into liquid held within the container;
an adaptor having a connector for releasably fastening the adaptor to the container at the container opening and the adaptor having a portion extending into the interior of the container when the adaptor is fastened to the container at the opening;
the dispenser and adaptor having connectors releasably fastening the dispenser to the adaptor with the conduit extending from the dispenser through the adaptor and into the container when the adaptor is fastened to the container, the conduit flexible portion providing extension upon disconnecting the dispenser from the adaptor for remote operation of the dispenser from the adaptor;
whereby, the fastening of the dispenser, adaptor and container together provides a stationary attachment of the dispenser relative to the container, the hand-held dispenser has a handle portion, and the handle portion has a chamber therein;
the conduit has a preformed coil portion; and the adaptor has a chamber therein that cooperates with the chamber of the handle portion for housing the preformed coil portion with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
11. An assembly for dispensing a liquid substance from a container holding a liquid, the container having an interior, an opening to the interior, and the interior having a bottom, the assembly comprising:
an adaptor having a connector configured to fasten the adaptor to the container; and a trigger dispenser having a handle portion configured for gripping of the handle portion by a person's hand, and having a connector configured to releasably fasten the dispenser to the adaptor and a conduit extending from the dispenser and through the adaptor to a distal end of the conduit proximate to the bottom of the container interior both when the dispenser is fastened to the adaptor and when the dispenser is disconnected from the adaptor for remote operation of the dispenser.
an adaptor having a connector configured to fasten the adaptor to the container; and a trigger dispenser having a handle portion configured for gripping of the handle portion by a person's hand, and having a connector configured to releasably fasten the dispenser to the adaptor and a conduit extending from the dispenser and through the adaptor to a distal end of the conduit proximate to the bottom of the container interior both when the dispenser is fastened to the adaptor and when the dispenser is disconnected from the adaptor for remote operation of the dispenser.
12. The assembly of claim 11 wherein:
the adaptor has a hole through which the conduit is received for sliding frictional engagement of the conduit through the hole, tree sliding frictional engagement enabling the conduit to be withdrawn in a first direction through the hole and from the adaptor and also permitting the conduit to be threaded back into the adaptor in a second direction through the hole.
the adaptor has a hole through which the conduit is received for sliding frictional engagement of the conduit through the hole, tree sliding frictional engagement enabling the conduit to be withdrawn in a first direction through the hole and from the adaptor and also permitting the conduit to be threaded back into the adaptor in a second direction through the hole.
13. The assembly of claim 12 wherein:
the conduit includes a stop configured to maintain the conduit proximate the bottom of the container interior when the adaptor is fastened to the container.
the conduit includes a stop configured to maintain the conduit proximate the bottom of the container interior when the adaptor is fastened to the container.
14. The assembly of claim 13 wherein:
the stop includes a collar surrounding the conduit, the collar is sized to prevent passage of the collar through the adaptor hole.
the stop includes a collar surrounding the conduit, the collar is sized to prevent passage of the collar through the adaptor hole.
15. The assembly of claim 11 wherein:
the adaptor has a tubular portion with a hollow interior, and the handle portion of the dispenser extends at least partially into the interior of the tubular portion of the adaptor with the dispenser fastened to the adaptor.
the adaptor has a tubular portion with a hollow interior, and the handle portion of the dispenser extends at least partially into the interior of the tubular portion of the adaptor with the dispenser fastened to the adaptor.
16. The assembly of claim 15 wherein:
the tubular portion of the adaptor and handle portion of the dispenser extend at least partially into the container interior when the adaptor is inserted into the container opening and is fastened to the container and the dispenser is fastened to the adaptor.
the tubular portion of the adaptor and handle portion of the dispenser extend at least partially into the container interior when the adaptor is inserted into the container opening and is fastened to the container and the dispenser is fastened to the adaptor.
17. The assembly of claim 11 wherein:
the adaptor has a chamber therein, and the conduit has a preformed coil portion housed within the chamber with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
the adaptor has a chamber therein, and the conduit has a preformed coil portion housed within the chamber with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
18. An assembly for dispensing a liquid substance from a container holding a liquid, the container having an interior, an opening to the interior, and the interior having a bottom, the assembly comprising:
an adaptor having a connector configured to fasten the adaptor to the container;
a hand-held dispenser having a connector configured to releasably fasten the dispenser to the adaptor and a conduit extending from the dispenser and through the adaptor to a distal end of the conduit proximate to the bottom of the container interior both when the dispenser is fastened to the adaptor and when the dispenser is disconnected from the adaptor for remote operation of the dispenser, the hand-held dispenser has a remote portion, and the handle portion has a chamber therein;
the conduit has a preformed coil portion; and the adaptor has a chamber therein that cooperates with the chamber of the handle portion for housing the preformed coil portion with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
an adaptor having a connector configured to fasten the adaptor to the container;
a hand-held dispenser having a connector configured to releasably fasten the dispenser to the adaptor and a conduit extending from the dispenser and through the adaptor to a distal end of the conduit proximate to the bottom of the container interior both when the dispenser is fastened to the adaptor and when the dispenser is disconnected from the adaptor for remote operation of the dispenser, the hand-held dispenser has a remote portion, and the handle portion has a chamber therein;
the conduit has a preformed coil portion; and the adaptor has a chamber therein that cooperates with the chamber of the handle portion for housing the preformed coil portion with the dispenser fastened to the adaptor, the coil portion extending upon disconnecting the dispenser from the adaptor for remote operation of the dispenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002258835A CA2258835A1 (en) | 1992-01-31 | 1993-01-29 | Liquid dispenser assembly with adaptor |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82975992A | 1992-01-31 | 1992-01-31 | |
| US829,759 | 1992-01-31 | ||
| US98487692A | 1992-12-02 | 1992-12-02 | |
| US984,876 | 1992-12-02 | ||
| PCT/US1993/000899 WO1993014983A1 (en) | 1992-01-31 | 1993-01-29 | Liquid dispenser assembly with adaptor |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002258835A Division CA2258835A1 (en) | 1992-01-31 | 1993-01-29 | Liquid dispenser assembly with adaptor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2106775A1 CA2106775A1 (en) | 1993-08-01 |
| CA2106775C true CA2106775C (en) | 1999-08-31 |
Family
ID=27125300
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002106775A Expired - Fee Related CA2106775C (en) | 1992-01-31 | 1993-01-29 | Liquid dispenser assembly with adaptor |
| CA002258835A Abandoned CA2258835A1 (en) | 1992-01-31 | 1993-01-29 | Liquid dispenser assembly with adaptor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002258835A Abandoned CA2258835A1 (en) | 1992-01-31 | 1993-01-29 | Liquid dispenser assembly with adaptor |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US5373973A (en) |
| EP (1) | EP0582701B1 (en) |
| JP (1) | JPH06506654A (en) |
| AU (1) | AU659930B2 (en) |
| CA (2) | CA2106775C (en) |
| DE (1) | DE69311769T2 (en) |
| WO (1) | WO1993014983A1 (en) |
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| US11633072B2 (en) | 2021-02-12 | 2023-04-25 | The Procter & Gamble Company | Multi-phase shampoo composition with an aesthetic design |
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-
1993
- 1993-01-29 CA CA002106775A patent/CA2106775C/en not_active Expired - Fee Related
- 1993-01-29 JP JP5513485A patent/JPH06506654A/en active Pending
- 1993-01-29 EP EP93904813A patent/EP0582701B1/en not_active Expired - Lifetime
- 1993-01-29 DE DE69311769T patent/DE69311769T2/en not_active Expired - Fee Related
- 1993-01-29 WO PCT/US1993/000899 patent/WO1993014983A1/en active IP Right Grant
- 1993-01-29 CA CA002258835A patent/CA2258835A1/en not_active Abandoned
- 1993-01-29 AU AU36045/93A patent/AU659930B2/en not_active Ceased
-
1994
- 1994-04-14 US US08/227,565 patent/US5373973A/en not_active Expired - Fee Related
- 1994-12-19 US US08/358,692 patent/US5485942A/en not_active Expired - Lifetime
-
1995
- 1995-05-23 US US08/447,727 patent/US5553750A/en not_active Expired - Lifetime
- 1995-06-01 US US08/456,674 patent/US5601211A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU3604593A (en) | 1993-09-01 |
| JPH06506654A (en) | 1994-07-28 |
| US5601211A (en) | 1997-02-11 |
| AU659930B2 (en) | 1995-06-01 |
| WO1993014983A1 (en) | 1993-08-05 |
| EP0582701A4 (en) | 1995-02-22 |
| EP0582701B1 (en) | 1997-06-25 |
| US5373973A (en) | 1994-12-20 |
| US5485942A (en) | 1996-01-23 |
| DE69311769D1 (en) | 1997-07-31 |
| EP0582701A1 (en) | 1994-02-16 |
| US5553750A (en) | 1996-09-10 |
| DE69311769T2 (en) | 1998-01-29 |
| CA2258835A1 (en) | 1993-08-01 |
| CA2106775A1 (en) | 1993-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20010129 |