Toothpaste dispenser

• US 4,508,239 A
• Filed: 03/01/1983
• Issued: 04/02/1985
• Est. Priority Date: 03/01/1983
• Status: Expired due to Fees

• Current Assignee: David L. Rozzen
• Original Assignee: David L. Rozzen
• Inventors: Rozzen, David L.
• Primary Examiner(s): Rolla, Joseph J.
• Assistant Examiner(s): Jones, Andrew
• Application Number:
  US06/471,052
• Time in Patent Office: 763 Days
• Field of Search: 222/95, 222/96, 222/386.5, 222/387, 222/105, 222/192, 222/325, 222/389, 222/399, 222/481.5, 222/481, 222/39, 222/505, 222/506, 222/129, 222/130, 222/131, 222/106
• US Class Current: 222/39
• CPC Class Codes: B65D 35/28 for expelling contents

Abstract

A tube of toothpaste is provided with an internal balloon or similar elastically expansable chamber near its far end, from which a slender inflation tube extends axially out of the neck and is communicated to the exterior of a cap. The cap includes a lateral projection provided with a push to close/pull to open captive closure-type valve. A valved source of compressed gas is communicated to the inflation tube. An actuator is linked both to the cap valve and to the compressed gas valve, so that as the cap valve is opened to dispense toothpaste, the compressed gas valve may be opened to pressurize and inflate the balloon within the tube. Thus the toothpaste reservoir is pressurized for dispensing. The compressed gas line to the inflation tube is provided with a safety valve incorporating a whistle. An appliance is provided housing and mounting the foregoing elements. It may also house and mount toothbrushes and include a floss dispenser.

Claims

1. Apparatus for dispensing toothpaste from an elongated container of toothpaste which includes a tubular neck at one end, said neck having a mouth, said apparatus comprising:

a stiff pressurization tube which is relatively slender compared to said neck and mouth;

an inflater head mounted on one end of said pressurization tube and having at least one outlet opening through which pressurized fluid injected into said pressurization tube may issue;

a balloon sleeved over said inflater head and having a balloon neck circumferentially sealed relative to the external periphery of said pressurization tube, so that as pressurized fluid issues from said at least one outlet opening of said inflater head, such pressurized fluid will pressurize and tend to inflate said balloon;

a dispenser cap for said container neck including cooperative securement means for securing said dispenser cap on said container neck;

said dispenser cap including an openable/closeable valve which, only when in an open condition, allows toothpaste to flow out through said mouth of said container neck, under motivation provided by superatmospheric pressure within said balloon due to pressurization of said balloon by injection of pressurized fluid thereinto via said pressurization tube and inflater when said balloon is disposed within said container on said inflater head;

said pressurization tube having an inlet end;

said dispenser cap including an opening having an annular gasket sealingly fitted therein;

said pressurization tube near said inlet end thereof being circumferentially sealingly received in said annular gasket so that said pressurization tube may be supplied with pressurized fluid through said inlet end from externally of the toothpaste container while said dispenser cap remains in place on said neck;

the dispenser cap including an internally threaded skirt as said cooperative securement means;

a tubular coaxial extension of said skirt, and an axially outer end wall;

a tubular side outlet communicating laterally through the tubular coaxial extension with the interior of the cap;

said openable/closeable valve being provided on said tubular side outlet distally of said tubular coaxial extension;

said opening of said dispenser cap in which said annular gasket is fitted being provided in said axially outer end wall of said dispenser cap;

said annular gasket further including an annular boss located externally of said outer end wall of said dispenser cap for facilitating connection of a source of pressurizing fluid to said inlet end of said pressurization tube from externally of said dispenser cap, said pressurization tube, from externally of said dispenser cap being constructed and arranged for connection with a source of pressurizing fluid.

2. The apparatus of claim 1, wherein:

said pressurization tube is of such a length that when said balloon, inflater head and pressurization tube are received in said container and said dispenser cap is mounted to said tubular neck, said balloon becomes disposed adjacent an opposite end of the container from said one end, prior to substantial inflation of said balloon.

3. The apparatus of claim 2, wherein:

said balloon is provided with a gradually decreasing wall thickness proceeding longitudinally of the balloon away from the balloon neck, so that the balloon upon pressurization tends to first inflate distally of the balloon neck and gradually towards the balloon neck.

4. The apparatus of claim 1, wherein:

said openable/closeable valve is constituted by a push-to-close/pull-to-open captive closure-type valve.

5. The apparatus of claim 1, wherein:

said dispenser cap further includes an annular flange projecting radially beyond said tubular coaxial extension and adapted to serve as a support shoulder for the container of toothpaste when such container is fitted with said apparatus and disposed in an inverted condition.

6. Apparatus for dispensing toothpaste, comprising:

an elongated container of toothpaste, said container including wall means defining a tubular neck at one end, said tubular neck having a mouth, and defining a closed end distally of said tubular neck;

a stiff pressurization tube which is relatively slender compared to said neck and mouth;

an inflater head mounted on one end of said pressurization tube and having at least one outlet opening through which pressurized fluid injected into said pressurization tube may issue;

a balloon sleeved over said inflater head and having a balloon neck circumferentially sealed relative to the external periphery of said pressurization tube, so that as pressurized fluid issues from said at least one outlet opening of said inflater head, such pressurized fluid will pressurize and tend to inflate said balloon;

a dispenser cap for said container neck including cooperative securement means for securing said dispenser cap on said container neck;

said dispenser cap including an openable/closeable valve which, only when in an open condition, allows toothpaste to flow out through said mouth of said container neck, under motivation provided by superatmospheric pressure within said balloon due to pressurization of said balloon by injection of pressurized fluid thereinto via said pressurization tube and inflater;

said pressurization tube having an inlet end;

said dispenser cap including an opening having an annular gasket sealingly fitted therein;

said pressurization tube near said inlet end thereof being circumferentially sealingly received in said annular gasket so that said pressurization tube may be supplied with pressurized fluid through said inlet end from externally of the toothpaste container while said dispenser cap remains in place on said neck;

the dispenser cap including an internally threaded skirt as said cooperative securement means;

a tubular coaxial extension of said skirt, and an axially outer end wall;

a tubular side outlet communicating laterally through the tubular coaxial extension with the interior of the cap;

said openable/closeable valve being provided on said tubular side outlet distally of said tubular coaxial extension;

said opening of said dispenser cap in which said annular gasket is fitted being provided in said axially outer end wall of said dispenser cap;

said annular gasket further including an annular boss located externally of said outer end wall of said dispenser cap for facilitating connection of a source of pressurizing fluid to said inlet end of said pressurization tube from externally of said dispenser cap, said pressurization tube being constructed and arranged for connection with a source of pressurizing fluid; and

a source of pressurizing fluid connected with said inlet end of said pressurization tube from externally of said dispenser cap.

7. The apparatus of claim 6, wherein:

said balloon, inflater head and pressurization tube being received in said container and said dispenser cap being mounted to said tubular neck;

said pressurization tube being circumferentially sealed with respect to said tubular neck by said annular gasket;

said balloon being disposed adjacent said closed end of said container prior to substantial inflation of said balloon.

8. The apparatus of claim 7, wherein:

said balloon is provided with a gradually decreasing wall thickness proceeding longitudinally of the balloon away from the balloon neck, so that the balloon upon pressurization tends to first inflate distally of the balloon neck and gradually towards the balloon neck.

9. The apparatus of claim 6, wherein:

said openable/closeable valve is constituted by a push-to-close/pull-to-open captive closure-type valve.

10. The apparatus of claim 6, wherein:

said dispenser cap further includes an annular flange projecting radially beyond said tubular coaxial extension and adapted to serve as a support shoulder for the container of toothpaste when such container is fitted with said apparatus and disposed in an inverted condition.

11. A toothpaste dispenser for dispensing toothpaste from a container of toothpaste, which container is provided with a pressurizable, expansible chamber initially disposed distally of a mouth of such container, a pressurization conduit communicated to said chamber, and an openable/closeable toothpaste outlet valve for said container mouth, so that when said chamber is pressurized through said pressurization conduit, if said openable/closeable toothpaste outlet valve is opened, toothpaste will flow out of said chamber through said container mouth as said container expands towards said container mouth, said toothpaste dispenser comprising:

a device including a body mounted on a base;

said body including means defining a first compartment for mounting said container so that said openable/closeable toothpaste outlet valve is located where a user may conveniently place a bristled head of a toothbrush in proximity thereto;

said body including means defining a second compartment for mounting a self-contained supply container of pressurized fluid having a normally-closed, push-to-open valve having an outlet; and

tube means for connecting said outlet of said valve of said self-contained supply of pressurized fluid with said pressurization conduit, so that by pushing said push-to-open valve said expansible chamber within said container of toothpaste may be pressurized, so that when said openable/closable toothpaste outlet valve is opened, toothpaste will flow therefrom onto the bristled head of the toothbrush placed by the user in proximity thereto.

12. The toothpaste dispenser of claim 11, further including:

a safety valve incorporated in said tube means, said safety valve being constructed and arranged to vent to atmosphere excess pressurized fluid should the user continue to push said push-to-open valve of said self-contained supply of pressurized fluid when said pressurizable, expansible chamber has already become pressurized to a predetermined maximum desirable amount.

13. The toothpaste dispenser of claim 12, wherein:

said safety valve includes an outlet to atmosphere which outlet incorporates a whistle for providing an audible signal upon achievement of said predetermined maximum desirable amount of pressurization.

14. The toothpaste dispenser of claim 11, wherein:

said base includes a pivotally mounted mechanism including first link means constructed and arranged for operative connection to said openable/closeable toothpaste outlet valve so that as said first link means is pivoted in one angular sense the openable/closeable toothpaste outlet valve when connected therewith will be opened thereby and when pivoted in an opposite angular sense the openable/closeable toothpaste outlet valve when connected therewith will be closed thereby; and

a second link means mounting an actuator bar externally of said base, said second link means being operatively connected to said first link means within said base, so that as said actuator bar is manually moved by the user in one sense, said first link means is pivoted in said one angular sense.

15. The toothpaste dispenser of claim 14, further comprising:

spring means mounted between said pivotally mounted mechanism and said base for returning said second link means after manual movement of said actuator bar by the user, for automatically closing said openable/closeable toothpaste outlet valve.

16. The toothpaste dispenser of claim 14, wherein:

said first link means and said second link means are integrally provided on a common link.

17. The toothpaste dispenser of claim 14, wherein:

said pivotally mounted mechanism further includes a remotely operable mechanical finger for pushing said push-to-open valve.

18. The toothpaste dispenser of claim 17, wherein:

said pivotally mounted mechanism further includes means operatively connecting said remotely operable mechanical finger to said second link means with a lost motion provision so that the actuator bar may be manually moved in said one sense up to a certain amount to cause said first link means to open said openable/closeable toothpaste outlet valve without causing said mechanical finger to push said push-to-open valve sufficiently to cause pressurized fluid to flow from said self-contained supply into said pressurization conduit, but the actuator bar may be manually moved in said one sense beyond said certain amount to also cause said mechanical finger to push said push-to-open valve sufficiently to cause pressurized fluid to flow from said self-contained supply into said pressurization conduit.

19. The toothpaste dispenser of claim 11, wherein:

said body is generally columnar and

said first and second compartments are of generally upright tubular configuration with said first compartment being disposed contiguously forwardly of the second compartment and having an upper end openably closed by a removable cap, so that the container of toothpaste may be inserted in the first compartment in an inverted, mouthdown, orientation through said upper end and said removable cap may be reinstalled;

said first compartment having frontally disposed opening means out through which said openable/closeable toothpaste outlet valve may forwardly project.

20. The toothpaste dispenser of claim 19 further comprising a deck cantilevered from said body at a level elevated above said base, said deck having means defining a plurality of generally perimetrically located slots vertically therethrough each for removably receiving the handle of a respective toothbrush, so that said deck may hangingly removably support by their respective heads a plurality of toothbrushes.

21. The toothpaste dispenser of claim 20, further comprising:

a dental floss dispenser built into said deck.

22. The toothpaste dispenser of claim 20, further comprising:

a dome-like cover and means hinging the dome-like cover to the deck for removably covering the heads of such toothbrushes as are hangingly supported in the slots on said deck.

23. The toothpaste dispenser of claim 19, wherein:

said base includes means defining an opening centrally upwardly into said first compartment and said body includes means defining an internal annular flange in said first compartment near said base for supporting container thereon; and

said tube means includes a stiff end portion projecting from within said base up through said opening in said base generally to the level of said internal annular flange in said first compartment so that as said container of toothpaste is inserted into said first compartment in an inverted condition, an end of the pressurization conduit of the container of toothpaste may be stabbed into connection with said stiff end portion of said tube means, and forced into maintained, sealing engagement therewith by installation of said removable cap on the upper end of said first compartment.

24. The toothpaste dispenser of claim 23, further including:

a rigid tubular jacket for radially bounding substantially all of the container of toothpaste but for said openable/closeable toothpaste outlet valve when said container of toothpaste is a flexible walled tube, said jacket being removably telescopically received in said first compartment through said upper end.