Pump dispensing apparatus

5100025
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Inventors

McGraw, Kim A.

Application #

663687

Filed

Mar-4-1991

Published

Mar-31-1992

Current US Class

222/103
222/105
222/156
222/181.2
222/183
222/336
222/386
222/95

International Classes

B65D 035/28; B65D 035/56; B67D 005/06; B67D 005/38

Field of Search

222/95 222/103 222/105 222/156 222/181 222/185 222/386 222/386.5 222/391 222/183 222/336 222/340

Examiners

Shaver; Kevin P.

Attorney, Agent or Firm

Gilden; Leon

US Patent References

4323176   Manually-operable...
4739903   Dispensing case as...
4793521   Device for dispensi...
4898304   Viscous liquid disp...

Referenced by:

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Citation

Cite This Patent

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Abstract
An apparatus including a rigid housing mounting a lid containing a flexible, polymeric component containing bag therewithin, with the bag including a spout directed through an opening in the container, with the lid including a piston including an apex positioned medially thereof impinging upon an upper portion of the bag to effect expressing of contents of the bag through its nozzle when the piston is projected into the bag by a handle and piston rod mounted exteriorly of the bag. Bracket structure is provided to provide stability in mounting of the container to a vertical wall surface.
 
Claims
What is claimed as being new and desired to be protected by Letters Patent of the United States is as follows:

1. A pump dispensing apparatus comprising, in combination,

a rigid lower housing container, the housing container including a lid removably mounted relative to an upper terminal end of the housing container, and

a flexible pouch, the flexible pouch including a nozzle, and

the lower housing container including a forward wall, with the forward wall including an opening, with the nozzle projecting through the opening, and

the lid including a piston rod reciprocatably mounted through the lid, and

a piston mounted within the housing container to a lower terminal end of the piston rod overlying the flexible pouch, wherein the piston is displaced from a first raised position to a second lowered position to effect pressurizing of the flexible pouch within the lower housing container, and



Description
BACKGROUND OF THE INVENTION

1. Field of the Invention

The field of invention relates to dispensing apparatus, and more particularly pertains to a new and improved pump dispensing apparatus wherein the same mounts a rigid container to a vertical wall surface in cooperation with a piston arranged to apply pressure to the flexible bag and direct contents exteriorly of the container.

2. Description of the Prior Art

Various dispensing apparatus is utilized in the prior art in cooperation with a flexible bag to permit storage of components in the flexible bag prior to expressing components from the bag structure exteriorly thereof as required. Examples of such prior art include U.S. Pat. No. 4,765,512 to Bull, Jr. wherein a spring construction in association with a polymeric film bag effects squeezing of contents from interiorly of the bag.

U.S. Pat. No. 4,627,551 to Kopt sets forth a dispenser system wherein a polymeric bag is directed through spaced rollers to effect pressurizing of contents within the bag to effect its expressing from the bag as required.
 
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