Push up dispenser with capsule valve

Details Push up dispenser with capsule valve Push up dispenser with capsule valve

1988-08-16

1990-10-23

Shaver, Kevin P.

Dispensing

With casing or support

Bracket or suspension supported

137859, 222321, 222341, 222385, B67D 506, B67D 540

Patent

active

049645447

ABSTRACT:
A push up fluid dispenser having a fluid storage container and a vertically oriented plunger carried in the container, with the plunger being manually pushable upward for dispensing fluid from the container. The container includes a valve cylinder mounted in the container and having an upper opening and an interior passage for slidingly receiving the plunger, and the plunger having a fluid flow passage therein providing a flow path from the cylinder interior to the exterior of the dispenser. A first one-way valve is disposed for control of fluid flow into the cylinder interior through an upper opening and a second one-way valve is disposed for control of fluid flow from the cylinder interior into the plunger passage, with a spring between the cylinder and plunger urging the plunger downward.

REFERENCES:
patent: 2093942 (1937-09-01), Stuff
patent: 2269847 (1942-01-01), Feinson
patent: 2604297 (1952-07-01), Winstead
patent: 2640481 (1953-06-01), Conley
patent: 2772817 (1956-12-01), Jauch
patent: 3321111 (1967-05-01), Jellinek
patent: 3871558 (1975-03-01), Gournelle
patent: 4227650 (1980-10-01), McKinney

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