Fluid dispenser valve

Details Fluid dispenser valve Fluid dispenser valve

1989-05-11

1990-08-21

Skaggs, H. Grant

Dispensing

With discharge assistant

With biasing means for discharge assistant and/or its casing

222383, 222185, B65D 8854

Patent

active

049498770

ABSTRACT:
A fluid dispenser having a fluid storage container and a plunger carried in the container, with the plunger being manually pushable inward for dispensing fluid from the container. The container includes a valve cylinder mounted in the container and having an inner opening and an interior passage for slidingly receiving the plunger, with the plunger having a fluid flow passage therein providing a flow path from the cylinder interior to the exterior of the dispenser. A one-way capsule valve is positioned for control of the fluid flow into the cylinder interior and another one-way valve is disposed for control of the fluid flow from the cylinder interior into the plunger passage. The capsule valve comprises a disk assembly of a relatively rigid washer with a central opening, and a relatively flexible resilient seal having an annular rim enclosing the washer and a central flapper joined to the rim and overlying the washer central opening.

REFERENCES:
patent: 2622539 (1952-12-01), Martin
patent: 3142415 (1964-07-01), Louchheim
patent: 3799448 (1974-03-01), Nozawa et al.
patent: 4243159 (1981-01-01), Spatz
patent: 4474307 (1984-10-01), Chappell
Bobrick Drawings 111-111, 111-113, 111-119, 111-189.
Bobrick Drawings B-113, 113-10, 113-11, 113-79.

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