Replaceable valve system

Details Replaceable valve system Replaceable valve system

1997-08-06

1999-03-30

Kashnikow, Andres

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

2223211, 222320, 222251, B65D 8854, G01F 1136

Patent

active

058877622

ABSTRACT:
A replaceable valve system for a fluid dispenser having a container with an opening for slidingly receiving the valve system, including an outer sleeve having an inlet end and an outlet end and being slidable in the container opening, the outer sleeve having a valve seat adjacent the inlet end thereof, a plunger slidable in the outer sleeve and having an internal passage for fluid flow from an inlet end to an outlet end, a one way valve positioned adjacent the inlet end for permitting fluid flow from the plunger inlet end to the outlet end while blocking fluid flow from the outlet end to the inlet end, an inner sleeve carried within the outer sleeve, a first spring carried between the plunger and inner sleeve urging the plunger and inner sleeve away from each other, a second valve positioned within the inner sleeve, a second spring positioned between the second valve and inner sleeve urging the second valve into sealing engagement with the outer sleeve valve seat for blocking fluid flow from the outer sleeve into the container.

REFERENCES:
patent: 2233716 (1941-03-01), Seidel
patent: 2515328 (1950-06-01), Bobrick
patent: 2878974 (1959-03-01), Dobkin
patent: 2885125 (1959-05-01), Russell
patent: 4243159 (1981-01-01), Spatz
patent: 4911336 (1990-03-01), Blake
patent: 4949877 (1990-08-01), Hanna et al.
patent: 4964544 (1990-10-01), Hanna et al.
patent: 5476108 (1995-12-01), Lawrence et al.

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