Non-leaking pump spray valve

Details Non-leaking pump spray valve Non-leaking pump spray valve

1977-06-23

1980-07-29

Spar, Robert J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222384, G01F 1102

Patent

active

042146828

ABSTRACT:
A non-leaking pump spray valve having a dispensing plunger which is vertically movable so as to depress or raise a sealing disc which is preferably flexible and of a flap type.

REFERENCES:
patent: 544143 (1894-08-01), Wagner
patent: 904149 (1908-11-01), Rachmann
patent: 3991914 (1976-11-01), Kotuby et al.

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