Aerosol metering valve provided with pumping effect

Details Aerosol metering valve provided with pumping effect Aerosol metering valve provided with pumping effect

1977-03-08

1978-10-31

Reeves, Robert B.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222341, 239337, B67D 542

Patent

active

041229827

ABSTRACT:
An aerosol metering valve provided with a pumping effect, comprising a first hollow piston movable within a cylinder or chamber housing a second piston movable against a spring and normally urged thereby to a position closing the hollow piston, wherein the second piston has at least one passage which, under inoperative conditions of the valve, provides communication between the interior of the container and the cylinder or chamber.

REFERENCES:
patent: 3211346 (1965-10-01), Meshberg
patent: 3257961 (1966-06-01), Schlenker
patent: 3414169 (1968-12-01), Corsette
patent: 3908870 (1975-09-01), Nozawa et al.

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