Non-aerosol dispenser

Details Non-aerosol dispenser Non-aerosol dispenser

1987-01-09

1988-06-14

Skaggs, H. Grant

Dispensing

With discharge assistant

Container with follower

222105, 222387, 137859, 141 23, 141 24, 141 25, 141 27, B65D 3522

Patent

active

047506474

ABSTRACT:
A non-aerosol liquid dispenser comprising a container having a preformed elastomeric diaphragm secured therein. The diaphragm stretches during filling of the container to create a return force which causes dispensing when a manually operated valve is actuated. The diaphragm includes a one-way valve which, during filling of the container, operates to permit air trapped beneath the diaphragm to enter the space above the diaphragm where the liquid is being supplied. The trapped air is expelled during the first actuation of the manually operated valve.

REFERENCES:
patent: 1122710 (1914-12-01), Feit
patent: 2898007 (1959-08-01), Gassaway
patent: 3190496 (1965-06-01), Weiland, Jr. et al.
patent: 3722756 (1973-03-01), Cramer, Jr.
patent: 3773233 (1973-11-01), Souza
patent: 3838796 (1974-10-01), Cohen
patent: 3940026 (1976-02-01), Kain
patent: 4121737 (1978-10-01), Kain
patent: 4182355 (1980-01-01), Briel et al.

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