Gas assist unit dose dispenser

Details Gas assist unit dose dispenser Gas assist unit dose dispenser

1990-04-30

1992-04-21

Hajec, Donald T.

Dispensing

With discharge assistant

Fluid pressure

12820014, 222631, 239308, 239311, B65D 8314

Patent

active

051059959

ABSTRACT:
Dispensing apparatus incorporates a pressurized liquid metering reservoir and associated manually operable dispensing valve and a pressurized gas metering reservoir and associated manually operable valve respectively connecting the reservoirs to a common spray orifice. The valves are adapted to be simultaneously operated whereby a burst of gas from the gas reservoir breaks up a burst of liquid from the liquid reservoir.

REFERENCES:
patent: 4214677 (1980-07-01), Bauer et al.
patent: 4387833 (1983-06-01), Venus, Jr.
patent: 4458830 (1984-07-01), Werding
patent: 4892232 (1990-01-01), Martin
patent: 5048729 (1991-09-01), Pritchard

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