Dispensing – With lock or fastening seal – Plural
Patent
1975-11-12
1981-04-07
Bartuska, F. J.
Dispensing
With lock or fastening seal
Plural
222340, 239333, 239373, B67D 532, G01F 1104
Patent
active
RE0305669
ABSTRACT:
A manually operated, hand-held liquid spraying device which includes a non-pressurized, refillable or non-refillable container, is disclosed. The sprayer is a completely contained device wherein an internal cam in one part of the device which is rotated, causes a displacement of a piston, a part of which is a cam follower. Piston displacement vacates a chamber which is simultaneously charged with liquid. The piston is moved as a result of the cammed motion against a responsor biasing it. The biased responsor generates a hydraulic pressure on the liquid now in the chamber vacated by the piston, since a check valve traps the liquid in the chamber. The liquid is released from the chamber by depressing a push button device, which action uncovers a port in an outlet conduit permitting liquid to flow from the chamber through the conduit and out through a flow connected nozzle in response to the responsor-urged piston moving down through the liquid in the chamber.
REFERENCES:
patent: 1676358 (1928-07-01), Schott
patent: 1730684 (1929-10-01), Phillips
patent: 1865914 (1932-07-01), Jaden
patent: 1871291 (1932-08-01), Adams et al.
patent: 3272390 (1966-09-01), Horwitt
patent: 3355067 (1967-11-01), Espinal
patent: 3471065 (1969-10-01), Malone
Bartuska F. J.
Thiokol Chemical Corporation
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