Manually operated dispensing pump

Details Manually operated dispensing pump Manually operated dispensing pump

1985-01-08

1987-02-03

Rolla, Joseph J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222375, 222378, 222380, 222545, B05B 1100

Patent

active

046404430

ABSTRACT:
A dispensing pump of the pressure accumulating type includes a reciprocable plunger/accumulator having a discharge valve coaxial with an inlet check valve carried by a stationary pump piston, the valves bearing directly against one another so as to close each other at the end of the plunger downstroke to thereby control the output of the pump.

REFERENCES:
patent: 1612149 (1926-12-01), Ouimet
patent: 3391647 (1968-07-01), Corsette et al.
patent: 3458090 (1969-07-01), Scoggin
patent: 3653556 (1972-04-01), Moran et al.
patent: 3908870 (1975-09-01), Nozawa et al.
patent: 3990611 (1976-11-01), Sojka
patent: 4050613 (1977-09-01), Corsette
patent: 4088425 (1978-05-01), Bennett
patent: 4179049 (1979-12-01), Umstead
patent: 4218198 (1980-08-01), Kutik et al.
patent: 4245967 (1981-01-01), Busselet
patent: 4402432 (1983-09-01), Corsette
patent: 4410107 (1983-10-01), Corsette
patent: 4494680 (1985-01-01), Corsette
patent: 4503997 (1985-03-01), Corsette
patent: 4511065 (1985-04-01), Corsette
patent: 4591077 (1986-05-01), Corsette

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