Dispenser device with valve piston pump

Details Dispenser device with valve piston pump Dispenser device with valve piston pump

1979-08-17

1980-12-02

Spar, Robert J.

Dispensing

With cutter and/or punch

To form dispensing opening in container

222 835, 222321, 222325, 222383, 401135, 401178, 401270, B67B 724, B67D 542

Patent

active

042366518

ABSTRACT:
A dispenser device comprising a reservoir for a flowable or fluent filled material as well as a piston pump equipped with a valve arrangement. The valve arrangement is coaxially dispositioned with regard to the pump and possesses parts connected with the piston and parts connected with the cylinder of the piston pump.

REFERENCES:
patent: 2323378 (1943-07-01), Champion et al.
patent: 2328048 (1943-08-01), Bair
patent: 2547109 (1951-04-01), Bacheller
patent: 2776785 (1957-01-01), Lyon
patent: 3158179 (1964-11-01), Lehmann
patent: 3187960 (1965-06-01), Gorman
patent: 3211346 (1965-10-01), Meshberg
patent: 3228571 (1966-01-01), O'Donnell et al.
patent: 3391647 (1968-07-01), Corsette et al.
patent: 3441177 (1969-04-01), Treharne, Jr.
patent: 3877616 (1975-04-01), Stevens
patent: 3910706 (1975-10-01), Del Bon

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