Liquid pump dispenser having a stationary spout

Details Liquid pump dispenser having a stationary spout Liquid pump dispenser having a stationary spout

1991-05-31

1993-01-26

Shaver, Kevin P.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222341, 222484, 239333, B65D 540

Patent

active

051816350

ABSTRACT:
A liquid pump dispenser has a stationary spout, a fixed piston and a reciprocating cylinder therewith defining a variable volume pump chamber. The dispenser has container venting and pump priming features, and includes an inlet/discharge valve housing. The dispenser has a reduced number of parts for simplicity and economy.

REFERENCES:
patent: 3759426 (1973-09-01), Kane et al.
patent: 4046292 (1977-09-01), Corsette
patent: 4050613 (1977-09-01), Corsette
patent: 4218198 (1980-08-01), Kutick et al.
patent: 4225063 (1980-09-01), Ayres
patent: 4227628 (1980-10-01), Parsons
patent: 4396132 (1983-08-01), Christensen
patent: 4402432 (1983-09-01), Corsette
patent: 4410107 (1983-10-01), Corsette
patent: 4618007 (1986-10-01), Corsette
patent: 4747523 (1988-05-01), Dobbs

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