Continuous discharge dispenser

Details Continuous discharge dispenser Continuous discharge dispenser

1985-01-28

1986-05-27

Rolla, Joseph J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222340, 222380, 222383, 222335, 239322, 239333, B05B 1100

Patent

active

045910774

ABSTRACT:
A dual chamber continuous discharge dispenser includes relatively movable pump piston and pump cylinder during compression and the compression strokes and together defining a variable volume pump chamber which comprises part of an encircling accumulator element which is displaced during the compression stroke for opening the discharge. A wall on the accumulator having a valve-controlled opening prevents return flow of product from an accumulation chamber back into the pump chamber during the discharge of product from the accumulation chamber.

REFERENCES:
patent: 4050613 (1977-09-01), Corsette
patent: 4079865 (1978-03-01), Kutik
patent: 4109832 (1978-08-01), Kutik et al.
patent: 4146155 (1979-03-01), Kutik et al.
patent: 4174056 (1979-11-01), Loeffler
patent: 4191313 (1980-03-01), Blake et al.
patent: 4222501 (1980-09-01), Hammett et al.
patent: 4225060 (1980-09-01), Kutik et al.
patent: 4241853 (1980-12-01), Pauls et al.
patent: 4325501 (1982-04-01), Shay
patent: 4402432 (1983-09-01), Corsette
patent: 4494680 (1985-01-01), Corsette

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