Pump dispenser

Details Pump dispenser Pump dispenser

1978-01-26

1979-12-18

Spar, Robert J.

Dispensing

Fluid flow discharge

Fluid flow generated by manually actuated working member

222321, 222380, B05B 732

Patent

active

041790499

ABSTRACT:
A dispenser apparatus for receipt on a receptacle and operable to dispense a volume of liquid from a reservoir through an orifice includes means for injecting air into the liquid being dispensed to increase the level of atomization. The means includes a secondary chamber which normally is open to atmosphere yet adapted to be pressurized upon actuation of the pumping mechanism of the dispenser. The secondary chamber interior communicates through an opening with the liquid flow path to the orifice. The secondary chamber provides a secondary pump isolated from, but synchronized with the primary pumping mechanism.

REFERENCES:
patent: 3239151 (1966-03-01), Boris
patent: 4051983 (1977-10-01), Anderson
patent: 4057176 (1977-11-01), Horvath

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