Upright/inverted pump sprayer

Details Upright/inverted pump sprayer Upright/inverted pump sprayer

1985-11-05

1988-10-04

Spar, Robert J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222376, 22240219, 222481, 239334, B05B 943

Patent

active

047750790

ABSTRACT:
A manually actuated upright/inverted pump sprayer having a piston controlled container vent path, an auxiliary liquid intake port for inverted spray being spaced closer to the inner side of the container seal gasket compared to the spacing of the container vent port therefrom so as to preclude the spontaneous ingestion of air bubbles from the open vent path into the pump chamber through such intake port during inverted spray.

REFERENCES:
patent: 686183 (1901-11-01), Yost
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patent: 2924360 (1960-02-01), Samuel
patent: 3379136 (1968-04-01), Corsette
patent: 3399811 (1968-09-01), Miller
patent: 3596808 (1971-08-01), Corsette
patent: 3865313 (1975-02-01), Kondo
patent: 4019661 (1977-04-01), Szabo
patent: 4051983 (1977-10-01), Anderson
patent: 4173297 (1979-11-01), Pettersen
patent: 4193551 (1980-03-01), Saito et al.
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patent: 4277001 (1981-07-01), Nozawa
patent: 4371098 (1983-02-01), Nozawa et al.

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