Trigger sprayer having air vent sleeve with integral check valve

Details Trigger sprayer having air vent sleeve with integral check valve Trigger sprayer having air vent sleeve with integral check valve

1995-06-02

1997-07-08

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

239571, 2223831, B05B 9043

Patent

active

056452217

ABSTRACT:
A trigger sprayer contains a valve element that vents air from a pump chamber of the sprayer, while priming the pump, to the interior of a liquid container to which the sprayer is attached. In an alternate embodiment, the valve element includes an integral check valve.

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