Trigger sprayer having a pressure buildup valve

Details Trigger sprayer having a pressure buildup valve Trigger sprayer having a pressure buildup valve

1995-06-02

1997-05-13

Morris, Lesley D.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

239333, B67D 542

Patent

active

056284349

ABSTRACT:
A trigger sprayer contains a pressure buildup valve that prevents liquid from being dispensed from the sprayer until the pressure of the liquid pumped from the sprayer pump exceeds a predetermined minimum pressure.

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