Vacuum relief device

Details Vacuum relief device Vacuum relief device

2005-10-25

2005-10-25

Bomberg, Kenneth (Department: 3754)

Dispensing

With fluid trap seal for inlets or outlets

C222S457000, C222S587000

Reexamination Certificate

active

06957751

ABSTRACT:
Liquid soap dispensers including a vacuum relief valve which comprises an enclosed chamber having an air inlet open to the atmosphere and a liquid inlet in communication with liquid in the reservoir and in which the liquid inlet opens to the chamber at a height below a height at which the air inlet opens to the chamber. The vacuum relief value permits relief of vacuum from the reservoir without moving parts or values.

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