Vacuum relief device

Details Vacuum relief device Vacuum relief device

B - Operations, Transporting

65

D

B65D 83/70 (2006.01) A47K 5/12 (2006.01) A47K 5/122 (2006.01) B05B 11/00 (2006.01) B65D 47/24 (2006.01) F16K 24/06 (2006.01)

Patent

CA 2381868

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 valve permits relief of vacuum from the reservoir without moving parts or valves.

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