Dispenser for a flowable product

Details Dispenser for a flowable product Dispenser for a flowable product

2008-05-20

2008-05-20

Ngo, Lien M. (Department: 3754)

Dispensing

Automatic control

C222S063000, C222S190000, C239S343000

Reexamination Certificate

active

07374066

ABSTRACT:
A dispenser for a flowable product such as liquid soap is arranged to receive a can containing the liquid soap as well as two different propellants. Gaseous nitrogen under pressure acts as a primary propellant, while propane and/or butane in a liquid phase acts to foam the soap when it is released from the can. An electronically controlled valve is actuated when a sensor detects the presence of a user's hand adjacent an outlet, and a predetermined quantity of foamed soap is then dispensed.

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patent: 0 468 062 (1992-01-01), None
patent: 1 099 400 (2001-05-01), None

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