Dispenser having foamed output

Details Dispenser having foamed output Dispenser having foamed output

1996-09-27

1999-11-16

Bomberg, Kenneth

Dispensing

With material treatment or conditioning means

222207, 222209, 222215, B65D 3700

Patent

active

059841460

ABSTRACT:
Dispensers for liquids are provided having structure for containing a pool of liquid in the dispenser, to a predetermined level. A discharge chamber contains air above the level of liquid and a discharge device extends upwardly at least partly through the discharge chamber from below the level of the pool and has an external outlet. The discharge device includes a foamer chamber having a wall defining very small holes located above the pool level, and pressure means is coupled to the discharge chamber and operable to increase the pressure in the discharge chamber so that a pressure applied on the pool level drives liquid into the discharge device. Simultaneously air is forced through the small holes in the foamer chamber to meet the liquid passing through the foamer chamber where progressive foaming takes place before the resulting foam is forced through a discharge outlet.

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