Foaming device

Details Foaming device Foaming device

1992-04-16

1993-06-15

Huson, Gregory L.

Dispensing

With material treatment or conditioning means

222189, 222211, 222212, 222522, B67D 558

Patent

active

052191028

ABSTRACT:
A foam dispensing device mixes a foamable liquid with ambient air and dispenses a foam having a relatively constant ratio of liquid to air even during rapidly repeated foam dispension. The device contains a passage for foam return from a foam conduit to a liquid reservoir having one-way valve means to permit flow only in the direction from the foam conduit to the liquid reservoir during operation of the foamer, and a means of separating the inlet to the air passage from the outlet of the foam return passage to prevent flow of foam through the air passage during rapid, repeated foam dispension.

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patent: 4836422 (1989-06-01), Rosenberg
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