Foam dispensing device air return system

Details Foam dispensing device air return system Foam dispensing device air return system

1984-04-25

1985-07-30

Rolla, Joseph J.

Dispensing

With material treatment or conditioning means

222211, 239343, F04C 114

Patent

active

045316597

ABSTRACT:
This foam dispensing device intended for use in the inverted position includes a container for holding foamable liquid and having a foam producing unit mounted in the discharge port. The foam producing unit includes a closure having separate air inlet and foam outlet openings. An elongate air return tube having a one-way valve is connected to the air inlet and a foam producing system is provided having an elongate air supply tube.

REFERENCES:
patent: 2738105 (1956-03-01), Wolfer et al.
patent: 3257046 (1966-06-01), Kasson
patent: 3622049 (1971-11-01), Thompson
patent: 3937364 (1976-02-01), Wright
patent: 3973701 (1976-08-01), Gardner
patent: 4024992 (1977-05-01), Schmid
patent: 4122979 (1978-10-01), Laauwe
patent: 4184615 (1980-01-01), Wright
patent: 4429834 (1984-02-01), Ito

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