Foam dispenser

Details Foam dispenser Foam dispenser

1975-04-03

1977-05-10

Hoffman, Drayton E.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With common discharge

222190, 222212, 239343, B65D 3700

Patent

active

040223515

ABSTRACT:
This foam dispenser includes a flexible container for foamable liquid, having a discharge opening at the upper end. A porous member is housed in the discharge opening and a conduit communicating with said porous member extends downwardly into the interior of the container. A flow directing valve system within the conduit determines the path of air and liquid through the conduit and the porous member during manual pressurization and depressurization of the container. The foamable liquid and air are isolated from each other by a bag member disposed within the container.

REFERENCES:
patent: 3010613 (1961-11-01), Stossel
patent: 3308993 (1967-03-01), Bruno
patent: 3422993 (1969-01-01), Boehm et al.
patent: 3471064 (1969-10-01), Micallef
patent: 3606963 (1971-09-01), Marand
patent: 3622049 (1971-11-01), Thompson
patent: 3628700 (1971-12-01), Dodoghue
patent: 3709437 (1973-01-01), Wright
patent: 3937364 (1976-02-01), Wright

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