Foam generating and dispensing device

Details Foam generating and dispensing device Foam generating and dispensing device

1975-06-06

1976-10-12

Love, John J.

Dispensing

With material treatment or conditioning means

222211, 239343, B65D 3700

Patent

active

039852717

ABSTRACT:
A foam generating and dispensing device in the form of a cap assembly adapted to be fitted to the mouth of a collapsible bottle formed of resilient material and in which the structural assembly of cap components is effected by an integral molded porous element of rigid polymeric material. A one-way valve is provided by a ball check seatable in a passage through the porous element to enable a rapid return of air to the bottle interior for recovery thereof after forceful collapse for the discharge of foam. In an alternative embodiment, the one-way valve is provided by an elastomeric sleeve circumscribing an interior extension of the discharge passage and overlying an aperture therein.

REFERENCES:
patent: 1896624 (1933-02-01), Hollands
patent: 2577321 (1951-12-01), Filger
patent: 2680010 (1954-06-01), Dubay
patent: 3308993 (1967-03-01), Bruno
patent: 3422993 (1969-01-01), Boehm et al.
patent: 3428222 (1969-02-01), Wright
patent: 3622049 (1971-11-01), Thompson
patent: 3709437 (1973-01-01), Wright
patent: 3937364 (1976-02-01), Wright

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