Inversion foamer

Details Inversion foamer Inversion foamer

1988-02-25

1989-07-11

Shaver, Kevin P.

Dispensing

With material treatment or conditioning means

222211, 222481, B67D 558

Patent

active

048463760

ABSTRACT:
A nonaerosol foamer comprised of an outer container or bottle and novel internal labyrinth structure comprising a slotted body covered along one face with a film of durable synthetic resinous material whereby separate air and liquid influent channels, a foaming site, and a separate foam effluent channel are defined. The liquid influent channel is constructed such that it allows controlled movement of the foamable liquid from the liquid reservoir to the foaming site during application of positive pressure within the outer container, while preventing siphoning of the foam. A novel film flap valve controls flow of influent air into the container to replenish air earlier used to produce foam.

REFERENCES:
patent: 3422993 (1969-01-01), Boehm
patent: 3622049 (1971-11-01), Thompson
patent: 3709437 (1973-01-01), Wright
patent: 4024992 (1977-05-01), Schmid
patent: 4087024 (1978-05-01), Martin et al.
patent: 4093124 (1978-06-01), Morane et al.
patent: 4531659 (1985-07-01), Wright
patent: 4531660 (1985-07-01), Ford, Jr.
patent: 4596343 (1986-06-01), Ford, Jr.
patent: 4640440 (1987-02-01), Ford, Jr. et al.

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