Breathing device for soap dispenser

Details Breathing device for soap dispenser Breathing device for soap dispenser

1989-01-23

1990-06-05

Huppert, Michael S.

Dispensing

With filter

Associated with vent passage

222207, 222481, 222494, 222568, B67D 558

Patent

active

049306677

ABSTRACT:
A liquid soap dispenser having an unvented liquid soap container with only an outlet opening, a discharge assembly in fluid communication with the soap container outlet opening, and a breathing mechanism including a semipermeable filter mounted between the discharge assembly and the soap container to introduce air into the soap container immediately upon withdrawal of soap from the container to permit rapid operation of the discharge assembly.

REFERENCES:
patent: 3149758 (1964-09-01), Bush et al.
patent: 4130224 (1978-12-01), Norman et al.
patent: 4314658 (1982-02-01), Laauwe
patent: 4533068 (1985-08-01), Meierhoefer
patent: 4560093 (1985-12-01), Cassia
patent: 4646945 (1987-03-01), Steiner et al.
patent: 4646947 (1987-03-01), Stull
patent: 4673109 (1987-06-01), Cassia
patent: 4776495 (1988-10-01), Vignot
patent: 4846376 (1989-07-01), Palmer

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Also associated with

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