Foam dispensing device

Details Foam dispensing device Foam dispensing device

1985-04-12

1987-02-03

Rolla, Joseph J.

Dispensing

With material treatment or conditioning means

222210, 222211, B67D 558, B65D 3700

Patent

active

046404406

ABSTRACT:
The foam dispensing device is intended for use in the inverted position and includes a container having a reservoir portion for holding a foamable liquid and a bellows portion for holding air. A foam producing unit is mounted in the discharge port, the foam producing unit including a housing mounted in and receiving air from the bellows and a liquid receiving conduit extending from the foam producing unit into the reservoir. A separate air return conduit communicating with atmosphere extends into the container air. The container reservoir and bellows portions are separated by a finger-engageable waist portion to facilitate operation of the bellows portion.

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patent: 3651990 (1972-03-01), Cernei
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patent: 4349129 (1982-09-01), Amneus
patent: 4411656 (1983-10-01), Cornett, III
patent: 4516697 (1985-05-01), Dreps et al.
patent: 4531659 (1985-07-01), Wright

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