Liquid spray or foam dispensing apparatus

Details Liquid spray or foam dispensing apparatus Liquid spray or foam dispensing apparatus

1993-12-09

1995-05-02

Kashnikow, Andres

Dispensing

With discharge assistant

Fluid pressure

141 18, 141113, 2224007, 222402, B65D 8300

Patent

active

054111838

ABSTRACT:
The dispensing apparatus for a liquid spray or a foam includes a reservoir chamber; a manually operable air pump device for pressurizing the reservoir chamber with pressurized air, the manually operable air pump device including a nondetachable operating handle in a bottom region of the apparatus, a piston pump responsive to the operating handle for pressurizing air and a pressure equalizing valve communicating with an outer atmosphere; a metering valve connected with the reservoir chamber through which the foam or liquid spray is dispensed and a one-way valve connecting the manually operable air pump device with the reservoir chamber to permit flow from the manually operable air pump device to the reservoir chamber and to prevent flow from the reservoir chamber to the manually operable air pump device; and a motor driven pressurized air filling device for feeding pressurized air to the reservoir chamber for professional applications requiring repeated pressurization.

REFERENCES:
patent: 3444906 (1969-05-01), Moonan et al.
patent: 3462046 (1969-08-01), Bartels
patent: 3601164 (1971-08-01), Bruce
patent: 3797534 (1974-03-01), Skidmore
patent: 3955720 (1976-05-01), Malone
patent: 3995666 (1976-12-01), Michaels
patent: 4093123 (1978-06-01), Maran
patent: 4154401 (1979-05-01), Thompson
patent: 4341330 (1982-07-01), Mascia et al.
patent: 5209379 (1993-05-01), Dahlin

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