Spray can dispensing device incorporating gas pocket assembly

Details Spray can dispensing device incorporating gas pocket assembly Spray can dispensing device incorporating gas pocket assembly

1989-05-30

1990-12-18

Rolla, Joseph J.

Dispensing

Collapsible wall-type container

Plural container and/or compartment

2223865, 222389, B67D 542, B65D 3522

Patent

active

049780336

ABSTRACT:
A dispensing device utilizing a gas pocket assembly. The gas pocket assembly includes an inflatable gas pocket and a cylindrical mounting seat. The dispensing device has a gas introduction mechanism for introducing high-pressure gas to the gas pocket assembly, a pressurized cylinder for containing liquid, and a dispensing head mechanism for dispensing the liquid. the gas pocket assembly is secured to a bottom wall of the pressurized cylinder. The dispensing of the liquid, which creates a gradual dropping of pressure, causes the inflatable gas pocket to swell or inflate gradually until the interior of the pressurized cylinder is entirely occupied by the gas pocket.

REFERENCES:
patent: 3245435 (1966-04-01), Healy
patent: 3430731 (1969-03-01), Satzinger
patent: 3675821 (1972-07-01), Morane et al.
patent: 3842939 (1974-10-01), Satzinger
patent: 3992003 (1976-11-01), Visceglia et al.

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