Pressure generation system for a container

Details Pressure generation system for a container Pressure generation system for a container

1989-03-02

1990-04-24

Bartuska, F. J.

Dispensing

With discharge assistant

Container with follower

222 1, B67D 554

Patent

active

049193104

ABSTRACT:
A self-generating gas pressure apparatus such as an expandable closed pouch for placement within a container from which a flowable material therein is to be dispensed under pressure. The apparatus has a plurality of internal compartments formed by pressure-rupturable seals and containing two respective chemical compounds which, when mixed, produce a gas. One of the chemical compounds is in aqueous solution, while the other is a precipitate present in a water-dispersible suspension medium such as a gum, an algin, pectin, or mixtures thereof. The suspension provides for uniform dispersal of the precipitated chemical and a resultant effective reaction rate with the aqueous chemical reactant.

REFERENCES:
patent: 3667929 (1972-06-01), Flemming, Jr.
patent: 3718236 (1973-02-01), Reyner et al.
patent: 4646946 (1987-03-01), Reyner
patent: 4785972 (1988-11-01), LeFevre

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