Dispenser pouch and holder and dispensing unit therefor

Details Dispenser pouch and holder and dispensing unit therefor Dispenser pouch and holder and dispensing unit therefor

1990-12-06

1991-11-26

Skaggs, H. Grant

Dispensing

Collapsible wall-type container

With wall-collapsing means

222105, 222107, 222491, B65D 3528

Patent

active

050676350

ABSTRACT:
A pair of superimposed panels are heat sealed together to define a reservoir in a dispenser pouch, adapted to contain a liquid therein. A tapered-down neck is defined on a lower end of the pouch and communicates with the reservoir to retain a pre-measured charge of the liquid therein. Narrow overlying and unsealed panel portions at the termination of the neck form a normally closed valve that opens when a predetermined external pressure is applied to the pouch.

REFERENCES:
patent: 3184121 (1965-05-01), Volckening
patent: 3815794 (1974-06-01), Carlisle
patent: 4252257 (1981-02-01), Herzig

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