Dispensing – Collapsible wall-type container – With wall-collapsing means
Patent
1989-12-18
1991-03-19
Kashnikow, Andres
Dispensing
Collapsible wall-type container
With wall-collapsing means
222 95, 222491, B65D 3528, B65D 3508, B65D 3700
Patent
active
050003500
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 spout is formed in offset relationship on a lower end of the pouch and defines a charging chamber that communicates with the reservoir to retain a pre-measured charge of the liquid therein. The spout terminates at a normally closed valve that opens when a predetermined external and downward pumping pressure is applied to the spout. A retention band may be secured transversely across on outer side of one of the panels to retain the spout when it is reverse-bent and slipped thereunder. The pouch is adapted for mounting in a dispensing unit having a dual-action pressure plate for pumping and dispensing the pre-measured charge of liquid from the spout.
REFERENCES:
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patent: 3184121 (1965-05-01), Volckening
patent: 3255932 (1966-06-01), Hunter et al.
patent: 3815794 (1974-06-01), Carlisle
patent: 3878977 (1975-04-01), Carlisle
patent: 4124049 (1978-11-01), Yamaguchi
patent: 4163509 (1979-08-01), Amneus
patent: 4252257 (1981-02-01), Herzig
patent: 4312689 (1982-01-01), Amneus
patent: 4634022 (1987-01-01), O'Halloran et al.
patent: 4690307 (1987-09-01), Hogan
Kashnikow Andres
Morris Lesley D.
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