Variable-volume disposable appliance

Details Variable-volume disposable appliance Variable-volume disposable appliance

1975-08-19

1976-11-23

Knowles, Allen N.

Dispensing

Collapsible wall-type container

Nonmetallic

222215, B65D 3504

Patent

active

039932222

ABSTRACT:
The appliance has a container that is formed of folded sheet material which bounds an internal chamber and includes a plurality of walls. The container is deformable between a first condition in which the volume of the internal chamber is at a minimum and a second condition in which the volume of the chamber is at a maximum. The container is capable of aspirating a medium when deformed from the first towards the second condition and of expelling a medium when deformed from the second toward the first condition.

REFERENCES:
patent: 1377113 (1921-05-01), Boyle
patent: 1623107 (1927-04-01), Goodykoontz
patent: 2723779 (1955-11-01), Parker et al.
patent: 2942760 (1960-06-01), Schneider
patent: 3463358 (1969-08-01), Wenzler
patent: 3595441 (1971-07-01), Grosjean

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