Expulsion device

Details Expulsion device Expulsion device

1966-11-18

1976-09-21

Pendegrass, Verlin R.

Dispensing

With discharge assistant

Container with follower

F23K 500

Patent

active

039814181

ABSTRACT:
An improved fluid expulsion device of the class comprising an expulsion container containing a diaphragm adapted to be displaced by a pressure fluid acting on one side of the diaphragm to expel a second fluid at the opposite side of the diaphragm. The diaphragm is bonded to the inner container wall, either by electrodeposition of a metal on the wall in such a way as to form the diaphragm on and in bonded relation to the wall or by adhesively bonding a preformed diaphragm to the wall by adhesive bands, whereby displacement of the diaphragm is accompanied by peeling of the latter from the container wall without wrinkling, tearing, or ripping.

REFERENCES:
patent: 2970452 (1961-02-01), Beckman et al.
patent: 3070265 (1962-12-01), Everett
patent: 3145884 (1964-08-01), Everett
patent: 3471349 (1969-10-01), Cohen et al.

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