Pressure activation device

Details Pressure activation device Pressure activation device

1992-10-30

1994-08-02

Kashnikow, Andres

Dispensing

With discharge assistant

Container with follower

222389, 222394, B67D 542

Patent

active

053337638

ABSTRACT:
A trigger (18), containing one component (28) of a two component gas generating system and having a headspace (37), is closed by a pressure rupturable membrane (36) and located in an expandable pouch (10), in a reservoir of the other component (19) of the gas generating system, with the membrane (36) facing down. The pouch (10) is inserted into a dispensing container (44) for flowable product, and the container is sealed. Thereafter, the trigger (18) is activated by externally pressurizing the container by back flow of fluid through a dispensing valve (46), either by adding a gas or by adding flowable product, causing the membrane (36) to rupture and the trigger (18) to discharge its contents into the reservoir of the other gas generating chemical (19).

REFERENCES:
patent: 3023750 (1962-03-01), Baron
patent: 3718236 (1973-02-01), Reyner et al.
patent: 3949911 (1976-04-01), Morgne
patent: 4870805 (1989-10-01), Morgne
patent: 4896794 (1990-01-01), Banks et al.
patent: 4923095 (1990-05-01), Dorfman et al.
patent: 5009340 (1991-04-01), Morgne
patent: 5035351 (1991-07-01), Moran

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