Double chamber aerosol container and manufacturing method theref

Details Double chamber aerosol container and manufacturing method theref Double chamber aerosol container and manufacturing method theref

1998-12-21

2000-07-25

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Filling or refilling of dispensers

Coating-implement-type receiver

141 3, 2223865, 222389, 53470, 532661, A61M 1106, A61M 1600

Patent

active

060925663

ABSTRACT:
A double chamber aerosol container capable of filling contents in the container upon cutting off open air has an inner sack, whose volume is reducible according to reduction of contents, formed with temporarily engaging portions. A housing to which a valve assembly is arranged is inserted in the inner sack where the temporarily engaging portions are temporarily engaged with a ring-shaped neck portion of an outer container. After propellant is filled in a space between the inner sack 1 and the outer container during this temporarily engagement, the inner sack is inserted in the outer container to form the double chamber aerosol container.

REFERENCES:
patent: 3477195 (1969-11-01), Chambers
patent: 3549058 (1970-12-01), Bolk
patent: 3636993 (1972-01-01), Thornton
patent: 3700136 (1972-10-01), Ruekberg
patent: 4045860 (1977-09-01), Winckler
patent: 4108219 (1978-08-01), Shulsinger
patent: 4211344 (1980-07-01), Stoody
patent: 4346743 (1982-08-01), Miller

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