Double chamber aerosol container

Details Double chamber aerosol container Double chamber aerosol container

1998-12-21

2000-08-08

Kaufman, Joseph A.

Dispensing

Collapsible wall-type container

With wall-collapsing means

22240224, B65D 3528

Patent

active

060988460

ABSTRACT:
A double chamber aerosol container has a soft elastic inner sack, mounted within a metal container body, and a housing mounted to a top end of an inner periphery of the inner sack. The inner sack is in contact with special sized temporarily fitting portion as well as insertion contact portion of the housing to prevent the propellant from leaking out. Where an inner diameter of the top end of the inner periphery of the inner sack is 1, the outer diameter of an insertion contact portion of the housing is set to 1.02 to 0.98, the maximum outer diameter of the temporarily fitting portion is set to 0.97 to 0.95, the minimum outer diameter of the temporarily fitting portion is set to 0.94 to 0.88, and the minimum portion is formed below the maximum portion as well as the width in the up and down directions of the temporarily fitting portion is set to 0.19 to 0.10.

REFERENCES:
patent: 4457454 (1984-07-01), Meshberg
patent: 5083681 (1992-01-01), Nye
patent: 5622282 (1997-04-01), Yazawa et al.
patent: 5630530 (1997-05-01), Geier et al.
patent: 5938085 (1999-08-01), Conroy et al.

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