Dispensing – Collapsible wall-type container – With wall-collapsing means
Patent
1977-02-18
1978-03-07
Tollberg, Stanley H.
Dispensing
Collapsible wall-type container
With wall-collapsing means
B65D 3528
Patent
active
040775437
ABSTRACT:
A propellantless aerosol container wherein an elastic expelling member is sleeved over a flexible product containing member and carried within a rigid container body. Retainers, releasable from without the container, are provided whereby the expelling member may be extended and retained in the extended condition during filling of the container, and later released to provide an expelling force.
REFERENCES:
patent: 545803 (1895-09-01), Klug
patent: 720902 (1903-02-01), Du Beau
patent: 1716981 (1929-06-01), Sacks
Kulikowski Donald F.
Pan Peter N. Y.
Richie Kenneth E.
Continental Can Company Inc.
Dittman William A.
Kerwin Joseph E.
Kowalik John J.
Tollberg Stanley H.
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