Vacuum package with flexible end

Details Vacuum package with flexible end Vacuum package with flexible end

1975-01-27

1978-07-04

Garbe, Stephen P.

Special receptacle or package

With article content

2065248, 220 66, 220 68, 229 55, 426124, 426398, 426404, B65D 310, B65D 322

Patent

active

040984044

ABSTRACT:
A vacuum package comprising a composite container of multi-ply paper and foil construction having the contents thereof retained in a vacuum environment, a container rigidifying end cap sealing one end thereof and a flexible tearable membrane sealing the other end with a plastic overcap at the membrane end, said membrane being inwardly flexed by atmospheric pressure against the container contents for a compaction thereof and a corresponding rigidification of the vacuum pack.

REFERENCES:
patent: 2735604 (1956-02-01), Zerlin
patent: 3353325 (1967-11-01), Jensen et al.

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