Bag for vacuum packaging of articles

Details Bag for vacuum packaging of articles Bag for vacuum packaging of articles

1984-01-25

1986-03-18

Garbe, Stephen P.

Special receptacle or package

Evacuated

383 40, B65D 8120

Patent

active

045762830

ABSTRACT:
Within a bag for vacuum packaging of articles there is created, by means of a separately attached sheet, an auxiliary chamber which is evacuated when the bag is manufactured. This chamber may be placed in communication with the interior of the bag, after the latter has been filled and sealed. Such communication is achieved by piercing or tearing the separately attached sheet, so that the residual air in the sealed bag expands into a greater volume in which it is isolated from the product in the bag.

REFERENCES:
patent: 2756875 (1956-07-01), Yochim
patent: 2778173 (1957-01-01), Taunton
patent: 2870954 (1959-01-01), Kulesza
patent: 3095291 (1963-06-01), Robbins
patent: 3756389 (1973-09-01), Firth
patent: 3980226 (1976-09-01), Franz
patent: 4155453 (1979-05-01), Ono

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