Method and apparatus for providing a controlled atmosphere aroun

Details Method and apparatus for providing a controlled atmosphere aroun Method and apparatus for providing a controlled atmosphere aroun

1976-07-28

1977-11-01

McGehee, Travis S.

Package making

Interrelated or safety controls

53 7, 53 79, 53112B, B65B 3108

Patent

active

040559319

ABSTRACT:
A perishable product is enclosed within a flexible bag and the air is evacuated from the bag to a predetermined pressure below atmospheric pressure. A predetermined volume of a gas is then introduced into the bag.

REFERENCES:
patent: 2506769 (1950-05-01), Bergstein
patent: 3584428 (1971-06-01), Falk
patent: 3939624 (1976-02-01), Gidewall et al.

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