Vacuum packaging method

Details Vacuum packaging method Vacuum packaging method

1979-09-12

1981-06-30

McGehee, Travis S.

Package making

Methods

With contents treating

53427, B65B 3102, B65B 1152

Patent

active

042755441

ABSTRACT:
An improved method of vacuum packaging by using a specific laminated film as a package film, the laminated film being composed of a plastically deformable layer of a synthetic resin having a yield stress more than 50 kg/cm.sup.2 at a temperature of 23.degree. C. and an elongation of less than 30% at elastic limit at a shaping temperature of 50.degree. to 180.degree. C. and an elastic layer of a synthetic resin having an elongation of more than 40% at elastic limit at the shaping temperature.

REFERENCES:
patent: Re30009 (1979-05-01), Perdue et al.
patent: 3663240 (1972-05-01), Seiferth et al.
patent: 4164109 (1979-08-01), DuBois

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