Vacuum packaging apparatus and process

Details Vacuum packaging apparatus and process Vacuum packaging apparatus and process

1985-06-11

1986-04-22

Sipos, John

Package making

Methods

With contents treating

53512, B65B 3102

Patent

active

045833478

ABSTRACT:
A vacuum packaging process and apparatus employ the novel step of deliberately at least partially repressurizing the exterior of a flexible packaging receptacle after commencement of the evacuation of the exterior and interior of the receptacle in a chamber. The receptacle is closed after the receptacle has been pressed against the article located in the receptacle by repressurization.

REFERENCES:
patent: 3714754 (1973-02-01), Holcombe et al.
patent: 3832824 (1974-09-01), Burrell
patent: 3965646 (1976-06-01), Hawkins
patent: 4132048 (1979-01-01), Day
patent: 4164111 (1979-08-01), Di Bernardo
patent: 4182095 (1980-01-01), Day
patent: 4457122 (1984-07-01), Atkins et al.

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