Method of vacuum packaging compressible materials and apparatus

Details Method of vacuum packaging compressible materials and apparatus Method of vacuum packaging compressible materials and apparatus

1978-12-26

1982-04-06

McGehee, Travis S.

Package making

Methods

With contents treating

53526, B65B 126

Patent

active

RE0308935

ABSTRACT:
A method of vacuum packaging compressible material in a sealed flexible fluid impervious container, such as a poly bag, is disclosed. One or more slits are made in the container and air in the container is withdrawn through the slits. This creates a partial vacuum in the container that results in compression of the compressible material. When the desired compression has been obtained, restraining means are placed around the flexible container to maintain the package in a compressed state when the partial vacuum is eventually lost. A novel apparatus for use in this method is also disclosed.

REFERENCES:
patent: 2888788 (1959-06-01), Gebhardt
patent: 3307319 (1967-03-01), Christensen et al.
patent: 3429095 (1969-02-01), Huson
patent: 3889444 (1975-06-01), Davis et al.

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