Method of preparing a package having a multiple-film lid

Details Method of preparing a package having a multiple-film lid Method of preparing a package having a multiple-film lid

1995-09-08

1997-05-27

Sipos, John

Package making

Methods

With contents treating

53449, B65B 3100

Patent

active

056321341

ABSTRACT:
A method of preparing a package having a product enclosed between a support member and a multiple-film lid, comprising the steps of providing a support member supporting a product; providing a multiple-film lid over the product and the support member, the multiple-film lid having a first film for enclosing the product on the support member when sealed thereto and a second film over the first film, the first film and the second film defining a first space therebetween and the first film and the support member defining a second space therebetween; evacuating the first and second spaces; and sealing the multiple-film lid to the support member so as to form a sealed package.

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