Packaging body for heating processing

Details Packaging body for heating processing Packaging body for heating processing

2005-02-15

2005-02-15

Becker, Drew (Department: 1761)

Food or edible material: processes, compositions, and products

Packaged or wrapped product

Having consumer oriented diverse utility

C426S118000, C383S103000, C219S735000

Reexamination Certificate

active

06855356

ABSTRACT:
A packaging body for heat processing a material retained therein is basically formed of a plastic base material having side joining sections, and end sides. The side joining sections and end sides are superposed and connected together to form a bag for filling the material. A sealant layer is deposited on at least one of the end sides to connect the end sides together through the sealant layer to thereby form a vapor communication joining section at the end sides. The sealant layer has a peeling off property from 0 to 1,200 gf/15 mm at 90° C. and a peeling off property of equal to or more than 3 kgf/15 mm at a room temperature. Thus, only when the packaging body is heated more than 90° C., the vapor communication joining section is only opened to release pressure inside the packaging body.

REFERENCES:
patent: 4358466 (1982-11-01), Stevenson
patent: 5171950 (1992-12-01), Brauner et al.
patent: 5655842 (1997-08-01), Hagino
patent: 5928553 (1999-07-01), Toshima et al.
patent: 6582123 (2003-06-01), Tang

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