To inexpensively provide a package for microwave oven cooking which prevents the separation of the heat seal part of the package right after a content is filled therein, prevents the breakage and deformation of the package, improves the taste of the content by effectively steaming the content when it is microwave oven cooked and whose lid surely opens automatically by a pressure rise in the container.
This package for microwave oven cooking is provided with a flanged synthetic resin container main body filled with a content and a cover body heat sealed to the flange part for sealing. Part of the flange is provided with independent recesses individually formed on the inside and the outside of the heat sealed part with placing the sealed part between them, a protrusive part which automatically opens for releasing steam is formed in the heat sealed part directed toward the inside of the container.
COPYRIGHT: (C)2008,JPO&INPIT
TANAKA SHINJI
MATSUOKA KIKUO
| JPS62235080A | 1987-10-15 | |||
| JP2005041557A | 2005-02-17 | |||
| JP2006096367A | 2006-04-13 |
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