| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform cooking with a good taste in a packaging container for microwave oven cooking with easy handling by executing such a useful operation on safety design that opening for steam venting is provided by a manual operation on a sheet material without using a tab material to obtain the opening for steam venting, and by avoiding generation of boiling over and scattering of a content. <P>SOLUTION: A steam venting means 8 is constituted by a steam venting passage 9 in which the passage direction of a passage formed between two heat seal parts in an upper part of a storing part is inclined to the vertical direction of the storing part 5, and a tearing strip predetermined part 10 in which a tearing strip is extended from one heat seal part positioned in the neighborhood of the steam venting passage 9. The steam venting passage 9 and the tearing strip predetermined part 10 are arranged so as to intersect with each other, and by tearing the tearing strip predetermined part 10, the storing part communicates with outside through the cut steam venting passage 9. <P>COPYRIGHT: (C)2009,JPO&INPIT |
