| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging bag for a microwave oven at a low manufacturing cost which prevents a content from leaking during heat cooking or handling thereafter, hardly staining a hand when opened, or the contents are taken out. <P>SOLUTION: The packaging bag for microwave oven is manufactured, as a bag, of a packaging material with a sealant layer laminated on the inner surface and includes side seal parts 14 at least at both right and left sides. An intermediate seal part 13 straddling right and left side seal parts 14 is arranged in an inner position than an opening on an outer surface of one of a front side or a rear side in a projected state. The intermediate seal part 13 is folded back based on its root in an opened state and heated by a microwave oven so that steam leaks from the opening through a folded-back part and the content can be cooked by heating. <P>COPYRIGHT: (C)2013,JPO&INPIT |
