| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging bag for a microwave oven by which heat- cooking can be performed while an already cooked or semi-cooked food is being housed in the packaging bag without providing a release port for releasing the internal pressure, and providing a steaming effect by the microwave oven. <P>SOLUTION: This packaging bag for the microwave oven is made of a laminate which has a thermoplastic resin layer being heat-melt-extruded into a plurality of lines, on one surface of an air-permeable sheet. Then, the thermoplastic resin layers of the laminate are superposed with each other, and heat- welded at an end edge heat-welding part for sealing the packaging bag for the microwave oven. <P>COPYRIGHT: (C)2004,JPO |
