| 摘要 |
<p>PURPOSE:To provide a packing bag which is automatically opened to cook the contents only by putting it in a microwave oven when putting a cooking food therein without opening the bag, in the food industry. CONSTITUTION:A cutter 2 made of hard plastic or metal or a thread is contained together with the contents 1 in a bag 3 made of a thermocontracting film having a large dielectric loss and processed to be heated by microwaves. When the bag is put in an microwave oven, the film as a container is heated and broken by the edge of cutter or the thread. Accordingly, the bag may be placed in a microwave oven without taking out the contents and hence, it is laborsaving and hygienic.</p> |
