PACKAGING BAG FOR MICROWAVE OVEN

摘要

PROBLEM TO BE SOLVED: To prevent the jetting or overflowing of soup or juice at the time of heating by a microwave oven by forming a weak sealing section of given pattern communicated with an inner section and an outer section of a pillow packaging bag on a back sealing central section and using an easy peel sealant for an inner low layer of the pillow packing bag. SOLUTION: A microwave oven packaging bag 10 is peeled vertically in the flow direction of a belt-shaped continuous film packaging material to form a back sealing section 2, and the end sealing is applied in the direction crossing perpendicularly the flow of the packaging material in the upper and lower or the front and rear of a content almost simultaneously with the filling of the content to form end sealing sections 3 and 4 and also cut off to form a pillow packaging bag 1. In the case either of end seal 3 or 4 is broken and the content is taken out, the back sealing section 2 is formed into a hutt seal bag for taking out the content easily. Also heat cooking is carried out by a microwave oven with the back sealing section 2 on the upper side to prevent soup or juice from jetting or overflowing.