HEATING TREATMENT PACKAGING BAG, MANUFACTURING METHOD OF HEATING TREATMENT PACKAGING BAG, AND FOOD PRODUCT FOR MICROWAVE OVEN

摘要

To provide a heating treatment packaging bag which prevents the content from leaking due to secure steam-passing from a back adhering part when performing a heating treatment with a microwave oven or the like, and can reduce cost.SOLUTION: A heating treatment packaging bag is formed of a sheet member 1 comprising a first sealant layer laminated on an outer surface of a substrate, and a second sealant layer laminated on an inner surface of the substrate and having a function of an easily peeling property; and is formed into a pillow type provided with a back adhering part 8 obtained by welding both side edges of the second sealant layer. An end part welded part 10 at which the second sealant layers are welded to each other, and the first sealant layers are welded to each other in a state where a welded portion is folded is formed at both ends of the sheet member 1.SELECTED DRAWING: Figure 4