PILLOW-TYPE PACKAGING BAG

摘要

PROBLEM TO BE SOLVED: To provide a pillow-type packaging bag equipped with a novel unsealing means which can be easily unsealed and obtain a neat unsealed opening. SOLUTION: The pillow-type packaging bag comprises a base material layer including a back heat-sealed region 2 heat-sealed in a butted manner and folds 4 at both side rims having both end rims in the direction orthogonal to the region 2 via end rim heat-sealed regions 3 and 3' in parallel to the region 2, an inner layer made of heat-sealable resin, and a laminate 10 equipped at least with an undrawn resin layer peelably stuck adjacently to the surface of the inner layer on the side of the base material layer. A first cut line passing through the inner layer is formed in the vicinity of the inner rim of at least one of the end rim heat-sealed regions 3 and 3' along the inner rim from the internal surface side of the laminate 10 forming the surface opposite to the surface with the region 2. COPYRIGHT: (C)2005,JPO&NCIPI