| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a packaging bag capable of preventing the deterioration of sealability by suppressing the occurrence of pinholes.SOLUTION: A packaging bag 10 where the circumferences of laminate films 60 are heat-bonded at a heat-bonded part 14, a content 20 is stored in a storage part 15 formed at the inside of the laminate films 60 and the laminate films 60 are easily tearable in one direction comprises: an opening cutting line 11 which has a starting end at the outer periphery of the heat-bonded part 14, which is extended to an orthogonal direction (X direction) to an easy-tearing direction (Y direction) and which is disposed at one end of the easy-tearing direction (Y direction) of the storage part 15; and a vertically opening start part 13a to trigger the tearing of the top of the storage part 15 at the end edge side of the opening cutting line 11 in the easy-tearing direction (Y direction).</p> |
