| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag which allows safe heat-cooking of a packaging bag containing contents in a microwave oven and easy opening after the cooking.SOLUTION: A packaging bag 50 includes a side seal part formed by sealing the inner layer films at both ends of a laminate film consisting of an outer-layer film and an inner-layer film, laminated together, so as to face each other and a top seal part and a base seal part formed by sealing the inner layer films at end edges perpendicular to the side seal part. The packaging bag has a notch part 23 for unsealing the top seal part 21 or the base seal part 22 and is unsealed in the top-base direction. In a part extended from the notch part in the top-base unsealing direction, a slit line 10 which penetrates the outer layer film and reaches the surface of the inner layer film is formed. |
