| 摘要 |
PROBLEM TO BE SOLVED: To provide a pillow packaging bag with an easy openable means for performing the opening in a lateral direction facilitating eating and allowing the opened packaging bag as it is to be used as a drinking container bag and a storage container bag.SOLUTION: In a pillow packaging bag 10 of a shifted fin sealing type, in which a one-side end edge 11a and a one-side other end edge 11b of a packaging film 10b are folded back into a tubular shape, inner surfaces of both end parts of the folded back packaging film are disposed opposite each other and fin sealed to form a back seal band 40, a top seal band 20 and a bottom seal band 30 are formed at upper and lower parts of the packaging bag, and a tearing direction of the packaging film is formed in a direction perpendicular to the back seal band, the back seal band is formed by being shifted to one side in a one-side end edge direction and bent in a direction facing the tearing direction. A notch part 50a engraved in a top seal extension part 22 provided in the vicinity of a one-side end edge of the top seal band and a notch part 50b engraved in an end part 41 of the back seal band are simultaneously processed and provided at the same position parallel to the tearing properties. |
