| 摘要 |
This packaging bag with a fastener is one which is produced by fusing a fastener including a male member and a female member being engageable with each other, a joining portion whereby an end of a non-opening side flange portion of the male member is joined with an end of a non-opening side flange portion of the female member, and a ridge portion formed between the joining portion and the flange portion, in which the joining portion has a thickness ranging from not less than 10 µm to not more than 100 µm, the ridge portion has a thickness ranging from not less than 200 µm to not more than 2 mm, the joining portion is thinner than the flange portion, and the ridge portion is thicker than the flange portion, to a bag to form a packaging bag. |
