| 摘要 |
PROBLEM TO BE SOLVED: To improve operativity in disposing of bags by providing the bag with a lock for keeping a bag body overlapped. SOLUTION: A bag body 10A includes a bag-like recess 16 with both sides of a two-fold valley of a bottom sheet 12 closed by both side seals 14 of barrel sheets 11 on a lower part of the two barrel sheets 12. Both side,seals of the barrel sheets 11 for closing the bag-like recess 16 are formed with spot-fixing lock protrusions 17 between sheets comprising both barrel sheets 11 which have been heat-bonded. At the time of disposal of the bag 10, the bag body 10A is folded to overlap along overlap indication lines 11A, 11B, a top seal 15 of the bag body 10A is inserted into the bag-like recess 16, and a protruding lock 19 is locked with the lock protrusion 17, thereby keeping the bag body overlapped. Operativity in disposal of the bag body 10A can thus be improved.
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