| 摘要 |
PROBLEM TO BE SOLVED: To provide an epoch-making bag body having a high commodity value. SOLUTION: The opening part 1a of this bag body 1 is provided with a repeatedly openable/closable airtight sealing structure 6. A degas structure 7 for discharging air in the bag body 1 when a granular filling is filled in the bag body 1 is provided on the bag body 1 and the structure 7 is designed so that the filling does not flow out. COPYRIGHT: (C)2006,JPO&NCIPI
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