| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing bag preventing a groove in a fastener of the sealing bag from being clogged with stored contents to keep its sealing force and facilitating taking-out of the stored content. SOLUTION: A sheet 4 installed inside of a fastener 3 in the inside of the bag 1 can be expanded outside to cover a groove in the fastener 3, and the groove is prevented from being clogged with the stored contents. COPYRIGHT: (C)2008,JPO&INPIT
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