| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic opening device of the opening part of a bag member automatically opening the opening part of the bag member of which the surface and rear films are adhered to each other. SOLUTION: This automatic opening device 10 of the opening part of the bag member is equipped with a feed part 12. This feed part 12 is constituted so as to successively feed the bag member W comprising two films F' and the opening part. The automatic opening device 10 has further equipped with curving mechanisms 14a-14e for curving the bag member W fed by the feed part 12 so as to deform its opening part. COPYRIGHT: (C)2008,JPO&INPIT
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