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1. 发明专利

JPH11342423A BAND MATERIAL BENDING DEVICE 失效
公开(公告)号：JPH11342423A
公开(公告)日：1999-12-14
申请号：JP14750798
申请日：1998-05-28
申请人： CHIYODA KK , MIZUNO MOKKO SEWING MACHINE SU
发明人： MIZUNO HIROSHI , MIZUNO KAZUYUKI , YAGI YASUHIKO , MIZUNO KAZUO
IPC分类号： B26F1/00 , B21D5/01 , B21D5/04 , B21D53/64
摘要： PROBLEM TO BE SOLVED: To provide a flexibility with a device so that the same bending machine can bend a band material of different size in thickness or in width and the like in a bending processing of a Thomson blade (a hooped blade) in a desired shape, with which a punching, for example, of a cardboard and the like into a developed box shape or other shape is carried out. SOLUTION: On a band material holding member 5, the band material paths 6 and 7 of different size are formed in a two stored shape which can pass through each of the band materials of different sizes in thickness and the like respectively. A band material holding member 5 is elevated by a motor 15 via a screw driving mechanism 14 so that either of the paths 6 and 7 is positioned at a bend processing point P. A bending sleeve 10 is rotatably engaged in the outside of the member 5 as a moving bend tool. Bending parts 10a, 10b installed at both sides of an opening 10d, are pressed against a band material W being extruded from an exit of the path 6 or 7 and bends the material W to the right or left. When a sort of the material W is changed (a log change), the member 5 moves upward so that, for example, the path 7 is positioned at a bend processing point P for carrying out the similar bending processing under that condition.

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