| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-blanking die which copes with the distortion of a cardboard, and precisely and simultaneously carries out the blanking of a large number of cards more than those of conventional cases. SOLUTION: The multi-blanking die is composed of a punch (A) and a die (a). <1> The punch (A) has, on a punch holder (B), a fixed punch block (C) having a plurality of punch members (C2) and a sliding punch block (D) having a plurality of punch members (D2). <2> The die (a) has, on a die holder (b), a fixed die block (c) which has a plurality of die holes (c2) having the same shape and size as those of the respective punch member (C2) and is correspondingly fitted to the fixed punch block (C), and a sliding die block (d) which has a plurality of die holes (d2) having the same shape and size as those of the respective punch members (D2) and is correspondingly fitted to the sliding punch block (D). COPYRIGHT: (C)2006,JPO&NCIPI
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