| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel punching die and a punching method using this die, capable of largely shortening preparatory work time such as the replacement of a punching die when manufacturing a plurality of kinds of paper containers. SOLUTION: The plurality of kinds of paper containers are manufactured by one time punching work by arranging these dies in a chase by combining in response to a production quantity of required paper containers, by making the combinable unit dies with every paper container. COPYRIGHT: (C)2005,JPO&NCIPI
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