| 摘要 |
PROBLEM TO BE SOLVED: To prevent the lift of a blanking scrap and scrap clogging in a die button used for press blanking equipment of work plates. SOLUTION: A hole part 3a which becomes the cutting edge of the work plate 5, and an escape hole part 3b formed continuously from the hole part 3a are formed so as to pass through a die button main body 1a. An air inlet hole 2 for introducing air is formed so as to communicate with the escape hole part 3b. COPYRIGHT: (C)2003,JPO
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