| US 7,479,004 B2 | ||
| Die and die device | ||
| Kinshiro Naito, Kanagawa (Japan); Masayuki Shimizu, Kanagawa (Japan); Shigeru Endo, Kanagawa (Japan); Takashi Matsumoto, Kanagawa (Japan); Hiroshi Nakai, Kanagawa (Japan); and Hiroyuki Kobayashi, Kanagawa (Japan) | ||
| Assigned to Amada Company, Limited, Kanagawa (Japan) | ||
| Appl. No. 10/517,318 PCT Filed Jun. 17, 2003, PCT No. PCT/JP03/07674 § 371(c)(1), (2), (4) Date Mar. 09, 2005, PCT Pub. No. WO03/106066, PCT Pub. Date Dec. 24, 2003. |
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| Claims priority of application No. 2002-177211 (JP), filed on Jun. 18, 2002; and application No. 2003-142267 (JP), filed on May 20, 2003. | ||
| Prior Publication US 2005/0220926 A1, Oct. 06, 2005 | ||
| Int. Cl. B26D 7/18 (2006.01) | ||
| U.S. Cl. 425—416 [83/22; 83/24; 83/99] | 16 Claims |
| 1. A die, comprising:
a die body including a die hole configured to punch a work, the die body being configured to be inserted into a die mounting
hole; and
a core provided within the die body, the core comprising a discharge hole which is in communication with the die hole, wherein
the core is provided with a plurality of fluid injection ports configured to obliquely inject fluid downwardly of the discharge
hole, and
the die body is provided with an inflow port through which compressed fluid flows into the fluid injection ports, wherein
the inflow port is positioned above an outlet of the fluid injection ports with respect to a vertically extending direction
of the die body, and wherein
a longitudinally extending outer surface of the core abuts a longitudinally extending inner surface of the die body.
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