Title:
PUNCH MOLD
Document Type and Number:
WIPO Patent Application WO/2006/001329
Kind Code:
A1
Abstract:
A punch mold, comprising a casing (17), a plurality of small diameter and large diameter punches (23) and (27) vertically movably and circularly disposed in the casing, a punch driver (73) vertically movably and relatively rotatably installed on the upper part of the casing, and a striker (87) fitted to the punch driver and capable of pressingly hitting these punches. Stripper springs (51) are installed correspondingly to the small diameter punches, and the large diameter punches are disposed between the small diameter punches. Accordingly, the stripper springs for the small diameter punches on both sides of the large diameter punches act as the stripper springs for the large diameter punches.
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Inventors:
KOMIYA HIDENORI
Application Number:
PCT/JP2005/011528
Publication Date:
January 05, 2006
Filing Date:
June 23, 2005
Export Citation:
Assignee:
AMADA CO LTD (JP)
KOMIYA HIDENORI
KOMIYA HIDENORI
International Classes:
B21D28/00; B21D28/34; B21D28/36; (IPC1-7): B21D28/34; B21D28/00; B21D28/36
Foreign References:
| JPH08206748A | 1996-08-13 | |||
| JPH038524A | 1991-01-16 | |||
| JPH06198540A | 1994-07-19 | |||
| JP3065751U | 2000-02-08 | |||
| JPH08103833A | 1996-04-23 | |||
| JPH08206748A | 1996-08-13 | |||
| JPH06198540A | 1994-07-19 |
Other References:
See also references of EP 1759783A4
Attorney, Agent or Firm:
Miyoshi, Hidekazu (2-8, Toranomon 1-chome, Minato-k, Tokyo 01, JP)
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