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Patent Searching and Data


Title:
PUNCH PRESS DIE
Document Type and Number:
WIPO Patent Application WO/2003/106067
Kind Code:
A1
Abstract:
A punch press die (1) comprises a punch tip (11) for performing press work, and the punch tip (11) is provided in a punch body (13) slideably fitted in a hollow cylinder-shaped punch guide (9). The punch tip (11) comprises an appropriate number of long punch tips (41) for pressing having pressing portions (41A) at the tips and an appropriate number of punch tips (43) for holding with a length shorter than that of the punch tips (41) for pressing. The two kinds of tips (41, 43) are removably provided on the punch body (13). At least either the punch tips (41) for pressing or the punch tips (43) are divided into plural numbers.

Inventors:
Tomita, Kazuo c/o AMADA COMPANY (LIMITED 200, Ishid, Isehara-shi Kanagawa, 259-1196, JP)
Application Number:
PCT/JP2003/007504
Publication Date:
December 24, 2003
Filing Date:
June 12, 2003
Export Citation:
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Assignee:
AMADA COMPANY, LIMITED (200 Ishida, Isehara-shi, Kanagawa, 259-1196, JP)
Tomita, Kazuo c/o AMADA COMPANY (LIMITED 200, Ishid, Isehara-shi Kanagawa, 259-1196, JP)
International Classes:
B21D28/00; B21D28/10; B21D28/34; B21D37/02; (IPC1-7): B21D28/10; B21D28/34; B21D37/02
Foreign References:
JPH05285559A
JPH01192429A
JPS6277124A
JPH05317990A
JPH0615378A
US6189361B1
US5848866A
JPH0480614U
Other References:
See also references of EP 1529576A1
Attorney, Agent or Firm:
Miyoshi, Hidekazu (3rd Floor, Toranomon Daiichi Building 2-3, Toranomon 1-chom, Minato-ku Tokyo, 105-0001, JP)
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