Title:
PUNCH DIE
Document Type and Number:
WIPO Patent Application WO/2015/141351
Kind Code:
A1
Abstract:
A punch die (1) is configured from a punch main body (2) and a protruding part (3) disposed on the pressing surface (P) of the punch main body (2). The protruding part (3) is continuously formed in the form of a line along the lengthwise direction on the center part of the pressing surface (P) of the punch main body (2). The protruding part (3) forms a triangular shape that protrudes downward in a side view, and, at the pressing surface (P), latches onto a material by cutting into same before the pressing surface (P) comes into contact with the material.
Inventors:
ISHIMARU YUKI (JP)
TAKEMOTO NAOHIRO (JP)
TAKEMOTO NAOHIRO (JP)
Application Number:
PCT/JP2015/054225
Publication Date:
September 24, 2015
Filing Date:
February 17, 2015
Export Citation:
Assignee:
FUTABA IND CO LTD (JP)
International Classes:
B21J13/02; B21J5/06
Foreign References:
| JP2003208876A | 2003-07-25 | |||
| JP2002178096A | 2002-06-25 | |||
| JP2010064142A | 2010-03-25 | |||
| US2533942A | 1950-12-12 | |||
| GB1412883A | 1975-11-05 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
Yoshiyuki Inaba (JP)
Yoshiyuki Inaba (JP)
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