Title:
The manufacturing method of a press-forming article, the manufacture device of a press-forming article, a mandrel
Document Type and Number:
Japanese Patent JP6202189
Kind Code:
B2
Abstract:
A method for manufacturing a press-formed product includes: a first step of preparing a long material having a bending portion; and a second step of decreasing curvature of the bending portion while restricting both ends of the long material in a longitudinal direction.
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| JPS5925567 | [Title of the device] Hand bender |
Inventors:
Atsushi Nitta
Toru Yoshida
Hiroshi Yoshida
Shinkawa Yoshikawa
Shigeru Yonemura
Toru Yoshida
Hiroshi Yoshida
Shinkawa Yoshikawa
Shigeru Yonemura
Application Number:
JP2016506494A
Publication Date:
September 27, 2017
Filing Date:
March 03, 2015
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
B21D7/06; B21D3/10; B21D47/01; B21D53/88; B21J5/08
Domestic Patent References:
| JP2010120062A | ||||
| JP4009243A | ||||
| JP2010023112A | ||||
| JP2013018016A |
Attorney, Agent or Firm:
Masatake Shiga
Mitsuo Teramoto
Sumio Tanai
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Sumio Tanai
Tomoo Katsumata
Hiroshi Yamaguchi