Title:
MANUFACTURING METHOD FOR QUENCHED MEMBER AND QUENCHED MEMBER
Document Type and Number:
WIPO Patent Application WO/2018/168957
Kind Code:
A1
Abstract:
A manufacturing method for a quenched member of the present disclosure includes the following: a heating step for heating, to the Ac3 transformation point of a steel plate or greater, an intermediate shaped article processed to have a rectangular cross-sectional shape having an abutting portion where two edges of the steel plate abut each other at the same side; and a quenching step for quenching the intermediate shaped article, which was heated in the heating step, inside a mold.
Inventors:
SUZUKI TOSHIYA (JP)
NAKAZAWA YOSHIAKI (JP)
NAKAZAWA YOSHIAKI (JP)
Application Number:
PCT/JP2018/010059
Publication Date:
September 20, 2018
Filing Date:
March 14, 2018
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21D22/20; B21D5/01; B21D22/26
Foreign References:
| JP2008264853A | 2008-11-06 | |||
| JP2001314923A | 2001-11-13 | |||
| JP2010075993A | 2010-04-08 | |||
| JP5886325B2 | 2016-03-16 | |||
| JP4040840B2 | 2008-01-30 | |||
| JPH09267633A | 1997-10-14 | |||
| JP3114918B2 | 2000-12-04 | |||
| JP5886325B2 | 2016-03-16 | |||
| JP3974324B2 | 2007-09-12 | |||
| JP4040840B2 | 2008-01-30 | |||
| JP2017049911A | 2017-03-09 |
Other References:
See also references of EP 3546081A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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