Title:
STRUCTURE AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/195795
Kind Code:
A1
Abstract:
Provided is a structure that is integrally formed using a steel sheet which has an improved formability and a tensile strength of at least 590 MPa, and which is produced by use of a die or a blank holder in which a space is provided in at least a part of the position that comes into contact with a material to be molded during pressure application. In a plan view, this structure has: a top plate that has, at an outer edge thereof, at least one indented section; a first vertical wall which is bent at and extends from a part or an entirety of the outer edge of the top plate including the indented section; a first flange which is bent at and extends from an edge of the first vertical wall on the side opposite to the top plate; and a second vertical wall which is bent at and extends from an edge of the top plate that is different from the outer edge including the indented section, wherein the top plate, the first vertical wall, or the first flange has thereon at least one protrusion.
Inventors:
SAITO MASAHIRO (JP)
Application Number:
PCT/JP2017/017598
Publication Date:
November 16, 2017
Filing Date:
May 09, 2017
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21D22/26; B21D24/00; B62D25/04; B62D25/20
Foreign References:
| JP2010235014A | 2010-10-21 | |||
| JPH10278841A | 1998-10-20 | |||
| JP2010162973A | 2010-07-29 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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