Title:
METHOD FOR MANUFACTURING PRESS-MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2024/075605
Kind Code:
A1
Abstract:
This method for manufacturing a press-molded article is for manufacturing a press-molded article that includes at least a top plate section, a vertical wall section, and a ridge section that is a portion connecting the top plate section and the vertical wall section. The method comprises: a first molding step in which a metal plate blank is press-molded into an intermediate molded article that includes an intermediate top plate section, an intermediate vertical wall section, and an intermediate ridge section connecting the intermediate top plate section and the intermediate vertical wall section, and that includes, in one or a plurality of locations in the intermediate top plate section including the intermediate ridge section, a protruding section which is higher than the reference height of the top plate surface; and a second molding step in which the intermediate molded article is press-molded into a press-molded article.
Inventors:
TANAKA HIROYUKI (JP)
Application Number:
PCT/JP2023/035138
Publication Date:
April 11, 2024
Filing Date:
September 27, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21D22/26
Domestic Patent References:
| WO2015174353A1 | 2015-11-19 | |||
| WO2018225832A1 | 2018-12-13 |
Foreign References:
| JP2021176646A | 2021-11-11 | |||
| JP2007029966A | 2007-02-08 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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