Title:
PRESS-FORMING APPARATUS AND METHOD FOR PRODUCING PRESS-FORMED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/127695
Kind Code:
A1
Abstract:
A press-forming apparatus 300 comprises a die 330, a punch 310, and a die pad 320. The die pad 320 is disposed inside the die 330. The die pad 320 is disposed so as to face the punch 310. At a molding bottom dead point PL, holes 400A, 400B are formed in a surface (first and second flange molding parts 313A, 313B, 324A, 324B) along a pressing direction P of the punch 310 and the die pad 320. At the molding bottom dead point PL, said surface faces the die 330. Rims 400aA, 400aB of the holes 400A, 400B are constituted by the die pad 320 and the punch 310.
Inventors:
TOYOKAWA SHIN (JP)
SATAKE KO (JP)
SATAKE KO (JP)
Application Number:
PCT/JP2022/047435
Publication Date:
July 06, 2023
Filing Date:
December 22, 2022
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B21D22/26
Domestic Patent References:
| WO2016075937A1 | 2016-05-19 | |||
| WO2016104376A1 | 2016-06-30 |
Foreign References:
| JP2010120060A | 2010-06-03 |
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (JP)
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