Title:
HOT PRESS FORMED PRODUCT, MANUFACTURING METHOD FOR SAME, AND PRESS FORMING EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2013/089167
Kind Code:
A1
Abstract:
When using a press forming mold to manufacture a hot press formed product having a high-strength region and a low-strength in a single component, a hot press formed product exhibiting superior productivity and component ductility during manufacture and exhibiting superior corrosion resistance when necessary is manufactured by heating a steel sheet to a temperature equal to or above the Ac3 transformation point, and then fast cooling the high-strength region before initiating press forming.
Inventors:
OKITA KEISUKE (JP)
NAITOU JUNYA (JP)
IKEDA SHUSHI (JP)
NAITOU JUNYA (JP)
IKEDA SHUSHI (JP)
Application Number:
PCT/JP2012/082291
Publication Date:
June 20, 2013
Filing Date:
December 13, 2012
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B21D22/20; B21D24/00
Foreign References:
| JP2007275937A | 2007-10-25 | |||
| JP2003328031A | 2003-11-19 | |||
| JP2006037141A | 2006-02-09 |
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
Hisakazu Ueki (JP)
Hisakazu Ueki (JP)
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Claims:
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