Title:
PRESS FORMING EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2012/043833
Kind Code:
A1
Abstract:
Provided is press forming equipment comprising a heating furnace and a press forming machine, for press forming a thin steel plate using the press forming machine after heating the thin steel plate in the heating furnace to a temperature at or above an Ac3 transformation point, to produce a formed article. Specifically provided is press forming equipment for producing with good productivity press formed articles that have good formability, to the extent that deep drawing is possible but without defects caused by the formation of scale on the steel plate surface, which is achieved by the provision inside the heating furnace or between the heating furnace and the press forming machine of a cooling section for rapid cooling of the heated thin steel plate.
Inventors:
NAITOU JUNYA
OKITA KEISUKE
IKEDA SHUSHI
OKITA KEISUKE
IKEDA SHUSHI
Application Number:
PCT/JP2011/072667
Publication Date:
April 05, 2012
Filing Date:
September 30, 2011
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
NAITOU JUNYA
OKITA KEISUKE
IKEDA SHUSHI
NAITOU JUNYA
OKITA KEISUKE
IKEDA SHUSHI
International Classes:
B21D24/00; B21D22/20; C21D1/00; C21D1/18; C21D9/00; C21D9/46; C21D9/48
Foreign References:
| JP2007275937A | 2007-10-25 | |||
| JP2005329449A | 2005-12-02 |
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
Hisakazu Ueki (JP)
Hisakazu Ueki (JP)
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