Title:
三次元熱間曲げ焼入れによる曲げ鋼材の製造装置および製造方法
Document Type and Number:
Japanese Patent JP6422390
Kind Code:
B2
More Like This:
Inventors:
Kazuo Uematsu
Haruo Ryo
Satoshi Kitazawa
Haruo Ryo
Satoshi Kitazawa
Application Number:
JP2015081128A
Publication Date:
November 14, 2018
Filing Date:
April 10, 2015
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
Nittetsu Sumikin Steel Tube Co., Ltd.
Nittetsu Sumikin Steel Tube Co., Ltd.
International Classes:
B21D7/16; B21C37/15; B21D7/08; B21D7/14; C21D9/08
Domestic Patent References:
JP2008023573A | ||||
JP2012228713A | ||||
JP2011025314A | ||||
JP60250825A | ||||
JP61037321A |
Foreign References:
EP1961500A1 |
Attorney, Agent or Firm:
Patents corporation Blitas
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