Title:
【発明の名称】難加工性継目無鋼管の製造方法
Document Type and Number:
Japanese Patent JP3367332
Kind Code:
B2
Inventors:
Koichi Tsutsumi
Shinichi Nishioka
Tatsuro Katsumura
Takashi Ariizumi
Rio Nakagome
Takashi Itakura
Shinichi Nishioka
Tatsuro Katsumura
Takashi Ariizumi
Rio Nakagome
Takashi Itakura
Application Number:
JP12010096A
Publication Date:
January 14, 2003
Filing Date:
May 15, 1996
Export Citation:
Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
B22D11/00; B21B1/46; B21B19/04; B22D11/10; B22D11/115; B22D11/128; B22D11/20; C21D8/10; C22C38/00; C22C38/18; (IPC1-7): B21B19/04; B21B1/46; B22D11/00; B22D11/128; B22D11/20; C21D8/10; C22C38/00; C22C38/18
Domestic Patent References:
| JP7108358A | ||||
| JP7185763A | ||||
| JP7204812A | ||||
| JP7299550A | ||||
| JP3198964A | ||||
| JP9300053A | ||||
| JP9295113A | ||||
| JP9253798A | ||||
| JP999349A | ||||
| JP819843A | ||||
| JP852555A | ||||
| JP7164020A | ||||
| JP61180603A | ||||
| JP613605A | ||||
| JP55106611A |
Attorney, Agent or Firm:
Yasuo Ishikawa