Title:
継目無鋼管製造におけるホローシェルサポート装置及びサポート方法
Document Type and Number:
Japanese Patent JP5831195
Kind Code:
B2
Inventors:
Koji Sugano
Yusuke Nakamura
Takeshi Miyazawa
Kazutoshi Ishikawa
Yusuke Nakamura
Takeshi Miyazawa
Kazutoshi Ishikawa
Application Number:
JP2011273313A
Publication Date:
December 09, 2015
Filing Date:
December 14, 2011
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21B23/00; B21B39/00
Domestic Patent References:
| JP7328707A | ||||
| JP2080108A | ||||
| JP63145502U | ||||
| JP2009072815A |
Attorney, Agent or Firm:
Kenichiro Ochiai
Eiichi Kobayashi
Eiichi Kobayashi