Title:
Ｕ字曲がり部分を有する中空管の製造方法およびＵ字曲がり部分を有する中空管の製造装置
Document Type and Number:
Japanese Patent JP6520488
Kind Code:
B2
Inventors:
Manabu Wada
Keisuke Iguchi
Masaaki Mizumura
Keisuke Iguchi
Masaaki Mizumura
Application Number:
JP2015136265A
Publication Date:
May 29, 2019
Filing Date:
July 07, 2015
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21D9/15; B21D26/033
Domestic Patent References:
| JP53113257A | ||||
| JP2013107082A | ||||
| JP2006231337A | ||||
| JP11019729A | ||||
| JP2002219526A |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Masatake Shiga
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Masatake Shiga