Title:
電縫鋼管製造装置及び電縫鋼管製造方法
Document Type and Number:
Japanese Patent JP6458907
Kind Code:
B1
Abstract:
帯状鋼板を管状に成形しつつ、一対の突合せ端面にプラズマ流を供給してシールドしながら溶接を行う電縫鋼管製造装置であって、マンドレルと、前記マンドレルに設けられて前記プラズマ流を供給するプラズマ流供給器と、を備える。
Inventors:
Kotaro Watanabe
Hideki Hamaya
Watanabe Futonori
Ouji Tanaka
Yusuke Takeda
Tomonaga Yuya
Hashimoto Yoshihiro
Hayashi Masahide
Hideki Hamaya
Watanabe Futonori
Ouji Tanaka
Yusuke Takeda
Tomonaga Yuya
Hashimoto Yoshihiro
Hayashi Masahide
Application Number:
JP2018519881A
Publication Date:
January 30, 2019
Filing Date:
January 22, 2018
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
B23K13/06; B21C37/08; B23K13/00
Domestic Patent References:
| JPH0523867A | 1993-02-02 | |||
| JPS5650579U | 1981-05-06 | |||
| JP2004298961A | 2004-10-28 | |||
| JP2013107122A | 2013-06-06 |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi