Title:
電縫溶接鋼管の製造における帯鋼溶接継目部の破断抑制方法
Document Type and Number:
Japanese Patent JP5233902
Kind Code:
B2
Inventors:
Oozaki saki Masakazu
Takuya Asano
Takuya Asano
Application Number:
JP2009188503A
Publication Date:
July 10, 2013
Filing Date:
August 17, 2009
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
B21C37/08; B23K31/00; B23K13/00
Domestic Patent References:
| JP2001162305A | ||||
| JP2005048271A | ||||
| JP2017277B2 | ||||
| JP4033776A | ||||
| JP5050276A | ||||
| JP8276207A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu