A welding process of a Electric resistance seam steel pipe which uses a seal box

Title:

A welding process of a Electric resistance seam steel pipe which uses a seal box

Document Type and Number:

Japanese Patent JP6103758

Kind Code:

B2

Inventors:

Makoto Akizuki
Koji Osamu
Igawa Shigenobu
Hiroki Kanazawa

Application Number:

JP2013068239A

Publication Date:

March 29, 2017

Filing Date:

March 28, 2013

Export Citation:

Assignee:

Nisshin Steel Co., Ltd.
Nisshin Steel Pipe Co., Ltd.

International Classes:

B23K13/06; B23K13/00; B23K13/08; B23K37/08

Domestic Patent References:

Attorney, Agent or Firm:

Michiharu Soga
Kajinami order
Masahiro Taguchi
Ichiro Oi
Kazuhiro Mitsunaga
Kazuhiro Oyaku
Satoshi Iino

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