JPS6139154B2 - - Google Patents

Info

Publication number
JPS6139154B2
JPS6139154B2 JP961681A JP961681A JPS6139154B2 JP S6139154 B2 JPS6139154 B2 JP S6139154B2 JP 961681 A JP961681 A JP 961681A JP 961681 A JP961681 A JP 961681A JP S6139154 B2 JPS6139154 B2 JP S6139154B2
Authority
JP
Japan
Prior art keywords
steel pipe
current
seam
square steel
workpiece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP961681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57124579A (en
Inventor
Ryoho Sakurai
Shigeo Mizuide
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP961681A priority Critical patent/JPS57124579A/ja
Publication of JPS57124579A publication Critical patent/JPS57124579A/ja
Publication of JPS6139154B2 publication Critical patent/JPS6139154B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/04—Welding by high-frequency current heating by conduction heating
    • B23K13/043—Seam welding
    • B23K13/046—Seam welding for tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP961681A 1981-01-27 1981-01-27 Manufacturing device for rectangular steel tube Granted JPS57124579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP961681A JPS57124579A (en) 1981-01-27 1981-01-27 Manufacturing device for rectangular steel tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP961681A JPS57124579A (en) 1981-01-27 1981-01-27 Manufacturing device for rectangular steel tube

Publications (2)

Publication Number Publication Date
JPS57124579A JPS57124579A (en) 1982-08-03
JPS6139154B2 true JPS6139154B2 (enExample) 1986-09-02

Family

ID=11725216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP961681A Granted JPS57124579A (en) 1981-01-27 1981-01-27 Manufacturing device for rectangular steel tube

Country Status (1)

Country Link
JP (1) JPS57124579A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947075A (ja) * 1982-09-10 1984-03-16 Kawatetsu Kenzai Kogyo Kk 電縫管溶接装置
JPS6064780A (ja) * 1983-09-17 1985-04-13 Nakajima:Kk 溶接用電気接点支持装置
JP6928947B2 (ja) * 2017-06-08 2021-09-01 ナカジマ鋼管株式会社 鋼管製造設備及び鋼管の製造方法

Also Published As

Publication number Publication date
JPS57124579A (en) 1982-08-03

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