JPS62252685A - 電縫管の製造方法 - Google Patents

電縫管の製造方法

Info

Publication number
JPS62252685A
JPS62252685A JP9327786A JP9327786A JPS62252685A JP S62252685 A JPS62252685 A JP S62252685A JP 9327786 A JP9327786 A JP 9327786A JP 9327786 A JP9327786 A JP 9327786A JP S62252685 A JPS62252685 A JP S62252685A
Authority
JP
Japan
Prior art keywords
roll
edge
forming
taper
fin pass
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.)
Granted
Application number
JP9327786A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0438516B2 (en]
Inventor
Tadashi Watanabe
正 渡辺
Tetsuaki Sugamasa
菅昌　徹朗
Michihiko Ida
井田　充彦
Kazuo Atago
愛宕　和雄
Yuji Sato
裕二 佐藤
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP9327786A priority Critical patent/JPS62252685A/ja
Publication of JPS62252685A publication Critical patent/JPS62252685A/ja
Publication of JPH0438516B2 publication Critical patent/JPH0438516B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)
JP9327786A 1986-04-24 1986-04-24 電縫管の製造方法 Granted JPS62252685A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9327786A JPS62252685A (ja) 1986-04-24 1986-04-24 電縫管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9327786A JPS62252685A (ja) 1986-04-24 1986-04-24 電縫管の製造方法

Publications (2)

Publication Number Publication Date
JPS62252685A true JPS62252685A (ja) 1987-11-04
JPH0438516B2 JPH0438516B2 (en]) 1992-06-24

Family

ID=14077939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9327786A Granted JPS62252685A (ja) 1986-04-24 1986-04-24 電縫管の製造方法

Country Status (1)

Country Link
JP (1) JPS62252685A (en])

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0238123U (en]) * 1988-08-31 1990-03-14
JPH04157036A (ja) * 1990-10-17 1992-05-29 Mitsubishi Shindoh Co Ltd 内面溝付き管の製造方法および製造装置
JP2010234405A (ja) * 2009-03-31 2010-10-21 Nisshin Steel Co Ltd 溶接鋼管の製造方法及びクラッシング設備

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128383A (en) * 1979-03-27 1980-10-04 Sumitomo Metal Ind Ltd Production of electric welded tube
JPS6036348A (ja) * 1983-08-05 1985-02-25 Nippon Kogaku Kk <Nikon> 眼鏡レンズ用ガラス

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128383A (en) * 1979-03-27 1980-10-04 Sumitomo Metal Ind Ltd Production of electric welded tube
JPS6036348A (ja) * 1983-08-05 1985-02-25 Nippon Kogaku Kk <Nikon> 眼鏡レンズ用ガラス

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0238123U (en]) * 1988-08-31 1990-03-14
JPH04157036A (ja) * 1990-10-17 1992-05-29 Mitsubishi Shindoh Co Ltd 内面溝付き管の製造方法および製造装置
JP2010234405A (ja) * 2009-03-31 2010-10-21 Nisshin Steel Co Ltd 溶接鋼管の製造方法及びクラッシング設備

Also Published As

Publication number Publication date
JPH0438516B2 (en]) 1992-06-24

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