JPH0438516B2 - - Google Patents

Info

Publication number
JPH0438516B2
JPH0438516B2 JP61093277A JP9327786A JPH0438516B2 JP H0438516 B2 JPH0438516 B2 JP H0438516B2 JP 61093277 A JP61093277 A JP 61093277A JP 9327786 A JP9327786 A JP 9327786A JP H0438516 B2 JPH0438516 B2 JP H0438516B2
Authority
JP
Japan
Prior art keywords
edge
explanatory diagram
electric resistance
wall thickness
roll
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 - Lifetime
Application number
JP61093277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62252685A (ja
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 filed Critical
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 JPS62252685A (ja) 1987-11-04
JPH0438516B2 true JPH0438516B2 (en, 2012) 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, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0238123U (en, 2012) * 1988-08-31 1990-03-14
JP2618084B2 (ja) * 1990-10-17 1997-06-11 三菱伸銅株式会社 内面溝付き管の製造方法および製造装置
JP5355182B2 (ja) * 2009-03-31 2013-11-27 日新製鋼株式会社 溶接鋼管の製造方法及びクラッシング設備

Family Cites Families (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

Also Published As

Publication number Publication date
JPS62252685A (ja) 1987-11-04

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