JPS6247608B2 - - Google Patents

Info

Publication number
JPS6247608B2
JPS6247608B2 JP3730179A JP3730179A JPS6247608B2 JP S6247608 B2 JPS6247608 B2 JP S6247608B2 JP 3730179 A JP3730179 A JP 3730179A JP 3730179 A JP3730179 A JP 3730179A JP S6247608 B2 JPS6247608 B2 JP S6247608B2
Authority
JP
Japan
Prior art keywords
pipe
crushing
pressure
straightened
straightening
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
JP3730179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55128318A (en
Inventor
Munekatsu Furukata
Kenichi Ooyabu
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP3730179A priority Critical patent/JPS55128318A/ja
Publication of JPS55128318A publication Critical patent/JPS55128318A/ja
Publication of JPS6247608B2 publication Critical patent/JPS6247608B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Straightening Metal Sheet-Like Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP3730179A 1979-03-29 1979-03-29 Straightening method of pipe Granted JPS55128318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3730179A JPS55128318A (en) 1979-03-29 1979-03-29 Straightening method of pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3730179A JPS55128318A (en) 1979-03-29 1979-03-29 Straightening method of pipe

Publications (2)

Publication Number Publication Date
JPS55128318A JPS55128318A (en) 1980-10-04
JPS6247608B2 true JPS6247608B2 (enExample) 1987-10-08

Family

ID=12493875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3730179A Granted JPS55128318A (en) 1979-03-29 1979-03-29 Straightening method of pipe

Country Status (1)

Country Link
JP (1) JPS55128318A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216809A (ja) * 1985-07-12 1987-01-26 Sumitomo Metal Ind Ltd 継目無管の外径制御方法
JP5462202B2 (ja) 2011-02-14 2014-04-02 新日鐵住金株式会社 曲がり矯正方法

Also Published As

Publication number Publication date
JPS55128318A (en) 1980-10-04

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