JPS5427492A - Method and apparatus for detecting positions of joined portions of steel pipes - Google Patents

Method and apparatus for detecting positions of joined portions of steel pipes

Info

Publication number
JPS5427492A
JPS5427492A JP9281777A JP9281777A JPS5427492A JP S5427492 A JPS5427492 A JP S5427492A JP 9281777 A JP9281777 A JP 9281777A JP 9281777 A JP9281777 A JP 9281777A JP S5427492 A JPS5427492 A JP S5427492A
Authority
JP
Japan
Prior art keywords
steel pipes
joined portions
detecting positions
detecting
turning
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
JP9281777A
Other languages
Japanese (ja)
Other versions
JPS5942261B2 (en
Inventor
Kiyoshi Matsui
Toshiyuki Matsumi
Hisao Horibe
Hiroshi Endo
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.)
HARA DENSHI SOKKI KK
Nippon Steel Corp
Eddio Corp
Original Assignee
HARA DENSHI SOKKI KK
Nippon Steel Corp
Eddio Corp
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 HARA DENSHI SOKKI KK, Nippon Steel Corp, Eddio Corp filed Critical HARA DENSHI SOKKI KK
Priority to JP52092817A priority Critical patent/JPS5942261B2/en
Publication of JPS5427492A publication Critical patent/JPS5427492A/en
Publication of JPS5942261B2 publication Critical patent/JPS5942261B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE: To reduce the variations in flaw detecting sensitivity by turning a detecting coil within the plane parallel with the axial center of a steel pipe and positioned above the joined part of the steel pipe and providing a detector for detecting the turning of the detecting coil.
COPYRIGHT: (C)1979,JPO&Japio
JP52092817A 1977-08-02 1977-08-02 Steel pipe joint position detection method and device Expired JPS5942261B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52092817A JPS5942261B2 (en) 1977-08-02 1977-08-02 Steel pipe joint position detection method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52092817A JPS5942261B2 (en) 1977-08-02 1977-08-02 Steel pipe joint position detection method and device

Publications (2)

Publication Number Publication Date
JPS5427492A true JPS5427492A (en) 1979-03-01
JPS5942261B2 JPS5942261B2 (en) 1984-10-13

Family

ID=14064969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52092817A Expired JPS5942261B2 (en) 1977-08-02 1977-08-02 Steel pipe joint position detection method and device

Country Status (1)

Country Link
JP (1) JPS5942261B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651525A (en) * 1979-10-04 1981-05-09 Kawasaki Steel Corp Seam follow-up control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651525A (en) * 1979-10-04 1981-05-09 Kawasaki Steel Corp Seam follow-up control method
JPS595648B2 (en) * 1979-10-04 1984-02-06 川崎製鉄株式会社 Seam tracking control method

Also Published As

Publication number Publication date
JPS5942261B2 (en) 1984-10-13

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