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 pipesInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5651525A (en) * | 1979-10-04 | 1981-05-09 | Kawasaki Steel Corp | Seam follow-up control method |
-
1977
- 1977-08-02 JP JP52092817A patent/JPS5942261B2/en not_active Expired
Cited By (2)
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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