JPS57119242A - Inner face inspection device for circumferential weld section of tube - Google Patents
Inner face inspection device for circumferential weld section of tubeInfo
- Publication number
- JPS57119242A JPS57119242A JP509681A JP509681A JPS57119242A JP S57119242 A JPS57119242 A JP S57119242A JP 509681 A JP509681 A JP 509681A JP 509681 A JP509681 A JP 509681A JP S57119242 A JPS57119242 A JP S57119242A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- guide pipe
- inner face
- inspected
- tube
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
PURPOSE:To conduct for sure inner face inspection of large diameter pipes with their inspection from inside by winding up a reel on the supporting mechanism of a first guide pipe that is mounted on the external section of a tube to be inspected and rotating a second guide pipe that is connected to the first guide pipe. CONSTITUTION:The inspection device comprises a first guide pipe 6 that is inserted through a small hole 5 that is pierced in the pipe wall of a pipe 3 to be inspected and a second guide pipe 8 that is connected through a rotating coupling 7 to the end 6A of the first guide pipe 6 that is bent so as to coincide with the axial line of the pipe 3 to be inspected. Then either one of reels 16 and 17 is held idling and the other is rotated with the section on the tip side of the first guide pipe 6 and the second guide pipe 8 inserted in the pipe 3. With this arrangement the weld section along the inner circumferential weld of large pipe with diameter over 1,800mm. can be inspected for sure at the inner face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP509681A JPS57119242A (en) | 1981-01-19 | 1981-01-19 | Inner face inspection device for circumferential weld section of tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP509681A JPS57119242A (en) | 1981-01-19 | 1981-01-19 | Inner face inspection device for circumferential weld section of tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57119242A true JPS57119242A (en) | 1982-07-24 |
Family
ID=11601843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP509681A Pending JPS57119242A (en) | 1981-01-19 | 1981-01-19 | Inner face inspection device for circumferential weld section of tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57119242A (en) |
-
1981
- 1981-01-19 JP JP509681A patent/JPS57119242A/en active Pending
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