JPS6238370A - 鋼管の壁内金属接触検出装置 - Google Patents
鋼管の壁内金属接触検出装置Info
- Publication number
- JPS6238370A JPS6238370A JP60178724A JP17872485A JPS6238370A JP S6238370 A JPS6238370 A JP S6238370A JP 60178724 A JP60178724 A JP 60178724A JP 17872485 A JP17872485 A JP 17872485A JP S6238370 A JPS6238370 A JP S6238370A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- wall
- current
- reinforcing bar
- magnetic field
- 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 Resistance Or Impedance (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60178724A JPS6238370A (ja) | 1985-08-14 | 1985-08-14 | 鋼管の壁内金属接触検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60178724A JPS6238370A (ja) | 1985-08-14 | 1985-08-14 | 鋼管の壁内金属接触検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6238370A true JPS6238370A (ja) | 1987-02-19 |
| JPH0516550B2 JPH0516550B2 (fr) | 1993-03-04 |
Family
ID=16053459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60178724A Granted JPS6238370A (ja) | 1985-08-14 | 1985-08-14 | 鋼管の壁内金属接触検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6238370A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01314990A (ja) * | 1988-06-15 | 1989-12-20 | Tokyo Gas Co Ltd | 地中埋設管に於ける導電性動体の接触検出方法及び装置 |
-
1985
- 1985-08-14 JP JP60178724A patent/JPS6238370A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01314990A (ja) * | 1988-06-15 | 1989-12-20 | Tokyo Gas Co Ltd | 地中埋設管に於ける導電性動体の接触検出方法及び装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0516550B2 (fr) | 1993-03-04 |
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