JPH0650769Y2 - マンホール蓋の探傷装置 - Google Patents
マンホール蓋の探傷装置Info
- Publication number
- JPH0650769Y2 JPH0650769Y2 JP13438089U JP13438089U JPH0650769Y2 JP H0650769 Y2 JPH0650769 Y2 JP H0650769Y2 JP 13438089 U JP13438089 U JP 13438089U JP 13438089 U JP13438089 U JP 13438089U JP H0650769 Y2 JPH0650769 Y2 JP H0650769Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- boom
- tip
- manhole
- flaw detector
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000004907 flux Effects 0.000 description 13
- 238000001514 detection method Methods 0.000 description 11
- 238000007689 inspection Methods 0.000 description 10
- 239000006247 magnetic powder Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000006249 magnetic particle Substances 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 206010010149 Complicated fracture Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13438089U JPH0650769Y2 (ja) | 1989-11-21 | 1989-11-21 | マンホール蓋の探傷装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13438089U JPH0650769Y2 (ja) | 1989-11-21 | 1989-11-21 | マンホール蓋の探傷装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0374356U JPH0374356U (cs) | 1991-07-25 |
| JPH0650769Y2 true JPH0650769Y2 (ja) | 1994-12-21 |
Family
ID=31681720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13438089U Expired - Lifetime JPH0650769Y2 (ja) | 1989-11-21 | 1989-11-21 | マンホール蓋の探傷装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0650769Y2 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4610921B2 (ja) * | 2004-03-31 | 2011-01-12 | 関兼次刃物株式会社 | 包丁 |
-
1989
- 1989-11-21 JP JP13438089U patent/JPH0650769Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0374356U (cs) | 1991-07-25 |
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