JPH0520964Y2 - - Google Patents
Info
- Publication number
- JPH0520964Y2 JPH0520964Y2 JP5455586U JP5455586U JPH0520964Y2 JP H0520964 Y2 JPH0520964 Y2 JP H0520964Y2 JP 5455586 U JP5455586 U JP 5455586U JP 5455586 U JP5455586 U JP 5455586U JP H0520964 Y2 JPH0520964 Y2 JP H0520964Y2
- Authority
- JP
- Japan
- Prior art keywords
- measuring
- pipe
- mirror
- window
- 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.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 18
- 238000011835 investigation Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Pipeline Systems (AREA)
- Sewage (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5455586U JPH0520964Y2 (enrdf_load_stackoverflow) | 1986-04-11 | 1986-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5455586U JPH0520964Y2 (enrdf_load_stackoverflow) | 1986-04-11 | 1986-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62165549U JPS62165549U (enrdf_load_stackoverflow) | 1987-10-21 |
| JPH0520964Y2 true JPH0520964Y2 (enrdf_load_stackoverflow) | 1993-05-31 |
Family
ID=30881654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5455586U Expired - Lifetime JPH0520964Y2 (enrdf_load_stackoverflow) | 1986-04-11 | 1986-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520964Y2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005077352A (ja) * | 2003-09-03 | 2005-03-24 | Hitachi Ltd | 管内撮影装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100948293B1 (ko) * | 2008-02-29 | 2010-03-17 | 김삼두 | 도통 측정기 및 이를 이용한 도통 측정 방법 |
| JP5795784B2 (ja) * | 2013-08-05 | 2015-10-14 | 東京都下水道サービス株式会社 | 曲がり管路における横断管の断面計測装置及び該断面計測装置を使用してなされる横断管の断面計測方法 |
| JP6181131B2 (ja) * | 2015-10-05 | 2017-08-16 | 東京都下水道サービス株式会社 | 曲がり管路における横断管の流速計測装置及び該横断管の流速計測方法 |
-
1986
- 1986-04-11 JP JP5455586U patent/JPH0520964Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005077352A (ja) * | 2003-09-03 | 2005-03-24 | Hitachi Ltd | 管内撮影装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62165549U (enrdf_load_stackoverflow) | 1987-10-21 |
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