JPH0431784Y2 - - Google Patents
Info
- Publication number
- JPH0431784Y2 JPH0431784Y2 JP11364988U JP11364988U JPH0431784Y2 JP H0431784 Y2 JPH0431784 Y2 JP H0431784Y2 JP 11364988 U JP11364988 U JP 11364988U JP 11364988 U JP11364988 U JP 11364988U JP H0431784 Y2 JPH0431784 Y2 JP H0431784Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- male thread
- thread
- groove
- circumferential groove
- 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
Links
- 238000003466 welding Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11364988U JPH0431784Y2 (en]) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11364988U JPH0431784Y2 (en]) | 1988-08-30 | 1988-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0237523U JPH0237523U (en]) | 1990-03-13 |
| JPH0431784Y2 true JPH0431784Y2 (en]) | 1992-07-30 |
Family
ID=31353674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11364988U Expired JPH0431784Y2 (en]) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431784Y2 (en]) |
-
1988
- 1988-08-30 JP JP11364988U patent/JPH0431784Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237523U (en]) | 1990-03-13 |
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