JPH0165333U - - Google Patents
Info
- Publication number
- JPH0165333U JPH0165333U JP1987160019U JP16001987U JPH0165333U JP H0165333 U JPH0165333 U JP H0165333U JP 1987160019 U JP1987160019 U JP 1987160019U JP 16001987 U JP16001987 U JP 16001987U JP H0165333 U JPH0165333 U JP H0165333U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- casing
- fluid supply
- outside
- sand
- 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
- 239000004576 sand Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16001987U JPH0538124Y2 (ru) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16001987U JPH0538124Y2 (ru) | 1987-10-21 | 1987-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0165333U true JPH0165333U (ru) | 1989-04-26 |
| JPH0538124Y2 JPH0538124Y2 (ru) | 1993-09-27 |
Family
ID=31441724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16001987U Expired - Lifetime JPH0538124Y2 (ru) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0538124Y2 (ru) |
-
1987
- 1987-10-21 JP JP16001987U patent/JPH0538124Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0538124Y2 (ru) | 1993-09-27 |