JPH0412151Y2 - - Google Patents
Info
- Publication number
- JPH0412151Y2 JPH0412151Y2 JP15610087U JP15610087U JPH0412151Y2 JP H0412151 Y2 JPH0412151 Y2 JP H0412151Y2 JP 15610087 U JP15610087 U JP 15610087U JP 15610087 U JP15610087 U JP 15610087U JP H0412151 Y2 JPH0412151 Y2 JP H0412151Y2
- Authority
- JP
- Japan
- Prior art keywords
- earth
- jack
- sand
- piston
- slide
- 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
- 239000004576 sand Substances 0.000 claims description 63
- 238000005086 pumping Methods 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 17
- 239000013049 sediment Substances 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15610087U JPH0412151Y2 (en, 2012) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15610087U JPH0412151Y2 (en, 2012) | 1987-10-14 | 1987-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161294U JPH0161294U (en, 2012) | 1989-04-19 |
| JPH0412151Y2 true JPH0412151Y2 (en, 2012) | 1992-03-25 |
Family
ID=31434325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15610087U Expired JPH0412151Y2 (en, 2012) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412151Y2 (en, 2012) |
-
1987
- 1987-10-14 JP JP15610087U patent/JPH0412151Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0161294U (en, 2012) | 1989-04-19 |
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