JPH0378911B2 - - Google Patents
Info
- Publication number
- JPH0378911B2 JPH0378911B2 JP12009486A JP12009486A JPH0378911B2 JP H0378911 B2 JPH0378911 B2 JP H0378911B2 JP 12009486 A JP12009486 A JP 12009486A JP 12009486 A JP12009486 A JP 12009486A JP H0378911 B2 JPH0378911 B2 JP H0378911B2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- auger
- tip
- adjustment
- pipe
- 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
- 238000005553 drilling Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12009486A JPS62280484A (ja) | 1986-05-27 | 1986-05-27 | 削孔装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12009486A JPS62280484A (ja) | 1986-05-27 | 1986-05-27 | 削孔装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62280484A JPS62280484A (ja) | 1987-12-05 |
| JPH0378911B2 true JPH0378911B2 (enrdf_load_stackoverflow) | 1991-12-17 |
Family
ID=14777760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12009486A Granted JPS62280484A (ja) | 1986-05-27 | 1986-05-27 | 削孔装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62280484A (enrdf_load_stackoverflow) |
-
1986
- 1986-05-27 JP JP12009486A patent/JPS62280484A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62280484A (ja) | 1987-12-05 |
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