JPH02116592U - - Google Patents
Info
- Publication number
- JPH02116592U JPH02116592U JP2387189U JP2387189U JPH02116592U JP H02116592 U JPH02116592 U JP H02116592U JP 2387189 U JP2387189 U JP 2387189U JP 2387189 U JP2387189 U JP 2387189U JP H02116592 U JPH02116592 U JP H02116592U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- pipe
- drilling machine
- control device
- tip
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2387189U JPH02116592U (en, 2012) | 1989-03-03 | 1989-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2387189U JPH02116592U (en, 2012) | 1989-03-03 | 1989-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116592U true JPH02116592U (en, 2012) | 1990-09-18 |
Family
ID=31243232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2387189U Pending JPH02116592U (en, 2012) | 1989-03-03 | 1989-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116592U (en, 2012) |
-
1989
- 1989-03-03 JP JP2387189U patent/JPH02116592U/ja active Pending
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