JPS62196292U - - Google Patents
Info
- Publication number
- JPS62196292U JPS62196292U JP8016886U JP8016886U JPS62196292U JP S62196292 U JPS62196292 U JP S62196292U JP 8016886 U JP8016886 U JP 8016886U JP 8016886 U JP8016886 U JP 8016886U JP S62196292 U JPS62196292 U JP S62196292U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- guide rod
- mud
- adding pipe
- rotary telescopic
- 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
- 238000004140 cleaning Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8016886U JPS62196292U (en:Method) | 1986-05-29 | 1986-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8016886U JPS62196292U (en:Method) | 1986-05-29 | 1986-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62196292U true JPS62196292U (en:Method) | 1987-12-14 |
Family
ID=30930726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8016886U Pending JPS62196292U (en:Method) | 1986-05-29 | 1986-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62196292U (en:Method) |
-
1986
- 1986-05-29 JP JP8016886U patent/JPS62196292U/ja active Pending