JPH01160090U - - Google Patents
Info
- Publication number
- JPH01160090U JPH01160090U JP5275588U JP5275588U JPH01160090U JP H01160090 U JPH01160090 U JP H01160090U JP 5275588 U JP5275588 U JP 5275588U JP 5275588 U JP5275588 U JP 5275588U JP H01160090 U JPH01160090 U JP H01160090U
- Authority
- JP
- Japan
- Prior art keywords
- cutter head
- small
- tip
- earth
- diameter tube
- 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
- 239000004576 sand Substances 0.000 claims 2
- 230000032258 transport Effects 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5275588U JPH01160090U (de) | 1988-04-21 | 1988-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5275588U JPH01160090U (de) | 1988-04-21 | 1988-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160090U true JPH01160090U (de) | 1989-11-07 |
Family
ID=31278754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5275588U Pending JPH01160090U (de) | 1988-04-21 | 1988-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160090U (de) |
-
1988
- 1988-04-21 JP JP5275588U patent/JPH01160090U/ja active Pending