JPH0342898U - - Google Patents
Info
- Publication number
- JPH0342898U JPH0342898U JP10119589U JP10119589U JPH0342898U JP H0342898 U JPH0342898 U JP H0342898U JP 10119589 U JP10119589 U JP 10119589U JP 10119589 U JP10119589 U JP 10119589U JP H0342898 U JPH0342898 U JP H0342898U
- Authority
- JP
- Japan
- Prior art keywords
- face plate
- cutter head
- roller cutters
- increased
- gradually
- 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
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10119589U JPH0342898U (2) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10119589U JPH0342898U (2) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342898U true JPH0342898U (2) | 1991-04-23 |
Family
ID=31650158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10119589U Pending JPH0342898U (2) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342898U (2) |
-
1989
- 1989-08-31 JP JP10119589U patent/JPH0342898U/ja active Pending
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