JPH02129494U - - Google Patents
Info
- Publication number
- JPH02129494U JPH02129494U JP3810789U JP3810789U JPH02129494U JP H02129494 U JPH02129494 U JP H02129494U JP 3810789 U JP3810789 U JP 3810789U JP 3810789 U JP3810789 U JP 3810789U JP H02129494 U JPH02129494 U JP H02129494U
- Authority
- JP
- Japan
- Prior art keywords
- movable column
- cutter head
- shield body
- major diameter
- diameter direction
- 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
- 230000005641 tunneling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3810789U JPH02129494U (ru) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3810789U JPH02129494U (ru) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02129494U true JPH02129494U (ru) | 1990-10-25 |
Family
ID=31545819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3810789U Pending JPH02129494U (ru) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02129494U (ru) |
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1989
- 1989-03-31 JP JP3810789U patent/JPH02129494U/ja active Pending