JPH0540154Y2 - - Google Patents
Info
- Publication number
- JPH0540154Y2 JPH0540154Y2 JP20131587U JP20131587U JPH0540154Y2 JP H0540154 Y2 JPH0540154 Y2 JP H0540154Y2 JP 20131587 U JP20131587 U JP 20131587U JP 20131587 U JP20131587 U JP 20131587U JP H0540154 Y2 JPH0540154 Y2 JP H0540154Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter disks
- cutter
- shield
- disks
- outer shell
- 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.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 13
- 239000002689 soil Substances 0.000 description 10
- 230000005641 tunneling Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- JGPMMRGNQUBGND-UHFFFAOYSA-N idebenone Chemical compound COC1=C(OC)C(=O)C(CCCCCCCCCCO)=C(C)C1=O JGPMMRGNQUBGND-UHFFFAOYSA-N 0.000 description 1
- 229960004135 idebenone Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20131587U JPH0540154Y2 (ru) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20131587U JPH0540154Y2 (ru) | 1987-12-29 | 1987-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01105696U JPH01105696U (ru) | 1989-07-17 |
| JPH0540154Y2 true JPH0540154Y2 (ru) | 1993-10-12 |
Family
ID=31491683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20131587U Expired - Lifetime JPH0540154Y2 (ru) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540154Y2 (ru) |
-
1987
- 1987-12-29 JP JP20131587U patent/JPH0540154Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01105696U (ru) | 1989-07-17 |
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