JPS63136087U - - Google Patents
Info
- Publication number
- JPS63136087U JPS63136087U JP2831687U JP2831687U JPS63136087U JP S63136087 U JPS63136087 U JP S63136087U JP 2831687 U JP2831687 U JP 2831687U JP 2831687 U JP2831687 U JP 2831687U JP S63136087 U JPS63136087 U JP S63136087U
- Authority
- JP
- Japan
- Prior art keywords
- shield machine
- penetrating ring
- inner cylinder
- tunnel
- support structure
- 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.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2831687U JPH0423993Y2 (OSRAM) | 1987-02-27 | 1987-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2831687U JPH0423993Y2 (OSRAM) | 1987-02-27 | 1987-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63136087U true JPS63136087U (OSRAM) | 1988-09-07 |
| JPH0423993Y2 JPH0423993Y2 (OSRAM) | 1992-06-04 |
Family
ID=30831160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2831687U Expired JPH0423993Y2 (OSRAM) | 1987-02-27 | 1987-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423993Y2 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02129493U (OSRAM) * | 1989-03-31 | 1990-10-25 |
-
1987
- 1987-02-27 JP JP2831687U patent/JPH0423993Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02129493U (OSRAM) * | 1989-03-31 | 1990-10-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0423993Y2 (OSRAM) | 1992-06-04 |