JPH02132796U - - Google Patents
Info
- Publication number
- JPH02132796U JPH02132796U JP4219989U JP4219989U JPH02132796U JP H02132796 U JPH02132796 U JP H02132796U JP 4219989 U JP4219989 U JP 4219989U JP 4219989 U JP4219989 U JP 4219989U JP H02132796 U JPH02132796 U JP H02132796U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- shell
- shaft
- direction perpendicular
- connected via
- 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 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4219989U JPH02132796U (de) | 1989-04-11 | 1989-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4219989U JPH02132796U (de) | 1989-04-11 | 1989-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132796U true JPH02132796U (de) | 1990-11-05 |
Family
ID=31553530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4219989U Pending JPH02132796U (de) | 1989-04-11 | 1989-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132796U (de) |
-
1989
- 1989-04-11 JP JP4219989U patent/JPH02132796U/ja active Pending