JPS6381996U - - Google Patents
Info
- Publication number
- JPS6381996U JPS6381996U JP17439486U JP17439486U JPS6381996U JP S6381996 U JPS6381996 U JP S6381996U JP 17439486 U JP17439486 U JP 17439486U JP 17439486 U JP17439486 U JP 17439486U JP S6381996 U JPS6381996 U JP S6381996U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- outer shell
- shell structure
- cylindrical
- tunnel excavator
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17439486U JPH0349192Y2 (https=) | 1986-11-13 | 1986-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17439486U JPH0349192Y2 (https=) | 1986-11-13 | 1986-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381996U true JPS6381996U (https=) | 1988-05-30 |
| JPH0349192Y2 JPH0349192Y2 (https=) | 1991-10-21 |
Family
ID=31112736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17439486U Expired JPH0349192Y2 (https=) | 1986-11-13 | 1986-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349192Y2 (https=) |
-
1986
- 1986-11-13 JP JP17439486U patent/JPH0349192Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349192Y2 (https=) | 1991-10-21 |