JPS6255690U - - Google Patents
Info
- Publication number
- JPS6255690U JPS6255690U JP14351685U JP14351685U JPS6255690U JP S6255690 U JPS6255690 U JP S6255690U JP 14351685 U JP14351685 U JP 14351685U JP 14351685 U JP14351685 U JP 14351685U JP S6255690 U JPS6255690 U JP S6255690U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- small
- outer periphery
- tunneling machine
- segments
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 claims 2
- 210000000078 claw Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14351685U JPH0332628Y2 (cs) | 1985-09-21 | 1985-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14351685U JPH0332628Y2 (cs) | 1985-09-21 | 1985-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6255690U true JPS6255690U (cs) | 1987-04-07 |
| JPH0332628Y2 JPH0332628Y2 (cs) | 1991-07-10 |
Family
ID=31053273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14351685U Expired JPH0332628Y2 (cs) | 1985-09-21 | 1985-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332628Y2 (cs) |
-
1985
- 1985-09-21 JP JP14351685U patent/JPH0332628Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332628Y2 (cs) | 1991-07-10 |
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