JPH02116594U - - Google Patents
Info
- Publication number
- JPH02116594U JPH02116594U JP2200089U JP2200089U JPH02116594U JP H02116594 U JPH02116594 U JP H02116594U JP 2200089 U JP2200089 U JP 2200089U JP 2200089 U JP2200089 U JP 2200089U JP H02116594 U JPH02116594 U JP H02116594U
- Authority
- JP
- Japan
- Prior art keywords
- main cutter
- shield
- chains
- bits
- corners
- 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
- 230000005641 tunneling Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2200089U JPH0626630Y2 (ja) | 1989-03-01 | 1989-03-01 | シールド掘進機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2200089U JPH0626630Y2 (ja) | 1989-03-01 | 1989-03-01 | シールド掘進機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02116594U true JPH02116594U (en]) | 1990-09-18 |
| JPH0626630Y2 JPH0626630Y2 (ja) | 1994-07-20 |
Family
ID=31239724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2200089U Expired - Lifetime JPH0626630Y2 (ja) | 1989-03-01 | 1989-03-01 | シールド掘進機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626630Y2 (en]) |
-
1989
- 1989-03-01 JP JP2200089U patent/JPH0626630Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626630Y2 (ja) | 1994-07-20 |