JPH0297492U - - Google Patents
Info
- Publication number
- JPH0297492U JPH0297492U JP452489U JP452489U JPH0297492U JP H0297492 U JPH0297492 U JP H0297492U JP 452489 U JP452489 U JP 452489U JP 452489 U JP452489 U JP 452489U JP H0297492 U JPH0297492 U JP H0297492U
- Authority
- JP
- Japan
- Prior art keywords
- rectangular
- cutter
- overboard
- section
- rectangular cross
- 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
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989004524U JPH0738476Y2 (ja) | 1989-01-13 | 1989-01-13 | 矩形断面シールド掘進機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989004524U JPH0738476Y2 (ja) | 1989-01-13 | 1989-01-13 | 矩形断面シールド掘進機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0297492U true JPH0297492U (en]) | 1990-08-02 |
| JPH0738476Y2 JPH0738476Y2 (ja) | 1995-09-06 |
Family
ID=31207112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989004524U Expired - Lifetime JPH0738476Y2 (ja) | 1989-01-13 | 1989-01-13 | 矩形断面シールド掘進機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738476Y2 (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828495A (en]) * | 1971-08-14 | 1973-04-14 |
-
1989
- 1989-01-13 JP JP1989004524U patent/JPH0738476Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828495A (en]) * | 1971-08-14 | 1973-04-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738476Y2 (ja) | 1995-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |