JPH02116590U - - Google Patents
Info
- Publication number
- JPH02116590U JPH02116590U JP2522189U JP2522189U JPH02116590U JP H02116590 U JPH02116590 U JP H02116590U JP 2522189 U JP2522189 U JP 2522189U JP 2522189 U JP2522189 U JP 2522189U JP H02116590 U JPH02116590 U JP H02116590U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- valve
- shield
- pressure
- hydraulic pressure
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2522189U JPH02116590U (de) | 1989-03-07 | 1989-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2522189U JPH02116590U (de) | 1989-03-07 | 1989-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116590U true JPH02116590U (de) | 1990-09-18 |
Family
ID=31245767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2522189U Pending JPH02116590U (de) | 1989-03-07 | 1989-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116590U (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5085128A (de) * | 1973-11-29 | 1975-07-09 | ||
| JPS5833695A (ja) * | 1981-08-25 | 1983-02-26 | 鹿島建設株式会社 | シ−ルド機によるトンネルの自動掘進工法 |
| JPS60119897A (ja) * | 1983-11-29 | 1985-06-27 | 日立建機株式会社 | トンネル掘削機におけるグリツパジヤツキの油圧装置 |
| JPH0328492A (ja) * | 1989-01-31 | 1991-02-06 | Tobishima Corp | シールド掘進機の掘進方向制御方法及び装置 |
-
1989
- 1989-03-07 JP JP2522189U patent/JPH02116590U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5085128A (de) * | 1973-11-29 | 1975-07-09 | ||
| JPS5833695A (ja) * | 1981-08-25 | 1983-02-26 | 鹿島建設株式会社 | シ−ルド機によるトンネルの自動掘進工法 |
| JPS60119897A (ja) * | 1983-11-29 | 1985-06-27 | 日立建機株式会社 | トンネル掘削機におけるグリツパジヤツキの油圧装置 |
| JPH0328492A (ja) * | 1989-01-31 | 1991-02-06 | Tobishima Corp | シールド掘進機の掘進方向制御方法及び装置 |