JPS6238997U - - Google Patents
Info
- Publication number
- JPS6238997U JPS6238997U JP12783785U JP12783785U JPS6238997U JP S6238997 U JPS6238997 U JP S6238997U JP 12783785 U JP12783785 U JP 12783785U JP 12783785 U JP12783785 U JP 12783785U JP S6238997 U JPS6238997 U JP S6238997U
- Authority
- JP
- Japan
- Prior art keywords
- radar
- obstacles
- detection rod
- face plate
- mountains
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985127837U JPH0452306Y2 (en]) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985127837U JPH0452306Y2 (en]) | 1985-08-23 | 1985-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6238997U true JPS6238997U (en]) | 1987-03-07 |
| JPH0452306Y2 JPH0452306Y2 (en]) | 1992-12-09 |
Family
ID=31022970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985127837U Expired JPH0452306Y2 (en]) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452306Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02229392A (ja) * | 1989-02-28 | 1990-09-12 | Ishikawajima Harima Heavy Ind Co Ltd | 密閉形シールド堀進機の障害物検知装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741277U (en]) * | 1980-08-22 | 1982-03-05 | ||
| JPS58181999A (ja) * | 1982-04-19 | 1983-10-24 | 三井建設株式会社 | トンネル等のシ−ルド工事における崩壊部検知方法 |
-
1985
- 1985-08-23 JP JP1985127837U patent/JPH0452306Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741277U (en]) * | 1980-08-22 | 1982-03-05 | ||
| JPS58181999A (ja) * | 1982-04-19 | 1983-10-24 | 三井建設株式会社 | トンネル等のシ−ルド工事における崩壊部検知方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02229392A (ja) * | 1989-02-28 | 1990-09-12 | Ishikawajima Harima Heavy Ind Co Ltd | 密閉形シールド堀進機の障害物検知装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0452306Y2 (en]) | 1992-12-09 |