JPH02125096U - - Google Patents
Info
- Publication number
- JPH02125096U JPH02125096U JP3424989U JP3424989U JPH02125096U JP H02125096 U JPH02125096 U JP H02125096U JP 3424989 U JP3424989 U JP 3424989U JP 3424989 U JP3424989 U JP 3424989U JP H02125096 U JPH02125096 U JP H02125096U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- distance
- detector
- reaction force
- detected
- 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 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3424989U JPH02125096U (enExample) | 1989-03-28 | 1989-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3424989U JPH02125096U (enExample) | 1989-03-28 | 1989-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02125096U true JPH02125096U (enExample) | 1990-10-15 |
Family
ID=31538555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3424989U Pending JPH02125096U (enExample) | 1989-03-28 | 1989-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02125096U (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016216984A (ja) * | 2015-05-19 | 2016-12-22 | 東日本旅客鉄道株式会社 | 覆工エレメントの地山への貫入管理方法及び管理装置 |
-
1989
- 1989-03-28 JP JP3424989U patent/JPH02125096U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016216984A (ja) * | 2015-05-19 | 2016-12-22 | 東日本旅客鉄道株式会社 | 覆工エレメントの地山への貫入管理方法及び管理装置 |