JP2534692Y2 - さく孔装置の信号線 - Google Patents
さく孔装置の信号線Info
- Publication number
- JP2534692Y2 JP2534692Y2 JP1990123896U JP12389690U JP2534692Y2 JP 2534692 Y2 JP2534692 Y2 JP 2534692Y2 JP 1990123896 U JP1990123896 U JP 1990123896U JP 12389690 U JP12389690 U JP 12389690U JP 2534692 Y2 JP2534692 Y2 JP 2534692Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- drilling
- signal line
- drilling device
- sensor
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims description 29
- 239000011435 rock Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000011253 protective coating Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123896U JP2534692Y2 (ja) | 1990-11-26 | 1990-11-26 | さく孔装置の信号線 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123896U JP2534692Y2 (ja) | 1990-11-26 | 1990-11-26 | さく孔装置の信号線 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482095U JPH0482095U (enrdf_load_stackoverflow) | 1992-07-16 |
| JP2534692Y2 true JP2534692Y2 (ja) | 1997-05-07 |
Family
ID=31871578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990123896U Expired - Lifetime JP2534692Y2 (ja) | 1990-11-26 | 1990-11-26 | さく孔装置の信号線 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534692Y2 (enrdf_load_stackoverflow) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415185U (enrdf_load_stackoverflow) * | 1977-07-05 | 1979-01-31 | ||
| JPH061668Y2 (ja) * | 1987-09-10 | 1994-01-12 | 佐藤工業株式会社 | チャージングケージの相互干渉防止装置 |
| JPH0540675Y2 (enrdf_load_stackoverflow) * | 1988-03-07 | 1993-10-15 | ||
| JPH01287394A (ja) * | 1988-05-13 | 1989-11-20 | Sato Kogyo Co Ltd | トンネルの削孔方法 |
-
1990
- 1990-11-26 JP JP1990123896U patent/JP2534692Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0482095U (enrdf_load_stackoverflow) | 1992-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |