JPH025494U - - Google Patents
Info
- Publication number
- JPH025494U JPH025494U JP7984588U JP7984588U JPH025494U JP H025494 U JPH025494 U JP H025494U JP 7984588 U JP7984588 U JP 7984588U JP 7984588 U JP7984588 U JP 7984588U JP H025494 U JPH025494 U JP H025494U
- Authority
- JP
- Japan
- Prior art keywords
- feed length
- feed
- truck
- rock drill
- detection section
- 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
- 238000005553 drilling Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7984588U JPH0613898Y2 (ja) | 1988-06-16 | 1988-06-16 | さく孔装置のフィード長表示装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7984588U JPH0613898Y2 (ja) | 1988-06-16 | 1988-06-16 | さく孔装置のフィード長表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH025494U true JPH025494U (cs) | 1990-01-16 |
| JPH0613898Y2 JPH0613898Y2 (ja) | 1994-04-13 |
Family
ID=31304692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7984588U Expired - Lifetime JPH0613898Y2 (ja) | 1988-06-16 | 1988-06-16 | さく孔装置のフィード長表示装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613898Y2 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016011499A (ja) * | 2014-06-27 | 2016-01-21 | 大成建設株式会社 | 削孔状態の判定方法、削孔長の算出方法、および地質の検層方法 |
-
1988
- 1988-06-16 JP JP7984588U patent/JPH0613898Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016011499A (ja) * | 2014-06-27 | 2016-01-21 | 大成建設株式会社 | 削孔状態の判定方法、削孔長の算出方法、および地質の検層方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613898Y2 (ja) | 1994-04-13 |
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