JPH0458557B2 - - Google Patents
Info
- Publication number
- JPH0458557B2 JPH0458557B2 JP3416785A JP3416785A JPH0458557B2 JP H0458557 B2 JPH0458557 B2 JP H0458557B2 JP 3416785 A JP3416785 A JP 3416785A JP 3416785 A JP3416785 A JP 3416785A JP H0458557 B2 JPH0458557 B2 JP H0458557B2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- bit
- drilling
- fluid
- guide shell
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 22
- 239000011435 rock Substances 0.000 description 15
- 239000000843 powder Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 238000009527 percussion Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3416785A JPS61196097A (ja) | 1985-02-22 | 1985-02-22 | 穿孔装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3416785A JPS61196097A (ja) | 1985-02-22 | 1985-02-22 | 穿孔装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61196097A JPS61196097A (ja) | 1986-08-30 |
| JPH0458557B2 true JPH0458557B2 (de) | 1992-09-17 |
Family
ID=12406646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3416785A Granted JPS61196097A (ja) | 1985-02-22 | 1985-02-22 | 穿孔装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61196097A (de) |
-
1985
- 1985-02-22 JP JP3416785A patent/JPS61196097A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61196097A (ja) | 1986-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |