SE392948B - PRESSURE AIR-POWERED IMPACT DRILLING MACHINE - Google Patents
PRESSURE AIR-POWERED IMPACT DRILLING MACHINEInfo
- Publication number
- SE392948B SE392948B SE7509029A SE7509029A SE392948B SE 392948 B SE392948 B SE 392948B SE 7509029 A SE7509029 A SE 7509029A SE 7509029 A SE7509029 A SE 7509029A SE 392948 B SE392948 B SE 392948B
- Authority
- SE
- Sweden
- Prior art keywords
- pressure air
- drilling machine
- impact drilling
- powered impact
- powered
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
- E21B6/08—Separate drives for percussion and rotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7509029A SE392948B (en) | 1975-08-12 | 1975-08-12 | PRESSURE AIR-POWERED IMPACT DRILLING MACHINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7509029A SE392948B (en) | 1975-08-12 | 1975-08-12 | PRESSURE AIR-POWERED IMPACT DRILLING MACHINE |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7509029L SE7509029L (en) | 1977-02-13 |
SE392948B true SE392948B (en) | 1977-04-25 |
Family
ID=20325278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7509029A SE392948B (en) | 1975-08-12 | 1975-08-12 | PRESSURE AIR-POWERED IMPACT DRILLING MACHINE |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE392948B (en) |
-
1975
- 1975-08-12 SE SE7509029A patent/SE392948B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE7509029L (en) | 1977-02-13 |
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