MY122203A - Device for drilling or draining holes in soil or rock - Google Patents
Device for drilling or draining holes in soil or rockInfo
- Publication number
- MY122203A MY122203A MYPI9904069A MY122203A MY 122203 A MY122203 A MY 122203A MY PI9904069 A MYPI9904069 A MY PI9904069A MY 122203 A MY122203 A MY 122203A
- Authority
- MY
- Malaysia
- Prior art keywords
- drilling
- jacket tube
- drill bit
- drill
- rod assembly
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Abstract
IN A DEVICE (1) FOR DRILLING, IN PARTICULAR IMPACT DRILLING OR ROTARY PERCUSSION DRILLING, AND DRAINING HOLES IN SOIL OR ROCK MATERIAL, WHEREIN A DRILL BIT (2, 3) MOUNTED ON A DRILL ROD ASSEMBLY (4) FORMS A DRILL HOLE AND A JACKET TUBE (6) IS COUPLED WITH THE DRILL ROD ASSEMBLY (4) OR THE DRILL BIT (2, 3), WHEREIN THE JACKET TUBE (6) IN THE REGION FOLLOWING UPON THE DRILL BIT (2, 3) IS FORMED WITH AT LEAST ONE PASSAGE OPENING (10) THAT OPENS INTO AN ANNULAR SPACE FORMED BETWEEN THE DRILL ROD ASSEMBLY AND THE JACKET TUBE, IT IS PROVIDED THAT THE JACKET TUBE (6), IN THE END REGION FOLLOWING UPON THE DRILL BIT (2, 3), IS SURROUNDED BY AT LEAST ONE FILTERING TUBE (7) FORMED WITH A PLURALITY OF PASSAGE OPENINGS OR SLITS (8) ARRANGED DISTRIBUTEDLY ABOUT ITS PERIPHERY, PARTICULARLY IN A UNIFORM MANNER, WHEREBY ACCORDINGLY SAFE AND RELIABLE DRAINING DURING THE DRILLING PROCEDURE IS FEASIBLE BY SIMPLE MEASURES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9904069 MY122203A (en) | 1999-09-20 | 1999-09-20 | Device for drilling or draining holes in soil or rock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9904069 MY122203A (en) | 1999-09-20 | 1999-09-20 | Device for drilling or draining holes in soil or rock |
Publications (1)
Publication Number | Publication Date |
---|---|
MY122203A true MY122203A (en) | 2006-03-31 |
Family
ID=47257267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9904069 MY122203A (en) | 1999-09-20 | 1999-09-20 | Device for drilling or draining holes in soil or rock |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY122203A (en) |
-
1999
- 1999-09-20 MY MYPI9904069 patent/MY122203A/en unknown
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