BE521010A - - Google Patents
Info
- Publication number
- BE521010A BE521010A BE521010DA BE521010A BE 521010 A BE521010 A BE 521010A BE 521010D A BE521010D A BE 521010DA BE 521010 A BE521010 A BE 521010A
- Authority
- BE
- Belgium
- Prior art keywords
- pulley
- cable
- shaft
- fixed
- plate
- Prior art date
Links
- 238000005553 drilling Methods 0.000 claims description 10
- 238000009527 percussion Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000003042 antagnostic effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 5
- 240000001987 Pyrus communis Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521010A true BE521010A (de) |
Family
ID=156710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521010D BE521010A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE521010A (de) |
-
0
- BE BE521010D patent/BE521010A/fr unknown
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