DE252149C - - Google Patents
Info
- Publication number
- DE252149C DE252149C DENDAT252149D DE252149DA DE252149C DE 252149 C DE252149 C DE 252149C DE NDAT252149 D DENDAT252149 D DE NDAT252149D DE 252149D A DE252149D A DE 252149DA DE 252149 C DE252149 C DE 252149C
- Authority
- DE
- Germany
- Prior art keywords
- drive
- pulley
- belt
- drilling
- disk
- 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.)
- Active
Links
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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE252149C true DE252149C (enExample) |
Family
ID=510527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT252149D Active DE252149C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE252149C (enExample) |
-
0
- DE DENDAT252149D patent/DE252149C/de active Active
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