DE239527C - - Google Patents
Info
- Publication number
- DE239527C DE239527C DENDAT239527D DE239527DA DE239527C DE 239527 C DE239527 C DE 239527C DE NDAT239527 D DENDAT239527 D DE NDAT239527D DE 239527D A DE239527D A DE 239527DA DE 239527 C DE239527 C DE 239527C
- Authority
- DE
- Germany
- Prior art keywords
- ram
- drill
- screw spindle
- rotation
- casing
- 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
- 238000005553 drilling Methods 0.000 claims description 6
- 210000001331 nose Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
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)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE239527C true DE239527C (show.php) |
Family
ID=498963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT239527D Active DE239527C (show.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE239527C (show.php) |
-
0
- DE DENDAT239527D patent/DE239527C/de active Active
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