DE103025C - - Google Patents
Info
- Publication number
- DE103025C DE103025C DENDAT103025D DE103025DA DE103025C DE 103025 C DE103025 C DE 103025C DE NDAT103025 D DENDAT103025 D DE NDAT103025D DE 103025D A DE103025D A DE 103025DA DE 103025 C DE103025 C DE 103025C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- ring
- claws
- channels
- ratchet wheel
- 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
- 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
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 |
---|---|
DE103025C true DE103025C (forum.php) |
Family
ID=373560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT103025D Active DE103025C (forum.php) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE103025C (forum.php) |
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0
- DE DENDAT103025D patent/DE103025C/de active Active
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