DE216717C - - Google Patents
Info
- Publication number
- DE216717C DE216717C DENDAT216717D DE216717DA DE216717C DE 216717 C DE216717 C DE 216717C DE NDAT216717 D DENDAT216717 D DE NDAT216717D DE 216717D A DE216717D A DE 216717DA DE 216717 C DE216717 C DE 216717C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- chisel
- valve
- water
- water hammer
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
- Percussive Tools And Related Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE216717C true DE216717C (cs) |
Family
ID=478098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT216717D Active DE216717C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE216717C (cs) |
-
0
- DE DENDAT216717D patent/DE216717C/de active Active
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