DE201367C - - Google Patents
Info
- Publication number
- DE201367C DE201367C DENDAT201367D DE201367DA DE201367C DE 201367 C DE201367 C DE 201367C DE NDAT201367 D DENDAT201367 D DE NDAT201367D DE 201367D A DE201367D A DE 201367DA DE 201367 C DE201367 C DE 201367C
- Authority
- DE
- Germany
- Prior art keywords
- hammers
- lever
- hammer
- valves
- piston
- 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 7
- 239000011435 rock Substances 0.000 claims description 7
- 210000003813 thumb Anatomy 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010959 steel 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 |
|---|---|
| DE201367C true DE201367C (en:Method) |
Family
ID=463929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT201367D Active DE201367C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE201367C (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484835A (en) * | 1993-05-31 | 1996-01-16 | Mitsubishi Chemical Corporation | Heat-resistant, propylene resin-based molding materials and molded products obtained therefrom |
-
0
- DE DENDAT201367D patent/DE201367C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484835A (en) * | 1993-05-31 | 1996-01-16 | Mitsubishi Chemical Corporation | Heat-resistant, propylene resin-based molding materials and molded products obtained therefrom |
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