DE180329C - - Google Patents
Info
- Publication number
- DE180329C DE180329C DENDAT180329D DE180329DA DE180329C DE 180329 C DE180329 C DE 180329C DE NDAT180329 D DENDAT180329 D DE NDAT180329D DE 180329D A DE180329D A DE 180329DA DE 180329 C DE180329 C DE 180329C
- Authority
- DE
- Germany
- Prior art keywords
- drum
- piston
- cylinder
- buffer
- air
- 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 3
- 239000000872 buffer Substances 0.000 description 6
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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
- E21B1/04—Devices for reversing the movement of the rod or cable at the surface
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)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE180329C true DE180329C (da) |
Family
ID=444591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT180329D Active DE180329C (da) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE180329C (da) |
-
0
- DE DENDAT180329D patent/DE180329C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE180329C (da) | ||
| DE157878C (da) | ||
| DE2110454C3 (de) | Vorrichtung zum Hervorrufen von Pulsationen bei einer Flüssigkeit in einer Extraktionskolonne und Verfahren zum Betreiben der Vorrichtung | |
| AT16537B (de) | Tiefbohrvorrichtung. | |
| AT16538B (de) | Tiefbohrvorrichtung. | |
| DE143248C (da) | ||
| DE44669C (de) | Zugregulator für Dampfkessel-Feuerungen | |
| DE28446C (de) | Schutzvorrichtung an Webstühlen gegen das Herausspringen des Schützens | |
| DE156050C (da) | ||
| DE101363C (da) | ||
| AT16536B (de) | Tiefbohrvorrichtung. | |
| DE85229C (da) | ||
| DE227997C (da) | ||
| DE237112C (da) | ||
| DE256850C (da) | ||
| DE31223C (de) | Planfriktionshammer | |
| DE111633C (da) | ||
| DE136994C (da) | ||
| DE256875C (da) | ||
| DE85993C (da) | ||
| DE208422C (da) | ||
| DE121910C (da) | ||
| DE328188C (de) | Durch Exzenter (bzw. Kurbel) angetriebener mechanischer Hammer mit federnd aufgehaengtem Baer, insbesondere zum Zerschlagen von Masseln | |
| DE39378C (de) | Gesteinbohrmaschine | |
| DE237549C (da) |