DE245351C - - Google Patents
Info
- Publication number
- DE245351C DE245351C DENDAT245351D DE245351DA DE245351C DE 245351 C DE245351 C DE 245351C DE NDAT245351 D DENDAT245351 D DE NDAT245351D DE 245351D A DE245351D A DE 245351DA DE 245351 C DE245351 C DE 245351C
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- hammer
- housing
- valve
- pressure medium
- 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
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
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)
- Endoscopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE245351C true DE245351C (forum.php) |
Family
ID=504314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT245351D Active DE245351C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE245351C (forum.php) |
-
0
- DE DENDAT245351D patent/DE245351C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE245351C (forum.php) | ||
| DE29922579U1 (de) | Hydraulische Kraftumsetzungsvorrichtung | |
| AT55970B (de) | Hammerbohrmaschine. | |
| DE243642C (forum.php) | ||
| DE218948C (forum.php) | ||
| DE200273C (forum.php) | ||
| DE1627635C3 (de) | Druckmittelbetätigter Arbeitszylinder für ein elektrisches Widerstands-Schweißwerkzeug | |
| DE264639C (forum.php) | ||
| DE86655C (forum.php) | ||
| DE266542C (forum.php) | ||
| DE249540C (forum.php) | ||
| DE223020C (forum.php) | ||
| DE238244C (forum.php) | ||
| DE221358C (forum.php) | ||
| DE237604C (forum.php) | ||
| DE930811C (de) | Gleitschiebersteuerung fuer mit Dampf oder Druckluft betriebene Duplexpumpe | |
| DE168779C (forum.php) | ||
| DE404632C (de) | Pressluftwerkzeug o. dgl., welches an einem oder mehreren Stielen gehalten wird | |
| DE2033269C3 (de) | Ramm- und Ziehgerät mit einer zum Festklemmen von Pfählen od.dgl. dienenden Zange | |
| AT115533B (de) | Brennstoffeinspritzanordnung bei Dieselmaschinen. | |
| DE260677C (forum.php) | ||
| DE112023000908T5 (de) | Niederzugvorrichtung | |
| DE194532C (forum.php) | ||
| DE258357C (forum.php) | ||
| DE803225C (de) | Handeintreibwerkzeug fuer verschiedene Befestigungsmittel |