DE145804C - - Google Patents
Info
- Publication number
- DE145804C DE145804C DENDAT145804D DE145804DA DE145804C DE 145804 C DE145804 C DE 145804C DE NDAT145804 D DENDAT145804 D DE NDAT145804D DE 145804D A DE145804D A DE 145804DA DE 145804 C DE145804 C DE 145804C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- screw
- rock
- sleeve
- spring
- 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
- 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
- E21B19/081—Screw-and-nut feed mechanisms
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 |
|---|---|
| DE145804C true DE145804C (forum.php) |
Family
ID=413126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145804D Active DE145804C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145804C (forum.php) |
-
0
- DE DENDAT145804D patent/DE145804C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2821635C2 (de) | Hubvorrichtung | |
| DE145804C (forum.php) | ||
| DE1552631B2 (de) | Elektrisch angetriebenes Nibbel¬ | |
| DE488843C (de) | Spannfutter mit Druckkolbenantrieb | |
| DE240666C (forum.php) | ||
| DE215278C (forum.php) | ||
| DE195406C (forum.php) | ||
| DE159765C (forum.php) | ||
| DE612238C (de) | Tragbare, auf das zu bearbeitende Werkstueck aufsetzbare Zylinderausbohrvorrichtung | |
| DE265605C (forum.php) | ||
| DE45396C (de) | Bohrbank | |
| DE238560C (forum.php) | ||
| DE920842C (de) | Verfahren und Vorrichtung zur Beeinflussung der Vorschubgeschwindigkeit des Bohrers einer Gesteinsbohrmaschine | |
| DE302010C (forum.php) | ||
| DE92827C (forum.php) | ||
| DE667763C (de) | Schnellspannvorrichtung fuer die Werkstoffstange an selbsttaetigen Drehbaenken | |
| DE251869C (forum.php) | ||
| DE218844C (forum.php) | ||
| DE474737C (de) | Gesteindrehbohrmaschine mit Hohlspindel, in welcher die mit Gewindegaengen hoher Steigung versehene verschiebbare Bohrspindel auf Drehung gekuppelt ist | |
| DE211525C (forum.php) | ||
| DE465799C (de) | Schleifvorrichtung mit im Arbeitsvorschub axial hin und her bewegter umlaufender Werkzeugspindel | |
| DE3418C (de) | Maschine zum raschen Schneiden durchgehender innerer und äufserer Gewinde | |
| DE133858C (forum.php) | ||
| DE158313C (forum.php) | ||
| DE15159C (de) | Kohlenbohrmaschine |