DE217265C - - Google Patents
Info
- Publication number
- DE217265C DE217265C DENDAT217265D DE217265DA DE217265C DE 217265 C DE217265 C DE 217265C DE NDAT217265 D DENDAT217265 D DE NDAT217265D DE 217265D A DE217265D A DE 217265DA DE 217265 C DE217265 C DE 217265C
- Authority
- DE
- Germany
- Prior art keywords
- feed
- spindle
- machine
- feed nut
- nut
- 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
- 239000011435 rock Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 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
- E21B19/081—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)
- Drilling And Boring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE217265C true DE217265C (enrdf_load_stackoverflow) |
Family
ID=478585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT217265D Active DE217265C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE217265C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE938364C (de) * | 1951-07-25 | 1956-01-26 | Siemens Ag | Drehbohrmaschine, insbesondere Gesteinsdrehbohrmaschine |
-
0
- DE DENDAT217265D patent/DE217265C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE938364C (de) * | 1951-07-25 | 1956-01-26 | Siemens Ag | Drehbohrmaschine, insbesondere Gesteinsdrehbohrmaschine |
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