DE244557C - - Google Patents
Info
- Publication number
- DE244557C DE244557C DENDAT244557D DE244557DA DE244557C DE 244557 C DE244557 C DE 244557C DE NDAT244557 D DENDAT244557 D DE NDAT244557D DE 244557D A DE244557D A DE 244557DA DE 244557 C DE244557 C DE 244557C
- Authority
- DE
- Germany
- Prior art keywords
- drilling shaft
- feed
- spindle
- drilling
- 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
- 238000005553 drilling Methods 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001681 protective effect 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
- E21B19/081—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 |
|---|---|
| DE244557C true DE244557C (enrdf_load_stackoverflow) |
Family
ID=503589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT244557D Active DE244557C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE244557C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE827042C (de) * | 1946-07-17 | 1952-01-07 | Chicago Pneumatic Tool Co | Gesteinsdrehbohrmaschine mit Vorschubspindel und Spuelwasseranschlusskopf |
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0
- DE DENDAT244557D patent/DE244557C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE827042C (de) * | 1946-07-17 | 1952-01-07 | Chicago Pneumatic Tool Co | Gesteinsdrehbohrmaschine mit Vorschubspindel und Spuelwasseranschlusskopf |