DE261502C - - Google Patents
Info
- Publication number
- DE261502C DE261502C DENDAT261502D DE261502DA DE261502C DE 261502 C DE261502 C DE 261502C DE NDAT261502 D DENDAT261502 D DE NDAT261502D DE 261502D A DE261502D A DE 261502DA DE 261502 C DE261502 C DE 261502C
- Authority
- DE
- Germany
- Prior art keywords
- rollers
- lever
- handle
- rod
- crosspiece
- 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 6
- 230000000284 resting effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 241001131696 Eurystomus Species 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 241000947840 Alteromonadales Species 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
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 |
|---|---|
| DE261502C true DE261502C (fr) |
Family
ID=519057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT261502D Active DE261502C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE261502C (fr) |
-
0
- DE DENDAT261502D patent/DE261502C/de active Active
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