DE290099C - - Google Patents
Info
- Publication number
- DE290099C DE290099C DENDAT290099D DE290099DA DE290099C DE 290099 C DE290099 C DE 290099C DE NDAT290099 D DENDAT290099 D DE NDAT290099D DE 290099D A DE290099D A DE 290099DA DE 290099 C DE290099 C DE 290099C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- bolt
- cutting edge
- shaft
- gesture
- 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
- 238000005520 cutting process Methods 0.000 claims description 18
- 238000005553 drilling Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
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 Tools (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE290099C true DE290099C (enrdf_load_stackoverflow) |
Family
ID=545085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT290099D Active DE290099C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE290099C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2713850A (en) * | 1953-02-20 | 1955-07-26 | Automotive Prod Co Ltd | Fluid servo-motors |
| US3318619A (en) * | 1963-12-16 | 1967-05-09 | Philips Corp | Locking device for vacuum cleaner tube |
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0
- DE DENDAT290099D patent/DE290099C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2713850A (en) * | 1953-02-20 | 1955-07-26 | Automotive Prod Co Ltd | Fluid servo-motors |
| US3318619A (en) * | 1963-12-16 | 1967-05-09 | Philips Corp | Locking device for vacuum cleaner tube |