DE308325C - - Google Patents
Info
- Publication number
- DE308325C DE308325C DENDAT308325D DE308325DA DE308325C DE 308325 C DE308325 C DE 308325C DE NDAT308325 D DENDAT308325 D DE NDAT308325D DE 308325D A DE308325D A DE 308325DA DE 308325 C DE308325 C DE 308325C
- Authority
- DE
- Germany
- Prior art keywords
- handle
- eccentric
- drive
- eccentricity
- during operation
- 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 3
- 239000004575 stone Substances 0.000 description 2
- 238000004880 explosion 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
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE308325C true DE308325C (enExample) |
Family
ID=561596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT308325D Active DE308325C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE308325C (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2631011A (en) * | 1949-08-29 | 1953-03-10 | John F Kendrick | Method for limiting stresses in elongated elastic structures |
| US2631012A (en) * | 1949-10-03 | 1953-03-10 | John F Kendrick | Method to limit stresses in cable tool drilling lines |
-
0
- DE DENDAT308325D patent/DE308325C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2631011A (en) * | 1949-08-29 | 1953-03-10 | John F Kendrick | Method for limiting stresses in elongated elastic structures |
| US2631012A (en) * | 1949-10-03 | 1953-03-10 | John F Kendrick | Method to limit stresses in cable tool drilling lines |
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