BE333985A - - Google Patents
Info
- Publication number
- BE333985A BE333985A BE333985DA BE333985A BE 333985 A BE333985 A BE 333985A BE 333985D A BE333985D A BE 333985DA BE 333985 A BE333985 A BE 333985A
- Authority
- BE
- Belgium
- Prior art keywords
- bar
- pivoting
- motor
- shaft
- speed
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/10—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE333985A true BE333985A (OSRAM) |
Family
ID=12657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE333985D BE333985A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE333985A (OSRAM) |
-
0
- BE BE333985D patent/BE333985A/fr unknown
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