BE343393A - - Google Patents
Info
- Publication number
- BE343393A BE343393A BE343393DA BE343393A BE 343393 A BE343393 A BE 343393A BE 343393D A BE343393D A BE 343393DA BE 343393 A BE343393 A BE 343393A
- Authority
- BE
- Belgium
- Prior art keywords
- shearer
- control member
- motor
- advancement
- control
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 4
- 101100004031 Mus musculus Aven gene Proteins 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
- E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
- E21C29/10—Cable or chain co-operating with a winch or the like on the machine
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)
- Crushing And Pulverization Processes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE343393A true BE343393A (de) |
Family
ID=19710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE343393D BE343393A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE343393A (de) |
-
0
- BE BE343393D patent/BE343393A/fr unknown
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