BE488332A - - Google Patents
Info
- Publication number
- BE488332A BE488332A BE488332DA BE488332A BE 488332 A BE488332 A BE 488332A BE 488332D A BE488332D A BE 488332DA BE 488332 A BE488332 A BE 488332A
- Authority
- BE
- Belgium
- Prior art keywords
- machine
- breaking down
- coal according
- flexible element
- digging
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 28
- 210000003462 vein Anatomy 0.000 claims description 5
- 230000000740 bleeding effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/54—Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like
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)
- Solid Fuels And Fuel-Associated Substances (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE488332A true BE488332A (enrdf_load_stackoverflow) |
Family
ID=133550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE488332D BE488332A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE488332A (enrdf_load_stackoverflow) |
-
0
- BE BE488332D patent/BE488332A/fr unknown
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