BE570616A - - Google Patents
Info
- Publication number
- BE570616A BE570616A BE570616DA BE570616A BE 570616 A BE570616 A BE 570616A BE 570616D A BE570616D A BE 570616DA BE 570616 A BE570616 A BE 570616A
- Authority
- BE
- Belgium
- Prior art keywords
- machine
- head
- conveyor
- coal
- cutting
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 description 8
- 238000013138 pruning Methods 0.000 description 6
- 239000000969 carrier Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
- E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
- E21C27/124—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with rotatable cutters provided with breaking-down members
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)
- Harvesting Machines For Specific Crops (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE570616A true BE570616A (forum.php) |
Family
ID=189108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE570616D BE570616A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE570616A (forum.php) |
-
0
- BE BE570616D patent/BE570616A/fr unknown
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