BE487315A - - Google Patents
Info
- Publication number
- BE487315A BE487315A BE487315DA BE487315A BE 487315 A BE487315 A BE 487315A BE 487315D A BE487315D A BE 487315DA BE 487315 A BE487315 A BE 487315A
- Authority
- BE
- Belgium
- Prior art keywords
- knives
- picks
- shearer
- further characterized
- conveyor
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 14
- 230000000740 bleeding effect Effects 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 8
- 238000005065 mining Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 210000003462 vein Anatomy 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 4
- 239000003830 anthracite Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003307 slaughter Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 239000002699 waste material Substances 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
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/46—Mineral freed by means not involving slitting by percussed planing means
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 |
|---|---|
| BE487315A true BE487315A (de) |
Family
ID=132790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE487315D BE487315A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE487315A (de) |
-
0
- BE BE487315D patent/BE487315A/fr unknown
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