BE491324A - - Google Patents
Info
- Publication number
- BE491324A BE491324A BE491324DA BE491324A BE 491324 A BE491324 A BE 491324A BE 491324D A BE491324D A BE 491324DA BE 491324 A BE491324 A BE 491324A
- Authority
- BE
- Belgium
- Prior art keywords
- conveyor
- return
- wedge
- racks
- shoring
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 description 8
- 238000007790 scraping Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000003307 slaughter Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
- E21F13/086—Armoured conveyors shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/60—Devices for withdrawing props or chocks
- E21D15/606—Devices for withdrawing props or chocks the props being moved systematically
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)
- Structural Engineering (AREA)
- Intermediate Stations On Conveyors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491324A true BE491324A (de) |
Family
ID=135812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491324D BE491324A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE491324A (de) |
-
0
- BE BE491324D patent/BE491324A/fr unknown
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