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

• Espacenet
• Global Dossier
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• 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