BE549772A - - Google Patents

Info

Publication number

BE549772A

BE549772A BE549772DA BE549772A BE 549772 A BE549772 A BE 549772A BE 549772D A BE549772D A BE 549772DA BE 549772 A BE549772 A BE 549772A

Authority

BE

Belgium

Prior art keywords

heads

coal

motor

mining machine

cutting

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• 239000003245 coal Substances 0.000 claims description 37
• 238000005520 cutting process Methods 0.000 claims description 20
• 238000013138 pruning Methods 0.000 claims description 10
• 238000005065 mining Methods 0.000 claims description 8
• 239000003610 charcoal Substances 0.000 claims description 4
• 230000009471 action Effects 0.000 claims description 3
• 150000001768 cations Chemical class 0.000 claims 1
• 238000007790 scraping Methods 0.000 claims 1
• 125000006850 spacer group Chemical group 0.000 claims 1
• 210000003128 head Anatomy 0.000 description 47
• 210000005069 ears Anatomy 0.000 description 7
• 238000000034 method Methods 0.000 description 4
• 210000003462 vein Anatomy 0.000 description 4
• 239000000428 dust Substances 0.000 description 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
• 229910052799 carbon Inorganic materials 0.000 description 2
• 230000000295 complement effect Effects 0.000 description 2
• 238000006073 displacement reaction Methods 0.000 description 2
• 230000008569 process Effects 0.000 description 2
• 230000000750 progressive effect Effects 0.000 description 2
• 238000011084 recovery Methods 0.000 description 2
• 230000005540 biological transmission Effects 0.000 description 1
• 238000005422 blasting Methods 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 238000003776 cleavage reaction Methods 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 238000003197 gene knockdown Methods 0.000 description 1
• 230000006872 improvement Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000010355 oscillation Effects 0.000 description 1
• 230000009467 reduction Effects 0.000 description 1
• 230000007017 scission Effects 0.000 description 1
• 238000004513 sizing Methods 0.000 description 1
• 238000009966 trimming Methods 0.000 description 1