FIELD: mining industry. SUBSTANCE: continuous mining machine functions in inert gas medium created by gas-impermeable barrier with labyrinth, secured on the machine. Gas liberated from labyrinth passes through dust-trapping apparatus and is discharged from mine. EFFECT: improved operational and functional characteristics. 4 cl, 6 dwg
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Authors
Dates
1995-03-27—Published
1992-06-03—Filed