POWERED SUPPORT FOR MINING SEAMS BY CHAMBERS

FIELD: mining industry. SUBSTANCE: this relates to mining minerals in chambers or in short faces by means of powered support. Powered support has sections which are made up of cylinder and rod of hydraulic post which are pivotally installed between upper beam and base, advance jack, control hydrauli...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TSYPLAKOV B.V, ROUT G.N, NAMESTNIKOV JU.I, DUBOVSKIJ JU.P, POTAPENKO V.A, KUT'JA M.P, SIDORCHUK V.K, REMEZOV A.V
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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