MINE ROOF SUPPORT APPARATUS

A self-advancing support apparatus for protecting mine gate crossings, and optionally for engaging the reversing/driving head of a longwall and/or gate conveyor. The support apparatus has at least two side by side desired construction but expediently of a construction identical with that of the supp...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ANDRAS SOLYMOS, TAMAS KOVACS, JOZSEF KRUPANSZKY, MIKLOS PETRASSY, FERENC SZEBANYI, ISTVAN NOLL, JANOS NEMETH, JOZSEF BOHNERT
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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