Shield canopy for a shield-type support

A shield canopy for a shield-type support for underground mining having a canopy plate and a supporting structure being welded on below the canopy plate and having a plurality of longitudinal spars which extend from a rear canopy region up to a front canopy region. At least two of the longitudinal s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DEHMEL DENNIS, HAHN DETLEF, HENGSTLER STEFAN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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