ROCK BOLT AND METHOD FOR DRILLING AND REINFORCING MATERIAL

A self-drilling rock bolt (1) is provided for drilling a drill hole (2) in a material to be drilled (3) and reinforcing the material surrounding the drill hole using a percussive or rotative rock drill. The rock bolt comprises an end anchor element comprising an anchor shell provided with anchor mea...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ESKO, Mauri, MÄNTTÄRI, Maunu
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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