Rockbolt and installer wand

A rockbolt for installation in a bore in the roof of an underground excavation to support the roof and an installer wand for temporary insertion into the rockbolt to provider hardenable material to the rockbolt. The rockbolt comprises a sleeve, ports in the sleeve near the upper end, and means insid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LANE, WILLIAM L, LEWIS, DONALD L
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS THERMAL INSULATION IN GENERAL TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	A rockbolt for installation in a bore in the roof of an underground excavation to support the roof and an installer wand for temporary insertion into the rockbolt to provider hardenable material to the rockbolt. The rockbolt comprises a sleeve, ports in the sleeve near the upper end, and means inside the sleeve for engaging the installer wand inserted into the sleeve. The installer wand comprises an elongated member for conducting hardenable binder, means for connecting the lower end of the elongated member to a source of hardenable binder material, and a head at the upper end of the elongated member to engage the engaging means in the rockbolt and conduct binder from the wand to the rockbolt.