WEAR PADS FOR RAISE BORING TOOLS

A wear support assembly comprising a wear pad arranged on top of a support plate wherein the support plate has a lower surface for connecting to a raise boring tool and both the wear pad and the support plate have at least one hole for receiving a bolt to connect the wear pad to the support plate. A...

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Bibliographische Detailangaben
Hauptverfasser:	Lindblom, Anders, Loikkanen, Joona
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	A wear support assembly comprising a wear pad arranged on top of a support plate wherein the support plate has a lower surface for connecting to a raise boring tool and both the wear pad and the support plate have at least one hole for receiving a bolt to connect the wear pad to the support plate. Also a raise boring tool for raise boring operations comprising; a reamer head having a body; a plurality of roller cutters connected to the body using a holder; a nose or drive stem connected the body; and at least one wear support assembly wherein each support plate is connected directly to raise boring too and each wear pad is radially or perpendicularly bolted to each support plate.