RAISE BORING TOOL WITH IMPROVED CUTTINGS EVACUATION

A reamer head 10 for raise boring operations comprising: a reamer body 16, a plurality of roller cutters 21 connected to the body 16, each connected to the body 16 using a mounting plate 22, and an upper drill string connection 12 connected to the body 16, wherein the mounting plate 22 comprises a c...

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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 MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A reamer head 10 for raise boring operations comprising: a reamer body 16, a plurality of roller cutters 21 connected to the body 16, each connected to the body 16 using a mounting plate 22, and an upper drill string connection 12 connected to the body 16, wherein the mounting plate 22 comprises a cutout 26 in the form of a through hole for removal of cuttings from the reamer head 10.