TUNGSTEN CARBIDE BIT WITH HARDFACED NOSE AREA

An earth-boring bit has rotatable cones with rows of carbide elements installed thereon. A nose is symmetrically arranged on a cone axis of one of the cones. The nose has a central core that protrudes outward. A base joins supporting metal of the cone. A free end is opposite the base. Teeth are form...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PHARIS, ROBERT J, TURNER, CLARK R, GILMORE, KENNETH E, FELDERHOFF, FLOYD C, RICKABAUGH, CALEB A, OVERSTREET, JAMES L
Format:	Patent
Sprache:	eng ; fre
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!