CONE BIT BEARING STRUCTURE

FIELD: rock-cutting tools, particularly cone bit bearing structure. ^ SUBSTANCE: cone bit comprises leg axle and cutter secured to leg axle by means of retaining bearing. The retaining bearing is made as two collars touching each other along spherical surface. Inner collar is connected to leg axle....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PANIN NIKOLAJ MITROFANOVICH, JASASHIN VITALIJ ANATOL'EVICH, SERIKOV DMITRIJ JUR'EVICH
Format:	Patent
Sprache:	eng ; rus
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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