TUNGSTEN CARBIDE INSERT

FIELD: mining.SUBSTANCE: tungsten carbide insert comprises a cylindrical liner, working head connected to each other by a conical section, and the unit fixing the insert to the body of the drilling bit. The side surface of the liner is designed, at least, with two circular grooves with triangular se...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LEL'EVR ANATOLIJ VLADIMIROVICH, SOROKIN VLADIMIR FEDOROVICH, PANIN NIKOLAJ MITROFANOVICH, TITOV VITALIJ IVANOVICH, TATARCHUK JURIJ SERAFIMOVICH, EGOROV NIKOLAJ GAVRILOVICH
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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