DRILL CROWN

A drill crown comprises a body and a diamond-bearing matrix fixed on it. The matrix is separated by washing slots to sectors reinforced with wear-proof cylindrical inserts made of synthetic diamonds with different diameters. The inserts are placed in the central part of each sector at circles of one...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZAKORA ANATOLII PETROVYCH, SHULZHENKO OLEKSANDR OLEKSANDROVYCH, BOHDANOV ROBERT KOSTIANTYNOVYCH, ISONKIN OLEKSANDR MYKHAILOVYCH
Format:	Patent
Sprache:	eng
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 drill crown comprises a body and a diamond-bearing matrix fixed on it. The matrix is separated by washing slots to sectors reinforced with wear-proof cylindrical inserts made of synthetic diamonds with different diameters. The inserts are placed in the central part of each sector at circles of one diameter, and the diameters of the inserts decrease in circular direction.