FLUSHING ASSEMBLY OF DRILLING BIT

FIELD: mining.SUBSTANCE: flushing assembly of a drilling bit includes a head piece located in a flushing pass seat of the bit housing and fixed by means of a threaded bushing, between the upper end face of which and the seat bottom an additional bushing with radial holes and a sealing element are in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PANIN NIKOLAJ MITROFANOVICH, SOROKIN VLADIMIR FEDOROVICH, MITJUSHIN VLADIMIR NIKOLAEVICH, KONONOV ALEKSANDR VIKTOROVICH, KONONOV ALEKSEJ VIKTOROVICH
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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