Rock core drill bit structure

The utility model provides a rock core drill bit structure which comprises a main drill rod, a rock core pipe connector, a rock core drill pipe and drill teeth. The rock core pipe connector is connected with the main drill rod through a tapered screw thread, the rock core drill pipe is connected wit...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TIAN YANLIANG, WANG JINZHE, LIU XUEQUAN, MENG LINGQUN, WANG ZHE, ZUO XUEFENG
Format:	Patent
Sprache:	chi ; 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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