Novel high-power electric hot-melt drill bit for polar region ice and snow drilling

The invention discloses a novel high-power electric hot-melt drill bit for polar ice and snow drilling. The bit comprises a sling, a heating rod and a bit body, wherein the sling is fixedly connectedto the top surface of the bit body, and the heating rod is inserted in the bit body. The hanger is of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN BAOYI, LIU BOWEN, FAN DAYOU, LIU GANG, LIU AN, SUN YOUHONG, WANG RUSHENG, CHEN YANJI, LI YAZHOU, PAVEL TALALAY
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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