Assembled diamond bits

The utility model relates to an assembly-type diamond drill which is composed of a drilling shank, a spring, a pin sliding track, a pin, a drilling core and a drum-type cutting head. The utility model is characterized in that the front part of the drilling shank is in a hollow tube shape, and the sp...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LINPENG BAI
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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