DRILLING CHIP AND EXCAVATION TOOL

To suppress decrease in drilling efficiency and to reduce cost of re-polishing by suppressing the development of the wear width of the tip of the tip body of a drilling chip.SOLUTION: A drilling chip mounted on the tip surface of a tool body of an excavation tool that is rotated around an axis and t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAKATSUKI YUKI, NAKAMURA KAZUYOSHI
Format:	Patent
Sprache:	eng ; jpn
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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