DRILLING TOOL AND METHOD FOR DRILLING IN SOIL

FIELD: mining.SUBSTANCE: invention relates to drilling in soil. Drill tool comprises drill rod element (14), that is connected to rotary drive, and driven in rotating manner about drilling axis, frame-like housing and at least one removal tooth, which is mounted the housing radially movable between...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MAJOR Zandor, SHTIMPFLE-TSIGLER Andreas, SHVAJGER Manfred
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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