Tool for Removing Drill Cores from Hammer Drill Bits

An attachment for removing a drill core from a hollow volume of a hollow drill bit, comprising an attachment sheath embodied to be arranged at an accepting shaft comprising at least one ejection element, which is embodied in the hollow volume of the hollow drill bit and designed for transferring a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HOFBRUCKER THOMAS, MEIDLEIN JOCHEN
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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Beschreibung
Zusammenfassung:	An attachment for removing a drill core from a hollow volume of a hollow drill bit, comprising an attachment sheath embodied to be arranged at an accepting shaft comprising at least one ejection element, which is embodied in the hollow volume of the hollow drill bit and designed for transferring a force upon the drill core.