Improvements to RC hammer bit lubrication

This invention relates to a lubrication means for a pair of splines, each spline having a pair of side faces, at least one of which will serve as a working face, where at least portions of the working faces for the pair of splines are abutting, and wherein said means comprises a conduit for providin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BEIERER, PHILIPP, HILL, RAYMOND
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING LUBRICATING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	This invention relates to a lubrication means for a pair of splines, each spline having a pair of side faces, at least one of which will serve as a working face, where at least portions of the working faces for the pair of splines are abutting, and wherein said means comprises a conduit for providing 5 lubricating fluid supplied at or near a non-working face and/or a non-abutting portion of the working face of at least one of the pair of splines, to the abutting working face portions. An associated percussive down hole hammer is also disclosed, along with a drive sub and drill bit therefor, as well as a method for lubricating these. C~-o LOj