Apparatus for longitudinally driving an elongate body

Apparatus for longitudinally driving an elongate body (1) such as a rod or tube, comprises two opposed wheels (2) adapted to clamp the body (1) between them. The wheels (2) have an axis of rotation (3) lying substantially in a transverse plane of the elongate body (1). A drive (1) drives at least on...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZUIDBERG, HERMAN M
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS THERMAL INSULATION IN GENERAL WEAPONS
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