Portable seismic shothole drilling system

A portable apparatus for creating holes in rock. A rock drill connected to a compressed air supply is engaged with a connector attached between the rock drill and a rock bit. The connector has a substantially tubular shaft for transporting compressed air from the air supply to the rock bit. The tubu...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PITTARD, GERARD THOMAS, BROWNE, NOEL EVAN
Format:	Patent
Sprache:	eng ; fre ; ger
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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