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

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Bibliographische Detailangaben
Hauptverfasser: PITTARD, GERARD THOMAS, BROWNE, NOEL EVAN
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung: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 tubular shaft uniquely maximizes the air available for removing rock cuttings and minimizes the possibility of rock bit sticking in the rock hole. The invention is particularly suited to seismic shothole drilling requiring portable equipment operable by a single person.