IT1146327B - Turbine driven rock drill
- Google Patents
Turbine driven rock drill
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Publication number
IT1146327B
IT1146327BIT41652/81AIT4165281AIT1146327BIT 1146327 BIT1146327 BIT 1146327BIT 41652/81 AIT41652/81 AIT 41652/81AIT 4165281 AIT4165281 AIT 4165281AIT 1146327 BIT1146327 BIT 1146327B
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Application filed by Inst Burovoi TekhnikfiledCriticalInst Burovoi Tekhnik
Priority to IT41652/81ApriorityCriticalpatent/IT1146327B/en
Publication of IT8141652A0publicationCriticalpatent/IT8141652A0/en
Application grantedgrantedCritical
Publication of IT1146327BpublicationCriticalpatent/IT1146327B/en
The turbodrill has two turbine sections, each formed by a body and hollow shaft. A cartridge is mounted in the body and carries a rock boring tool. It also has a non magnetic tube, inside which is placed equipment to measure the position of the bore hole. There are two coaxial tubes (13,14) between the cartridge (2) and the outer tube (13) is fixed to the body (10) of the cannister. The ends (17,18) of the other tube (14) are fixed to the cannister and the hollow shaft (5).
IT41652/81A1981-09-291981-09-29Turbine driven rock drill
IT1146327B
(en)