Bohrmaschine mit einem ueber ein verlaengertes Bohrgestaenge antreibbaren Bohrkopf

Bohrmaschine mit einem ueber ein verlaengertes Bohrgestaenge antreibbaren Bohrkopf

A drilling machine for drilling descending large boreholes in earth or rock structures, comprises an elongated drill pipe driven by a drive machine positioned outside a borehole being drilled, a drill head connected to said pipe and a support device for a drill head. A fluid-supplying device having...

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Hauptverfasser: KOLDITZ, HELMUT., 3340 WOLFENBUETTEL, DE, EBELING, WOLFGANG., 3000 HANNOVER, DE
Format: Patent
Sprache:ger
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
SHAFTS
TUNNELS
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creator KOLDITZ, HELMUT., 3340 WOLFENBUETTEL, DE
EBELING, WOLFGANG., 3000 HANNOVER, DE
description A drilling machine for drilling descending large boreholes in earth or rock structures, comprises an elongated drill pipe driven by a drive machine positioned outside a borehole being drilled, a drill head connected to said pipe and a support device for a drill head. A fluid-supplying device having a descending conduit, supplying fluid from the fluid supplying device to the drill head, is further provided in the drilling machine. A sluice charged with the mixture of the material drilled and the fluid is arranged in the drill head and driven by the drillpipe. The support device is secured in the machine against rotation.
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
SHAFTS
TUNNELS
title Bohrmaschine mit einem ueber ein verlaengertes Bohrgestaenge antreibbaren Bohrkopf
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