Rotary cutter for gouging out ore from mine faces
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United States of America Patent
Stats
-
Mar 3, 1987
Grant Date -
N/A
app pub date -
Apr 12, 1984
filing date -
Apr 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The rotor of a cutter for removal of material from a mine face has a large number of externally mounted bits each of which is adjacent to a discrete spray nozzle serving to discharge one or more streams of water at a pressure in the range of several thousand bars. The nozzles receive water from conduits which are installed in an annular chamber between the skirt of the substantially cup-shaped rotor and the adjacent end portion of the drive shaft for the rotor. Groups of conduits receive pressurized water from manifolds which are installed in the chamber and each such manifold receives pressurized water from a discrete conduit which, in turn, receives pressurized water from a distributor rotating at the discharge end of a stationary pipe in an axial bore of the shaft.
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