Longwall mining with blasting
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United States of America Patent
Stats
-
Jan 6, 2004
Grant Date -
Aug 7, 2003
app pub date -
Mar 4, 2003
filing date -
Sep 20, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The extraction machine for underground ore extraction operations, with extraction of the extraction product by blasting has an advancing support equipment (11) and a face conveyor (18) coupled to it as well as at least one boring device (26) for the production of shot holes (23) and a loading device (27) to supply the face conveyor (18) with the blast rock loosened by blasting, whereby the boring device (26) and the loading device (27) are assigned to a common boring and loading machine (24), which can be driven along the face conveyor (18) at right angles to the direction of mining in the direction towards the rock face (20) running parallel to the direction of mining, or away from this.
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