Apparatus for the milling cutting of rock, minerals or other materials
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United States of America Patent
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Dec 8, 2015
Grant Date -
Aug 21, 2014
app pub date -
Apr 24, 2012
filing date -
May 16, 2011
priority date (Note) -
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Abstract
A mining apparatus includes two tool drums, which are arranged rotatably side by side in twin arrangement on a drum carrier and which are respectively provided with a plurality of tool carriers which support cutting tools arranged over the periphery of the tool drums and which can be rotatingly driven and the shaft axes of which run substantially transversely to the drum axle. The shaft axes of the tool carriers of the first tool drum span a first conical surface about the drum axis and the shaft axes of the tool carriers of the second tool drum span a second conical surface about the drum axis, where the conical surfaces are open to opposite sides and are preferably oriented such that they are mutually inclined in an O-arrangement.
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