Attrition mill
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United States of America Patent
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Jun 13, 2017
Grant Date -
Dec 22, 2011
app pub date -
Dec 17, 2009
filing date -
Dec 19, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An attrition mill that includes a grinding chamber having a plurality of grinding elements and an internal classification and separation stage. The mill also includes at least one grinding element providing a larger flow path therethrough, when compared to other of the grinding elements. In other embodiments, mill includes at least one grinding element having an open area in the grinding element created to allow a larger flow path as a proportion of the grinding element surface area without such allowance and in the range of from 15% to equal to or less than 100%.
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