Method and device for screening out particles
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United States of America Patent
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Jun 14, 2011
Grant Date -
May 28, 2009
app pub date -
Oct 31, 2008
filing date -
Nov 2, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
>3:1, and the dimensions of the second particles allow them to fall through the mesh of the first screen surface. To screen a certain material fraction which differs geometrically from the remainder of the material in terms of at least one dimension out of the granulate, it is proposed that the granulate be conveyed along the screen surface between said surface and a cover which extends along the screen surface, and that the cover should cause the first particles to be aligned with their longitudinal axes extending along the screen surface, wherein the longitudinal extension of each first particle is greater than the mesh width of the screen which forms the first screen surface, and the longitudinal extension of the second particles is equal to or less than the mesh width.
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