Method and apparatus for separating components having different viscosities and/or sizes from a composition
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United States of America Patent
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Feb 23, 1999
Grant Date -
N/A
app pub date -
Nov 7, 1997
filing date -
Nov 8, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and an apparatus for separating components having different viscosities and/or sizes from a composition are disclosed The apparatus comprises a rotatable hollow drum having an outer surface which is perforated, and an endless belt in engagement with a portion of the outer surface of said drum. The belt and said outer surface define an input zone where the belt and the outer surface engage. The input zone has the form of a wedge, and in use, the belt rotates synchronously with the outer surface. The apparatus further comprises an adjustable compression roller positioned to press the belt against said portion of the outer surface of the hollow drum, and a device positioned within the input zone. The device tends to urge the compression belt away from the outer surface. The apparatus has an improved input capability, particularly for bulky material.
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