Classifying apparatus, classifying method, toner and method for producing the toner
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United States of America Patent
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Dec 8, 2015
Grant Date -
Mar 1, 2012
app pub date -
Aug 15, 2011
filing date -
Aug 26, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A classifying apparatus including a cylindrical casing, a powder material feeding port, a louver ring disposed in the casing to be in communication with the powder material feeding port in a horizontal direction, a center core, a separator core, a dispersion chamber defined by the center core and an inner wall of the casing at the powder material-fed side, a classification chamber defined by the center core, the separator core and a side inner wall of the casing, and a flow path encircling the louver ring, wherein in a horizontal cross section of part of the classifying apparatus where the part contains the powder material feeding port and the louver ring, the louver ring is located at a position where the louver ring does not intersect with an extended line of a wall surface of the powder material feeding port at the side of the louver ring.
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