Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner
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United States of America Patent
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Oct 21, 2008
Grant Date -
Feb 16, 2006
app pub date -
Jul 12, 2005
filing date -
Jul 13, 2004
priority date (Note) -
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Abstract
Disclosed is a milling and classifying apparatus, adapted to produce toner fine particles, comprising a collision mill, and an air classifier, wherein the collision mill comprises a jet nozzle room, a path, a collision plate, and a collision member mounted to a support of the collision plate at downstream of the collision plate, the air classifier comprises a dispersion room and a classification room, the classification room is disposed below the dispersion room, and a flow stabilizer is arranged at a central suction of the separator core to control swirl stream generated within the classification room so as to centrifuge the powder into coarse particles and fine particles by action of the swirl stream.
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