Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner
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.
Ricoh Company, Ltd.
B B B G
B02C B07B B02C G03G
inventional inventional inventional inventional
Tomoyuki Yoshiyuki Tohru Shoji Fumio Kohji Hirofumi Masayuki Kohta Hideyuki Hiroaki Yuuichi Mamoru Masato Ikuo Masahiro Kenkoh
Yamada Okegawa Suganuma Watanabe Nishide Kubota Yamanaka Kakimoto Wakimoto Ueda Sugiyama Kohyama Kawaguchi Kobayashi Tasaki Kawamoto Degura