Title:
トナーの製造方法
Document Type and Number:
Japanese Patent JP4612783
Kind Code:
B2
Abstract:
Coarsely crushed toner particles comprising at least a binder resin and a colorant are effectively pulverized by a mechanical pulverizer including a generally cylindrical rotor rotating about an axis and a stator surrounding the rotor with a minute gap from the rotor. Each of the outer wall of the rotor and the inner wall of the stator is provided with a plurality of grooves which extend generally in parallel with the rotation axis of the rotor and are formed of a wave-shaped plurality of projections and intervening recesses. Each recess on at least one of the rotor and the stator is provided with a flatshaped bottom between a forward corner and a rear corner adjacent a forward slope and a rear slope respectively, with respect to the rotation direction. One corner (rear corner on the rotor or forward corner on the stator) of the two corners receiving an intense flow of the pulverized feed together with conveying air is provided with a dull angle between the adjacent slope and the flat-bottomed surface for effective pulverization.
Inventors:
Takeshi Naka
Takaichi Momose
Kiyoshi Kanai
Nakanishi Tsuneo
Takaichi Momose
Kiyoshi Kanai
Nakanishi Tsuneo
Application Number:
JP2001298917A
Publication Date:
January 12, 2011
Filing Date:
September 28, 2001
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G9/087; B02C2/10; B02C13/10; B02C13/12; B02C13/18; B02C13/26; B02C13/28; B02C13/282; B02C13/286; B02C13/30; B02C17/16; B02C17/18; G03G9/08; G03G9/083
Domestic Patent References:
| JP9201543A | ||||
| JP7155628A | ||||
| JP8071439A | ||||
| JP10211438A | ||||
| JP7301950A |
Attorney, Agent or Firm:
Keisuke Watanabe
Yoshihiro Yamaguchi
Yoshihiro Yamaguchi