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AssigneeCanon Kabushiki Kaisha
InventorsHitoshi Kanda, Atsuko Kobayashi
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A continuous mixing device for mixing continuously powder, comprising a casing having a mixing chamber inside of the device, a rotary shaft included within said casing, a rotatable stirring blade axially supported with said rotary shaft, and a fixed blade fixed inside of said casing, wherein said stirring blades and fixed blades are provided in plural numbers. A process for producing a toner composition of developing electrostatic latent images, comprising introducing colored particles having at least a binder resin and a colorant, and a powdery additive into a continuous mixing device, said continuous mixing device comprising a casing having a mixing chamber inside of the device, a rotary shaft included within said casing, a rotatably stirring blade axially supported with said rotary shaft, and a fixed blade fixed inside of said casing, wherein said stirring blades and fixed blades are provided in plural numbers; and mixing the colored particles and the powdery additive to obtain a toner composition.
A continuous mixing device for mixing continuously powder, comprising a casing having a mixing chamber inside of the device, a rotary shaft included within said casing, a plurality of rotatable stirring blades axially supported by said rotary shaft, and a plurality of fixed blades fixed inside of said casing, wherein each of said stirring blades comprises a circular rotary plate and plural blades fixed on said rotary plate, each of said fixed blades comprises a fixed plate having an annular structure and plural blades fixed on said plate and said stirring blades and said fixed blades are provided alternately and a plurality of communicating stirring zones are formed in the mixing chamber, so that the powder introduced into said mixing chamber moves in a zigzag direction.
Dependencies are inferred from the claim text.