Device for continuously mixing powder and process for producing

Details Device for continuously mixing powder and process for producing Device for continuously mixing powder and process for producing

1991-10-30

1993-01-12

Jenkins, Robert W.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366317, B01F 710

Patent

active

051784602

ABSTRACT:
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.

REFERENCES:
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patent: 2944877 (1960-07-01), Marco
patent: 3047368 (1962-07-01), Marco
patent: 3488009 (1970-01-01), Schold
patent: 3807703 (1974-04-01), Usm
patent: 3940115 (1976-02-01), Zipperer
patent: 4187030 (1980-02-01), Godley
patent: 4792238 (1988-12-01), Yoneyama et al.
patent: 4859560 (1989-08-01), Nakamura et al.
Patent Abstracts of Japan, vol. 8, No. 279 (C-257)[1716], Dec. 20, 1984.

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