Method and system of producing toner

Details Method and system of producing toner Method and system of producing toner

1997-01-31

1998-09-01

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

By utilizing kinetic energy of projected or suspended material

241 40, 241 78, 241 80, B02C 1906

Patent

active

057998817

ABSTRACT:
A toner producing system which can efficiently produce toner having a sharp particle size distribution by suppressing the occurrence of microscopic powders and improve energy efficiency in pulverization. The system is furnished with a second pulverizing apparatus having a second colliding plate inclined at an angle in a range between 45.degree. and 90.degree. inclusive with respect to a direction in which a raw material subject to pulverization is introduced into a second pulverizing chamber through a second nozzle, and a third pulverizing apparatus having a third colliding plate with a conical member being placed thereon, so that the raw material introduced into a third pulverizing chamber through a third nozzle collides with an inner surface thereof following the collision with the third colliding plate.

REFERENCES:
patent: 4784333 (1988-11-01), Hikake et al.
patent: 5358183 (1994-10-01), Kanda et al.
patent: 5435496 (1995-07-01), Kanda et al.

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