Patent · US Expired

Production apparatus of toner for developing electrostatic images, production method thereof, and toner for developing electrostatic images

US7258960B2 · kind B2 · utility

1Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 2003
Grant dateAug 21, 2007
Priority date
Expiry dateSep 10, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0815
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus for producing toner for developing an electrostatic latent image, is provided with an inlet section to receive a slurry containing toner particles, impure fine particles having a specific gravity smaller than that of the toner particles and aqueous medium; a centrifugal concentrating device for applying centrifugal force to the slurry and having a precipitating plate with which the toner particles are precipitated from the slurry and an accommodating section to accommodate a concentrated slurry containing the precipitated toner particles, and

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.