Electrographic magnetic developing method

Details Electrographic magnetic developing method Electrographic magnetic developing method

1979-11-26

1981-09-08

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430107, 430110, G03G 1309

Patent

active

042885183

ABSTRACT:
A method of developing latent electrostatic images comprising the steps of stirring a developer containing toner particles and carrier granules to triboelectrically charge the toner particles to a polarity suitable for developing a latent electrostatic image on an image bearing surface, causing the latent electrostatic image on the surface to electrostatically attract toner particles in the stirred developer to convert the latent image to a visible image and replenishing the developer used for the development and containing a reduced quantity of toner particles with toner particles different in triboelectric chargeability (capability of being triboelectrically charged by frictional contact with carrier granules) from the toner particles initially contained in the developer before the development.

REFERENCES:
patent: 3376853 (1968-04-01), Weiler et al.
patent: 3453045 (1969-07-01), Fantuzzo
patent: 3863602 (1975-02-01), Mueller et al.
patent: 3910459 (1975-10-01), Bock et al.
patent: 3961951 (1976-06-01), Mayer et al.
patent: 4070186 (1978-01-01), Gibson et al.

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