Method and apparatus for electrophotographic, image development

Details Method and apparatus for electrophotographic, image development Method and apparatus for electrophotographic, image development

1980-04-21

1982-10-26

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

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

4301066, G03G 1309

Patent

active

043562450

ABSTRACT:
A method and apparatus for developing an electrostatic image on an electrostatic image holding member by feeding toner particles thereto, in which a layer of the toner particles is formed on a toner carrying member, and the toner carrying member and the electrostatic image holding member are brought to a mutually closer position and maintained in such a range that the surface of a non-image section of the electrostatic image holding member and the surface of the toner particle layer on the toner carrying member may not be contacted with each other, but the surface of the toner particle layer is in contact with the surface of the image region of the electrostatic image holding member, whereby uniform development of the electrostatic image on the image holding member can be effected.

REFERENCES:
patent: 3232190 (1966-02-01), Willmott
patent: 3754963 (1973-08-01), Chang
patent: 3890929 (1975-06-01), Walkup
patent: 3914460 (1975-10-01), Maksymiak
patent: 3997688 (1976-12-01), Gundlach et al.
patent: 4011834 (1977-03-01), Stephan
patent: 4014291 (1977-03-01), Davis
patent: 4036175 (1977-07-01), Phillips et al.
patent: 4067295 (1978-01-01), Parker et al.
patent: 4100884 (1978-07-01), Mochizuki et al.

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