Coating apparatus – With means to apply electrical and/or radiant energy to work... – With means to orient coating particles
Patent
1983-08-17
1985-10-08
Pianalto, Bernard D.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
With means to orient coating particles
118652, 118658, G03G 1501
Patent
active
045453250
ABSTRACT:
Disclosed is a second toner developing apparatus for use in a two color electro-photographic recording apparatus in which a photosensitive drum is uniformly charged, subject to a first exposure, developed with a first toner, subject to a second exposure, and then developed with a second toner. The second developing apparatus is provided with a rotary sleeve for performing magnetic brush development and a fixed magnet disposed within the rotary sleeve. The fixed magnet includes a plurality of magnetic poles of the same polarity provided close to each other, so as to temporarily separate the second developer from the surface of the rotary sleeve at the position of these same polarity magnetic poles. An electrostatic attraction electrode attracts the first toner mixed in the thus separated second developer to thereby remove the first toner from the second developer.
Akimaru Susumu
Anzai Masayasu
Hoshi Nobuyoshi
Komatsu Isamu
Hitachi , Ltd.
Hitachi Koki Co,. Ltd.
Pianalto Bernard D.
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