Coating apparatus – With means to apply electrical and/or radiant energy to work... – With electromagnetic and/or electrostatic removal of...
Patent
1982-09-29
1984-04-17
Pianalto, Bernard D.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
With electromagnetic and/or electrostatic removal of...
118658, G03G 1509
Patent
active
044427905
ABSTRACT:
An electrographic development station is disclosed which includes three magnetic brushes which sequentially apply toner to an electrostatic image on a moving photoconductor. The two upstream brushes rotate counter-current with respect to the movement of the photoconductor and have magnetic fields which overlap so that developer is carried from one brush to the other. The third magnetic brush rotates co-current with regard to such photoconductor movement. The two counter-current brushes apply a large quantity of toner to an electrostatic image on the photoconductor and the co-current brush applies a sufficient amount of toner to develop any incompletely developed portions of an electrostatic image.
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Research Disclosure Bulletin, No. 16126, Sep. 1977, McGlen et al., A Toning Station Using Counter Rotating Magnetic Rollers.
Hilbert Thomas K.
McKeown Donald G.
Probst Stewart D.
Rose Leon A.
Swapceinski John P.
Childress G. Herman
Eastman Kodak Company
Pianalto Bernard D.
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