Xerox Corporation

April M Mattox

John S Chambers

Steven J Grammatica

Mark S Thomas

Alan B Mistrater

Rachael A Forgit

John K Williams

Richard C Petralia

Timothy J Leenhouts

Edward C Williams

Roger T Janezic

Peter J Valianatos

John T Dilko

Leslie B Cummins

Jin Wu

John F Yanus

Mark C Petropoulos

Brian P Gilmartin

Aaron Michael Stuckey

Richard J Manzolati

Martha J Stegbauer

Various embodiments provide materials and methods for bias charging members including an outer surface coating overlaying an outer base layer, wherein the outer surface coating can include conductive fillers combined with one or more polymers to provide desirable surface, electrical, and/or mechanical properties.

Surface coatings for the bias charging roller

A process for dip coating drums comprising providing a drum having an outer surface to be coated, an upper end and a lower end, providing at least one coating vessel having a bottom, an open top and a cylindrically shaped vertical interior wall having a diameter greater than the diameter of the drum, flowing liquid coating material from the bottom of the vessel to the top of the vessel, immersing the drum in the flowing liquid coating material while maintaining the axis of the drum in a vertical orientation, maintaining the outer surface of the drum in a concentric relationship with the vertical interior wall of the cylindrical coating vessel while the drum is immersed in the coating material, the outer surface of the drum being radially spaced from the vertical interior wall of the cylindrical coating vessel, maintaining laminar flow motion of the coating material as it passes between the outer surface of the drum and the vertical interior wall of the vessel, maintaining the radial spacing between the outer surface of the drum and the inner surface of the vessel between about 2 millimeters and about 9 millimeters, and withdrawing the drum from the coating vessel.

Immersion coating process

Apparatus for dip coating comprising a drum having an outer surface to be coated, an upper end and a lower end, at least one coating vessel having a bottom, an open top and a cylindrically shaped vertical interior wall having a diameter greater than the diameter of the drum, an inlet at the bottom of the vessel, the inlet adapted to feed flowing coating fluid into the vessel, a mandrel adapted to maintain the outer surface of the drum in a concentric relationship with the vertical interior wall of the cylindrical coating vessel while the drum is immersed in the flowing coating material, the outer surface of the drum being radially spaced from the vertical interior wall of the cylindrical coating vessel, and at least one flow regulating member adapted to maintain laminar flow motion of the coating material as the fluid passes between the outer surface of the drum and the vertical inner wall of the vessel.

Immersion coating apparatus

There is disclosed a photoreceptor material reclaim method comprising: (a) centrifuging a first photoreceptor coating solution comprised of a liquid, a photoreceptor material, and impurities, resulting in a residue composition comprised of a lower density material including a portion of the photoreceptor material and a higher density material including a portion of the impurities and a supernatant composition; (b) drying the residue composition to remove a portion of the liquid in the residue composition; (c) grinding the dried residue composition; (d) separating the lower density material from the higher density material of the dried, ground residue composition; (e) forming a second photoreceptor coating solution comprised of the lower density material obtained by (d); and (f) depositing the second photoreceptor coating solution comprised of the lower density material on a substrate.

Photoreceptor material reclaim method

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Webster, NY, United States of America

April M Mattox