Electrophotography – Image formation – Development
Reexamination Certificate
2005-12-06
2005-12-06
Chen, S (Department: 2852)
Electrophotography
Image formation
Development
C399S265000, C399S273000, C399S279000, C492S030000
Reexamination Certificate
active
06973282
ABSTRACT:
In a device for transporting toner in an electrophotographic printing or copying device, a rotatable cylinder has a cylinder sheath. The cylinder such includes a metallic layer having a surface with a roughness search that at least one of peaks and columns are provided along with recesses. The recesses of the surface are filled with plastic. Also, the cylinder sheath may include a layer of a porous ceramic material having a roughness.
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Höllig Uwe
Schulmeister Peter
Chen S
Oce Printing Systems GmbH
Schiff & Hardin LLP
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