Roll or roller – Single annular member – per se – Specific nonmetallic composition
Reexamination Certificate
2007-03-27
2011-10-18
Omgba, Essama (Department: 3726)
Roll or roller
Single annular member, per se
Specific nonmetallic composition
C492S030000, C492S028000, C492S048000, C399S333000
Reexamination Certificate
active
08038591
ABSTRACT:
The present disclosure relates to an image forming device component that includes an elastomeric material having a surface and a triboelectric charging material that may be exposed on the elastomeric material surface. The triboelectric material may be exposed by a finishing process that results in removal of a portion of the material leaving voids in the surface. The surface may have a surface roughness in the range of about 0.1 to 5.0 Ra. The component may include a developer roller in an electrophotograhic printer and may provide contact electrification to a given toner during a printing operation.
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Barnes Jonathan Lee
Berens Jenny Marie
Gopalanarayanan Bhaskar
Gordon Jason Edward
MacMillan David Starling
Lexmark International Inc.
Omgba Essama
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