Electrophotography – Image formation – Fixing
Reexamination Certificate
2007-07-12
2009-02-03
Gray, David M (Department: 2852)
Electrophotography
Image formation
Fixing
C399S330000
Reexamination Certificate
active
07486924
ABSTRACT:
A fixing roller and method of manufacturing the same. The fixing roller includes a fixing sleeve configured to fuse and fix a toner image on a recording medium and a fixing assist roller configured to be inserted into the fixing sleeve. The fixing sleeve includes a first heating layer having a Curie point. The first heating layer is configured to be heated with a magnetic flux. The fixing assist roller includes an elastic insulating layer and a first low-resistivity layer. The elastic insulating layer is formed on an outer circumference of the fixing assist roller. The first low-resistivity layer is formed under the elastic insulating layer and has a volume resistivity not greater than 5.0×10−8Ωm. Convexities and concavities are alternately formed on an outer surface of the elastic insulating layer along a circumferential direction thereof.
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Office Action dated Nov. 9, 2007 for corresponding European Application No. 07252607.2.
Gray David M
Harness & Dickey & Pierce P.L.C.
Ricoh & Company, Ltd.
Service Kristofferson
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