The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2009
Filed:
Jul. 12, 2007
Akiko Ito, Tokyo, JP;
Akiko Ito, Tokyo, JP;
Ricoh Company Ltd., Tokyo, JP;
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 5.0×10Ωm. Convexities and concavities are alternately formed on an outer surface of the elastic insulating layer along a circumferential direction thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile