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:
Jan. 27, 2026
Filed:
Jun. 20, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A fixing apparatus comprising: a fixing film having an endless shape, a pressurizing member disposed to face the fixing film and configured to form a nip with the fixing film, and a heating member disposed inside of the fixing film, having a facing surface facing an inner circumferential surface of the fixing film, and configured to bias the fixing film against the pressurizing member, and a fluorine grease interposed between the inner circumferential surface and the facing surface, wherein the fixing film has at least a base layer, an elastic layer, and a surface layer in this order, the surface layer comprises a PFA, the surface layer comprises a plurality of spherulites of the PFA, and in an endothermic curve measured with a specific condition by a DSC, using a sample sampled from the surface layer, an endothermic quantity in a temperature rising process is 21 J/g or more.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile