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:
Nov. 11, 2014
Filed:
Nov. 08, 2011
Akihito Kanamori, Yokohama, JP;
Isamu Takeda, Yokohama, JP;
Takaaki Akamatsu, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention is directed to suppressing cracks in the surface layer of the rotating member including fluororesin. According to the present invention, there is provided a heating apparatus comprising: a rotating member which has a surface layer comprising fluororesin, flexibility, and is open at both ends thereof; a heating member for heating the rotating member; a holding member for the rotating member, which is disposed inside the rotating member and has a sliding surface against an inner peripheral surface of the rotating member; and a pressurizing member for forming a nip portion together with the rotating member, the heating apparatus heating a recording material while conveying the recording material by nipping at the nip portion and rotating the rotating member and the pressurizing member, wherein a lubricant comprising a straight-chain and a side-chain type perfluoropolyethers is interposed between the rotating member and the sliding surface of the holding member.