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:
Aug. 19, 2014
Filed:
Mar. 01, 2012
Ken Nakagawa, Yokohama, JP;
Michio Uchida, Mishima, JP;
Tomoo Akizuki, Yokohama, JP;
Kazuhiro Doda, Yokohama, JP;
Kensuke Umeda, Yokohama, JP;
Ken Nakagawa, Yokohama, JP;
Michio Uchida, Mishima, JP;
Tomoo Akizuki, Yokohama, JP;
Kazuhiro Doda, Yokohama, JP;
Kensuke Umeda, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating apparatus, for heating, in a nip, a recording material for carrying a toner image while conveying the recording material, includes a flexible cylindrical film; a nip-forming member contacting an inner surface of the film; and a pressing member for forming the nip between itself and the film. The inner surface of the film is provided with a roughened surface portion in a region in which the nip-forming member slides on the inner surface of the film. The roughened surface portion has a skewness Rsk satisfying: Rsk<0.