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. 05, 2019
Filed:
Jun. 07, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Yusuke Owaki, Moka, JP;
Hirotaka Fukushima, Utsunomiya, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A fixing device capable of stably performing a fixing operation for a long time is provided. The fixing device includes a cylindrical fixing belt and a heater. The fixing belt includes a resin layer forming an inner circumferential surface contactable with the heater. The heater includes a surface layer forming a sliding surface sliding on the fixing belt. The surface layer is an amorphous carbon film containing graphite particles. The sliding surface includes protrusions derived from the graphite particles. The protrusions have a distribution density of 50 to 2000 per 1 square millimeter of the sliding surface.