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. 28, 2017
Filed:
Apr. 22, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Dow Corning Toray Co., Ltd., Tokyo, JP;
Hirohiko Aiba, Suntou-gun, JP;
Satoru Taniguchi, Mishima, JP;
Masaki Hirose, Suntou-gun, JP;
Teruyoshi Tanaka, Gotenba, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
DOW CORNING TORAY CO., LTD., Tokyo, JP;
Abstract
Provided is a heat fixing apparatus, which suppresses the depletion of a lubricant applied to an inside of the heat fixing apparatus and which has long life and high reliability, the heat fixing apparatus including a heating rotary member and a pressurizing rotary member, and containing, as a lubricant in a sliding portion, (A) perfluoropolyether oil having a kinetic viscosity at 40° C. of from 100 to 200 mm/s and an evaporation loss being 1.2 mass % or less in a case where 10 g of a sample of the perfluoropolyether oil is placed in a petri dish having an inner diameter of 41 mm and allowed to stand still at 250° C. for 200 hours and (B) polytetrafluoroethylene.