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. 14, 2006
Filed:
Feb. 10, 2003
Hideyuki Yano, Shizuoka, JP;
Masahiro Suzuki, Shizuoka, JP;
Katsuhisa Matsunaka, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating apparatus according to the present invention includes a fixing sleeve, a guide member that is arranged in an inner circumferential section of fixing sleeve and rotatably holds the fixing sleeve, a pressure roller that press-contacts with the guide member through the fixing sleeve and forms a fixing nip, and heating unit that heating the fixing sleeve and heats paper conveyed in the fixing nip with the rotation of the fixing sleeve. Grease that increases slide property is applied to an interface between the fixing sleeve and guide member, and the surface roughness of at least an area of an inside surface of the fixing sleeve contacting with the above-described guide member is made to be 0.05 or more in an Rz value.