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:
Jun. 02, 2026
Filed:
Jan. 14, 2025
Canon Kabushiki Kaisha, Tokyo, JP;
Shoichiro Ikegami, Kanagawa, JP;
Kohei Okayasu, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A fixing unit includes a rotary member, a contact portion arranged in an internal space of the rotary member, a pressing member configured to be in contact with an outer surface of the rotary member, and a heating portion configured to heat the rotary member such that the rotary member heats an image on a recording material being nipped in and conveyed through a nip portion between the rotary member and the pressing member. A lubricant is applied between the inner surface of the rotary member and the contact portion. The lubricant contains abase oil at a ratio of 80% or more with respect to a total mass of the lubricant. A developed interfacial area ratio of the inner surface of the rotary member is 0.10 or more and 0.50 or less.