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:
Apr. 23, 2002
Filed:
Feb. 18, 2000
Kazuo Kishino, Kawasaki, JP;
Yasumasa Ohtsuka, Yokohama, JP;
Toshihiko Ochiai, Tokyo, JP;
Masaaki Takahashi, Asaka, JP;
Akira Hayakawa, Abiko, JP;
Hideo Kawamoto, Tokyo, JP;
Mahito Yoshioka, Toride, JP;
Osamu Soutome, Kawasaki, JP;
Kenji Karashima, Abiko, JP;
Yuji Kitano, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A fluorine-containing resin-coated pressure roller exhibiting excellent anti-toner soiling characteristic even at low roller temperatures is provided. The pressure roller includes a cylindrical metal substrate, and a rubber elastic layer, an adhesive layer and a fluorine-containing resin release layer disposed in this order on and successively coating the cylindrical metal substrate. The pressure roller has a surface exhibiting a micro-rubber hardness of at most 50 deg., a contact angle with water of at least 105 deg. and a ten point-average surface roughness Rz of at most 3.0 &mgr;m. The pressure roller may be suitably combined with a fixing film to provide a film heating-type fixing device suitably used in an electrophotographic image forming apparatus.