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. 04, 1989
Filed:
May. 22, 1987
Moriyoshi Matsushiro, Toyohashi, JP;
Etsuaki Urano, Toyokawa, JP;
Minolta Camera Kabushika Kaisha, Osaka, JP;
Abstract
A fixing roller of the present invention comprising at least an electrically conductive core member and a PFA dispersion layer formed from a polytetrafluoro ethylene perfluoro alkoxy ethylene co-polymer (PFA resin) with carbon black or like conductive material dispersed therein by means of a dispersing agent. A roller of this construction effectively prevents triboelectrically-induced offset caused by the electrostatic attraction of the toner by a surface charge on the outer peripheral surface of the roller. Since the release properties of said roller are superior, offset caused by thermal adhesion of the toner to the roller is also effectively prevented.