Bierman, Muserlian and Lucas LLP
Toner image fixing device
 A fixing device includes a fixing member, the surface of which composed of a fluororesin layer, a pressure member which is brought into contact with the surface of the fixing member; a heating member for fusing a toner image on a recording medium, which passes between the fixing member and pressure member, through the fixing member. The device further includes a hollow oil roller for coating toner repellent oil, which is accommodated inside a hollow of the roller, onto the surface of the fixing member. The outer layer of the oil roller is made of a porous layer into which a fluorine-containing surface active agent is impregnated. 
Konica Corporation
G
G03G
inventional
Masashi Kazuo Kazuhiko
Saito Yasuda Uneme