Patent ID: 6020417
Filing Date: 2000-02-01
Classification: B41J,B65H,G03G,Y10T

Abstract:
A sheet feed roller for use in an image forming device for feeding sheets, said roller being provided downstream of image-fusing rollers for forming images on said sheets by fusing toner thereon, said sheet feed roller comprising a roller body having boss portions at both ends thereof or formed with a bore through which a shaft is to be inserted, said roller being entirely injection-molded from at least one material selected from the group consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymers, tetrafluoroethylene-hexafluoropropylene copolymers, and tetrafluoroethylene-ethylene copolymers, said material having a crystalline melting point of 250.degree. C. or higher, and a melt viscosity of 1.times.10.sup.3 to 1.times.10.sup.6 poise at 280-380.degree. C.