초록

The roller's surface resin tube layer includes two different types of resin or resin and rubber materials. The roller's tube layer is subject to electric discharge treatment.

대표청구항 ▼

[ What is claimed is:] [1.] An image fixing apparatus, comprising:a heater;a film;a roller forming a nip with said heater with said film therebetween, said roller being driven to drive said film, wherein a recording material carrying an unfixed image is fed by the nip so that the unfixed image is fi

[ What is claimed is:] [1.] An image fixing apparatus, comprising:a heater;a film;a roller forming a nip with said heater with said film therebetween, said roller being driven to drive said film, wherein a recording material carrying an unfixed image is fed by the nip so that the unfixed image is fixed on the recording material by heat from said heater;wherein said roller has a surface resin tube layer, and wherein a center line average surface roughness Ra (.mu.m), a dynamic friction coefficient .mu., and a peripheral speed V (mm/sec) of said roller satisfy:when Ra<0.3, EQU .mu..gtoreq.1.3.times.10.sup.-3 V+0.18when Ra.gtoreq.0.3 EQU 0.37.gtoreq.Ra.times..mu..gtoreq.6.4.times.10.sup.-4 V+4.8.times.10.sup.-3.