Belt-type fixing device having a pressure roller with surface undulations
AssigneeKonica Minolta Business Technologies, Inc.
InventorHiroshi Funabiki
Life of this patent
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Abstract
A belt-type fixing device having therein an endless fixing belt, a pressure roller arranged inside the aforesaid fixing belt and a pressure member that presses the fixing belt against the pressure roller, wherein a toner image on a recording material is fixed in a nip portion formed between the fixing belt and the pressure member, and wherein the pressure roller has an elastic layer made of solid rubber, and the elastic layer is covered by a resin layer, and further plural undulations are formed in the circumferential direction of the outer circumferential surface of the pressure roller.
Claims6
A belt-type fixing device comprising:
- an endless fixing belt;
- a pressure roller arranged inside the fixing belt;
- and
- a pressure member which presses the fixing belt against the pressure roller,
- wherein a toner image on a recording material is fixed in a nip portion formed between the fixing belt and the pressure member, and
- wherein the pressure roller has an elastic layer which is made of solid rubber and covered by a resin layer, and a plurality of undulations are formed on an outer circumferential surface of the pressure roller in a circumferential direction.
Dependencies are inferred from the claim text.