Belt-type fixing device having a pressure roller with...

Details Belt-type fixing device having a pressure roller with... Belt-type fixing device having a pressure roller with...

2008-06-10

2011-10-25

Royer, William J (Department: 2852)

Electrophotography

Image formation

Fixing

C399S333000

Reexamination Certificate

active

08045906

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.

REFERENCES:
patent: 4200389 (1980-04-01), Matsui et al.
patent: 6144832 (2000-11-01), Nimura et al.
patent: 6668152 (2003-12-01), Jacob
patent: 7447474 (2008-11-01), Fujino
patent: 5-53467 (1993-03-01), None
patent: 10-156841 (1998-06-01), None
patent: 2004-94079 (2004-03-01), None

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