Fixing apparatus and releasing agent supplying apparatus

Details Fixing apparatus and releasing agent supplying apparatus Fixing apparatus and releasing agent supplying apparatus

1998-10-28

2000-02-22

Moses, Richard

Electrophotography

Image formation

Fixing

492 17, 492 53, G03G 1520

Patent

active

060290404

ABSTRACT:
A fixing apparatus includes a fixing belt that pressure-thermally fixes unfixed toner images on sheets, and an oil coating roller that holds silicone oil for preventing the offset phenomenon to be coated on the fixing belt. The oil coating roller consists of an inner oil holding layer formed of paper and a surface oil holding layer formed of aramid fibers. The oil diffusing capacity and the oil holding capacity are reduced from the inner oil holding layer toward the surface oil holding layer. Thus, it is possible to suppress the oil coating amount in the initial period of the roller life to a level that does not cause problems such as oil stains, increase the oil coating amount in the final period of the roller life to a level that does not cause problems such as offsets, and prevent image noises.

REFERENCES:
patent: 5482552 (1996-01-01), Kikukawa et al.
patent: 5674020 (1997-10-01), Kimura et al.
patent: 5732317 (1998-03-01), Orchard, II et al.
patent: 5839041 (1998-11-01), Condello et al.
patent: 5853832 (1998-12-01), Ishikawa

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