Color-toner-use fixing unit and color image forming apparatus

Details Color-toner-use fixing unit and color image forming apparatus Color-toner-use fixing unit and color image forming apparatus

1999-05-10

2000-07-04

Grimley, Arthur T.

Electrophotography

Image formation

Fixing

399 69, G03G 1520

Patent

active

060850590

ABSTRACT:
In a color image forming apparatus provided with a toner image forming device for forming a color toner image on a transfer sheet; and a pair of cylindrical fixing rollers for nipping the transfer sheet bearing the color toner image formed by the toner image forming device therebetween and for fixing the color toner image on the transfer sheet; at least one of the pair of cylindrical fixing rollers including a heat ray irradiating device, a cylindrical light transmitting base member at an inside of which the heat ray irradiating device is provided, an elastic layer provided on the cylindrical light transmitting base member, and a heat ray absorbing layer provided on the cylindrical light transmitting base member and for absorbing and substantially shutting the heat ray passing the cylindrical light transmitting base member.

REFERENCES:
patent: 3948214 (1976-04-01), Thettu
patent: 5123151 (1992-06-01), Uehara et al.
patent: 5679462 (1997-10-01), Soga et al.
patent: 5724638 (1998-03-01), Isogai et al.

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