Heat fixing device and image forming apparatus

Electrophotography – Image formation – Fixing

Reexamination Certificate

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Reexamination Certificate

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06907221

ABSTRACT:
A heat fixing device for heat fixing a toner image to a receiving medium having a pair of fixing belts in an endless form; a pair of rotary members individually disposed on a respective inside circumference of the fixing belts and pressed against each other via the fixing belts; a pair of fixing members individually disposed on the respective inside circumference of the fixing belts and pressed against each other via the fixing belts; and a heating element for heating at least one of the fixing belts, wherein the fixing belts contact the rotary members and the fixing members only at a respective portion thereof via which the respective pair of rotary members and fixing members are pressed against each other.

REFERENCES:
patent: 5124755 (1992-06-01), Hediger
patent: 5970301 (1999-10-01), De Cock
patent: 6721532 (2004-04-01), Kosugi et al.
patent: 09-274401 (1997-10-01), None
patent: 09274401 (1997-10-01), None
patent: 10207272 (1998-08-01), None
patent: 10-333459 (1998-12-01), None
patent: 11174878 (1999-07-01), None
patent: 2001-034094 (2001-02-01), None

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