Fusing device for an electrophotographic image forming...

Details Fusing device for an electrophotographic image forming... Fusing device for an electrophotographic image forming...

2005-02-08

2005-02-08

Royer, William J. (Department: 2852)

Electrophotography

Image formation

Fixing

C219S216000, C399S333000, C432S060000

Reexamination Certificate

active

06853833

ABSTRACT:
A fusing device for an electrophotographic image forming apparatus includes a fusing roller which includes a tubular heat pipe, both ends of which are sealed and in which a predetermined amount of a working fluid is contained, a cylindrical roller which surrounds the heat pipe, and a heater which is installed between the cylindrical roller and the heat pipe, and a pressing roller which presses a sheet of paper passing between the pressing roller and the fusing roller. A rubber layer having a predetermined thickness is formed on a surface of the cylindrical roller so as to form a fusing nip with the paper.

REFERENCES:
patent: 6628917 (2003-09-01), Lee
patent: 6665504 (2003-12-01), Lee et al.
patent: 6665515 (2003-12-01), Lee
patent: 6690907 (2004-02-01), Lee

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