Device for heating fusing and pressure roller using...

Details Device for heating fusing and pressure roller using... Device for heating fusing and pressure roller using...

2008-04-15

2008-04-15

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Fixing

C219S216000, C219S672000

Reexamination Certificate

active

10943148

ABSTRACT:
A fusing device for an image forming apparatus including a cylindrical fusing roller, a pressure roller installed opposite to the fusing roller and pressing a sheet of paper passing therebetween, and an inductive heating element simultaneously heating the fusing roller and the pressure roller. The fusing device reduces the time to reach a fusing temperature by heating both the fusing roller and the pressure roller with a closed magnetic core extending between hollow portions of each.

REFERENCES:
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patent: 6320168 (2001-11-01), Kimata et al.
patent: 6336027 (2002-01-01), Sakai et al.
patent: 6341211 (2002-01-01), Tsujimoto et al.
patent: 6661991 (2003-12-01), Naito et al.
patent: 6816698 (2004-11-01), Morihara
patent: 61261763 (1986-11-01), None
patent: 08-076622 (1996-03-01), None
patent: 10-031389 (1998-02-01), None
patent: 10-123862 (1998-05-01), None
English translation of JP 61-261763.

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