Fixing device

Details Fixing device Fixing device

2006-09-12

2006-09-12

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Fixing

C399S122000, C399S330000, C399S331000, C399S335000, C219S216000

Reexamination Certificate

active

07106999

ABSTRACT:
A fixing device in an image forming device that includes a rotating heating roller, a coil provided on the outside of the heating roller, a heating mechanism using the coil to heat the heating roller through electromagnetic induction, and a pressure roller that contacts the heating roller with pressure and, together with the heating roller, pinches and conveys a recording paper in order to fix developer that has been transferred onto the recording paper, wherein a magnetic layer is formed over the pressure roller to increase the amount of magnetic flux passing through the surface of the heating roller.

REFERENCES:
patent: 5822669 (1998-10-01), Okabayashi et al.
patent: 6037576 (2000-03-01), Okabayashi et al.
patent: 6154629 (2000-11-01), Kinouchi et al.
patent: 6445902 (2002-09-01), Hirst et al.
patent: 6591082 (2003-07-01), Samei et al.
patent: 2004/0105708 (2004-06-01), Imai et al.
patent: A 11-297462 (1999-10-01), None

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