Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2007-06-12
2007-06-12
Grainger, Quana (Department: 2852)
Electrophotography
Control of electrophotography process
Control of fixing
Reexamination Certificate
active
11010269
ABSTRACT:
An image forming apparatus includes a fixing device having a pressure roller. The surface of the pressure roller is coated with a PFA resin and has an average surface roughness Ra of 0.05 to 0.13 μm. A thermister is provided to detect the surface temperature of the pressure roller. The thermister includes a metal plate, a resister element attached to the metal plate, and a pair of fluorocarbon-resin films sandwiching the metal plate and the resister element. The fluorocarbon-resin film has a thickness of 15 μm to 80 μm.
REFERENCES:
patent: 5281793 (1994-01-01), Gavin et al.
patent: 5287155 (1994-02-01), Arai et al.
patent: 5299870 (1994-04-01), Moritani
patent: 5585896 (1996-12-01), Yamazaki et al.
patent: 5765075 (1998-06-01), Yamamoto
patent: 6167216 (2000-12-01), Hori
patent: 2002/0018663 (2002-02-01), Furukawa et al.
patent: 2002/0041772 (2002-04-01), Makihira et al.
patent: 2003/0162118 (2003-08-01), Komatsu et al.
patent: 2003/0231894 (2003-12-01), Matsuno et al.
patent: 2004/0028423 (2004-02-01), Hashiguchi et al.
patent: 2003-98899 (2003-04-01), None
Hanashima Toru
Hiraoka Chikara
Matsumoto Shogo
Sato Goro
Takegoshi Tetsuji
Grainger Quana
McGuireWoods LLP
Ricoh Printing Systems Ltd.
LandOfFree
Image forming apparatus having a fixing device with improved... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image forming apparatus having a fixing device with improved..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus having a fixing device with improved... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3848158