Electric heating – Heating devices – Combined with diverse-type art device
Patent
1982-07-15
1984-02-28
Reynolds, B. A.
Electric heating
Heating devices
Combined with diverse-type art device
219469, 432 60, 432228, 165133, B21B 2700, H05B 302
Patent
active
044343558
ABSTRACT:
The disclosure is directed to a heat roller fixing device for use in an electrophotographic copying apparatus and the like, which includes a heating roller constituted by laminating an offset prevention layer on an electrically conductive core member and having a heating element incorporated in it so as to be driven for rotation by a driving unit, and a pressure roller constituted by forming an electrically insulative layer on another electrically conductive core member and held in contact under pressure with the heating roller for simultaneous rotation with the heating roller, so as to fix toner image formed on copy paper onto the copy paper by causing the copy paper carrying the toner image on it, to pass between the heating roller and pressure roller. The offset prevention layer is composed of fluorine resin containing carbon fibers in a combined amount of less than 30%.
REFERENCES:
patent: 3291466 (1966-12-01), Aser
patent: 3593398 (1971-07-01), Hess
patent: 3948214 (1976-04-01), Thettu
patent: 4109024 (1977-04-01), Namiki
patent: 4179601 (1979-12-01), Tarumi
patent: 4257699 (1981-03-01), Lentz
patent: 4272179 (1981-06-01), Seanor
Inagaki Sanji
Takiguchi Shinji
Tanaka Susumu
Minolta Camera Kabushiki Kaisha
Reynolds B. A.
Walberg Teresa J.
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