Heating-fixing roller and fixing device having the same

Details Heating-fixing roller and fixing device having the same Heating-fixing roller and fixing device having the same

1984-12-14

1986-12-09

Goldberg, L. A.

Electric heating

Heating devices

Combined with diverse-type art device

219505, 219469, 355 3FU, 432 60, G03G 1520, H05B 310

Patent

active

046281835

ABSTRACT:
A heating-fixing roller has over the axial direction thereof a heat-generating layer formed via the step of mixing a raw material capable of obtaining a positive temperature coefficient of resistivity characteristic by baking and a binder for holding the raw material and forming an unbaked annular substrate and the step of providing an electrode to which an applied voltage is supplied on the mixture during the forming step, and thereafter via the step of baking the unbaked annular substrate on which the electrode is formed. The heat-generating layer has a positive temperature coefficient of resistivity characteristic after the baking and has the electrode formed on the surface thereof.

REFERENCES:
patent: 4034207 (1977-07-01), Tamada
patent: 4162395 (1979-07-01), Kobayashi
patent: 4213031 (1980-07-01), Farber
patent: 4266115 (1981-05-01), Dannatt
patent: 4395109 (1983-07-01), Nakajima

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