Fixing and heating device for electrostatic copying apparatus

Details Fixing and heating device for electrostatic copying apparatus Fixing and heating device for electrostatic copying apparatus

1981-09-02

1982-12-07

Yuen, Henry C.

Heating

Advancing structure flexing, looping or coiling sheet, web...

Internally heated roll

355 3FU, 219216, G03G 1500, F27B 928

Patent

active

043625029

ABSTRACT:
A fixing and heating device for an electrostatic copying apparatus includes a fixing roller which (a) remains stationary at least until a toner is softened, (b) is driven at a low speed to even the surface temperature of the fixing roller when the surface temperature is lower than a temperature suitable for fixing when the surface temperature and is equal to the temperature suitable for fixing except during a fixing operation, and (c) is driven at a speed suitable for fixing when the surface temperature is suitable for fixing during the fixing operation.

REFERENCES:
patent: 3998584 (1976-12-01), Wada et al.
patent: 4038026 (1977-07-01), Wada et al.
patent: 4109135 (1978-08-01), Minden et al.
patent: 4119831 (1978-10-01), Sato
patent: 4168424 (1979-09-01), Kasahara et al.
patent: 4212631 (1980-07-01), Franke et al.
patent: 4232959 (1980-11-01), Ateya et al.
patent: 4319874 (1982-03-01), Sawano

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