Temperature control device for heat-roll fusing apparatus

Details Temperature control device for heat-roll fusing apparatus Temperature control device for heat-roll fusing apparatus

1988-09-22

1990-01-02

Pellinen, A. D.

Electric heating

Heating devices

Combined with diverse-type art device

219471, 219494, 355285, G03G 1500

Patent

active

048914959

ABSTRACT:
A temperature control device adapted to increase the roll surface temperature to the fusing temperature after initiation of power supply. When the roll surface temperature is to be increased from a level below a reference temperature, the current is supplied until the roll surface temperature reaches a predetermined temperature lower than the fusing temperature, and when the roll surface temperature is to be increased from a level higher than the reference temperature, the current is supplied for a predetermined time which is set according to the roll surface temperature at the initiation of power supply.

REFERENCES:
patent: 3946199 (1976-03-01), Nakamura
patent: 4104692 (1978-08-01), Sudo et al.
patent: 4324486 (1982-04-01), Nishikawa
patent: 4603245 (1986-07-01), Yagosaki
patent: 4609278 (1986-09-01), Taniguchi
patent: 4627714 (1986-12-01), Nozaki
patent: 4745430 (1988-05-01), Tsuchiya

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