Fixing device of electrophotographic copying machine

Details Fixing device of electrophotographic copying machine Fixing device of electrophotographic copying machine

1977-04-12

1979-03-20

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219388, 219501, 219505, G03G 1520

Patent

active

041455991

ABSTRACT:
The disclosure describes a fixing device for electrophotographic copying machine of the type in which a support carrying thereon a powder image is passed between a pair of rotary members so as to thermally fix the powder image on the support. At least one of said rotary members is heated by a heat source and its surface temperature is controlled by temperature detecting means to maintain it at a predetermined set temperature which is variable in accordance with various conditions of the copying machine, but satisfying a particular temperature relation specified therefor.

REFERENCES:
patent: 3878358 (1975-04-01), Barton et al.
patent: 4056706 (1977-11-01), Strella

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