G - Physics – 03 – G
Patent
G - Physics
03
G
314/38.5
G03G 15/20 (2006.01)
Patent
CA 1053741
CONTACT HEAT FIXING APPARATUS FOR ELECTROPHOTOGRAPHIC REPRODUCTION MACHINES ABSTRACT OF THE DISCLOSURE A contact heat fixing apparatus for electrophotographic reproduction machines wherein a heating roll 1 and a pressure roll 2 contact each other while rotating under pressure and an auxiliary heating roll 12 is provided which is engageable with and disengageable from the heating roll 1 and said auxiliary heating roll 12 is heated by means of a heating device 13 to a predetermined temperature and said auxiliary heating roll 12 is contacted under pressure to the heating roll 1 to heat the same when the temperature on the surface of said heating roll 1 falls below a temperature capable of fixing toner.
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