Heating apparatus

Details Heating apparatus Heating apparatus

2007-07-31

2007-07-31

Gray, David M. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C219S216000, C399S328000

Reexamination Certificate

active

10776380

ABSTRACT:
The heating apparatus of a surface-heating type, includes a rotary member, an opposing member that forms a nip with respect to the rotary member, and a heating member for heating a portion of a rotary member surface other than the nip, in which temperature used for heating the rotary member by the heating member is controlled, and a heating material inserted in the nip to be nipped and conveyed therein is heated using heat of the rotary member. Accordingly, after insertion of the heating material in the nip starts, control temperature of the heating member is increased before the rotary member rotates by one revolution, thereby preventing an uneven heating phenomenon of the heating material in the first revolution and the second revolution or later, and preventing uneven gloss due to the uneven heating phenomenon in the fixing apparatus.

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patent: 11194655 (1999-07-01), None
patent: 2002-251096 (2002-09-01), None

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