Fixing device including a pressure rotator and a thermal conduction aid, and image forming apparatus including the fixing device
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United States of America Patent
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May 21, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jun 20, 2017
filing date -
Jul 7, 2016
priority date (Note) -
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Abstract
A fixing device includes an endless belt and a pressure rotator disposed opposite an outer circumferential surface of the endless belt. The pressure rotator has a first span in an axial direction of the endless belt. A nip formation pad, which is disposed opposite an inner circumferential surface of the endless belt, forms a fixing nip between the endless belt and the pressure rotator. The nip formation pad includes a belt-side face disposed opposite the endless belt. A radiant heater, which is disposed opposite the inner circumferential surface of the endless belt, heats the endless belt. A thermal conduction aid, which contacts the belt-side face of the nip formation pad, conducts heat in the axial direction of the endless belt. The thermal conduction aid has a second span within which the first span of the pressure rotator is provided at the fixing nip.
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