Image heating device and image forming device

Details Image heating device and image forming device Image heating device and image forming device

2003-12-22

2008-09-23

Robinson, Daniel L (Department: 3742)

Electric heating

Inductive heating

With heat exchange

C100S300000, C399S328000

Reexamination Certificate

active

07427729

ABSTRACT:
An image heating apparatus is provided that enables the entire width of a heat-producing medium to be heated uniformly and an excessive rise in temperature to be prevented, without making the configuration complex. In a fixing unit19in which this apparatus is applied, a fixing belt112is an annular member that has an inner peripheral surface and an outer peripheral surface, and produces heat through the action of magnetic flux. An exciting coil120is located in proximity to the outer peripheral surface of fixing belt112,and generates magnetic flux that acts upon fixing belt112.A suppression member650is located in proximity to inner peripheral surface of fixing belt112,and reduces, of the magnetic flux generated by exciting coil120,magnetic flux that acts upon a paper non-passage area of fixing belt112.

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patent: 2000-235329 (2000-08-01), None
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English Language Abstract of JP 10-74009.
English Language Abstract of JP 2001-125407.
English Language Abstract of JP 9-235329.
English Language Abstract of JP 2000-0649072.

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