发明授权
US5083168A Fixing device and fixing heater for use in the same 失效
固定装置和定影加热器用于其中

Fixing device and fixing heater for use in the same
摘要:
A fixing device includes a heating element fixedly supported during a fixing procedure, a film, apparatus enabling the film to slide against the heating element, and a pressurizing roller for pressing a recording material on which a toner image is supported against the film. The heating element has a substrate, a heat generating layer provided on the substrate, and a heat-melting portion provided on the substrate. The heat-melting portion melts at a temperature higher than the fixing temperature and lower than the withstanding temperature of the substrate and thereby disconnects the heat generating layer from its power source.
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