Developing roller and image formation apparatus
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United States of America Patent
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-
Jun 17, 2003
Grant Date -
Aug 22, 2002
app pub date -
Dec 19, 2001
filing date -
Dec 22, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A shaft is disclosed, having good electroconductivity and an electroconductive elastic layer which is formed on the outside periphery of the shaft, and which has a thermal conductivity of at least 0.15 W /m.multidot.K; and an image formation apparatus equipped with the developing roller. The above developing roller is capable of suppressing temperature rise of the roller surface, thereby preventing a developer from being adhesively fixed to the roller surface, suppressing wear on the roller surface, suppressing the generation of cracking, crazing and the like on the roller end, and thus affording favorable images for a long period of time.
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