Toner supply roller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 17, 2004
Grant Date -
Aug 14, 2003
app pub date -
Jan 23, 2003
filing date -
Jan 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A toner supply roller comprises a metallic core shaft and an electrically conductive elastic layer formed to surround the outer surface of the shaft. The conductive elastic layer is formed of open-cell polyurethane foam. The polyurethane foam is impregnated with an electrically conductive polymer and a binder.
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