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公开(公告)号:US07152322B2
公开(公告)日:2006-12-26
申请号:US10885799
申请日:2004-07-08
IPC分类号: B21D53/00
CPC分类号: G03G15/0808 , G03G2215/0869 , Y10T29/49549 , Y10T29/4956 , Y10T29/49563
摘要: 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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公开(公告)号:US06776745B2
公开(公告)日:2004-08-17
申请号:US10349070
申请日:2003-01-23
IPC分类号: B23P1500
CPC分类号: G03G15/0808 , G03G2215/0869 , Y10T29/49549 , Y10T29/4956 , Y10T29/49563
摘要: 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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