Conductive rubber roller
    2.
    发明授权
    Conductive rubber roller 有权
    导电胶辊

    公开(公告)号:US06283903B1

    公开(公告)日:2001-09-04

    申请号:US09460747

    申请日:1999-12-14

    IPC分类号: B25F502

    摘要: Disclosed is a conductive rubber roller, comprising a core metal shaft, an ionic conductive layer formed to surround the outer circumferential surface of the core metal shaft and consisting of a high molecular weight elastomer containing an ionic conducting agent or a foamed body of such a high molecular weight elastomer, an electron conductive layer formed to surround the outer circumferential surface of the ionic conductive layer and consisting of a high molecular weight cellular elastomer containing an electron conducting agent or a high molecular weight cellular elastomer containing an electron conducting agent, a toner contamination preventing layer formed to surround the outer circumferential surface of the electron conductive layer, and an insulating annular sealing member mounted to each of both edges of the ionic conductive layer and the electron conductive layer both extending in the longitudinal direction of the metal core wherein a relationship R1>R2>R3, where R1, R2 and R3 denote, respectively, the electric resistance of the ionic conductive layer, the electron conductive layer and the toner contamination preventing layer, is satisfied, and the annular sealing member has an electric resistance of at least 1013 &OHgr;·cm.

    摘要翻译: 公开了一种导电橡胶辊,其包括芯金属轴,形成为围绕芯金属轴的外周面的离子导电层,并且由含有离子导电剂或这样高的发泡体的高分子量弹性体组成 分子量弹性体,形成为围绕离子导电层的外周表面并由含有电子传导剂或含有电子传导剂的高分子量弹性体弹性体的高分子量多孔弹性体构成的电子传导层,调色剂污染物 形成为围绕电子传导层的外周面的防止层,以及安装在离子导电层和电子传导层的两个边缘中的绝缘环形密封件,两者沿金属芯的纵向方向延伸,其中, R1> R2> R3,其中R1,R2和R3 分别表示离子导电层,电子传导层和调色剂污染防止层的电阻,并且环形密封构件具有至少1013欧姆·厘米的电阻。