Conductive roll

Abstract

An electrically conductive roll including (a) a cylindrical core body, (b) an electrically conductive, resilient layer located radially outwardly of the core body, the resilient layer containing a softening agent, (c) a preventive layer located radially outwardly of the resilient layer, the softening agent being prevented from spreading by the preventive layer, the preventive layer being formed of N-methoxymethylated nylon as a major constituent thereof, and containing an electrically conductive material, and (d) a resistance adjusting layer located radially outwardly of the preventive layer, the adjusting layer being formed of epichlorohydrin-ethylene oxide copolymer rubber as a major constituent thereof, the core body, resilient layer, preventive layer and adjusting layer constituting an integral cylindrical body. The conductive roll may further include (e) a protective layer located radially outwardly of the adjusting layer, the protective layer being formed of N-methoxymethylated nylon as a major constituent thereof. In the latter case, the core body, resilient layer, preventive layer, adjusting layer and protective layer constitute an integral cylindrical body.

Dependencies are inferred from the claim text.