Abstract: The present invention provides a current-conducting roller comprising a central portion constituting the main axial portion of the roller and two half-shafts extending respective ends of the central portion, each half-shaft comprising a steel body provided with an internal copper heat-shrink fitting itself provided with an internal protective bushing, wherein the internal copper fitting is placed in a blind bore of the steel body and wherein it is provided with a compressible gasket interposed between the end of the blind bore and the corresponding end of the internal copper fitting.

Abstract: A current conducting roller, in particular for a continuous electrolysis line, the roller comprising in conventional manner a steel body (120) and being characterized by the fact that it includes an inside copper fitting (130) over at least a portion of its length.