Patent ID: 9693393
Date: 2017-06-27
CPC Classifications: D21F,F16C,H05B

Claim:
1. A heated roll comprising, a circular cylindrical casing tube ( 1 ) made from thermally conductive metal, caps ( 2 , 3 ) which close axial end faces of the tube, one or more electric heating mats ( 8 ) arranged inside the casing tube ( 1 ), at least one connection pin ( 5 ) arranged on a first one of the caps ( 2 ) through which an connection cable ( 11 ) is guided to supply the heating mats ( 8 ) with electric power, an annular brushing body ( 7 ) fastened at the connection pin ( 5 ) forming an electric contact to the connection cables ( 11 ), and a tension device ( 9 , 14 , 15 ) arranged inside the casing tube ( 1 ), which permanently presses the heating mats ( 8 ) against an interior surface of the casing tube ( 1 ), and the tension device comprises at least two compression shells ( 9 ) formed as segments of cylindrical casings, which are connected to each other via adjustment members ( 15 ), and the adjustment members ( 15 ) move the at least two compression shells apart or towards each other.