Patent ID: 6929592

Claim:
A roll cover for a calender or press roll for treating a material web, comprising: a layer of elastomeric material having filaments running approximately longitudinally with respect to a web run direction and transversely to the web run direction embedded for reinforcement; at least one layer of additional reinforcing filaments embedded in at least some sections of said elastomeric layer, said additional reinforcing filaments running at an angle between 20° and 70° with respect to the web run direction; roll ends connectable to a roll axle; said at least one layer of additional reinforcing filaments comprises at least two layers of additional filaments in which said additional filaments in one of said at least two layers of additional filaments are oriented at an angle of about 90° to said additional filaments in another of said at least two layers of additional filaments; said at least two layers of additional filaments are formed by one of a woven, braided or crocheted belt in which reinforcing elements are oriented at approximately right angles to one another; said belt is arranged to run helically in said roll cover; and said filaments running approximately in the longitudinal direction are helically wound and said belt is arranged to be helically wound with said helically wound filaments, wherein said belt is arranged such that one edge of the belt is positioned over said helically wound filaments and an other edge of said belt is positioned under said helically wound filaments.