Press cover with reinforcing threads formed as twisted yarns, shoe press and method of processing a fibrous material web

A press cover, comprising:

• at least one polymer layer;
• a reinforcing structure embedded in said at least one polymer layer, said reinforcing structure being a scrim with a first, radially inner layer made of multiple longitudinal threads extending in an axial direction of the press cover and a second, radially outer layer made of at least one circumferential thread extending substantially in a circumferential direction of the press cover;
• said longitudinal threads of said first layer, and optionally also the at least one circumferential thread of the second layer, being formed as a reinforcing thread that is formed as a twisted yarn, in that firstly several individual fibers or fiber bundles are twisted together in a first twist direction at a first turn rate so as to form a pre-twist, and then several such pre-twists are twisted together in a second twist direction, opposite the first twist direction, at a second turn rate;
• wherein the first turn rate is lower than the second turn rate and, viewed in the radial direction of the press cover, said longitudinal threads and said at least one circumferential thread are arranged to touch one another.