An apparatus for applying a liquid or pasty application medium to a moving material web, especially of paper or cardboard

An apparatus for applying liquid or pasty application medium to a moving material web (14), in particular of paper or board, comprising at least one applicator unit (16) which discharges the application medium to a moving substrate, wherein a support arrangement (30) is provided, which the material web in the area of ​​applying the application medium to the material web (14) supports and a guiding and deflecting arrangement (22, 26, 28) and at least one revolving around a plurality of rollers of the guiding and deflecting arrangement elongated support member (24) has, which engages with a support side of the material web (14) to support the material web (14) and / or a support by at least one of the guide and deflecting rollers (22, 26, 28) to convey. at least one of the material web (14) According to the invention in association with the support structure (30) is provided acting Einspannwalze (28) which is arranged such that the material web (14) over the Einspannwalze (28) the applicator (16) or the transfer element (44) is supplied, and the material web (14) is clamped between the support member (24) and the Einspannwalze (28).