Wire section and belt guide for such a wire section

A wire section 10 of a machine for producing a fibrous web 12, such as in particular a paper or board web, comprising a rotating between two endless wire belts 16, formed 18 twin-14, in the region of which at least one of the two mesh belts 16 by a circulating, disposed within the respective Siebbandschlaufe flexible supporting belt is supported 22nd The generally at least substantially circularly cylindrically guided flexible supporting belt 22 is guided in the supporting portion 24 along a direction deviating from the circular-cylindrical web 36 web 38 whose average radius of curvature R is greater than the radius R¶K¶ the circular-cylindrical web 36 and in particular is greater than the average radius of curvature of total traversed by the supporting belt 22 path 48th