Patent ID: 8640741

Claim:
A woven papermaker fabric ( 31 , 81 ), in particular a forming fabric, having a first woven fabric layer ( 32 , 82 ) forming a paper side at the outside of the fabric ( 31 , 81 ) and made of first threads ( 2 , 4 , 6 . . . 24 ; 34 to 45 ; 84 to 96 ) interwoven with one another which form recurring first woven repeats and a paper side plane ( 72 , 113 ), and having a second woven fabric layer ( 33 , 83 ) forming a machine side at the outside of the fabric made of second threads ( 1 , 3 , 5 . . . 23 ; 46 to 57 , 97 to 109 ) interwoven with one another, which form recurring second woven repeats, the two woven fabric layers ( 32 , 33 ; 82 , 83 ) forming together an overall woven repeat of the fabric ( 31 , 81 ) and being connected to one another by binder threads formed by structural second threads ( 46 to 57 , 98 to 109 ) belonging to the second woven repeats at binder points, where one binder thread and one first thread ( 34 to 45 ; 85 to 96 ) running adjacently in the same direction bind a first thread ( 2 , 4 , 6 . . . 24 ; 84 ) running transversely thereto side by side on its paper side respectively, the binder threads forming knuckles ( 58 to 69 ; 110 ) at the binder points having peaks ( 71 , 112 ) on their paper side constituting a peak plane ( 74 ) parallel to a paper side plane ( 72 , 113 ), and the first threads forming knuckles ( 73 , 111 ) on the paper side with concave inner bends, the points of which lying nearest to the paper side plane ( 72 , 113 ) constituting an inner plane ( 75 , 114 ) parallel to the paper side plane ( 72 , 113 ), characterized in that the tension of the first threads ( 2 , 4 , 6 . . . 24 ; 84 ) extending transversely to the binder threads is such that the peak plane ( 74 ) is nearer to the paper side plane ( 72 , 113 ) than the inner plane ( 75 , 114 ) thereby causing oscillating lateral deflections of at least one of the first threads ( 34 to 45 ; 85 to 96 ) running adjacently to and in the same direction as the respective binder thread in the region of the binder points.