Patent ID: 7415993

Claim:
A composite forming fabric comprising a paper side layer having a paper side surface, a machine side layer having a bottom wear side surface, and a plurality of pairs of first and second intrinsic, interchanging weft yarns at least interweaving with the paper side layer, wherein the paper side layer and the machine side layer each comprise warp yarns and non-interchanging weft yarns woven together; said paper side layer and said machine side layer each having a predetermined repeat of the weave pattern in the cross-machine direction; at least one of said plurality of pairs of first and second intrinsic, interchanging weft yarns having at least four segments in the paper side layer within each repeat of the weave pattern, said segments providing an unbroken weft path in the paper side surface, with each succeeding segment being separated in the paper side surface of the paper side layer by at least one paper side layer transitional warp yarn, the yarns of said intrinsic, interchanging weft pairs are both binder wefts or one of the interchanging yarns is a binder weft and the other is a top weft in the weave pattern.