Patent ID: 7426943
Filing Date: 2008-09-23
Classification: D21F

Abstract:
1. An industrial two-layer fabric comprising an upper side surface and a lower side surface, the fabric further comprising pairs of warps each obtained by vertically stacking an upper side warp to be woven with an upper side weft and a lower side warp to be woven with a lower side weft; wherein at least one of the pairs of the warps is a binding warp pair composed of two warp binding yarns to be woven with both the upper side weft and the lower side weft to constitute a portion of an upper side surface design of the upper side surface and a portion of a lower side surface design of the lower side surface; wherein, in a repeating unit, the lower side surface is formed by weaving the binding warp pair or the binding warp pair and the lower side warp, with the lower side wefts, the lower side surface design comprises two or three lower side surface warp designs different from each other, and wherein, in a weft design of the repeating unit, the lower side weft passes over two adjacent warps which are the two lower side warps or the lower side warp and the warp binding yarn, and then passes under a plurality of the warps that form the lower side surface, whereby forming a long crimp on the lower side surface.