Patent ID: 6148869
Filing Date: 2000-11-21
Classification: D21F,Y10T

Abstract:
A wear resistant dual layer papermaking fabric having an upper paper fiber support surface and a lower machine contact surface, said fabric comprising:a first plurality of picks of weft yarn weaving with a plurality of warp yarns in a twill weave to form, on said support surface, consecutive weft yarn floats of equal length passing over equal members of adjacent of said warp yarns forming said support surface as a weft dominated surface, said warp yarns cross over ends of said weft yarn floats anchoring said weft yarn floats;a second plurality of picks of weft yarn weaving with said warp yarns in a twill weave to form on said machine surface consecutive weft yarn floats of equal length passing under even numbers of adjacent of said warp yarns forming said contact surface as a weft dominated surface; and,providing the number of said support surface weft yarn floats be at least twice the number of said machine surface weft yarn floats.