Patent ID: 6145550
Filing Date: 2000-11-14
Classification: D21F

Abstract:
A papermaker's fabric, comprising top machine direction yarns, top cross machine direction yarns, bottom machine direction yarns, bottom cross machine direction yarns, and sets of first and second stitching yarns, said fabric being formed in a plurality of repeating units, each of said repeating units comprising:a set of top machine direction yarns;a set of top cross machine direction yarns interwoven with said set of top machine direction yarns;a set of bottom machine direction yarns;a set of bottom cross machine direction yarns interwoven with said set of bottom machine direction yarns;wherein pairs of first and second stitching yarns are positioned between pairs of top cross machine direction yarns, said first and second stitching yarns of each pair being interwoven with said top and bottom machine direction yarns such that, as a fiber support portion of said first stitching yarn is interweaving with said top machine direction yarns, a binding portion of said second stitching yarn is positioned below said top machine direction yarns, and such that as a fiber support portion of said second stitching yarn is interweaving with said top machine direction yarns, a binding portion of said first stitching yarn is positioned below said top machine direction yarns, and such that said first and second stitching yarns cross each other as they pass below a transitional top machine direction yarn, and such that each of said binding portions of said first and second stitching yarns passes below at least one of said bottom machine direction yarns, and wherein between 25 and 50 percent of adjacent pairs of first and second stitching yarns are interwoven as reversed picks.