High permeability woven members employing paired machine direction yarns for use in papermaking machine
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United States of America Patent
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Issued Date -
May 27, 2004
app pub date -
Nov 27, 2002
filing date -
Nov 27, 2002
priority date (Note) -
Abandoned
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Abstract
Multilayer woven fabrics include first and second machine direction layers, each machine direction layer including machine direction yarns extending in the machine direction of movement of the fabric through a section of a papermaking machine. One of the machine direction layers includes a plurality of pairs of contiguous machine direction yarns; each pair being spaced apart in the cross-machine-direction of the fabric from an adjacent pair and being in substantially vertically stacked alignment with a single machine direction yarn, or a pair of machine direction yarns in the other machine direction layer. A plurality of cross-machine-direction yarns, either single or paired, for binding the machine direction yarns extend in the cross-machine-direction of the fabric, are spaced apart in the machine direction of the fabric and are interwoven with the stacked machine direction layers to bind the single or paired machine direction yarns in one layer and the paired machine direction yarns in the other layer together in substantially vertically stacked alignment and to maintain that substantially vertically stacked alignment in the fabric during use.
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