Multi-layer papermaker's forming fabric with auxiliary bottom MD yarns
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United States of America
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Jan 4, 2022
Grant Date -
Feb 4, 2021
app pub date -
Sep 11, 2020
filing date -
Sep 11, 2020
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Abstract
A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction MD yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction CMD yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.
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