Multi-layer papermaker's forming fabric with auxiliary bottom MD yarns
AssigneeHuyck Licensco, Inc.
InventorKevin Ward
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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.
Claims7
A papermaker's fabric, comprising a series of repeat units, each of the repeat units comprising:
- a set of top machine direction (MD) yarns;
- a set of bottom MD yarns;
- a set of auxiliary bottom MD yarns;
- 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;
- wherein each of the auxiliary bottom MD yarns follows the same weaving sequence with the bottom CMD yarns as an adjacent bottom MD yarn.
Dependencies are inferred from the claim text.