Warp-tied forming fabric with selective warp pair ordering

Details Warp-tied forming fabric with selective warp pair ordering Warp-tied forming fabric with selective warp pair ordering

2008-07-30

2010-02-02

Muromoto, Jr., Bobby H (Department: 3765)

Textiles: weaving

Fabrics

Drier felts

C139S38300A, C139S414000, C162S358200

Reexamination Certificate

active

07654289

ABSTRACT:
A double layer forming fabric for a papermaking machine is warp-tied, all the warp yarns comprising binder pairs which forming a single combined path in the paper side surface. The pair members exchange positions at an exchange point between successive path segments and are laterally displaced in relation to each other at and between each exchange point. For each successive pair, an order of insertion of the first and second members in relation to each other into the weave is inverted in relation to the order of insertion for members of the immediately preceding pair, such that each first member is adjacent to the first member of the adjacent pair at the closest exchange point, and each second member is adjacent to the second member of the adjacent pair at the closest exchange point. The fabric has improved drainage uniformity leading to improved paper formation and reduced sheet marking.

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