Double layer forming fabric with high center plane resistance

Details Double layer forming fabric with high center plane resistance Double layer forming fabric with high center plane resistance

2005-09-29

2008-09-23

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

Textiles: weaving

Fabrics

Drier felts

C139S3830AA, C162S358200, C162S901000, C162S903000

Reexamination Certificate

active

07426944

ABSTRACT:
Double layer forming fabrics, woven to an overall repeating weave pattern requiring at least 8 sheds in the loom, provide a low drainage area in a notional center plane between the paper and machine side layers, to resist and retard initial impingement drainage. Transverse binder yarn pairs follow a single combined path interweaving with paper side layer and machine side layer yarns, with long internal floats under at least four paper side layer yarns between exchange points and interlacing points in the machine side layer. The members of the pairs are laterally displaced in relation to each other along the single combined path. The fabric has a total warp fill after heatsetting of at least 100%. The drainage areas of the paper side layer and the machine side layers are between 25% and 50%, and the center plane drainage area is between 8% and 20%.

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