Low air permeability papermaking fabric

Details Low air permeability papermaking fabric Low air permeability papermaking fabric

D - Textiles, Paper

03

D

D03D 15/00 (2006.01) D03D 1/00 (2006.01) D03D 3/04 (2006.01) D03D 13/00 (2006.01) D21F 1/00 (2006.01) D21F 1/10 (2006.01)

Patent

CA 2204686

A flat woven papermakers' fabric comprises primary warp monofilament yarns, and primary and secondary weft monofilament yarns located between and adjacent to the primary weft yarns. The secondary weft yarns are located beneath, and in contact with, the primary warp. The dimensions of the secondary weft yarns are selected to control finished fabric air permeability arid increase the paper side surface contact area. The lower caliper fabrics provide increased cross direction stiffness at lower yarn counts. Formation of pintle receiving loop yarns in a low marking woven back pin seam, or of a streamline seam, is also facilitated, without compromising fabric properties, by selection of appropriate dimensions of the secondary weft yarns. The primary warp yarns and the primary weft yarns are either round or flattened, in any weave pattern providing floats of the primary warp yarns extending over two or more adjacent primary weft.

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