Polyamide spiral seam for seamed papermakers' fabrics

Details Polyamide spiral seam for seamed papermakers' fabrics Polyamide spiral seam for seamed papermakers' fabrics

D - Textiles, Paper

21

F

D21F 7/08 (2006.01) D21F 1/00 (2006.01)

Patent

CA 2201280

An on-machine-seamable (OMS~) papermakers' fabric produced by modified endless weaving includes machine- direction (MD) and cross-machine direction (CD) yarns. The MD yarns are plied/twisted yarns, and weave continuously back-and-forth between the two widthwise edges of the fabric, each time forming a seaming loop at one of the two widthwise edges. A seaming spiral, a monofilament spiral preferably extruded from a polyamide resin, is attached to the seaming loops at each of the two widthwise edges. The two seaming spirals are used to join the fabric into endless form with a pin seam. In this manner, the invention provides a further approach to making on-machine-seamable PMC with plied, twisted or plied and twisted yarns.

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