Polyamide spiral seam for seamed papermakers' fabrics

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

1996-06-25

1999-03-02

Falik, Andy

Textiles: weaving

Fabrics

Drier felts

24 33C, 162904, 428222, D03D 304, D03D 1500, F16G 302, D21F 710

Patent

active

058758224

ABSTRACT:
An on-machine-seamable (OMS.RTM.) 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 way, an OMS.RTM. papermakers' fabric, having plied/twisted yarns in the machine direction is provided with monofilament joining means which maintain proper orientation and shape for the ready pin seaming of the fabric on a papermachine.

REFERENCES:
patent: 4381612 (1983-05-01), Shank
patent: 4862926 (1989-09-01), Barrette et al.
patent: 4896702 (1990-01-01), Crook
patent: 5005610 (1991-04-01), Davenport
patent: 5204150 (1993-04-01), Davenport
patent: 5391419 (1995-02-01), Davenport

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