Loop formation in on-machine-seamed press fabrics using unique y

Details Loop formation in on-machine-seamed press fabrics using unique y Loop formation in on-machine-seamed press fabrics using unique y

1992-04-24

1995-02-21

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

139383AA, 139420R, 428 58, 428229, 428234, 428300, 428378, 428375, 428909, B32B 2302, B32B 506, D03D 2300, D03D 1500

Patent

active

053914198

ABSTRACT:
A press fabric for use on papermaking and similar machines is of the open-ended variety, and has loops at each end enabling it to be closed into endless form during installation on the machine by means of a pin seam. The machine-direction (MD) yarns, from which the loops are formed during the flat or endless weaving of the fabric, are composite yarns having a core yarn with a sleeve-like coating. The coating, either permanent, semi-permanent, or soluble, gives the composite yarn a monofilament-like structure enabling good loop formation and stability. The use of multifilament yarn as the core yarn provides a fabric having improved elasticity in the machine direction, and a greater degree of resiliency, following the removal of a soluble coating material, than can be obtained using monofilament yarn.

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