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Nonwoven Fabrics

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*3/26/2013
from 4/19/2012

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Nonwoven Fabric Applications

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Notes

1. “Nonwoven fabric is a fabric-like material made from long fibres, bonded together by chemical, mechanical, heat or solvent treatment. The term is used in the textile manufacturing industry to denote fabrics, such as felt, which are neither woven nor knitted. Nonwoven materials typically lack strength unless densified or reinforced by a backing. In recent years, nonwovens have become an alternative to polyurethane foam.”

(Wikipedia, Nonwoven Fabrics, 4/19/2012)

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2. “When producing a non-woven web of synthetic fibers, a plurality of extruded fiber strands have to be deposited as evenly as possible to form a textile fabric. The fiber strands are drawn off using a feed fluid, more or less after the extrusion and cool-down processes, and are guided to a deposit belt. The distribution of the fibers on the deposit belt is preferably desired to be such that the non-woven web formed therefrom has uniform strength both in the machine direction (MD) and in the cross direction (CD). For controlling the deposition of the fibers, it is known to insert guidance elements in the region of a guidance distance, which can be adjusted between the draw-off nozzle and the deposit belt. Guidance elements of this type influence the guidance of the fibers up to their deposition on the surface of the deposit belt.” [Maas, Rave and Harris, US Patent 8,231,370 (7/31/2012)]

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Roger D. Corneliussen
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Copyright 2012 by Roger D. Corneliussen.
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* Date of latest addition; date of first entry is 4/19/2012.

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