Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Patent
1994-02-04
1995-03-14
Crowder, Clifford D.
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
28104, D04H 502
Patent
active
053966899
ABSTRACT:
A process for obtaining a multilayer composite textile structure containing nonwoven fibrous sheets (2, 3) between which is incorporated a reinforcing structure consisting of continuous yarns or filaments (5), the various constituents being bonded together by mutual entanglement of the fibers of the sheets. According to the invention, two nonwoven sheets (2, 3) are produced in which the elementary fibers are arranged preferentially in the length direction. Between these two sheets (2, 3) there is incorporated a sheet (4) of weft yarns (5) which are arranged transversely, at a distance from each other. The sheet (4) of weft yarns is produced immediately upstream of the line of junction (6) between the two nonwoven sheets (2, 3), and downstream of this zone of junction (6) the composite formed is subjected to the action of a mechanical treatment which makes it possible to implant the fibers of one sheet (2) within the other sheet (3) (and optionally vice versa). The homogeneous composite is then reeled up.
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Crowder Clifford D.
Perfojet SA
Vanatta Amy B.
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