Article: Three-dimensional reinforcements.

A linked multilayer fabric designed for use as a composite reinforcement has been proposed by two French organizations.

In US Patent 5 899 241, the Societe Nationale D'Etude et de Construction de Moteurs D'Aviation (Snecma) of Paris and the Societe Coton Textiles pour Materiaux Innovants (CTMI) of La Sone disclose a construction based on the use of 28 weft yarns. These weft yarns are arranged as eight columns containing alternately four superimposed yarns and three superimposed yarns in a staggered arrangement on seven levels.

At the same time, 12 warp yarns are arranged in four parallel layers each containing three superimposed warp yarns. A feature of ...

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