NEW INTERMEDIATE MATERIAL INTENDED FOR REDUCTION OF MICRO-CRACKING OF COMPOSITE ARTICLES Russian patent published in 2013 - IPC D04H3/10

Abstract RU 2496932 C2

FIELD: textiles, paper.

SUBSTANCE: invention relates in particular to an intermediate product intended to obtain a composite article in combination with a resin matrix, consisting of at least two unidirectional layers of reinforcing fibers, and the fibers of each of the two layers are in different directions, where the layers are connected with each other by crosslinking or knitting by at least one sewing or knitting yarn.

EFFECT: said sewing or knitting yarn has a titer which is determined according to the standard EN ISO 2060, less than or equal to 30 dtex, preferably less than or equal to 25 dtex.

18 cl, 12 dwg

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RU 2 496 932 C2

Authors

Bero Zhan-Mark

Anra Patrik

Dates

2013-10-27—Published

2009-12-08—Filed