FIELD: textiles, paper.
SUBSTANCE: woven three-dimensional preform, made in one piece, comprising stiffening elements made in at least two directions, created from a textile fabric containing a first, a second and possibly a third layer of fabric. The yarns are interwoven over a part between the first and second fabric layers so that the first fabric layer can be folded relative to the second fabric layer. The additional yarns are interwoven over a part between the second and third fabric layers so that the third fabric layer can be folded relative to the second fabric layer.
EFFECT: when folding the layers of textile fabric the three-dimensional woven preform is formed, made in one piece and comprising stiffening elements formed in at least two directions.
66 cl, 23 dwg
