摘要 |
FIELD: textiles, paper.SUBSTANCE: woven preform for fiber-reinforced composite material comprises horizontal layers of woven fabric and vertical layers of woven fabric, woven integrally with the horizontal layers. In addition, the vertical layers extend in the form of structural elements between the horizontal layers, and the horizontal layers and vertical layers form the through cells in the preform.EFFECT: preform has a continuous annular reinforcement in each cell formed by circular weaving of weft fibers.23 cl, 17 dwg |