WOVEN FIBROUS STRUCTURE FOR MOLDING CASE BILLET Russian patent published in 2022 - IPC D03D1/00 

FIELD: molding.

SUBSTANCE: invention relates to fibrous structure (100) having a shape of a strip passing in longitudinal direction (X) for certain length (L₁₀₀) between near part (110) and far part (120) and in lateral direction (Y) for certain length (l₁₀₀) between first side edge (101) and second side edge (102), while the fibrous structure has three-dimensional or multilayered interweaving between a set of warp threads or strands passing in the longitudinal direction and a set of weft threads or strands passing in the lateral direction. According to the invention, first section (P1) of the fibrous structure located between near part (110) and intermediate part of the fibrous structure contains weft threads or strands made of carbon fibers, wherein second section (P2) of the fibrous structure located between the intermediate part and the far part contains weft threads or strands made of fiberglass.

EFFECT: obtaining the fibrous structure for molding a case billet.

10 cl, 10 dwg