Patent ID: 8940378
Filing Date: 2015-01-27
Classification: B29C,D04C,D10B,Y10T

Abstract:
1. Method of manufacturing a hollow fiber-reinforced structural member for air vehicles, comprising: providing a mandrel, providing a first circumferential braiding layer formed by braiding fibers around the mandrel, positioning a flat strengthening body comprising at least one fabric layer having warp fibers and woof fibers against only a part of a surface of the first braiding layer, providing a second braiding layer formed by braiding fibers around the first braiding layer and the strengthening body, positioning the mandrel and a combination of the first braiding layer, the strengthening body and the second braiding layer in a mold which completely surrounds the mandrel and the combination, impregnating the combination with resin, by injecting the flat strengthening body and the first braiding layer and the second braiding layer in the mold with the resin and removing the combination as impregnated with the resin from the mold.