Patent ID: 8448837
Filing Date: 2013-05-28
Classification: B22F,C22C,Y10T

Abstract:
1. A method for manufacturing a one-piece annular metal part incorporating at least one reinforcing insert made from at least one metal-coated fiber of composite material, comprising: forming a blank of said part by superimposing, around a rotating cylindrical mandrel, layers of metal wire and layers of coated fiber, said layers of coated composite fiber being arranged in the blank according to the positioning of said insert in the part; placing the blank in a receiving tool; applying a hot isostatic pressing treatment to the blank; and extracting the treated blank from the receiving tool and, as required, machining the treated blank to obtain said one-piece annular metal part having a reinforcing insert, wherein two transverse flanges are arranged on said cylindrical mandrel, spaced in parallel to one another and between which the windings forming the layers of joined turns of metal wire are mounted.