A method of manufacturing reinforced stiffener

A method for manufacturing a composite stiffener (20), comprising: forming a pair of composite channels (22, 24) each having a wing and a part of the radio, tape using composite fiber; placing a layer of woven composite fiber (48a, 48b) on the part of radio channels each delos; forming a base (28) using tape composite fiber; placing a layer of woven fiber composite material (48) over at least a part of the base, placing a layer of adhesive (46) around a filling (36); assembling the channels and the base; placing the filler and the adhesive layer in the area of ​​radius filler (37) between the parts of the radiosde channels and the base; and curing the assembly.