The pultrusion, is a technique widely used in large-scale productions or in series due to the reduced cost for the completion of the production process and for the guarantee of a perfect reproducibility of the workpiece. This process mainly provides a transport, on roller, of reinforcing fibers through more sectors of machining in order to obtain the finished product. The fibers (glass or carbon) are placed in a prefabricated mold the shape of which depends on the production requirements; they are then transported to an impregnation tank where they absorb thermosetting resins. The processing then provides for the channeling of the material inside a steel mold, which will be placed in an oven where the different temperatures to which it will be subjected, it will request the content; at the exit from the oven, the product will be ready to be cut and finished with precision. The impregnation can also be carried out directly inside the mold ensuring a greater solidity of the material of index and a higher speed of solidification. This process makes the finished product comparable to steel for levels of tensile and flexural strength.