an apparatus for the manufacture of sections of thermoplastic resin reinforced with continuous fibers . the apparatus includes coating rovings , having their fibers previously arranged in the form of a sheet by passage through a baffle zone having at least one transverse baffle , in a coating zone fed with a molten thermoplastic , then , to ensure impregnation of each of the fibers of the rovings , the coated rovings are passed into a forced impregnation zone having at least two baffles parallel to the baffle in the baffle zone prior to passing into the channel for shaping the final product .