PROCEDE POUR FABRIQUER UN JOINT D'ETANCHEITE, EN PARTICULIER UNE COULISSE POUR VITRAGE DE VEHICULE A MOTEUR, ET JOINT AINSI FABRIQUE

摘要

The invention relates to a method of manufacturing a sealing gasket, in particular a hidden frame type window run for a motor vehicle, the method consisting in placing in the gasket that is made from thermoplastic materials, at least one anti-shrinkage element that is placed in a position that is determined so as to obtain automatically and naturally a gasket that is curved after it has been extruded and has cooled down, and the method further consisting in acting on the shrinkage ability of the materials constituting the gasket in order to obtain varying amounts of curvature.