Process for the manufacture of a coated tie rod for a doorstop device for vehicles.

摘要

Process for manufacturing a coated tie rod (16) for a device doorstop (10) for vehicles, wherein said strut (16) has a pivot hole (38) at a first end (16a) and a pair of rolling surfaces (20, 22) designed to cooperate with a pair of rollers (26, 28), said method comprising the steps of positioning a metal core (34) in a molding apparatus (44), and injecting plastic material a support mold (50) surrounding the metal core (34) being provided positioning means (60) cooperating with an appendix (40) formed at a second end (16b) of the metal core (34), protruding said Appendix (40) outwardly of said mold carrier (50), the method being characterized in that the metal core (34) is arranged relative to the support molding (50) further using positioning means (52, 54) cooperating with an orifice metal core ico (34), forming elorificio the end joint (38) during molding by coating the inner wall of said hole with plastic material, and the coating being interrupted in the areas where other means are present positioning (52, 54).