DEVICE FOR INSERTING FILETS ON OR IN A PROFILE DURING MAIN EXTRUSION PROCESS

摘要

The invention relates to a composite extrudate made from an extrudate of a main polymer in the shape of a bar or bead being extruded and at least one secondary extrudate of a secondary polymer, characterised in that the composite extrudate is in the shape of a bar or bead and in that at least one extrudate of a secondary polymer is formed inside the main polymer extrudate in a substantially longitudinal direction, said composite extrudate being extruded horizontally or vertically.