Patent ID: 6276915
Filing Date: 2001-08-21
Classification: B29C,B29L

Abstract:
A plant for implementing a process for manufacturing a plastic composite profile having an outer layer or skin made of a first material and at least one inner layer made of a second material suitable for adhering to the skin, wherein the layers are coextruded, said plant comprising:a first extruder for the first material and a second extruder for the second material;a coextrusion unit connected to output ends of the first and second extruders that extrudes, as output, a cylindrical bead of solid section, having the outer layer made of the first material and the inner layer made of the second material; andan extrusion head located downstream of the unit for gradually changing said cylindrical bead of solid section to the plastic composite profile such that the plastic composite profile has a generally prismatic shape of polygonal section with convex and/or concave parts.