Patent ID: 9126386
Filing Date: 2015-09-08
Classification: B29C,B32B,Y10T

Abstract:
1. A process for producing a composite element comprising a core comprising a foam or a porous material, a first foil, a second foil comprising a thermoplastic, the second foil being different from the first foil, and an adhesive between the first foil and the second foil, the process comprising: sheathing the core with the first foil; evacuating the core to obtain airtight sealing of the first foil; placing the obtained sealed, coated core in a chamber with the second foil with separation between the second foil and the sealed, coated core; applying an adhesive to at least one of the sealed, coated core and the second foil; evacuating air from the chamber; heating the second foil; pressing the second foil on to a surface of the sealed, coated core; and removing the obtained composite element from the chamber.