Heating mat for vehicle seat locates electrical heating wire in central plane of injection-molded thermoplastic mat

摘要

The electrical heating element is located approximately in the central plane of the thermoplastic mat (1), which is formed as an injection molding. An Independent claim is included for the method of manufacture in which the heating wire is laid inside the molding chamber of the opened injection mold. After mold closure, a thermoplastic elastomer is injected around it. Preferred features: The heating element is a heating wire (2) which snakes or meanders in the central plane. The plastic is a thermoplastic elastomer.