Patent ID: 7142433

Claim:
A method of embedding at least one flexible conductive track foil in a plastics material, said method comprising the steps of: providing at least one flexible conductive track foil which by itself is not adapted for being embedded in plastics material by injection molding, providing a separate, prefabricated stiffening element, separating supporting said at least one flexible conductive track foil by said stiffening element to resist displacement and bending of said foil, placing said at least one flexible conductive track foil supported by the separate prefabricated stiffening element in an injection mold, and injection molding plastics material around said at least one flexible conductive track foil and said stiffening element, in the injection mold, and wherein said at least one flexible conductive track foil is prevented by said stiffening element from undergoing displacement and bending in the injection mold during the injection molding of the plastics material.