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Abstract

A cover panel for the air bag in an automotive vehicle with an invisible deployment door section defined by pre-weakened tear seam formed on the underside of the instrument panel base substrate during the base substrate molding process. Tear seams are formed into the underside of the base substrate by a continuous partial protrusion element and elongated and spaced apart full protrusion elements extending from a lower surface mold preform to define a continuous void path that extends into a portion of the substrate and a series of spaced apart and elongated voids that extend fully through only the base substrate of the laminated cover panel structure to form pre-weakened bridges of substrate material that is pre-weakened in both thickness and length dimensions along the defined tear path.

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First Claim