An instrument panel top cover with a seamless break-away air bag door made as a unitary composite from multiple layers of plastics by extruding a parison with inner and outer layers of different recyclable plastics having different physical characteristics but which are from the same plastics family. The parison is injected and expanded with low pressure gas and forming dies with door scoring tools are closed thereover. The plastics will resultantly conform to the shaping surfaces of the dies to form the composite while the perimeter of the air bag door ...
[ What is claimed is:] [1.] A unitized soft feel top cover with an integral break away air bag door for finishing an instrument panel of a vehicle for transporting human occupants comprising (1) a support core of at least two relatively distinct thick inner layers of a recyclable first plastic material joined together having sufficient stiffness for support of said cover and having outermost surfaces and (2) a flexible and relatively thin outer layer of a recyclable second plastic material of the same family of materials as said first plastic material so...
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