Patent ID: 7261933

Claim:
A headliner for an interior compartment of a vehicle, the vehicle having a roof defined by a length and a width, said headliner comprising: a foam core having a length and width dimensioned to substantially cover the length and width of the roof of the vehicle, wherein a portion of said foam core defines a head impact contour formed on a first surface of the foam core, said head impact contour including a series of undulations, wherein said series of undulations manage a load associated with head impact whereby the load is distributed among a plurality of the undulations under a head impact condition, wherein said series of undulations comprise a series of peaks separated by valleys, wherein said series of peaks are adapted to manage the load associated with head impact under a head impact condition, and wherein each of said valleys include a depth, said foam core comprises a material, and said series of undulations are provided on said first surface of said foam core and define a first surface profile, and wherein a sidewall connects each of said peaks and valleys such that two sidewalls envelope each peak, and further wherein said material extends uninterrupted below the envelope of each of said peaks and extends to a depth greater than said depth of any adjacent valley.