Patent ID: 6482496
Filing Date: 2002-11-19
Classification: B29C,B62D,E04C,Y10T

Abstract:
A reinforced wall comprising a stiff substrate having an inner surface, a reinforcing laminate bonded to said inner surface, said reinforcing laminate comprising an outer support made of a foil material, an expandable polymer foam material bonded to said foil support and disposed against said inner surface of said substrate, said foam material being bondable to said inner surface upon expansion of said foam material, said laminate having outer edges, said laminate including a stiffening bead formed by said foil support and said foam material located generally centrally of said outer edges, said expandable polymer foam material being a material which upon expansion moves said foil material laterally away from said inner surface with said foil material spaced away from said inner surface, and said expandable foam material before expansion being bonded to and held by said foil material whereby said foil material and said foam material forms a coupled unit before and after expansion.