Reinforcement laminate
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorJoseph S. Wycech
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Abstract
A tri-laminate body panel stiffener includes two polymer layers with or without a backing. One of the layers is a compliant foam layer mounted against a substrate while the other layer is a rigid foam layer mounted against the compliant foam layer. In another aspect of the invention the laminate comprises a backing member having an expandable foam mounted thereto with two or more opposing edges of the laminate being of non-straight construction such as being wavy or saw tooth. A pattern of holes may be formed through the foam and backing layers.
Claims33
A reinforcement laminate for reinforcing a substrate comprising a carrier layer, a layer of rigid reinforcement foam secured to said carrier layer, a layer of complaint foam secured to said rigid foam, said layer of compliant foam comprising a bonding layer for securing said laminate to a substrate, said rigid foam layer and said complaint foam layer being heat curable, said compliant foam layer comprising means for absorbing shrinkage strains due to heat cure of said foam layer and cooling of the substrate, and including a pattern of holes creating open passageways completely through said laminate.
A reinforcement laminate for reinforcing a substrate comprising a carrier layer, an expandable foam layer intimately bonded to said carrier layer to form a reinforcing unit, said reinforcing unit in its elevation view having a pair of longitudinal side edges interconnected by a pair of transverse end edges, at least one of said pair of side edges and end edges being non-straight and undulated, and including a pattern of holes creating open passageways completely through said laminate.
A reinforced structure comprising a carrier layer, a layer of rigid reinforcement foam secured directly to said carrier layer, a layer of compliant foam secured directly to said rigid foam, said layer of compliant foam comprising a bonding layer for securing said laminate to a substrate, said rigid foam layer and said compliant foam layer being heat curable, said compliant foam layer comprising means for absorbing shrinkage strains due to heat cure of said foam layer and cooling of said substrate, said substrate being a vehicle door, said compliant foam layer being mounted to said vehicle door, and including a pattern of holes creating open passageways completely through said laminate.
Dependencies are inferred from the claim text.