Patent ID: 8079442
Filing Date: 2011-12-20
Classification: B60R,B62D

Abstract:
1. A heat expandable baffle for sealing an automotive cavity formed by interconnected walls, the baffle comprising: a) a carrier plate having a linear length, an outer perimeter defining a mean plane limited by the outer perimeter and a strand of a heat expandable material laid along a major part of the outer perimeter, said strand circumscribing a central section of the carrier plate, said central section not being covered by the heat expandable material; wherein the central section of the carrier plate has a convex upper surface and a concave lower surface and extends out of the mean plane such that a point on the central section that is furthest from the mean plane lies at a distance from the mean plane which is at least 5% of a maximum of said linear length of the carrier plate; and b) optionally, one or more fasteners which may penetrate a wall of the cavity for fixing the baffle.