Patent ID: 6736405
Filing Date: 2004-05-18
Classification: F16J

Abstract:
A flat gasket for a reciprocating engine or a driven machine having a cylinder head, comprising: at least a first laminated metal sheet (1) and a second laminated metal sheet (4) both 0.05 to 0.5 mm thick, both provided with a coating of an elastomer film at least on a side facing outward and both having an edge area, said edge area formed by at least one of an outer contour of the cylinder head, a cylinder bore or a water or oil passage in the cylinder head, said edge area adjacent to at least one peripheral first bead (3) of the first metal sheet (1), the second metal sheet (4) bridging the first bead (3),wherein the two metal sheets (1, 4) are permanently joined together by connections on both sides of the first bead (3), and wherein the second metal sheet (4) is subject to a tensile stress between the connections on both sides of the first bead (3).