Patent ID: 6644669
Filing Date: 2003-11-11
Classification: F16J

Abstract:
A metal gasket for use in a combustion engine, said gasket including a sealing plate having at least one combustion chamber through-hole, a deformation limiting device positioned adjacent the combustion chamber through-hole, at least one top layer and at least one bottom layer, the improvement comprising:the deformation limiting device being configured as a bead that is generally symmetrical with respect to the top and bottom layers; a protrusion on the sealing plate oriented towards one of the top or bottom layers, said protrusion projecting outward relative to a surface of the sealing plate a predetermined height; a depression formed in the surface of the sealing plate opposite said protrusion and facing the other one of the top or bottom layers, said depression being delimited by two raised portions projecting outward from the surface of the sealing plate a predetermined height; and a filling received in said depression.