Patent ID: 6062572
Filing Date: 2000-05-16
Classification: F16J

Abstract:
A metal gasket comprising:at least a sheet of thin metal plate provided with at least one bead, said one bead including a pair of first and second ramp portions extending upwardly from said metal plate and a top portion connected between upper edges of said first and second ramp portions;resistance means attached to said one bead for providing said one bead with a high load resistance when said one bead is being compressed, and also providing said one bead with a selected surface pressure;said resistance means being at least one step member including a coating layer fabricated from a material having a property of high load resistance;said one step member being attached only to said top portion of said one bead to avoid interfering with deflections of said first and second ramp portions of said one bead when said one bead is being compressed; andsaid one step member having a thickness measured outwardly from said top portion of said one bead, said thickness of said one step member being determined by said selected surface pressure which varies proportionally to predetermined thicknesses of said one step member.