Patent ID: 6478307
Filing Date: 2002-11-12
Classification: F16J

Abstract:
A metal gasket which comprises (i) an elastic metal plate having a base and folded-back portions each of which is formed so as to create a clearance together with the base and disposed so as to extend around a bore hole and (ii) a metal plate thicker than the elastic metal plate,wherein the elastic metal plate and the metal plate are laminated such that the folded-back portions of the elastic metal plate face the metal plate and said metal plate has a stepped-down portion located at a position close to each bore hole, and defining respective recesses into the metal plate, and each folded-back portion of the elastic metal plate is so disposed as to be received by the respective recess and to face each stepped-down portion of the metal plate, wherein each stepped-down portion has a thickness less than a remainder of the metal plate.