Patent ID: 6139025
Filing Date: 2000-10-31
Classification: F16J

Abstract:
A metal laminate gasket for an internal combustion engine, said engine having a sealing hole to be sealed and a plurality of bolt holes situated around the sealing hole, comprising:a first metal plate including a base portion extending throughout an entire area of the gasket, first and second holes formed in the base portion and communicating with the sealing hole and bolt holes of the engine, respectively, a curved portion extending from the base portion to define the first hole, and a flange extending from the curved portion and disposed under the base portion, said flange having a plurality of wide flange portions and narrow flange portions alternately arranged to each other such that the wide flange portions are located near the second holes to support high tightening pressures applied thereto;a second metal plate situated under the base portion, said second metal plate having third and fourth holes communicating with the sealing hole and the bolt holes of the engine, respectively, and a first bead formed around the third hole and disposed between the base portion and the flange; anda third metal plate situated between the base portion of the first metal plate and the second metal plate and located laterally outside the flange.