Patent ID: 6536776
Filing Date: 2003-03-25
Classification: F16J

Abstract:
A metal laminate gasket for an internal combustion engine having a hole to be sealed, comprising:a first metal plate extending substantially throughout an entire area to be sealed and having a first hole corresponding to the hole of the engine and an opening inside thereof, a bore ring disposed under the first metal plate, said bore ring having a second hole corresponding to the first hole and at least two first engaging members formed around an outer periphery thereof with a predetermined distance away from each other, and a second metal plate disposed under the first metal plate, said second metal plate including a third hole having a size for receiving the outer periphery of the bore ring, and at least two second engaging members formed around an inner periphery thereof to engage the at least two first engaging members, said first and second engaging members being arranged such that the bore ring can be positioned and retained in the second metal plate in only one position even if the bore ring is positioned upside down and one set of said first and second engaging members being located under the opening of the first metal plate so that an engagement of the one set of the first and second engaging members is seen through the opening.