Patent ID: 6997463
Filing Date: 2006-02-14
Classification: F16J

Abstract:
1. A cylinder head gasket comprising: at least one metal plate having a plurality of cylinder bores, and at least one intermediate portion located between two adjacent cylinder bores, and beads formed in the metal plate around the respective cylinder bores, each of said beads being formed independently around the respective cylinder bores and having a wave shape portion formed in only the intermediate portion between the two adjacent cylinder bores, and a smooth bead portion extending from the wave shape portion and formed around the cylinder bore except for the wave shape portion, said wave shape portion extending in lateral direction and having head portions changing extending directions of the bead and facing the adjacent cylinder bores, wherein said wave shape portions of the beads are arranged symmetrically relative to a center line extending through the intermediate portion so that the head portions of the beads face each other.