Patent ID: 7905211

Claim:
A cylinder head gasket for sealing between a cylinder block and a cylinder head of an open deck engine, comprising: a first metal plate having a base portion, a curved portion extending from the base portion for defining a cylinder bore of the engine, and a folded portion extending from the curved portion and located under the base portion; a second metal plate having an inner portion disposed on the folded portion, an outer portion outside the folded portion, and a first half bead provided between the inner and outer portions and extending radially outwardly relative to the cylinder bore in a direction away from the base portion; an annular bead plate provided on the inner portion of the second metal plate, and having a first full bead projecting toward the base portion; an intermediate plate provided between the outer portion of the second metal plate and the base portion of the first metal plate, said intermediate plate having an inner end portion disposed on the outer portion, and a second half bead extending from the inner end portion toward the base portion of the first metal plate, and a third metal plate laminated on the base portion of the first metal plate, the third metal plate having a third full bead located above the first full bead, and a third half bead located above the second half bead.