Patent ID: 9581244
Date: 2017-02-28
CPC Classifications: F16J

Claim:
1. A seal bead structure of a gasket comprising: a first through hole; a second through hole; the first through hole and the second through hole being provided side by side with a spaced apart relationship from each other in a flat surface portion of a metal gasket; a first seal bead extending along a peripheral edge of said first through hole; a second seal bead extending along a peripheral edge of said second through hole; and a common bead portion of said first and second seal beads, the common bead portion being provided at an intermediate position between said first and second through holes, wherein said common bead portion has a two-stage half bead shape with two stages of half beads in the same direction, the two-stage half bead shape having a three-stage flat portion configuration including: wherein said planate connection portion is co-planar with said flat surface portion of said metal gasket, and wherein an entirety of the first inclined portion is separated from an entirety of the second inclined portion by the planate connection portion.