| 摘要 |
PROBLEM TO BE SOLVED: To improve the sealing performance of a bead for a metallic cylinder head gasket oiling hole wherein an oiling hole bead and a bolt hole bead are integrally formed. SOLUTION: An oiling hole bead 1 surrounding the oiling hole 3 and the bolt hole 4 of a cylinder head gasket 2 is formed by one bead, a rising angleθ2 in the bolt hole 4 side is set smaller than a rising angleθ1 in the oiling hole 3 side and the width t1 of the top part of the bolt hole 3 side is formed narrower than the width t2 of that of the oiling hole 4.
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