| 摘要 |
PROBLEM TO BE SOLVED: To improve the sealing performance of a bead for a metallic cylinder head gasket oiling hole wherein the oil hole bead and a beat for a bolt hole are formed integrally. SOLUTION: A bead 1 for an oiling hole 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, the width t1 of the top part of the bolt hole 3 side is set narrower than the width t2 of that of the oiling hole 4 side and a bent line 10 is formed on the beat top part.
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