| 摘要 |
PROBLEM TO BE SOLVED: To improve follow-up performance to the cryogenic change of a secondary seal part while satisfactorily uniformizing bearing pressure in a primary seal part and to reduce the manufacturing cost. SOLUTION: This cylinder head gasket 1 is provided with a first plate 2 having a combustion chamber hole 4; a second plate 3 attached to the first plate and having a combustion chamber hole 5; a first full bead part 7 formed at the first plate; a first half bead part 8 formed on the inside of the first full bead part; and an elastic member 13 disposed between both plates on the inside of the first half bead part. A primary seal surrounding the combustion chamber hole is formed on the extension line of the elastic member 13, and a secondary seal part is formed on the extension line of the first full bead part.
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