Cylinder head gasket

DRIVE August 10, 2005
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A cylinder head gasket is provided for an engine with low rigidity and a high maximum pressure. In the cylinder head gasket, it is possible to enhance the secondary sealing without greatly affecting the primary sealing. The cylinder head gasket (1) is formed of a first metal plate (10) with a first full bead (12) under a folded portion (11) around a cylinder bore (2), and a second metal plate (2) with a second full bead (22) around the first full bead (12). The second metal plate (20) is made of a material with elasticity greater than that of the first metal plate (10), and is arranged with a gap (S) relative to an outer edge (11a) of the folded portion (11) so as not to overlap. The first full bead (12) and the second full bead (22) have top portions facing in opposite directions.

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