Japan Metal Gasket Co., Ltd.

Jun Okano

Kosaku Ueta

A metallic gasket capable of providing a sufficient sealing capability all around a combustion chamber hole and avoiding such problems that the step of a cylinder block supporting the lower end part of a cast-iron sleeve is damaged by the thermal expansion of the sleeve during the operation, the roundness of a bore is impaired, the cast-iron sleeve is sunk, and a pressure leaks between the fastening bolts, wherein the end part of a shim plate ( ) on a combustion chamber hole ( ) side is disposed on the upper end surface of the cast-iron sleeve ( ) radially outside the outer peripheral position (OL ), the end part of the shim plate ( ) more distant from the combustion chamber hole ( ) is disposed on the combustion chamber hole ( ) side from an outside line (OL ) of the water jacket ( ) formed in the cylinder block ( ), and a part of a full bead ( ) is disposed on the upper end surface of the cast-iron sleeve ( ).

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Fukiage-machi, Japan

Jun Okano