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| A metallic gasket including: an elastic metal base plate having a circular bead surrounding a combustion chamber hole, and a compensating portion provided on the inner edge part of the base plate so as to directly surround this hole. The spring constant of the bead increases as the distance from the fastening bolts increases to allow uniform sealing pressure. The thickness of the compensating portion gradually increases as the distance from the fastening bolt increases. |
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CHO standard seal designs |
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