| 摘要 |
A gasket for high pressure, high temperature apparatus is disclosed which is of a generally frusto-conical shape. The smaller diameter portion of the gasket is made primarily from low friction material and the larger diameter portion of the gasket is made from a mixture of high friction material and low friction material, the low friction material being the major portion. The gasket may be made as two parts and joined or not joined together or by double filling a mold and pressing as a single unit.
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