| 摘要 |
<p>A valve gasket (30) includes a main body portion formed of an elastomeric material having a high hardness durometer. The main body portion has recesses (62 and 64) located on opposite sides and at least one opening (66) through the body connecting the recesses (62 and 64). The opposed recesses (62 and 64) and the opening (66) are filled with elastomeric material having a hardness of a lesser durometer, softer than that of the main body portion.</p> |
