| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rubber gasket for a separator of a fuel cell for not excessively increasing reactive force even at a high compression rate and assuring an excellent sealing property even at a low compression rate. <P>SOLUTION: The rubber gasket to be disposed in a compressed state between separators of the fuel cell, which comprises a sealing portion having a sectional shape of a two-projection structure comprising a first projection having a curved slope of a curvature radius D, a second projection provided on a top of the first projection and having a curvature radius H, and a pedestal portion that extends in a horizontal direction with a predetermined thickness continuously from a foot portion of the curved slope of the first projection and has a flat bottom surface. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
