| 摘要 |
<p>An annular seal (1) is described, made of polymeric material for pneumatic and hydraulic applications adapted to be operatively placed into an annular seat (12,35), and having a cross-section shaped as a first rounded part with slanted flanks and equipped, in a second part opposite to the first part, with at least three rounded sealing projections, or lobes (3,5,7).</p> |
