| 摘要 |
<p>A sealing lip assembly for surf boards or sail boats, which closes the underwater side of the opening of the centre board case or fin case in a virtually flow-tight and non-vortical manner in every position of the centre board, said sealing lip consisting of a sealing area (a) flexible on the longitudinal axis, an area (b) resilient prependicular to the longitudinal axis, and a mounting portion (c).</p> |
