| 摘要 |
<p>A resilient seal, for engagement between two surfaces, comprising an annular sealing portion of resilient sheet metal and having a transverse cross-section of channel shape, the base of the channel having a depression in its surface external to the channel and extending throughout the circular length of the seal, the seal also comprising a wire ring shrunk on the sealing portion and located in the depression in the base of the channel to urge the base of the channel inwardly and to cause the sides of the channel to be pressed laterally-outwardly of the channel into sealing engagement with the sealing surfaces.</p> |
