| 摘要 |
The seal includes a resilient member 5 and a deforming means 6, 7 for deforming the resilient member between an operative and inoperative form. The deforming means 6, 7 comprises wedge shaped profile adjacent respective faces of corresponding shape of the resilient member. The seal may be used to seal the annular region between two concentric pipes, e.g. of an underwater pipe within an outer shell pipe containing insulation. |
