| 摘要 |
<p>Cover (1) adapted to be opened/closed in order to cover and open, respectively, an inspection opening (6) in a protective structure (2} adapted for protecting an installation under the sea surface against mechanical impacts. The cover is along one edge provided with an outwardly protruding lug (12) and/or at least one inwardly directed recess (13), and the side edges of the inspection opening (6) are made with a complementary shape. Thus, the cover edge and the edge of the cover opening fit together in a complementing manner. The invention also relates to a method of manufacturing such a cover so that it fits the cover opening.</p> |
