| 摘要 |
<p>The invention relates to a closing device of the type comprising a cap (2) fixed to the opening of a conduit (1) leading to the tank and a seal (7) applied under pressure between the cap (2) and a shoulder of said conduit (1), as well as a lever (8) hinged to said cap (2) in order to provide for its locking in a closed position on the lid (2) as well as the compression of said seal (7). According to the invention, at least one slide (14) is mounted substantially radially in the cap (2) and may be displaced longitudinally towards the outside of the cap (2) against the action of elastic means (15), when closing said locking member (8). Application to oil tanks under pressure.</p> |
