| 摘要 |
<p>A spout and cap element (1) for tanks (1) comprising a substantially tubular body (2) designed to be stably engaged in a corresponding opening in the installation tank. The substantially tubular body (2) is provided with a substantially longitudinal through hole (3) provided with a movable closing flap (4), associated with respective elastic means. The substantially tubular body (2) comprises an end plate (5) that is substantially coplanar with the end rim of the tubular body (2), at the part thereof that is exposed to the exterior when the body (2) is installed in the tank. The through hole (3) is also provided in the end plate (5), substantially at the corresponding central axis of symmetry. Engaged along at least one portion of the hole is the movable flap (4), forced into the configuration of blocking the hole (3) by the elastic means.</p> |
