| 摘要 |
<p>A radiator cap (10), highly capable of reliable operation, comprises a cover (12), an internal cap (14) snap-fastened inside said cover (12), said internal cap (14) having an opening (16) shut off by a valve body (18) which is closed under stress and constitutes a pressure-relief valve sealed by means of a seat (22) provided with a gasket (24), said valve body (18) being shaped like an inverted cup provided with an inflow opening (26) shut off by a shutter (28) which is closed under stress by elastic means (30) in a single piece with the shutter (28) and constitutes a low-pressure valve. <IMAGE></p> |
