| 摘要 |
<p>The containers are pressurised and the closure (1) has a filling nozzle (5) with a valve (7) and a flange (10). The flange has a cylindrical portion (11), and a plate-shaped portion (12) which is attached to the container. The filling nozzle may engage with the flange to form a seal by means of a snap connection (14). The closure is either completely open or completely closed, so that the snap connection either retains the filling nozzle tightly, or else releases it in relation to the flange.</p> |
