| 摘要 |
<p>Easy-to-open closing system adapted to bottles, jar or containers made of glass with a glass cover (applicable also to containers made of other materials). The system comprises a collar (1) having a hollow profile wherein is housed a seal (2), a pre-cut of the collar and of the seal is made and a lever forming device (5) is secured to the collar so as to exert a force on the lever in order to brake the collar and the seal included in the collar. The collar (1) placed sideways vertically against the flange of the container (3) and the edge of the cover (4), is tightened in order to obtain a total liquid-tightness and its two extremities are h eld together permanently by an interlocking means.</p> |
