| 摘要 |
A closing device for containers with a mouth and a neck includes a threaded dispensing neck, a threaded lower cover for engagement with the threaded dispensing neck mentioned above, the upper lid pressed to the cover mentioned above, which includes the lower lip, the lower internal bushing, which includes an arrangement for pressing to the neck of the container mentioned above, the lower external bushing, which is pressed to the lower internal bushing mentioned above and has the upper lip, an element, which includes a groove, mentioned above upper lip and lower lip, which before primary opening are introduced inside the groove mentioned above. The groove mentioned above is extended in axial direction at least on 1.5 mm. |
