| 摘要 |
A closing device with indication of the first opening comprises a cylindrical cap divided into two contiguous parts - the upper and lower parts, the cap covers a screw cover and is connected with it by a mechanical fit or in adhesive manner, the cover comprises on inner end surface a sealing protrusion, a belt on the lower part and a means of indicating the first opening made in the form of at least two moving elements placed on thin flexible legs on the edge of a circle in cuts made in the upper part of cover. The cover by means of thread is connected with a dispenser with elements of fixing on the neck of container and a collar in the upper part. On sealing protrusions of cover a circular fixing bar is located. The movable elements contain a catch and two elastic levers which are perpendicular to the leg and are located in the upper and lower parts of movable elements. |
