| 摘要 |
Disclosed is a closing device with indication of the first opening. The invention relates to the apparatus for hermetic closure of liquids in containers having a neck, in particular, multiple-action closures protected against unauthorized opening by indicating the first opening, and can be used in food and alcohol industry. Essence of the invention: a closing device with indication of the first opening comprises a cylindrical cap divided into two contiguous parts - upper and lower, the cap envelops a threaded lid and is connected thereto by means of mechanical fit or adhesively, the lid comprises on inner end surface a sealing lug with an annular locking fillet, a belt at the bottom, and a means for indication of the first opening, which is made from at least two moving elements placed on thin flexible legs on the edges of the circle in cuts made in the upper part of the lid, in the case the lid is connected by a thread to a dispenser with elements for fastening on the neck of container and shoulder in the upper part, mobile elements include a lock and two elastic levers perpendicular to the leg. Technical effect consists in improvement of design of the closing device to prevent its possible re-use after first opening that will increase its reliability. |
