UA90846U - Closure device with indication of first opening - Google Patents

Abstract

A closure device with indication of first opening comprises a metal sleeve, in which there are installed: a filling element with a plate seal, a sealing member, elements of axial and angular locking on a bottle neck and a lid, on the inner lateral surface of which a thread is made interacting with the thread on outer surface of the filling element, and on the inner end surface a sealing tab is formed, which interacts with a plate seal in the upper part of filling member, on the metal sleeve an area of weakened section is made, which has upper and lower tangent edges, above and below the area with weakened section the metal sleeve is connected to the lid and filling element respectively, the lid edge is located between the area of weakened section and the junction of the filling element with the metal sleeve. The seal plate is located in the upper part of the filling element and is connected to the filling element by a retainer ring. The sealing element has the shape of a hollow cone and is formed integrally with a filling element. Elements of axial and angular locking are arranged on the inner surface of the lower part of the filling element in the form of an elastic corrugation.