CLOSURE DEVICE FOR CONTAINER Russian patent published in 2024 - IPC B65D41/32 B65D55/08 

FIELD: packing and storage.

SUBSTANCE: invention relates to threaded closure caps for closing containers with threaded neck. Preferably, these are bottles for aperitifs, liqueurs, vodka and spirits, which are consumed gradually, which requires provision of possibility to close and reopen this bottle and possibly repeatedly. Closure device for container is made with possibility of installation on rim of container and comprises cylindrical sleeve from transparent material with means of fixation on rim in form of thread, a sealing element installed inside the cylindrical sleeve, and an indicator element made in the form of a ring placed between the cylindrical sleeve and the rim of the container. Indicator element comprises an upper part of the ring and a lower part of the ring, connected to each other by a weakened joint with the possibility of its destruction after the first opening. Lower part comprises thrust ledges interacting with the rim of the container and providing disconnection of the lower part of the ring, wherein the lower part of the ring is movable in the axial direction to form a visible interval between the upper and lower parts of the ring at the first opening of the container.

EFFECT: improvement of the means of visual indication of opening and protection against unauthorized opening of closure devices with a transparent outer casing.

6 cl, 5 dwg