CLOSURE Russian patent published in 2009 - IPC B65D49/00 B65D41/34 

FIELD: package.

SUBSTANCE: invention is related to containers and packaging, in particular to closures with indication of opening, preferably for bottles with elite alcohol drinks. Closure comprises jacket that consists of two contact parts, from upper part - cap and lower part - cartridge, plastic bush with internal thread, splitter having internal cavity and drain hole, arranged with internal thread, which interacts with internal thread of plastic bush. Plastic bush is arranged with external thread and annular stop, and is installed between cap and splitter. Cap comprises annular stop, interacting with annular stop of plastic bush at axial displacement. Sealing bush comprises flexible lamels and annular seal installed in its internal cavity with tight mechanical fit. Plastic bush comprises at least two bending elements and at least two bent elements that interact among each other in process of closure assembly, besides plastic bush and splitter are equipped with responsive connection elements arranged in the form of geared coupling.

EFFECT: invention has simple and reliable design of closure with facilities of opening indication.

9 cl, 6 dwg