TAMPER-EVIDENT CLOSURE Russian patent published in 2017 - IPC B65D49/04 B65D55/02 

FIELD: packaging industry.

SUBSTANCE: invention relates to tamper-evident closure (10) for a container. Closure comprises first portion (25, 30, 37), including inner (25) and outer parts (30), and a second portion (20, 36). Outer part is rotatable relative to inner part from a first position in which at least part of first and second portions are adjacent each other to a second position in which there is a gap (G) therebetween. First portion comprises locking means for irreversibly locking closure in second position upon a first opening so that gap cannot be closed.

EFFECT: inner part includes line (26) of weakness which breaks if outer part is reverse rotated relative to inner part.

17 cl, 8 dwg