THREADED CAP FOR CONTAINERS FOR LIQUID Russian patent published in 2014 - IPC B65D41/04 B65D50/04 B65D55/02 

FIELD: packaging industry.

SUBSTANCE: present invention relates to a threaded cap (10) for containers with liquid, comprising a first shell (11) which is provided from inside with thread (12) for screwing on the corresponding complementary thread (13) on the bottle neck (14), and a second shell (15) which surrounds the said first shell (11) and is made with the ability of axial rise from the first shell (11) during the first unscrewing by the separation means, which operates at the first rotation of the second shell (15) relative to the first shell (11). And the means is provided, designed for irreversible locking the said second shell (15) in the raised position relative to the said first shell (11).

EFFECT: cap, made according to the invention, has specifications that are not lower than the similar characteristics of the known caps, at that it does not create annoying movements of ring of opening indication on the bottle neck.

10 cl, 6 dwg