SAFETY LID BOTTLE OR OTHER SIMILAR ITEMS Russian patent published in 2004 - IPC

FIELD: equipment for package re-filling prevention, particularly lids for preventing substitution of valuable liquid for counterfeit liquid with the purpose of false representation. SUBSTANCE: lid has lockable annular insert, which may be snap-fit between caps by means of ribs formed on one side thereof. Ribs are inserted into corresponding inner cap slots arranged with angular spacing and rest against inner cap bottom. Opposite tapered rib ends abut bead located above grooves of outer cap. Insert is formed of rigid material, for instance of polycarbonate. EFFECT: increased reliability of mutual caps connection, simplified production technique. 3 cl, 2 dwg