Patent ID: 7946438
Filing Date: 2011-05-24
Classification: B65D

Abstract:
1. A closing device for a closure lid made of sheet metal suitable for opening by twisting, comprising (a) a lid panel; (b) a skirt portion on an edge of the lid panel; (c) a seal extending from a circumferential section of the lid panel into the skirt portion; (d) the closing device having a non-metallic safety ring comprising two circumferentially extending sections, configured as (i) a safety section with a strip section, shaped to project radially inwards and axially upwards; (ii) a connecting section for attaching the safety section on an axially lower end of the skirt portion; (e) the skirt portion having (i) a lower end rolled up from radial outside to radial inside by more than 180° to form a roll-up portion; and (ii) the roll-up portion is at least partly clasped or is claspable by the connecting section from an inner side of the skirt portion.