FIELD: packaging industry.
SUBSTANCE: invention relates to device (20) for closure of vessel (1) equipped with neck (12), comprising plug (21) and cap (24) from plastic material, made with possibility to simultaneously close neck and plug installed in neck. Cap comprises ring (25), enveloping plug and neck in installation configuration and equipped with locking facilities (253) on neck, as well as cover (26). Ring (25) and cover (26) are made in form of single one-piece part and connected by at least one part (27), made with possibility of rupture by force (E1), parallel to ring central axis (X25) and directed towards plug (21). Cover (26) is equipped with element (262) for support on plug (21). Rupture part is formed by bridges (27), extending radially between cover (26) external radial edge (261) and ring (25) internal radial edge (257). Between two adjacent bridges (27) has slot (28) in form of circular arc along cover external radial edge (261) and ring inner radial edge (257).
EFFECT: this slot has radial width (l28) of less than 0,3 mm and axial height (H28) exceeding 0,15 mm.
14 cl, 14 dwg
