| 摘要 |
FIELD: packaging industry.SUBSTANCE: invention relates to composite covers and repeatedly closable containers in which these covers are used. In the general embodiment of the invention, the composite cover comprises a flexible protective cover comprising a flexible layer, a metal layer, a layer-sealant and a recessed part, in which the flexible layer is below the layer-sealant, the first adhesive layer attaching the flexible layer to the metal layer, the second adhesive layer attaching the layer-sealant to the metal layer, and the second adhesive layer forms the weaker adhesive bond than the first adhesive layer, and a coupling ring attached permanently to the flexible protective cover. At least the flexible layer or the metal layer can be attached to the tab for opening the container.EFFECT: composite cover made according to the invention, is removed from the container in one step, and it can be easily used for repeated sufficiently leakproof closing the container.7 cl, 3 dwg |
