Opening means for a packaging means of flexible material
AssigneeTetra Pack Developpement S.A.
InventorWilhelm Reil
Life of this patent
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Abstract
An approximately U-shaped slot is provided in the side wall adjacent the edge line, to form a pouring edge which projects from the edge line and which can be pivoted forwardly into the plane of the upper end wall, wherein the pouring opening and the slot are provided with a plastics sealing means from the inside of the package, the free ends of the U-shaped slot are arranged to extend by a portion into the upper end wall, and the outer cover strip is weld-free almost over the entire pouring edge region.
Claims5
In combination, an opening means, and a package made from flexible material, in particular for liquids, having an upper end wall, means defining a pouring opening in the upper end wall adjacent an edge line, and having an openable cover strip which is provided on the outside of the package, characterized in that an approximately U-shaped slot is provided in a side wall adjacent the edge line, to form a pouring edge which projects from the edge line and which can be pivoted forwardly into the plane of the upper end wall, wherein the pouring opening and the slot are provided with a plastics sealing means from the inside of the package, the free ends (11) of the U-shaped slot (10) are arranged to extend by a portion into the upper end wall (1), and the outer cover strip (7) is weld-free almost over the entire pouring edge region (8).
Dependencies are inferred from the claim text.