TAB WITH CONVEX AND CONCAVE ELEMENTS Russian patent published in 2015 - IPC B65D17/34 

FIELD: packaging industry.

SUBSTANCE: invention relates to non-detachable tabs of beverage containers. The container comprises an openable part (20) bounded at least in part, by a groove of fragile notch (22) on the surface of the container. The groove of the fragile notch (22) is made with the ability of tearing by lifting the tab (26) by the consumer. The tab (26) comprises a toe (30) separated from the lifting end (32) by the central lug (42). The central lug (42) comprises a part (44) of bending and a sector (46) of the rivet. The sector (46) of the rivet is at least partially surrounded by a first recess (48). The central lug (42) also comprises a part (54) of gripping on the lifting end (32) of the tab (26). The part (54) of gripping comprises a continuous area forming the information surface (58). The information surface (58) has an upper side and a lower side opposite it. On the information surface (58) a convex element (68) is located, formed by material displacement of the part of the central lug (42), located on the information surface (58), and the convex element (68) is a tactile character. At least a part of the information surface (58) is covered by a layer (138) - a pigment carrier.

EFFECT: according to the invention the tab not only enables to perceive the information applied to the touch, but also has a higher strength of the gripping part.

18 cl, 10 dwg