CLOSURE FOR TANK Russian patent published in 2015 - IPC B65D51/22 B65D51/18 

FIELD: transport; packaging.

SUBSTANCE: invention relates to the tank closure (1), in particular for tank with liquid food product. The closure (1) includes drain nozzle (2) with neck (5) and overlaying area (6) covering the specified neck (5), cap (4) rotating for installation on the drain nozzle (2) and for removal from it, cam devices (16, 17) for the cap (4) disconnection from the drain nozzle (2), slacken line (9) at specified end (8) of the neck (5), first devices (25) facilitating opening and located at the overlaying area (6), and secondary devices (26) facilitating opening and located on the cap (4) for engagement of the first devices (25) facilitating opening during the cap (4) removal from the drain nozzle (2) to disconnect the overlaying area (6) and neck (5) along the slacken line (9). The first and second devices (25, 26) facilitating opening include at least one additional cam element (30) located on the overlaying area (6) and formed to increase lifting force of the cap (4) on the overlaying area (6) during the cap (4) removal from the drain nozzle (2).

EFFECT: improved design.

16 cl, 11 dwg