VALVULAR CLOSURE ELEMENT, CLOSURE CAP COMPRISING VALVULAR CLOSURE ELEMENT AND METHOD AND APPARATUS FOR MANUFACTURING VALVULAR CLOSURE ELEMENT Russian patent published in 2018 - IPC B65D47/20 

FIELD: technological processes.

SUBSTANCE: invention relates to a valve closure member (5), in particular for dispensing liquid from container, wherein said valve closure member (5) comprises a support member (10) having an annular shape, and valve insert (12) having side wall and lid portion made of elastic material and supported by side wall on inner surface of the support member (10), wherein said lid portion (17) is provided with slots (14) defining valve flaps (15), wherein each valve flap (15) has an adjoining periphery connected to the side wall. In the valvular closure element (5) according to the invention the side wall has a cylindrical shape, and the slits (14) are formed radially, and a projection (18) is formed on the external periphery of the support element (10) for each valve flap (15) at the middle of the adjoining periphery corresponding to the respective valve flap (15). Invention is, furthermore, relates to a closure cap comprising the valvular closure element (5) and a method and apparatus for manufacturing valvular closure element (5).

EFFECT: valve closure member is provided, a closure cap comprising valvular closure element, and a method and apparatus for manufacturing valvular closure element.

26 cl, 65 dwg