CLOSING ASSEMBLY FOR BOTTLE, ASSOCIATED BOTTLE AND ASSEMBLY METHOD Russian patent published in 2020 - IPC B65D39/00 B65D51/00 A61J1/14 B65D41/62 

FIELD: package and storage.

SUBSTANCE: described is closing assembly for bottle. Said assembly comprises bowl-shaped body to close plug with head and round nut. Said case has sidewall with inner surface including roller and thrust ledge separated by spacing to make bottle seat collar. In order to hold the head of the closing stopper in place, the inner surface of the side wall of the housing has a retaining tooth. Outer surface of the side wall of the housing has an annular cavity, and the side wall of the round nut contains an inner lower ledge made with possibility of engagement of the annular cavity in a pre-assembled configuration. Side wall of housing includes multiple windows. Each window has a tab connected to the lower edge of the window along the rotation line. At the free end of each tab there is a thrust ledge, and each tab is made with possibility of elastic rotation around the turn line.

EFFECT: closing assembly according to the invention is stable when connected to the bottle neck, which minimizes the risk of the unit or its components falling to the ground, and also requires less force during closing.

11 cl, 18 dwg