EASILY OPENABLE BOTTLE CORK Russian patent published in 2015 - IPC B65D41/42 B65D41/34 

FIELD: personal use articles.

SUBSTANCE: crown cork for bottle or another vessel contains a body containing an upper part having a centre, a skirt surrounding the upper part, a skirt having "angels" that end at the lower edge specified in the first horizontal plane, an opening mechanism assemblage consisting of the draw ring of a metal lug and a draw metal lug attached to the crown crock via a clench, the first incision line passing from the upper part centre to the skirt lower edge without rupture in the radial direction and the second incision line. The second incision line includes an upper radial segment, passing in the linear direction from the upper skirt centre along the radial axis, and a ring-shaped segment positioned below and passing circle-wise along the skirt in the ring direction from the upper radial segment ending. The lower ring-shaped segment is specified in the second horizontal plane equidistant from the first horizontal plane jointed with the skirt lower edge.

EFFECT: easy opening with one hand and simultaneously complete closure of the bottle hole with usage of a standard closing machine.

15 cl, 28 dwg, 1 tbl