(57) Element to maintain the gas in drinks (16) contained in bottles (11) or containers
in general, the element being used in cooperation with the opening (13) of the bottle
(11) to limit the escape of gas present in the drinks (16) after the original stopper
has first been removed, the element to maintain the gas consisting of a metallic bar
(12) substantially flat in shape whose transverse dimension ("t") narrows continuously
from the upper end (12a) to the lower end (12b), the transverse dimension ("t") in
correspondence with the lower end (12b) being suitable to be inserted into the opening
(13) of the bottle (11), the metallic bar (12) including at least an operating position
wherein it is clamped by the contact between its own lateral profiles (15a, 15b) and
the perimeter edge (14) of the opening (13) without completely closing the opening
(13) of the bottle (11), in which operating position a terminal segment of the metallic
bar (12) is located inside the bottle (11).
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