TECHNICAL BOTTLE CAP

Claims

A technical cap (1) for bottles (2) for bottle-fermented or sparkling wine; comprising: - a capsule (3) within which a first cavity (4) is defined, the shape of which is substantially cylindrical at least in part, comprising a first lateral surface (5) having a first access opening (6) in fluid communication with a substantially cylindrical chamber (7) of said capsule (3) which can receive an open end (8) of the neck (9) of a bottle (2) and is for hermetically fixing thereto by means of hermetically sealing means (10, 13) of said technical cap (1), wherein the first cavity (4) can also be accessed through a substantially cylindrical access opening (14) made coaxially with the first cavity (4); - a plug (16), which is inserted into the first cavity (4) through the access opening (14) so ​​as to hermetically seal it,where the obturator (16) comprises an operating part (17) comprising a second lateral surface (18), facing the first lateral surface (5) of the first cavity (4), in which a second access opening (19) is made to a second cavity (20) made inside the obturator (16), where the obturator (16) can be rotated inside the first cavity (4), around a central axis (15) of the first cavity (4), between a collection position, in which the second access opening (19) faces the first access opening (6), and a storage position in which the second access opening (19) faces a first closed region (21) of the first lateral surface (5) of the first cavity (4), so that it is hermetically sealed by it, and a second closed region (22) of the second lateral surface (18) faces the first access opening (6), so that it hermetically seals it.