Patent ID: 8231019

Claim:
Closure for bottles, particularly for a bottle provided with an opening delimited by the free end of a neck which extends axially from the body of the bottle along a longitudinal axis and which is provided with an outer surface having a thread positioned near the opening and with at least one annular stop on the neck of the bottle, positioned between the thread and the body of the bottle, the said closure comprising an inner cap of plastics material with an end wall transverse to the said longitudinal axis, a tubular skirt connected to the rim of the said end wall and extending axially along the said outer surface of the neck towards the said body of the bottle, the said tubular skirt being provided with an internal thread which engages with the said thread provided on the outer surface of the neck, and an outer cap of sheet metal which covers the said inner cap and which is fixed to the neck of the bottle by fixing means which engage with the said annular stop of the neck, at least one circular weakening line being provided in the said sheet metal outer cap, positioned axially immediately above the said means for fixing the outer cap to the neck of the bottle, the said outer cap having a tubular shape with an upper end in engagement with the end wall of the inner cap and being provided with an annular enlargement extending radially towards the outside of the outer cap and axially over a portion of predetermined length with the formation of an inner annular channel delimited by corresponding axial end stops extending inwardly from the outside of the outer cap and facing the tubular skirt of the inner cap, wherein the said tubular skirt of the inner cap is provided with an annular thickening extending radially and axially, the said thickening being delimited by corresponding axial end stops and being force-fitted into the said channel, whereby the annular enlargement of said outer cap is located adjacent to the bottle neck opening to provide the appearance of an enlarged neck of a wine bottle, wherein the channel extends axially over a distance at least substantially equal to the axial distance which the internal thread of the skirt of the inner cap extends.