Patent ID: 8453859

Claim:
A tamper-evident bottle closure complying with the regulations of the Jewish Sabbath, comprising: (a) a ring element affixable to a bottle neck having an annular locking bead and an annular flange located below said bead and extending radially outwardly from said bottle neck; and (b) a cap unit manufactured separately from said ring element and which is coupled with said ring element externally to a bottle, wherein said ring element of a coupled closure is affixable to said bottle neck prior to a first time opening of the bottle to retain a contained product in a confirmed sealed condition, yet said cap unit is irreversibly separable from said ring element when unscrewed for a first time to indicate that the bottle has been opened; wherein a maximum outer diameter of said ring element is greater than an inner diameter of a cap unit bottom surface, wherein an outer sloped wall of said ring element is engageable with an inner sloped wall of said cap unit, said inner sloped wall of said cap unit having a substantially equal inclination as that of said outer sloped wall of said ring element, wherein said ring element is also configured with an inner sloped wall and with a substantially horizontal surface that extends from an upper edge of said inner sloped wall, said inner sloped wall being slidable over the locking bead of said bottle neck when the coupled bottle closure is being lowered onto said bottle neck while the cap unit is being threadedly engaged with said bottle neck until said substantially horizontal surface of the ring element is in abutting relation with an underside of the bead.