Prior art tamperproof bottle cap mould

Prior art tamperproof bottle cap mould

Prior art tamperproof bottle cap mould moulded in one piece from plastics material include a ring having on the inside a bead for attachment to the neck of the bottle to be cap mouldped, a stopper joined by a hinge to said ring at one point on the perimeter of the cap mould and a tamperproof strip joining the stopper to the ring over the remainder of the perimeter of the cap mould until this strip is torn off when the bottle is opened for the first time. These prior art cap mould are designed to cap mould plastics material bottles having a neck which includes, in addition to a lower supporting flange required for the operation of fitting the cap mould, two superposed attachment flanges of which the lower attachment flange, located above the supporting flange, is used to attach the ring and the upper flange is used to attach the stopper which to this end also has a bead on the inside.

a cap mould portion for closing the container neck, said cap mould portion having a perimeter and joined by a hinge to said ring portion at one point of said perimeter, said cap mould portion comprising an upper disc member defining a lower annular bearing surface for bearing on the upper edge of the container neck and surrounding an annular sealing skirt having a substantially uniform length projecting downwardly from said bearing surface of said disc member for fitting into the container neck; and a tamperproof strip detachably joining said cap mould portion to said ring portion all around the perimeter of the cap mould portion except at said hinge;

. The closure according to claim 4, wherein the sealing skirt has an outside surface exhibiting a cross-sectional circular shape and the cap mould portion has a circular perimeter and wherein the outside surface of the skirt is offset towards the hinge relative to the perimeter of the cap mould portion.

Prior art tamperproof bottle cap mould moulded in one piece from plastics material include a ring having on the inside a bead for attachment to the neck of the bottle to be cap mouldped, a stopper joined by a hinge to said ring at one point on the perimeter of the cap mould and a tamperproof strip joining the stopper to the ring over the remainder of the perimeter of the cap mould until this strip is torn off when the bottle is opened for the first time.

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