Patent ID: 8425213
Filing Date: 2013-04-23
Classification: B29D

Abstract:
1. A vulcanisation and moulding apparatus for a tyre comprising: containment walls comprising an inner surface defining a moulding cavity, the shape of said inner surface matching a final conformation to be given to a vulcanised tyre; and a plurality of lamellae having work portions projecting from said inner surface and capable of being adapted to form corresponding lamellar cuts or sipes on the vulcanised tyre, wherein at least one of said lamellae comprises at least one lug or tab inserted in a respective seat formed in the inner surface and opening on said inner surface, said lug and the respective seat being at least partly misaligned relative to the work portion along an insertion direction of the lamella in the seat, wherein said seat is closed with an addition material, and wherein the work portion of the lamella comprises at least one abutment surface bearing against the inner surface defining a moulding cavity, wherein said lamella comprises a portion for engagement with the inner surface inserted in a respective groove formed in the inner surface, and wherein said at least one lug or tab and the engagement portion are not in contact with a bottom of the respective seat and groove.