Patent ID: 7261530

Claim:
A device for moulding and vulcanizing a tyre that is at least partially unvulcanized, comprising: an outer shell; and a collapsible inner support including a toroidal shape and a plurality of convex circumferential sectors; wherein each convex sector comprises a radially internal base portion and a radially external crown portion, wherein the crown portion includes at least two elastic elements along an axial direction of the crown portion such that the crown portion is elastically movable, wherein the moulding and vulcanizing comprise predetermined conditions of temperature and pressure, wherein the tyre comprises a defined volume, wherein the crown portions are interposed between the outer shell and the inner support, wherein the crown portions and outer shell form a cavity of controlled volume for the moulding and vulcanizing, and wherein the controlled volume of the cavity fits the defined volume of the tyre so that the moulding pressure is maintained within a predetermined range of values.