Patent ID: 6468062
Filing Date: 2002-10-22
Classification: B29C,B29D

Abstract:
A rigid core for molding and vulcanizing a tire and at least partially defining a manufacturing form for the internal surface of said tire, the core comprising a plurality of circumferentially adjacent rigid fractions having transverse faces, the fractions being disposed side by side in contact with one another by their transverse faces, said transverse faces of at least one fraction converging radially at the exterior of the core, each of said fractions comprising a rigid portion for attachment to a member for integrally connecting the plurality of fractions, said attachment portion being arranged at the radially internal end of each of the fractions and being produced from a first material, each fraction further comprising a main portion which is integrally connected to said attachment portion and is produced from a second material different from the first material, said manufacturing form for the internal surface of the tire being defined at least in part by the external surfaces of said main portions and by no part of said attachment portions.