Patent ID: 8303887

Claim:
A tool for the infusion of a resin into a preform made of fibre material, the tool comprising: a mould having a body, the mould configured to close, the mould comprising a female portion having a recess formed therein extending in a ring in the female portion suitable for receiving a preform having an annular shape, and a cover portion suitable for being positioned on the female portion in a coordinated manner so as to enclose the preform; at least one inlet duct in the body to allow resin to be injected into the mould so that the resin can be infused into the preform, at least one reservoir, which can contain the resin, formed in the body of the mould and connected to the at least one inlet duct, wherein the mould is configured to be inserted in an autoclave and the at least one reservoir is configured to permit the transfer of the resin from the at least one reservoir to the at least one inlet duct under the effect of the temperature and of the pressure that are produced in the autoclave, providing for injecting the resin into the mould; wherein the at least one reservoir comprises a pair of reservoirs formed in the female portion of the mould and arranged concentrically and on transversely opposite sides of the recess, the reservoirs being connected to the recess by respective rows of openings arranged on transversely opposite sides of the recess.