método para controlar uma fase de moldagem de uma estrutura de fixação anular de um pneu verde, pneu, equipamento para moldar e curar pneus verdes

A tyre includes a toroidal ring-shaped carcass structure with at least one carcass ply associated with at least one annular fixing structure, as well as a tread band positioned radially externally with respect to the carcass structure. The annular fixing structure includes a radially inner and axial...

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Hauptverfasser: GIANNI MANCINI, PIER GIUSEPPE PIANTANIDA, GAETANO LO PRESTI
Format: Patent
Sprache:por
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Zusammenfassung:A tyre includes a toroidal ring-shaped carcass structure with at least one carcass ply associated with at least one annular fixing structure, as well as a tread band positioned radially externally with respect to the carcass structure. The annular fixing structure includes a radially inner and axially inner surface and a radially inner and axially outer surface, the surfaces being substantially opposed to each other. The radially inner and axially inner surface and radially inner and axially outer surface are shaped by successive application of a first squeezing pressure produced by a first surface and a second surface of a curing mould that are brought towards each other, as well as a second squeezing pressure produced by bringing the first and second surfaces closer together. The radially inner and axially inner surface and/or radially inner axially outer surface have a shape that includes air evacuation channels.