TIRE WITH LIGHT WEIGHT BEAD CORE

摘要

The present invention relates to a tire comprising: a carcass structure (CS) of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, said bead structures comprising at least one bead core (BC) and at least one bead filler (6); a belt structure (7) applied in a radially external position with respect to said carcass structure; a tread band (TB) radially superimposed on said belt structure; a pair of sidewalls (SW) applied laterally on opposite sides with respect to said carcass structure; wherein said at least one bead core (BC) comprises: at least one first elongated element (21, 30) comprising at least one composite material comprising a plurality of elongated fibers embedded in a polymeric material, said composite material having a flexural modulus, measured according to Standard ASTM D790-03, at 23°C, not lower than or equal to 10 GPa, preferably of from 20 GPa to 200 GPa; at least one second elongated element comprising at least one metal wire.