Patent ID: 6766839
Filing Date: 2004-07-27
Classification: B60C,Y10T

Abstract:
A tyre for vehicle wheels, comprising:a torus-shaped carcass having a central crown portion and two axially opposite sidewalls terminating in a pair of beads for fixing the tyre onto a corresponding mounting rim, each bead comprising at least one circumferentially unextendable annular reinforcing core comprising a series of spirals of metal wire radially superimposed and axially arranged alongside each other; a tread strip located on the crown portion and coaxially extending around the carcass and provided with a raised pattern for rolling contact with a road; and a belt structure coaxially arranged between the carcass and the tread strip; the carcass having a reinforcing structure comprising at least one ply of rubberized fabric reinforced with metal cords lying in radial planes containing an axis of rotation of the tyre, the reinforcing structure having ends secured to the annular reinforcing cores and a neutral profile, lying in a radial cross-sectional plane, axially extending from bead to bead, wherein: the neutral profile intersects a cross section of a zone enclosing the annular reinforcing cores; and the neutral profile has a continuous curvature devoid of inflection points along an extension between the beads.