PNEUMATIC TIRE BEAD CONTAINING NO BEAD RING Russian patent published in 2003 - IPC

FIELD: automotive industry; tire industry. SUBSTANCE: reinforcement of carcass has curved meridional profile in each bead passing axially and radially from outside into inside. Reinforcement of carcass in each bead is strengthened at least from outside in radial direction and from inside is axial direction by at least one first solid additional layer of meridional profile parallel to meridional profile of carcass reinforcement in said bead and containing at least one first part formed by at least one layer of non-stretchable support strengthening elements forming with circumferential direction an angle within - 2.5^o and +2.5^o. EFFECT: improved reliability and increased strength of tire. 24 cl, 7 dwg