Patent ID: 6941992

Claim:
A tyre for a vehicle wheel, comprising: a carcass structure; a belt structure disposed circumferentially around the carcass structure; a tread band disposed circumferentially around the belt structure; and sidewalls provided on opposite side portions of the carcass structure; wherein the carcass structure comprises: at least one carcass ply comprising thread elements substantially disposed transversely with respect to a circumferential extension of the carcass structure; and at least one pair of annular reinforcing structures disposed close to respective inner circumferential edges of the at least one carcass ply; wherein each of the annular reinforcing structures comprises: a first circumferentially inextensible annular insert, substantially in a form of a crown, disposed substantially coaxially with respect to the carcass structure close to one of the respective inner circumferential edges of the at least one carcass ply; and at least one second circumferentially inextensible annular insert, substantially in a form of a crown, disposed substantially coaxially with respect to the carcass structure; wherein the first annular insert is formed of at least one first elongated element extending in substantially-radially-aligned concentric coils, wherein the at least one second annular insert is disposed at an axially external position with respect to the first annular insert, wherein the at least one second annular insert is formed of at least one second elongated element extending in substantially-radially-aligned concentric coils, wherein the at least one carcass ply comprises a main part and end flaps, wherein the main part extends between inner circumferential edges of the first annular inserts, wherein the end flaps extend from the inner circumferential edges of the first annular inserts, away from the main part of the at least one carcass ply, wherein the at least one carcass ply is turned back against and around a circumferentially inner coil of respective first annular inserts at transition regions between the main part of the at least one carcass ply and respective end flaps, wherein each end flap is axially interposed between respective first and second annular inserts, wherein each coil of each first annular insert contacts the at least one carcass ply, and wherein the at least one carcass ply contacts each first annular insert over a whole surface extension of the first annular insert.