Metallic cord for reinforcing rubber articles, in particular tyres.
OwnerEnzo Falzolgherinventor
Life of this patent
Estimating the term…
Abstract
A reinforcing ply for rubber articles includes a plurality of parallel cords enclosed in an elastomeric matrix. Each cord includes three internal core wires and six external crown wires. The core wires and the crown wires have a same diameter. In a cross section of the reinforcing ply, a ratio between an area of the cords and an area of the elastomeric matrix is not greater than 6:10. A tire including a carcass provided with at least one carcass ply, a tread band, and a belt package is also disclosed. The belt package is provided with at least two reinforcing layers between the at least one carcass ply and the tread band. At least one of the reinforcing layers includes the reinforcing ply.
Claims18
Cord for reinforcing rubber articles comprising three internal core wires and six external crown wires, characterized in that said core wires and crown wires have the same diameter of between 0.30 mm and 0.40 mm.
Reinforcing ply for rubber articles comprising a plurality of parallel cords enclosed in an elastomeric matrix, characterized in that the core wires and the crown wires of said cords have the same diameter of between 0.30 mm and 0.40 mm.
Tire comprising a carcass with at least one reinforcing ply, a tread band and a belt package provided with at least two reinforcing layers between said carcass and said tread, characterized in that at least one of said reinforcing layers is formed of a reinforcing ply comprising a plurality of cords, the core wires and the crown wires of said cords having the same diameter, said diameter being of between 0.30 mm and 0.40 mm.
Dependencies are inferred from the claim text.