B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/89
B60C 9/18 (2006.01) B60C 9/20 (2006.01) B60C 9/22 (2006.01)
Patent
CA 1151986
CWU 17185 IMPROVEMENTS IN THE ANNULAR REINFORCING STRUCTURE OF RADIAL TIRES Abstract of the Disclosure An annular reinforcing structure for the radial carcass of a vehicle tire has at least two radially superimposed layers of metal cords having an elongation at break between 2.6% and 3.2%. Two reinforcing rings are disposed in a radially external position at the extremities of the layers of metal cords with the axially outer edges coinciding with each other. The rings have a width between 7% and 40% of the width of the radially inner layers, and comprise metal cords having an elongation at break between 4% and 8%. The metal cords are oriented according to the longitudinal direction of the tire and are disposed in at least two radially superimposed strips.
363051
Ghilardi Giuliano
Maiocchi Luigi
Gowling Lafleur Henderson Llp
Societa Pneumatici Pirelli S.p.a.
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