A heavy duty tire comprising a tread part, wherein the tread part comprises a plurality of circumferential grooves extending continuously in a tire circumferential direction, wherein the tread part at least comprises three rubber layers, wherein a tan δ at 70°C of the rubber composition constituting the first layer is smaller than a tan δ at 70°C of the rubber composition constituting the second layer, and wherein, when a tire outer diameter is defined as Dt, in m, a thickness of the first layer is defined as t1, in mm, and a groove depth at a deepest part of the circumferential grooves is defined as H, in mm, 70°C tan δ2/Dt is greater than 0.09, and t1/H is 0.90 or less.
HEAVY DUTY TIRE
SCHWERLASTREIFEN
PNEU POUR POIDS LOURDS
2024-03-06
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |