A pneumatic tire 1 comprises a tread part 2, and, with respect to a circumferential main groove 12 being located on an outermost side when the tire is mounted to a vehicle is configured that a ratio W1/W2 of a groove width W1 at a 90% groove depth position when a groove depth at a groove bottom is assumed to be 100% and a groove width W2 at a tread part surface is 0.30 to 0.75, a ratio La/Lb is 0.10 to 0.20, wherein La is a length of the tire 1 in the circumferential direction C and Lb is a total sum length of a total length Lb1 of edge component lengths of the width direction grooves 21, 22, 25, 26 in a width direction W of the tire and a total length Lb2 of edge component lengths of the sipes 23, 24, 27, 28 in the width direction W, and, with respect to the rubber composition forming the tread part 2, 5°C tan δ is 0.10 to 0.60, |20°C tan δ - 50°C tan õ| is 0.10 or less, and 20°C E' is 5.0 MPa or more.
PNEUMATIC TIRE
LUFTREIFEN
BANDAGE PNEUMATIQUE
2023-12-06
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
PNEUMATIC TIRE INNER LINER, PNEUMATIC TIRE, AND PNEUMATIC TIRE PRODUCTION METHOD
Europäisches Patentamt | 2017
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