A tire 2 includes a tread 4 including: circumferential grooves 10 including circumferential main grooves 14 and one or more circumferential narrow grooves 16; and transverse sipes 12 each connecting the circumferential main groove 14 and the circumferential narrow groove 16. Each circumferential narrow groove 16 includes a narrow groove portion 52, a wide portion 54, and an inflection portion 56. A pair of groove walls 16W of the circumferential narrow groove 16 come into contact with each other at the narrow groove portion 52 when the tread 4 comes into contact with a road surface and becomes deformed. A maximum width W2 of the wide portion 54 is wider than a minimum width W1 of the narrow groove portion 52. A contour of the inflection portion 56 is represented by an arc having a radius R1 larger than a length HW2 that is half the maximum width W2.
HEAVY DUTY TIRE
SCHWERLASTREIFEN
PNEU POUR POIDS LOURDS
2025-07-30
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |