Provided is a heavy duty tire having improved chipping resistance on a road surface with poor road conditions. A heavy duty tire having a tread portion, the tread portion including a first layer constituting a tread surface and a second layer located on an inner side of the first layer, the tread surface has a plurality of main grooves continuously extending in the circumferential direction of the tire, lateral grooves extending in the axial direction of the tire from the main grooves, and blocks partitioned by the main grooves and the lateral grooves, the blocks have sipes, and when the depth (mm) of the sipes is D and the thickness (mm) of the first layer is H, D and H satisfy the following relational expressions: D/H < = 0.95 (1), the rubber composition constituting the first layer contains a rubber component and a filler, the rubber component containing an isoprene rubber, and the filler containing carbon black and silica.
HEAVY-DUTY TIRE
SCHWERLASTREIFEN
PNEU POUR POIDS LOURDS
2024-01-03
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |