The present invention aims to provide tires which exhibit satisfactory grip performance both before and after running-in. The present invention relates to tires including a tread rubber, the tread rubber satisfying the following relationship (I): a/b≥0.75 wherein the symbols (a) and (b) represent the minimum and maximum Martens hardnesses, respectively, of a tire tread contact portion measured in a region from 10 µm to 200 µm deep in the tire radial direction from the tire surface.
TIRE AND METHOD OF EVALUATING TIRE GRIP PERFORMANCE
REIFEN UND VERFAHREN ZUR BEWERTUNG DER HAFTLEISTUNG EINES REIFENS
PNEU ET PROCÉDÉ D'ÉVALUATION DE LA PERFORMANCE D'ADHÉRENCE D'UN PNEU
2023-11-01
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
A method for evaluating the wet grip performance of tire
European Patent Office | 2024
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