The invention relates to an anti-skid stud (10) for a vehicle tyre (1), comprising a study body, the anti-skid stud body comprising a bottom flange (14) at the lower end of the stud body, and a stem (13) extending away from the bottom flange. The anti-skid stud (10) comprises a stud pad (20), the stud pad comprising an inner surface (25) and an outer surface (26), and the thickness (t20) of the stud pad being between 0.4 mm and 3 mm, the stud pad (20) being arranged at least partly below said bottom flange (14), and the area of the inner surface (25) of the stud pad (20) being at least 10% of the bottom surface of the bottom flange of the anti-skid stud, the stud pad (20) of the anti-skid stud comprising or being made of a polymer material, which polymer material is arranged to soften at warm tempera-tures so that the ShA hardness of the stud pad is not greater than 55 at an ambient temperature of +22 C, and to harden at cold temperatures so that the ShA hardness of the stud pad is at least 70 at an ambient temperature of ¨25 C. The invention further relates to a studded pneumatic tyre for a vehicle, and the use of a polymer material in an anti-skid stud for a vehicle tyre.
ANTI-SKID STUD FOR A VEHICLE TYRE
CRAMPON ANTIDERAPANT POUR UN PNEU DE VEHICULE
15.09.2022
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
METHOD FOR PRODUCING AN ANTI-SKID STUD AND ANTI-SKID STUD
Europäisches Patentamt | 2021
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