Tread for a heavy vehicle tire, having a wearable thickness of material PMU and having at least two main grooves of depth P1 close or equal to PMU, delimiting a raised element, at least one secondary groove of depth P2 less than depth P1, extending throughout the raised element, and having a groove bottom, each of the main and secondary grooves oriented in a circumferential or near-circumferential main direction corresponding to the mean direction of flow of liquid in each groove, a plurality of sipes in the raised element, each comprising lateral parts formed on each side of the secondary groove, and connected by a connecting part formed radially towards the inside of the tread from the bottom of the secondary groove, the connecting part having a sipe portion oriented in the main direction of the secondary groove, making an angle at most equal to 30° with the circumferential direction.
BANDE DE ROULEMENT ÉVOLUTIVE
TREAD CAPABLE OF EVOLVING
ENTWICKLUNGSFÄHIGER LAUFSTREIFEN
2017-12-06
Patent
Elektronische Ressource
Französisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
PNEUMATIQUE AVEC BANDE DE ROULEMENT COMPORTANT UNE SCULPTURE ÉVOLUTIVE AVEC INCISIONS
Europäisches Patentamt | 2023
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