Tread for a tire being provided with a plurality of grooves (3), at least two circumferentially adjacent grooves (3) delimiting a contact element (4), the contact element (4) having at least one incision and being delimited into at least two sub-contact elements (6), on a plane perpendicular to the orientation of grooves and to the contact face, each the sub-contact element (6) having a length Ls between a first frontal face and a second frontal face, an outermost portion of the sub-contact elements intersecting with the first frontal (41) face at a first edge (43) and with the second frontal face (42) at a second edge (44), the tread having an outline OL of a radius Rt at an intersection IS between the outline OL and the outermost portion, the outermost portion comprises a first portion (62) including the first edge and a second portion (63) including the second edge, the first portion has a first radius Rs and the second portion has a second radius Rg, and the first radius Rs is smaller than the second radius Rg.
A TREAD FOR IMPROVING WINTRY PERFORMANCE
LAUFFLÄCHE ZUR VERBESSERUNG DER LEISTUNG IM WINTER
BANDE DE ROULEMENT POUR AMÉLIORER LES PERFORMANCES HIVERNALES
2024-03-20
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
Improvement of adhesion on wintry roads
Kraftfahrwesen | 1986
|Depot tips - Keep your transport yard operating in wintry weather.
Online Contents | 2008