A pneumatic tire having a pair of annular bead areas (12), a pair of sidewalls, and a crown portion wherein a carcass ply (22) wraps around a radial inner side (RSj,2o ) of each bead ring (20), for each bead area (12) a first layer of rubber material (30) is arranged radially inward from both the bead ring radial inner side (RSi,2o ) and the carcass ply (22) and a second layer of rubber material (40) is arranged radially inward from the first layer of rubber material (30), each of the first layer of rubber material (30) and the second layer of rubber material (40) extending substantially across a full width (W20 ) of the corresponding bead ring (20), each of the first and second layer of rubber material (30, 40) having a modulus of elongation, where the modulus of elongation of the secondlayer of rubber material (40) is equal to or greater than substantially 125% of the modulus of elongation of the first layer of rubber material (30).

    充气轮胎,其具有一对环形胎圈(12)、一对侧壁和胎冠部分,其中胎体帘布层(22)环绕每个胎圈环(20)的径向内侧(RSj,2o),对于每个胎圈区域(12),第一橡胶材料层(30)从胎圈环径向内侧(RSi,2o)和胎体帘布层(22)径向向内布置,并且第二橡胶材料层(40)从第一橡胶材料层(30)径向向内布置,第一橡胶材料层(30)和第二橡胶材料层(40)中的每一个基本上在相应的胎圈环(20)的整个宽度(W20)上延伸,第一和第二橡胶材料层(30,40)的每个具有伸长模量,其中第二橡胶材料层(40)的伸长模量等于或基本上大于第一橡胶材料层(30)的伸长模量的125%。


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    Titel :

    Pneumatic tire


    Weitere Titelangaben:

    充气轮胎


    Beteiligte:

    Erscheinungsdatum :

    2020-08-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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