To provide a tire enabling suppression of deterioration in on-ice gripping performance due to market traveling.SOLUTION: A tire is provided, comprising: a cord layer; and a tread rubber layer arranged in the outside, in a tire radial direction, of the cord layer. The tread rubber layer includes at least: a surface side tread rubber layer arranged on a surface side of the tire; and an inner tread rubber layer arranged adjacently to inside in the tire radial direction, of the surface side tread rubber layer. In the tire, both the surface side tread rubber layer and the inner tread rubber layer include water-soluble material and satisfy the formula (1) below. [Formula 1].SELECTED DRAWING: None

    【課題】市場走行による氷上グリップ性能の低下を抑制できるタイヤを提供する。【解決手段】コード層と、前記コード層のタイヤ半径方向外側に配されたトレッドゴム層とを備えたタイヤであって、前記トレッドゴム層は、タイヤの表面側に配された表面側トレッドゴム層と、前記表面側トレッドゴム層のタイヤ半径方向内側に隣接して配された内側トレッドゴム層とを少なくとも有し、前記表面側トレッドゴム層及び前記内側トレッドゴム層は共に水溶性材料を含み、かつ下記式(1)を満たすタイヤ。[数1]【選択図】なし


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    Titel :

    TIRE


    Weitere Titelangaben:

    タイヤ


    Beteiligte:
    ITO HIROSHI (Autor:in)

    Erscheinungsdatum :

    2021-11-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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