PROBLEM TO BE SOLVED: To provide pneumatic tire which can suppress a hydroplaning phenomenon by efficiently draining water flowing in a groove, and is easily manufactured.SOLUTION: In a pneumatic tire having a main groove 10A extending in a tire circumferential direction or a main inclination groove 10B extending by inclining in the tire circumferential direction at a tread part 1, a projection body 12 projecting from a groove inner surface 11, and extending in a longitudinal direction of the main groove 10A or the main inclination groove 10B while periodically curving with amplitude to a reference line L in parallel with a tread surface is formed in both groove inner surfaces 14, 15 of the groove inner surface 14 on one side and the groove inner surface 15 on the other side to a groove bottom center C of the main groove 10A or the main inclination groove 10B, a mountain and a valley of a curved shape of the projection body 12 provided on both the groove inner surfaces 14, 15 are prevented from being aligned with each other by difference in phases or difference in periods of the curved shape the projection body 12.SELECTED DRAWING: Figure 4

    【課題】溝内に流れ込む水を効率よく排出してハイドロプレーニング現象を抑制することが出来、且つ、製造が容易な空気入りタイヤを提供する。【解決手段】トレッド部1にタイヤ周方向に延在する主溝10A又はタイヤ周方向に対して傾斜して延在する主傾斜溝10Bを有する空気入りタイヤにおいて、主溝10A又は主傾斜溝10Bの溝底中央Cに対して一方側の溝内面14と他方側の溝内面15の両方の溝内面14,15に、溝内面11から突出すると共にトレッド面に平行な基準線Lに対して振幅を持って周期的に湾曲しながら主溝10A又は主傾斜溝10Bの長手方向に延在する突条体12を形成し、この突条体12の湾曲形状の位相の違い又は周期の違いによって、両側の溝内面14,15に設けられた突条体12の湾曲形状の山と谷とが揃わないようにする。【選択図】図4


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    Titel :

    PNEUMATIC TIRE


    Weitere Titelangaben:

    空気入りタイヤ


    Beteiligte:

    Erscheinungsdatum :

    2017-02-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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