PROBLEM TO BE SOLVED: To provide a tire for a two-wheel barrow, in which a tread combines wet grip performance with wear resistance.SOLUTION: The tire for a two-wheel barrow is provided which comprises a pair of bead portions and a pair of sidewall portions and a tread portion continuous with both sidewall portions, and in which the tread portion is divided, in the tire width direction, into three portions by a center portion including a tire equator surface and a pair of shoulder portions including the tread ends, wherein both tread rubber of the center portion and tread rubber of the shoulder portion include a rubber component, and satisfy the following expression (1). (The peak temperature of a loss tangent tanδ of the tread rubber of the center portion)<(the peak temperature of a loss tangent tanδ of the tread rubber of the shoulder portion)...(1).SELECTED DRAWING: Figure 1

    【課題】トレッドのウェットグリップ性及び耐摩耗性を両立する二輪車用タイヤを提供する。【解決手段】一対のビード部及び一対のサイドウォール部と、両サイドウォール部に連なるトレッド部とを備え、該トレッド部が、タイヤ幅方向に、タイヤ赤道面を含むセンター部と、トレッド端を含む一対のショルダー部とによって3分割されてなる二輪車用タイヤにおいて、前記センター部のトレッドゴム及び前記ショルダー部のトレッドゴムは、共にゴム成分を含有し、かつ、下記式(1)を満たす二輪車用タイヤ。(前記センター部のトレッドゴムの損失正接tanδのピーク温度)<(前記ショルダー部のトレッドゴムの損失正接tanδのピーク温度) (1)【選択図】図1


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    Titel :

    TIRE FOR TWO-WHEEL BARROW


    Weitere Titelangaben:

    二輪車用タイヤ


    Beteiligte:

    Erscheinungsdatum :

    2018-11-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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