PROBLEM TO BE SOLVED: To provide a cable bead for a pneumatic tire which constitutes a bead part of a pneumatic tire, improves rubber permeability by restricting a ratio between a diameter of a cable and a pitch of an outer line wire, and improves durability of the pneumatic tire by improving rubber adhesive properties through cobalt coating on a surface of the outer line wire, and a pneumatic tire having the same.SOLUTION: There is provided a cable bead for a pneumatic tire, in which a diameter D of a cable and a pitch P of an outer line wire 20 satisfy a relationship formula, P/D=25 to 45, and a surface of the outer line wire 20 is coated with cobalt after wire drawing.SELECTED DRAWING: Figure 1

    【課題】本発明は空気入りタイヤのビード部を構成し、ケーブルの直径と外側線ワイヤのピッチとの間の比を制限してゴム浸透性を向上させ、外側線ワイヤの表面に対するコバルトコーティングを介してゴム付着性を向上させることにより、空気入りタイヤの耐久性を向上させた、空気入りタイヤ用ケーブルビード及びこれを備えた空気入りタイヤに関するものである。【解決手段】空気入りタイヤ用ケーブルビードは、ケーブルの直径Dと外側線ワイヤ20のピッチPが関係式P/D=25〜45を満たすことを特徴とし、前記外側線ワイヤ20は伸線後、コバルトが表面コーティングされたことを他方の特徴とする。【選択図】図1


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    Title :

    CABLE BEAD FOR PNEUMATIC TIRE AND PNEUMATIC TIRE HAVING THE SAME


    Additional title:

    空気入りタイヤ用ケーブルビード及びこれを備えた空気入りタイヤ


    Contributors:

    Publication date :

    2018-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / D07B ROPES OR CABLES IN GENERAL , Seile oder Kabel allgemein



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