PROBLEM TO BE SOLVED: To suppress reduction in durability, and enhance rigidity of side parts.SOLUTION: A carcass ply member 6 for a pneumatic tire is provided with a carcass cord 61 comprising, as a basic configuration: a first lateral extending part 63 extending from one end part 60A in a lateral direction A to the other end part 60B; a first turn-back part 64 turned at the other end 60B; a second lateral extending part 65 extending from the other end part 60B to the one end part 60A; and a second turn-back part 66 turned at the one end part 60A. The carcass cord is arranged with the basic configurations repetitively continued in a longitudinal direction A. The second lateral extending part 65 intersects the first lateral extending part 63 at an installation position on one side 2 of the tire, while intersecting the next first lateral extending part 63 at an installation position on the other side 2 of the tire.SELECTED DRAWING: Figure 3

    【課題】耐久性の低下を抑制するとともに、サイド部の剛性を向上する。【解決手段】空気入りタイヤ用カーカスプライ部材6において、カーカスコード61を、横方向Aの一端部60Aから他端部60Bに延びる第1横方向延在部63と、他端部60Bにおいて折り返される第1折り返し部64と、他端部60Bから一端部60Aに延びる第2横方向延在部65と、一端部60Aにおいて折り返される第2折り返し部66とを基本構成として、該基本構成を縦方向Aに繰り返して配設する。第2横方向延在部65は、タイヤの一方のサイド部2に配置される位置で第1横方向延在部63と交差し、かつタイヤのもう一方のサイド部2に配置される位置で次の第1横方向延在部63と交差するように設けられている。【選択図】図3


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    Title :

    PNEUMATIC TIRE AND CARCASS PLY MEMBER THEREOF


    Additional title:

    空気入りタイヤ及びそのカーカスプライ部材


    Contributors:
    TOMITAKA YU (author)

    Publication date :

    2017-06-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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