A tire 22 includes a pair of bead portions 66 to be fitted to a rim R. Each bead portion 66 includes a bead 30 having a core 52 and an apex 54. An outer surface 68 of the bead portion 66 includes a seat face 70 and a flange face 72 disposed radially inward and axially outward, respectively, of the bead 30, a heel face 74 disposed between the seat face 70 and the flange face 72, and a plurality of vent lines 78 projecting from the heel face 74 and extending in the circumferential direction. A contour of the heel face 74 is represented by an arc on a cross-section, of the tire 22, taken along a plane including a rotation axis of the tire 22, and a radius Rh of the arc is not less than 8 mm and not greater than 15 mm.


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    Title :

    PNEUMATIC TIRE AND TIRE MOLD


    Contributors:
    KUBO HOKUTO (author)

    Publication date :

    2021-02-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand



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