Provided is a sipe blade for molding a cavity in a tire tread. The sipe blade may comprise an elongated bulb core having an axis of elongation and a peripheral surface and an elongated thin strap. The elongated thin strap may have a first end fixedly mounted to an associated tire tread mold surface, a second end opposite the first end, and may extending substantially normally to the associated tire tread mold surface. The first end and the second end may be connected by a first face. A bulb may be formed from the first face wrapped over the peripheral surface starting from the second end.


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    Title :

    KEYHOLE SIPE BLADE


    Contributors:

    Publication date :

    2021-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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