Mould for moulding a tread of a tire, this tread having a thickness of material to be worn away and a tread surface intended to come into contact with the road surface when the tire is running, this mould having a moulding surface intended to mould the tread surface of the tread, and having a moulding element formed of a blade and a bar, the blade being attached to the moulding surface to mould a sipe in the tread, the bar, borne by the blade to form an enlarged part of maximum width D, being intended to mould a channel in the tread, this channel itself being intended to form a new groove when the tread becomes part worn. Each blade is delimited by two lateral faces forming between them a mean angle of between 6° degrees and 18°. The blade width decreasing from the mould surface when new, as far as the connection with the bar, the blade width meets the bar being at least equal to between 0.2 and 0.4 times the maximum width D.


    Access

    Download


    Export, share and cite



    Title :

    Mould for a tire tread comprising concealed channels


    Contributors:

    Publication date :

    2021-06-08


    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



    MOULD FOR A TYRE TREAD COMPRISING CONCEALED CHANNELS

    COLLET ETIENNE / MARLIER FABIEN / SCHMITT LUDOVIC et al. | European Patent Office | 2020

    Free access

    Tire Comprising A Tread Layer Containing Channels

    VANTAL MARIE-HÉLÈNE / DEBORDEAUX HÉLOÏSE / VANDAELE MATHIEU et al. | European Patent Office | 2018

    Free access

    Tread Layer For A Tire Comprising Channels

    VANTAL MARIE-HÉLÈNE / LEDIEU VINCENT / YOKOKAWA KAZUTAKA et al. | European Patent Office | 2018

    Free access

    Tire tread and a tire comprising a tread

    SCHWEITZER CLAUDE / THOMAS JEAN-LOUIS MARIE FELICIEN / AHRENS BODO | European Patent Office | 2022

    Free access

    Tire tread and a tire comprising a tread

    SCHWEITZER CLAUDE / THOMAS JEAN-LOUIS MARIE FELICIEN / AHRENS BODO et al. | European Patent Office | 2024

    Free access