A ski includes an elongated ski body having a bottom layer defining a bottom surface of the ski, a top layer defining a top surface of the ski, and a middle layer disposed between the bottom layer and the top layer, in which the middle layer includes a negative Poisson's ratio (NPR) foam material having a Poisson's ratio of between 0 and −1.


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    Title :

    NEGATIVE POISSON`S RATIO MATERIALS FOR WINTER SPORTS EQUIPMENT


    Contributors:

    Publication date :

    2024-12-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A43B Charakteristische Merkmale des Schuhwerks , CHARACTERISTIC FEATURES OF FOOTWEAR / A63C SKATES , Schlittschuhe / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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