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.
NEGATIVE POISSON`S RATIO MATERIALS FOR WINTER SPORTS EQUIPMENT
2024-12-26
Patent
Electronic Resource
English
NEGATIVE POISSON`S RATIO MATERIALS FOR WINTER SPORTS EQUIPMENT
European Patent Office | 2023
|Negative Poisson's ratio materials for winter sports equipment
European Patent Office | 2024
|Negative Poisson`s Ratio Materials for Impact Protection Devices
European Patent Office | 2024
|Bottom protection structure containing negative-Poisson-ratio honeycomb material
European Patent Office | 2020
|