| 摘要 |
<p>The invention relates to a ball game device, especially a racket, for striking a ball, and a method of manufacturing the device. Its particular application is to the game of paddle. The ball game device comprises a striking element having a body made of composite material. Located inside the body are a first filling element and a second filling element, in a first zone and a second zone, respectively, made of materials of a first density and a second density, respectively. As a consequence, the behaviour of the ball differs depending on whether the impact occurs in the area over the first area inside the body, or in the area over the second area inside the body.</p> |
