| 摘要 |
In some aspects, the invention relates to a inflation independent sports ball comprising a foam core 15 and an outer covering 10, wherein the sports ball is selected from the group consisting of a football, a basketball a volleyball and a soccer ball, wherein the sports ball 5 is devoid of an inflatable air bladder. In other aspects, the invention relates to a sports ball, having a diameter and comprising a synthetic leather outer covering 10 at least partially covering a polyurethane foam core 15, wherein the foam core further comprises at least one Internal compartment and a cylindrical body spanning at least part of the length of the diameter of the sports ball. In other aspects, the invention relates to a sports ball having an outer covering and a foam core, wherein the foam core 15 is not filled with foam entirely throughout its Internal volume, but rather includes space for air. |
