| 摘要 |
<p>The, present invention relates to a freestanding sports accessory. The freestanding sports accessory (10) comprises a pliable membrane or bag (12) having a valve (16) configured to regulate fluid flow to and from the bag, which defines a fluid tight enclosure when the valve is sealed. Particulate matter (24, 26) enclosed within the bag is configured to define a rigid body when fluid is removed from the fluid tight enclosure urging the bag around the particulate matter. Furthermore, the freestanding sports accessory is configured such that the bag assumes substantially the same predetermined shape on each occasion when fluid is removed from the bag.</p> |
