主权项 |
1. A game or amusement device in the form of a flying disc, comprising:
a peripheral doughnut-shaped hollow ring surrounding a generally planar central portion, the hollow ring being permanently inflated to a pressure of at least 0.9 kg/cm3, the flying disc having a wall thickness of at least 72.8 mils, and the flying disc being injection molded of a flexible thermoplastic plastomer or elastomer. |