| 摘要 |
An inflatable sports ball which comprises an inflatable bladder which is provided with a bladder valve; a bladder pocket which encloses the bladder; an outer carcass which encloses the bladder pocket and is provided with an outer carcass valve hole; and a valve stem which extends from the bladder valve hole through the bladder pocket to the outer carcass valve hole. The bladder pocket is in form of a hosohedron with a plurality of identical lune faces, and each of the lune faces is formed by a panel which is made of a material cheaper in costs in comparison with materials which form the bladder or the outer carcass.
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