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US 8,574,104 B2Granted
Inflatable sport ball structure and manufacturing method thereof
AssigneeHung Da Chou
InventorKeng-Hua Chou
Life of this patent
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Abstract
An inflatable sports ball structure and a manufacturing method thereof are disclosed. The inflatable sports ball structure comprises of an inner bladder, a reinforced carcass containing thread, and an exterior material layer. The reinforced carcass covers the surface of the inner bladder, and has a thread wound layer. Part of the thread wound layer is embedded in the reinforced carcass and provides a constricting force towards the inner bladder, and a small remaining part of the thread wound layer may be exposed on the outer surface of the reinforced carcass.
Claims7
An inflatable sports ball, comprising:
- a bladder having an outer surface;
- a carcass covering the outer surface of the bladder and having an outer surface facing away from the outer surface of the bladder;
- an exterior material layer covering the outer surface of the carcass;
- and
- a thread wound structure, wherein a majority of the thread wound structure is in the carcass, and a minority of the thread wound structure protrudes from the outer surface of the carcass and directly contacts the exterior material layer.
2 more elements
Dependencies are inferred from the claim text.