Inflatable game ball and method of making same
First Claim
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1. Method of making a sports- or games-ball having an inflatable bladder including the steps of:
- inflating said bladder until the surface of said bladder is generally under tension, adhering a plurality of woven material pieces to the outer surface of said inflated bladder, moistening said woven material wrapped inflated bladder, placing said woven material wrapped and inflated bladder inside a mould, further inflating said woven material wrapped bladder to a pre-determined pressure until said bladder presses against said mould, apply heat to said woven material wrapped and inflated bladder inside said mould to strengthen the bonding between said bladder and said cloth pieces.
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Abstract
A sports or games balls having an inflatable bladder in which the bladder is re-inforced by a plurality of cloth (or other woven materials) pieces which are adhered to the bladder surface in a substantially orthogonal manner. The cloth-wrapped bladder is heat treated within a mould assembly to strengthen the glue bonding between the cloth pieces and the bladder surfaces and to provide a bladder with a well-defined shaped.
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Citations
21 Claims
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1. Method of making a sports- or games-ball having an inflatable bladder including the steps of:
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inflating said bladder until the surface of said bladder is generally under tension, adhering a plurality of woven material pieces to the outer surface of said inflated bladder, moistening said woven material wrapped inflated bladder, placing said woven material wrapped and inflated bladder inside a mould, further inflating said woven material wrapped bladder to a pre-determined pressure until said bladder presses against said mould, apply heat to said woven material wrapped and inflated bladder inside said mould to strengthen the bonding between said bladder and said cloth pieces. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of making an inflatable bladder of a ball by applying a plurality of cloth- or woven-material patch pairs onto the surface of said inflatable bladder, where at least some of said pairs of patches are disposed in a diametrically opposite manner on the surface of said bladder.
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20. A ball having a hollow inflatable bladder, wherein said bladder includes a plurality of cross-shaped cloth pieces disposed substantially at the diametrically opposite ends of said bladder, said bladder is enclosed within an outer body made of a plurality of panels sewn together.
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21. A ball having a hollow inflatable bladder, wherein said bladder includes a plurality of overlapping cross-shaped cloth pieces disposed on the surface of said bladder.
Specification