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INNER BLADDER STRUCTURE FOR BALL

  • US 20110177895A1
  • Filed: 01/20/2010
  • Published: 07/21/2011
  • Est. Priority Date: 01/20/2010
  • Status: Abandoned Application
First Claim
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1. An inner bladder structure for ball, particularly suitable for a seamless ball, comprising a bladder being in the form of a spherical bag and forming a main body structure of a seamless ball, a yarn layer being provided on an outer surface of the bladder, an emulsion layer being provided on an outer surface of the yarn layer to serve as a binding material, and a round and smooth ball cover layer bonded to an outer surface of the emulsion layer;

  • the yarn layer being a single-layered web structure integrally knitted using a plurality of yarns to have a three-dimensional (3D) spherical shape with a plurality of voids formed between adjacent knitting yarns; and

    the emulsion layer filling up the voids on the yarn layer to form a complete spherical body.

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