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Ball with improved structure

  • US 20080287231A1
  • Filed: 05/17/2007
  • Published: 11/20/2008
  • Est. Priority Date: 05/17/2007
  • Status: Abandoned Application
First Claim
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1. A ball with improve structure comprising:

  • a hollow bladder that can be inflated in to a ball-like shape,a reinforcement layer that is a layer of cloth having intensive pores and fixedly covering up the outer surface of the bladder,a buffer layer that is made from foam and fixedly attached to the outer surface of the reinforcement layer,a cover layer that is a layer of cloth having intensive pores and fixedly attached to the outer surface of the buffer layer, andan external layer that covers up the outer surface of the cover layer and forms the appearance of the ball.

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