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Ball envelope

  • US 5,820,501 A
  • Filed: 05/12/1997
  • Issued: 10/13/1998
  • Est. Priority Date: 09/29/1994
  • Status: Expired due to Fees
First Claim
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1. A ball envelope made up of a plurality of polygonal segments sewn together at their edges and which belong to first and second groups of segments having different shapes, the first group of polygonal segments being made up of equilateral, triangular segments and the second group of polygonal segments being made up of hexagonal segments, the hexagonal segments having an outline corresponding to a rectangle, having long sides and short sides, interposed between two isosceles triangles, the short sides of the rectangle coinciding with the bases of the isosceles triangles.

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