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Footwear midsole with warped lattice structure and method of making the same

  • US 10,575,588 B2
  • Filed: 03/27/2017
  • Issued: 03/03/2020
  • Est. Priority Date: 03/27/2017
  • Status: Active Grant
First Claim
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1. A midsole for an article of footwear, the midsole comprising:

  • a three dimensional mesh comprising a plurality of interconnected unit cells, each interconnected unit cell comprising a plurality of struts defining a three dimensional shape; and

    a plurality of nodes at which one or more struts are connected,wherein each node comprises a valence number defined by the number of struts that are connected at that node,wherein the valence number for nodes of the plurality of nodes varies in a longitudinal direction along a length of the midsole between a forefoot end of the midsole and a heel end of the midsole,wherein the valence number for nodes of the plurality of nodes varies in a vertical direction between a top side of the midsole and a bottom side of the midsole, andwherein the variation in the valence number for the nodes in the longitudinal direction is configured to vary a characteristic of the midsole in the longitudinal direction.

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