Patent ID: 8545743
Filing Date: 2013-10-01
Classification: A43B,B29C,B29D,B29K,B29L

Abstract:
1. A method of forming an article of footwear comprising the following steps: injecting a first material having a first hardness into a first cavity of a mold assembly to form a sole assembly of an article of footwear, injecting a second material having a second hardness that is less than the first hardness into a second cavity of the mold assembly, a first last being suspended within the second cavity, to form an upper of the article of footwear about the first last, the upper having a first portion configured to extend over an instep of a user—s foot and a second portion configured to extend around the user—s foot; allowing the upper and the sole assembly to cure and bond together to form an article of footwear; removing the article of footwear from the mold assembly and from the first last; allowing the article of footwear to expand to a first size; placing the article of footwear on a second last having a second size that is smaller than the first size; and applying heat and cooling the lasted article of footwear in alternating steps until it shrinks to the second size.