Patent ID: 9049901
Filing Date: 2015-06-09
Classification: A43B,B29C,B29D,B29L,Y10T

Abstract:
1. A method for producing a regionalized-firmness midsole utilizing a heat process, the method comprising: providing a plurality of pre-formed ethylene vinyl acetate biscuits, the plurality of pre-formed ethylene vinyl acetate biscuits comprising a first biscuit having a first density and a second biscuit having a second density, wherein the first biscuit is pre-formed into a first shape and the second biscuit is pre-formed into a second shape in a first molding process, the first shape and the second shape corresponding to different portions of a receiving area of a heat press used in the first molding process; arranging the plurality of biscuits into the receiving area of the heat press; and integrating at least the first biscuit and the second biscuit to form the midsole by heat activation in a second molding process.