Patent ID: 6367172
Filing Date: 2002-04-09
Classification: A43B

Abstract:
A shoe unit comprising:an outer sole having a peripheral wall delimiting a plantar region, a heel region, and an arch region of the outsole; an inner cavity formed in at least one of the plantar, heel and arch regions, the cavity having a shape including a floor; a molded-in-place cushioning pad made of ethyl vinyl acetate (EVA) located within the inner cavity, the cushioning pad having a top, bottom and edge surfaces, wherein the cushioning pad is molded within the cavity prior to the assembly of a shoe upper and the outsole and a thermal plastic rubber (TPR) layer located between the cavity and the cushioning pad to adhesively bond the top and edge surfaces of the cushioning pad to the inner cavity so that the cushioning pad becomes an integral functional part of the outsole.