Patent ID: 6551086
Filing Date: 2003-04-22
Classification: B29C

Abstract:
A method of providing reinforced stand alone ribs in the molding surface of a mold of epoxy resin mold material for molding an article having recesses in the surface of the article comprising:(a) making a model of elastomeric material having recesses in the surface of said model; (b) applying a release agent to the surface of said model, characterized by; (c) inserting metal blades in said recesses; (d) placing said model in a shoe container chamber having the shape of a complete mold part; (e) filling said shoe container with an uncured epoxy resin mold material to form a complete mold part; (f) curing said epoxy mold material in said shoe container to form said mold part; and (g) separating said mold part from said model with said metal blades adhering to said mold part and being pulled out of said recesses in said surface of said model.