FOAMING PROCESS FOR OUTSOLE OF SHOE HAVING COLOR WHICH IS DEEPENED GRADUALLY AND CONVERTED GRADUALLY CAPABLE OF CREATING SIMPLE PROCESS AND LOW MANUFACTURING COSTS

摘要

PURPOSE: A foaming process for an outsole of a shoe having the color which is deepened gradually and converted gradually is provided to simplify the process and reduce manufacturing costs. CONSTITUTION: A foaming process for an outsole of a shoe comprises the steps of: mixing EVA materials; crushing mixed EVA materials to particles; mixing materials(10) with at least three color paints(11,12,13) having different depths; injecting three mixed materials having colors of different depths into a foaming device(20) and arranging the mixed materials in a direct foaming mold(30); and heating the direct foaming mold.