METHOD FOR MAKING A FOAMED SOLE

• Main Author: TSAI WEN-KUO
• Format: Patent
• Language: English
• Published: 18.02.2010
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A method for making a foamed sole includes the steps of: a) preparing a mold having a lower mold part, an upper mold part, and an intermediate plate removably disposed between the lower and upper mold parts, the lower mold part having a lower mold cavity, the upper mold part having an upper mold cavity; b) molding a first molding material in one of the upper mold cavity and the lower mold cavity to form a first sole portion while the intermediate plate is placed between the upper and lower mold parts; c) removing the intermediate plate and covering the lower mold part with the upper mold part; and d) molding a second molding material in the other of the upper mold part and the lower mold part to form a second sole portion in the presence of the first sole portion.