APPARATUS AND METHOD FOR IN-MOLD FOAM MOLDING OF SYNTHETIC RESIN, AND IN-MOLD FOAM-MOLDED PRODUCT

摘要

PROBLEM TO BE SOLVED: To make compatible a productivity and commodity value by making adjustable the fusion ratio in a molded product while enhancing the beautifulness of the appearance of the molded product. SOLUTION: On the rear surface side of a core mold 2 and a cavity mold 3 as one set of molds, first and second steam chambers 31, 32 are formed as surface heating steam chambers independent of a molding space 4. Air holes 14, 15 on steam supply and discharge sides for passing steam to the molding space 4 independently of the first and second steam chambers 31, 32 are provided only to the molding parts for molding the inconspicuous part of a molded product of the core mold 2 and the cavity mold 3.