| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing foamed molding by the stamping method which are usable for automobile interior parts and the like and which, with an expansion ratio of two folds or more, are lightweight and excellent in flexible cushion properties and heat insulation properties. SOLUTION: The method applying the upper and lower mold halves for stamping molding is characterized in that the mold composed of the upper and lower mold halves has a clearance of 3 mm or more and that a foamable resin injected into the mold gives rise to foaming simultaneously with the injection and is compression molded in the above mold under the condition that the foaming is almost completed. COPYRIGHT: (C)2004,JPO |
