| 摘要 |
PROBLEM TO BE SOLVED: To obtain a production apparatus which can secure the flame retardancy of a multi-layer resin molding using a flame retardant resin in a skin layer and a non-flame retardant resin in a core layer, simplify the production of the molding, and secure the classification of a resin material of the surface of the molding and a resin material in the inside of the molding. SOLUTION: The resin molding is provided with a molding molded by injecting different materials alternately and a resin compounding amount in which the amount of the flame retardant resin of the skin layer forming the enclosure of the molding is larger than the amount of the non-flame retardant resin of the core layer forming the inside of the skin layer. The amount of the resin of the core layer is made the maximum amount to secure the flame retardancy. COPYRIGHT: (C)2005,JPO&NCIPI
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