| 摘要 |
A method for polychrome plastic material injection molding in accordance with the present invention, in which, a molding board is provided with a plurality of cores, and the cores are each provided with a plurality of cavities. The cores rotated for exchanging the positions of the cavities and together with the rotation of the molding board, whereby permitting the injection of three different colored plastic materials into the cores respectively in turn, and then forming a triple colored plastic object.
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