| 摘要 |
PURPOSE:To obtain a plastic product having two-color finish excellent in commercial value of commodity by a method wherein the cavity is charged with resins that are different in color from each other from two different heating cylinders through different runners according to charging distribution. CONSTITUTION:Two heating cylinders 16a, 16b are provided respectively in order to separately melt synthetic resins different in color from each other. The runners 12a, 12b communicating respectively with the nozzles 17a, 17b on the end of each of said heating cylinders 16a, 16b are arranged in proportion to each charged amount of the cavity 7 to be charged with the above-mentioned synthetic resin and the cavity is charged with the synthetic resin in the above-mentioned heating cylinders 16a, 16b according to the charging distribution. In this manner a plastic product of two-color finish can be molded. |
