| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem that a used toner case is left as it is or incinerated heretofore and, even if the used toner case is regenerated as resources, extremely fine toner particles remaining in the toner case are scattered as dust at the time of grinding or crushing required in the regeneration process of the toner case to deteriorate work environment. SOLUTION: A plastic toner case is recovered in such a state that toner remains in the toner case and heated, melted and kneaded to prepare a color raw material used when a colored plastic molded object or a waste plastic molded object is manufactured. |
