METHOD FOR MANUFACTURING INJECTION MOLDED ARTICLE

• Main Authors: MORIMOTO TAKASHI, MINE HIDEO, NISHINO SHOMA
• Format: Patent
• Language: English; Japanese
• Published: 24.09.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide a method for manufacturing an injection molded article having various wood grain patterns.SOLUTION: A method for manufacturing an injection molded article of a cellulosic fiber composite resin by injection molding comprises the steps of: previously arranging a resin insert piece containing a colorant or a cellulosic fiber in a runner part between a sprue and a gate of a mold cavity before injection molding; clamping the mold; injecting the cellulosic fiber composite resin into the mold cavity; and opening the mold to obtain an injection-molded article.SELECTED DRAWING: Figure 1 【課題】多彩な木目模様を有する射出成形品を製造する方法を提供する。【解決手段】射出成形によってセルロース系繊維複合樹脂の射出成形品を製造する方法であって、射出成形前に着色剤又はセルロース系繊維を含む樹脂製インサートピースを金型のキャビティのスプルとゲートとの間のランナー部に予め配置する工程と、金型を型締めする工程と、金型のキャビティにセルロース系繊維複合樹脂を射出する工程と、金型を型開きして、射出成形品を得る工程と、を含む。【選択図】図１