RESIN-INJECTION MOLDED ARTICLE AND METHOD FOR MANUFACTURE THE SAME

• Main Authors: SUKENOBU NORIYASU, NAKAMURA HARUHIKO, MIYAMOTO TSUGUHISA, MURAI MAKOTO
• Format: Patent
• Language: English; Japanese
• Published: 09.01.2020
• 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 resin-injection molded article having a good appearance by suppressing occurrence of sink marks on a surface of the resin-injection molded article.SOLUTION: A resin injection molded product (1) has an impregnated laminate (5) formed by lamination of a plurality of fiber sheets (9), and a matrix resin (7) cured while impregnating the impregnated laminate. The matrix resin covers the surface of the impregnated laminate to form a resin surface layer (31). Recesses (19, 29) are formed in the strand sheets (9) and cross sheets (13) located on the resin surface layer side of the impregnated laminate. A nonwoven fabric (15) is provided between the strand sheets (9) and cross sheets (13) in the impregnated laminate.SELECTED DRAWING: Figure 2 【課題】樹脂注入成形品の表面にヒケが生じるのを抑制し、見栄えの良い樹脂注入成形品を提供する。【解決手段】複数枚の繊維シート（９）が積層されてなる被含浸積層体（５）と、被含浸積層体に含浸した状態で硬化されたマトリックス樹脂（７）とを備え、マトリックス樹脂が被含浸積層体の表面を覆って樹脂表層（３１）を形成し、被含浸積層体のうち樹脂表層側に位置するストランドシート（９）およびクロスシート（１３）に凹所（１９，２９）が形成されている樹脂注入成形品（１）において、被含浸積層体におけるストランドシート（９）とクロスシート（１３）との間に不織布（１５）が設けられている。【選択図】図２