To provide a manufacturing method for a composite rim with high accuracy, excellent yield, and high structural strength.SOLUTION: The manufacturing method of a composite rim has the steps of: forming a semi-molded rim by covering an outer surface of a gas bag 20 with a composite material 10, which is in the form of an annular tube that is completely sealed and contains a thermal expansion material 40 inside; placing the semi-molded rim into the mold; and heating the thermal expansion material, expanding the thermal expansion material to expand the gas bag, and curing and molding the semi-molded rim.SELECTED DRAWING: Figure 4
【課題】精度が高く、歩留まりに優れ、構造強度が高い複合リムの製造方法の提供。【解決手段】本発明は、完全に密閉される環状管形で且つ内部に熱膨張物40が収容されるガス袋20の外面に複合材料10を覆設して半成形リムを形成するステップと、この半成形リムを金型に入れるステップと、該熱膨張物を加熱し、該熱膨張物が膨張して該ガス袋を拡張させ、該半成形リムを硬化成形するステップと、を含む複合リムの製造方法。【選択図】図4
MANUFACTURING METHOD OF COMPOSITE RIM
複合リムの製造方法
2021-01-07
Patent
Elektronische Ressource
Japanisch
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