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US 10,293,558 B2Granted
Composite material molded article and method of producing same
AssigneeNissan Motor Co., Ltd.
InventorTakeshi Yoshida
Life of this patent
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Abstract
A method of producing a composite material molded article includes enclosing a core fiber base material formed from unwoven fabric in a molding tool with the core fiber base material placed between a first reinforcing fiber base material and a second reinforcing fiber base material, injecting matrix resin into the first and second reinforcing fiber base materials in the molding tool, and injecting foamable resin into the core fiber base material in the molding tool.
Claims1
A method of producing a composite material molded article, comprising:
- enclosing a core fiber base material formed from unwoven fabric in a molding tool with the core fiber base material placed between a first reinforcing fiber base material and a second reinforcing fiber base material;
- injecting matrix resin into the first and second reinforcing fiber base materials in the molding tool;
- and
- injecting foamable resin into the core fiber base material in the molding tool,
- wherein the injecting foamable resin starts after the injecting matrix resin starts.
2 more elements
Dependencies are inferred from the claim text.