Composite material molded article and method of producing same

Patent metadata

Field	Value
Publication number	US-10293558-B2
Application number	US-201415313305-A
Country	US
Kind code	B2
Filing date	May 26, 2014
Priority date	May 26, 2014
Publication date	May 21, 2019
Grant date	May 21, 2019

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.

First claim

The invention claimed is:

1. 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.

Assignees

• Nissan Motor

Inventors

• Yoshida Takeshi

Classifications

• B32B19/047

  of foam · CPC title

• B32B2250/40

  Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA · CPC title

• B29K2105/0809

  Fabrics · CPC title

• B29C70/345 Primary

  using matched moulds · CPC title

• B32B17/066

  of foam · CPC title