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Composite material-stiffened panel and manufacturing method thereof

  • US 7,074,474 B2
  • Filed: 11/21/2003
  • Issued: 07/11/2006
  • Est. Priority Date: 12/22/2000
  • Status: Expired due to Term
First Claim
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1. A composite material-stiffened panel, comprising:

  • a skin of fiber-reinforced resin composite material;

    stiffeners with flange portions arranged in rows on one surface of said skin; and

    a fiber-reinforced resin-composite material covering that covers at least some of said stiffeners and said covering being stitched on said skin along flange portions of said stiffeners in a longitudinal direction of said stiffeners and wherein said covering is only stitched to said skin in regions where there is covering contact with said skin.

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