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STIFFENING ELEMENT AND A METHOD FOR MANUFACTURING OF A STIFFENING ELEMEMT

  • US 20070161483A1
  • Filed: 12/18/2006
  • Published: 07/12/2007
  • Est. Priority Date: 12/20/2005
  • Status: Abandoned Application
First Claim
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1. A method for manufacturing of a stiffening element of composite material, said stiffening element being provided for attachment to a curved shell surface, said stiffening element comprising a web and at least one flange, the outer surface of which has a radius of curvature corresponding with the curvature of said curved shell surface, the method comprising the steps of:

  • providing a substantial flat blank of composite material; and

    folding said blank along a first folding line, the curvature of which is defined by an imaginary three-dimensional intersection line being derived from the radius (R) of curvature of the curved shell surface.

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