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FOAM STIFFENED HOLLOW COMPOSITE STRINGER

  • US 20090127393A1
  • Filed: 11/08/2007
  • Published: 05/21/2009
  • Est. Priority Date: 11/08/2007
  • Status: Active Grant
First Claim
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1. A method for manufacturing a hollow composite stringer, the method comprising:

  • forming foam with a mandrel installed into the foam;

    laying up a composite material and the foam onto a tool in a form of a stringer;

    curing the composite material and the foam in the form of the stringer to form a cured stringer;

    removing the mandrel from the foam to form the hollow composite stringer.

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