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Apparatus and methods for forming composite stiffeners and reinforcing structures

  • US 20050056362A1
  • Filed: 07/30/2004
  • Published: 03/17/2005
  • Est. Priority Date: 08/01/2003
  • Status: Active Grant
First Claim
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1. A method of forming an elongated composite structural member, the method comprising:

  • providing a substantially elongated mandrel having an exterior surface exhibiting a desired geometry;

    laying up a first ply of preimpregnated fiber reinforced material over the mandrel;

    applying a force to the first ply to establish a desired amount of tension within the first ply;

    pressing the first ply onto the mandrel in a conformal manner including passing at least one roller over the mandrel and the first ply while maintaining the desired amount of tension within the first ply, the at least one roller being at least partially complementary in shape with the mandrel.

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