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Impregnated fiber precursors and methods and systems for producing impregnated fibers and fabricating composite structures

  • US 20040119188A1
  • Filed: 12/20/2002
  • Published: 06/24/2004
  • Est. Priority Date: 12/20/2002
  • Status: Abandoned Application
First Claim
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1. A method of forming a fiber system for use in the fabrication of composite structures, the method comprising:

  • providing a matrix precursor in the form of a first matrix component and at least a second, different but cooperative matrix component, the first and at least a second matrix components formulated to form, when commingled, a stoichiometrically effective matrix enabled to cure and harden;

    providing at least two tows of fibers;

    applying to at least a first tow of the at least two tows of fibers a first matrix component comprising a substantially uncatalyzed resin component; and

    applying to at least a second tow of the at least two tows of fibers at least a second matrix component comprising a substantially unreacted hardener component.

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