Foam stiffened hollow composite stringer
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United States of America Patent
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Apr 16, 2013
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N/A
app pub date -
Jan 13, 2011
filing date -
Nov 8, 2007
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Abstract
A method and apparatus for a composite stringer. A method is used for manufacturing a hollow composite stringer. Foam is formed with a mandrel installed into the foam. A composite material and the foam is laid up onto a tool in a form of a stringer. The composite material and the foam in the form of the stringer is cured to form a cured stringer. The mandrel from the foam is removed to form the hollow composite stringer.
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