Foam stiffened hollow composite stringer

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United States of America Patent

PATENT NO 8419402
SERIAL NO

13005786

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Abstract

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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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Patent Owner(s)

  • THE BOEING COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guzman, Juan C Seattle, US 26 501
McCarville, Douglas A Orting, US 63 1486
Rotter, Daniel M Lake Forest Park, US 46 574
VanWest, Barry P Bellevue, US 6 104

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