REINFORCED FOAM-FILLED COMPOSITE STRINGER
First Claim
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1. A method for manufacturing a composite stringer, the method comprising:
- laying up a composite material and foam with a plurality of structural members within the foam onto a tool in the form of a stringer, wherein the plurality of structural members has a number of orientations to resist a number of loads; and
curing the composite material, the foam in the form of the stringer, and the plurality of structural members to form the composite stringer.
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Abstract
A method and apparatus for manufacturing a composite stringer. A composite material and foam are laid up onto a tool in the form of a stringer. The foam has a plurality of structural members within the foam. The plurality of structural members has a number of orientations to resist a number of loads. The composite material, the foam in the form of the stringer, and the plurality of structural members are cured to form the composite stringer.
133 Citations
24 Claims
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1. A method for manufacturing a composite stringer, the method comprising:
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laying up a composite material and foam with a plurality of structural members within the foam onto a tool in the form of a stringer, wherein the plurality of structural members has a number of orientations to resist a number of loads; and curing the composite material, the foam in the form of the stringer, and the plurality of structural members to form the composite stringer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for forming a composite part, the method comprising:
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forming a foam core having a plurality of structural members, wherein the plurality of structural members has a number of orientations to resist a number of loads; and forming the composite part with a channel in which the foam core is located. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for manufacturing a plurality of composite stringers, the method comprising:
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laying up composite material and foam with a plurality of structural members within the foam onto a plurality of tools to form a plurality of composite stringers, wherein the plurality of structural members has a number of orientations to resist a number of loads; placing the plurality of composite stringers on a single tool; placing a skin ply over the plurality of composite stringers to form a structure; and curing the structure.
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23. An apparatus comprising:
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a composite part having a channel; foam located in the channel; and a plurality of structural members, wherein the plurality of structural members has a number of orientations to resist a number of loads. - View Dependent Claims (24)
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Specification