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US 11,298,870 B2Granted
Methods for forming composite panels
AssigneeThe Boeing Company
InventorsKaren L. Hills, Lon E. Switzer
Life of this patent
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Abstract
A method of forming a composite panel includes providing an initial composite material, heating the initial composite material, molding the initial composite material to form a preliminary composite panel having a main body connected to an outer edge and a laminate layer secured to the outer edge, and folding an exterior edge portion of the outer edge over an interior edge portion to provide an external folded edge having the laminate layer on at least a portion of an outer surface.
Claims20
A method of forming a composite panel, comprising:
- providing an initial composite material;
- heating the initial composite material;
- molding the initial composite material to form a preliminary composite panel having a main body connected to an outer edge and a laminate layer secured to the outer edge;
- and
- folding an exterior edge portion of the outer edge over an interior edge portion to provide an external folded edge having the laminate layer on at least a portion of an outer surface.
2 more elements
A method of forming a composite panel, comprising:
- providing an initial composite material, wherein said providing comprises forming the initial composite material of a thermoplastic matrix and carbon fibers;
- heating the initial composite material;
- molding the initial composite material to form a preliminary composite panel having a main body connected to an outer edge and a laminate layer secured to the outer edge, wherein said molding comprises co-molding the preliminary composite panel along with the laminate layer;
- folding an exterior edge portion of the outer edge over an interior edge portion to provide an external folded edge having the laminate layer on at least a portion of an outer surface, wherein said folding comprises folding the exterior edge portion along a groove between the exterior edge portion and the interior edge portion;
- and
- subsequently compressing the composite panel after said folding.
3 more elements
Dependencies are inferred from the claim text.