Composite structures and methods of manufacturing such structure

Details Composite structures and methods of manufacturing such structure Composite structures and methods of manufacturing such structure

1993-09-29

1995-09-19

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428120, 428172, 428178, 428260, 428280, 428292, 52630, 264167, 264241, 264257, 264510, B32B 328, D01D 520

Patent

active

054513774

ABSTRACT:
A process for manufacturing stiffened composite skin panel structures possessing novel hollow crown-shaped stiffener elements, and further including any combination of forward spars, aft spars, and transversely extending shear ties. The novel process embraces fabrication and curing of these structures without the use of mandrels. In practicing the method, the crown-shaped stiffeners, spars and shear ties are integrally bonded to a planar or curved skin structure to provide axial stiffness in semimonocoque components such as aircraft wings, stabilizers, fuselages, etc. The method of fabrication yields highly producible, structurally efficient composite aircraft components.

REFERENCES:
patent: 3990080 (1976-11-01), Lundgren et al.
patent: 3995081 (1976-11-01), Fant et al.
patent: 4313991 (1982-02-01), Lamb
patent: 4542055 (1985-09-01), Fitzsimmons

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