Honeycomb spliced multilayer foam core aircraft composite parts

Details Honeycomb spliced multilayer foam core aircraft composite parts Honeycomb spliced multilayer foam core aircraft composite parts

1986-04-28

1987-08-18

Massie, Jerome

Stock material or miscellaneous articles

Sheet including cover or casing

Including elements cooperating to form cells

156252, 1563031, 1563073, 1563077, 428 76, 428117, 428138, 428218, 4283159, 4283166, B32B 326, B32B 3120

Patent

active

046876910

ABSTRACT:
Aircraft composite components having foam cores comprising at least two foam sheets joined with a sheet of honeycomb to form a foam-honeycomb-foam sandwich. The layers of sheet foam are in contact with each other and the honeycomb cells extend a substantially equal depth into and generally perpendicular to the sheet foam layers. The composite component has increased shear strength. The aircraft composite component can be made by aligning a layer of honeycomb between and generally perpendicular to two layers of sheet foam. A compressive force is applied generally perpendicular to at least one layer of sheet foam so that the honeycomb cells penetrate each of the two layers of sheet foam to a substantially equal depth so that the layers of foam contact each other to form a foam-honeycomb-foam sandwich. The foam core is surrounded by resin impregnated fibers and cured.

REFERENCES:
patent: 3249659 (1966-05-01), Voelker
patent: 3578526 (1971-05-01), Harding
patent: 3650863 (1972-03-01), Klinkosch
patent: 3998219 (1976-12-01), Mercer et al.
patent: 4042746 (1977-08-01), Hofer
patent: 4132042 (1979-01-01), DiMaio
patent: 4351870 (1982-09-01), English
patent: 4409054 (1983-10-01), Ryan
patent: 4594120 (1986-06-01), Bourland et al.
patent: 4598008 (1986-07-01), Vogt et al.

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