Filament wound composite structure, its tooling and method of ma

Details Filament wound composite structure, its tooling and method of ma Filament wound composite structure, its tooling and method of ma

1991-06-20

1993-04-06

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428120, 428167, 428131, 428132, 428212, 428213, 244119, 52630, B32B 300

Patent

active

052002519

ABSTRACT:
A filament wound composite structure, its tooling and method of manufacture. The isogrid filament wound composite structure is formed having at least one or more pseudo-isotropic laminate zones in its joint regions. This structure is realized through the use of specialized tooling. The ribs of the isogrid filament wound composite structure are discontinued by tapering them out into a thin skin. This is accomplished by gradually widening the grooves in the mandrel while simultaneously decreasing the depth of the grooves. This gradual change in the tooling redistributes the material in the ribs into a thin skin. The fibers that are redistributed into this thin layer, coupled with the skin wound over the top of the ribs, provide the necessary reinforcement in the joints.

REFERENCES:
patent: 4894272 (1992-01-01), Aisley
patent: 5098752 (1992-03-01), Chang et al.

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