Method of fabricating a structural member having a stiffener bea

Details Method of fabricating a structural member having a stiffener bea Method of fabricating a structural member having a stiffener bea

1993-08-09

1994-10-18

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

156196, 156222, 156285, 264313, 264510, B29C 6714

Patent

active

053565860

ABSTRACT:
A method of fabricating a structural member having a stiffener bead therein. Prepreg plies or layers of high tensile strength fabric are laid up on a conformable caul plate. A rubber-like plug is prefabricated to the shape of the stiffener bead and is urged into a stiffener bead cavity of the caul plate by a metal tool to sandwich the prepreg plies between the caul and the plug. The caul and the plug cooperate to cause the prepreg plies to conform to the desired shape of the stiffener bead.

REFERENCES:
patent: 1944280 (1934-01-01), Snyder
patent: 3146148 (1964-08-01), Mitchella et al.
patent: 4053667 (1977-10-01), Smith
patent: 4683099 (1987-07-01), Buxton et al.
patent: 5152949 (1992-10-01), Leoni et al.
patent: 5286438 (1994-02-01), Dublinski et al.
Journal of Aircraft, No. 11, p. 955 (D. R. Tenney et al. "Material and Structures for Hypersonic Vehicles").

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