Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-10-13
1998-03-10
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156155, 156171, 156173, 156175, 156425, 244 87, B64C 900, B65H 8100
Patent
active
057257094
ABSTRACT:
The invention discloses a method for fabricating a deployable, inflatable aerodynamic control structure for aerospace vehicles which has a desired noncircular or noncylindrical cross-section. In a preferred embodiment, the control structure is configured as an inflatable airfoil and includes a flexible skin and a plurality of internally disposed airfoil-shaped bulkheads or integral rib members that are arranged, spaced apart, in cross-wise fashion along the axial length of the airfoil shaped control structure. The flexible skin is fabricated as a lay up, in ordered sequence, of plural layers of elastomeric rubber material and plural ply layers of resin-impregnated yarns or fabric. The result is a fiber-reinforced pressure membrane that is flexible and compactly foldable. Rib-to-skin cloth attachments are provided to secure the airfoil-shaped integral rib members to the flexible skin whereby one end of each rib-to-skin cloth attachment penetrates the flexible skin being cured in place between elastomeric layers of the filament-reinforced pressure membrane to provide a seamless airtight sealed connection. The number and spacing of the integral rib members determine the amount of deviation from a perfect airfoil structure that is allowed, since the flexible skin will have a tendency to bulge outwardly at regions between adjacent airfoil-shaped integral rib members.
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Advertising, Fiber Innovations Inc., 588 Pleasant Street, Norwood, MA 02062, Date unknown.
Aftergut Jeff H.
Groth Henry
Lockheed Missiles & Space Co., Inc.
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