F - Mech Eng,Light,Heat,Weapons – 16 – S
Patent
F - Mech Eng,Light,Heat,Weapons
16
S
F16S 3/02 (2006.01) B29C 65/46 (2006.01) E04C 3/29 (2006.01) B64C 1/12 (2006.01)
Patent
CA 2419444
A preformed component or "preform" (11) for a structural member has a planar base with two longitudinal legs (15, 17) extending in parallel from the base (13). A channel (19) is defied between the legs (15, 17) for insertion of a plat panel (31) that forms the web of the structural member. The preform (11) is a composite material having continuous filaments of woven or braided fiber (21). The preform (11) is impregnated with a thermoset resin that bonds the web of the flange of the structural member. The perform (11) provides excellent structural support even if the web of the flange are formed from dissimilar materials such as metallic and composite. The resin is structurally reinforced with oriented fibers in such a manner as to provide coupling strength between the joined members.
Un élément préformé ou préforme "d'élément structural" possède une base plane depuis laquelle s'étendent deux montants longitudinaux parallèles. Un canal est défini entre ces montants afin d'insérer un panneau plat constituant l'âme de l'élément structural. Cette préforme consiste en un matériau composite possédant des filaments continus de fibres tissées ou tressées. Cette préforme est imprégnée par une résine thermodurcie collant l'âme à la bride de l'élément structural. La préforme constitue un support structural excellent, même si l'âme et la bride sont fabriquées en matériau différent, tel que du métal et un matériau composite. La structure de la résine est renforcée par des fibres orientées de façon à produire une résistance à l'accouplement entre les éléments joints.
Mckague Elbert Lee Jr.
Schmidt Ronald P.
Finlayson & Singlehurst
Lockheed Martin Corporation
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