Composite material lattice elements

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including interlaminar mechanical fastener

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Details

428245, 428292, 4283133, B32B 320

Patent

active

055675093

ABSTRACT:
For producing connections made from composite material for structures having at least two hollow or non-hollow bars, interconnected by at least one hollow connecting joint, separate production takes place of blanks of said different parts with the definitive shapes, but in which the impregnation resin for the assembly of said blanks has not yet been introduced, after which they are assembled by thermosetting resin transfer molding, so as to produce the resin matrix of the connecting joint or the complete structure at the same time as the assembly. The blanks of the connecting joints are obtained by compressing a planar textile complex formed from hot preformable textile fibers between a cavity of a shaping mold and a countermold, by cutting and folding down onto the countermold the overlap parts and performing a thermal preforming cycle.

REFERENCES:
patent: 5019312 (1991-05-01), Bishop
patent: 5045251 (1991-09-01), Johnson
patent: 5431870 (1995-07-01), Andre

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