B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/14 (2006.01) B29B 11/16 (2006.01) B29C 70/34 (2006.01) B29C 70/46 (2006.01) B29C 70/48 (2006.01) B29C 70/84 (2006.01) B29C 70/86 (2006.01) B29D 12/00 (2006.01) B64C 1/00 (2006.01)
Patent
CA 2110431
DESCRIPTIVE 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 impreg- nation resin for the assembly of said blanks has not yet been introduced, after which they are assembled by thermosetting resin transfer moulding, 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 (10) formed from hot preformable textile fibres between a cavity (18) of a shaping mould (16) and a countermould (2), by cutting and folding down onto the countermould (20) the overlap parts (22) and performing a thermal prefor- ming cycle. (Fig. 2)
Eurocopter
Goudreau Gage Dubuc
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