B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/08 (2006.01) B29C 70/34 (2006.01) F02K 1/64 (2006.01)
Patent
CA 2564617
The invention relates to a method for production of discontinuous elements, such as thrust-reverser cascade vanes, from a continuous premix. The premix (8), containing at least one layer of unidirectional continuous fibres (11) and a filler (9), is arranged in the large dimension of said elements (X-X1). The semi-finished product thus obtained is made up of parts (12a-12c) which will provide said elements and sheets of material (13a,13b) which will be subsequently removed.
Le procédé consiste à fabriquer des éléments discontinus, tels que des ailettes de cascade pour inverseur de poussée, à partir d'un prémix continu. A cet fin, le prémix (8) qui renferme au moins une couche de fibres continues unidirectionnelles (11) et un matériau de remplissage (9) est orienté dans le sens de la grande dimension (X-X1) desdits éléments. Le produit semi-fini obtenu se compose de parties (12a-12c) qui donneront les éléments en cause et de voiles de matière (13a,13b) qui seront ensuite éliminés.
D'inca Alain
Jumel Jean-Pierre
Morel Caroline
Aircelle
Goudreau Gage Dubuc
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