B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 73/04 (2006.01) B29C 73/32 (2006.01) B32B 3/12 (2006.01) B32B 43/00 (2006.01) B64F 5/00 (2006.01) H01Q 1/42 (2006.01)
Patent
CA 2624019
The invention concerns a method whereby repair portions (6, 20, 21, 22 and 23), set through two core layers (16, 19), for example with honeycomb structure and three polymer skins (2, 3, 17) two of which being outer skins and the third an intermediate skin interposed between the two core layers to provide a composite structure, are installed and the polymer is vacuum hardened. An backing block (8) is pressed on one of the skins (2) to ensure a good appearance and a good surface quality. The invention is characterized in that vents (24) are provided through the intermediate skin (21) and optionally through the skin (2) receiving the anvil form for proper degassing of the underlying cellular core (20).
Les portions de réparation (6, 20, 21, 22 et 23), établies à travers deux couches d'âme (16, 19), par exemple en nid d'abeille et trois peaux (2, 3, 17) en polymère, dont deux peaux externes et une peau médiane intercalée entre les couches d'âme pour donner une structure composite, sont installées et le polymère est durci sous vide. Une contre-forme (8) est appuyée sur une des peaux (2) pour garantir un bon aspect et une bonne qualité de surface. Selon l'invention, des évents (24) sont prévus à travers la peau médiane (21) et éventuellement à travers la peau (2) recevant la contre-forme pour un bon dégazage de l'âme alvéolaire sous-jacente (20).
Bernus Christophe
Fournie Jacques
Marty Jean-Claude
Airbus France
Airbus Operations Sas
Goudreau Gage Dubuc
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