Perforated-core composite panel, device and method for...

Details Perforated-core composite panel, device and method for... Perforated-core composite panel, device and method for...

B - Operations, Transporting

32

B

B32B 5/02 (2006.01) B32B 5/06 (2006.01) B32B 5/28 (2006.01) D04H 13/00 (2006.01) D04H 18/00 (2006.01) B60R 13/08 (2006.01)

Patent

CA 2719038

The invention relates to a composite panel (1), comprising two fibrous plies (21) and a core (3) placed in the intervening volume between the plies (21) and connected together by a solidified binding material (22), characterized in that openings (6) are made in the core (3), via at least one of its faces (31; 32), so as to exclusively receive solidified binding material (22). The invention also relates to a device and to a method for manufacturing such a composite panel. Use for inexpensively producing particularly strong composite panels, with the possibility of having a very wide range of options as regards the constituents of the core and of the fibrous plies.

Image L'invention concerne un panneau composite (1), comprenant deux nappes fibreuses (21), et une âme (3) placée dans le volume intercalaire entre les nappes (21) et reliée à celles-ci par une matière liante solidifiée (22), caractérisé en ce que des évidements (6) sont conformés dans l'âme (3), par au moins l'une de ses faces (31; 32), pour recevoir exclusivement de la matière liante solidifiée (22). L'invention concerne également un dispositif ainsi qu'un procédé pour fabriquer un tel panneau composite. Utilisation pour réaliser de façon économique des panneaux composites particulièrement résistants, avec des possibilités de choix très étendues pour les constituants de l'âme et des nappes fibreuses.

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