Reinforcement of cellular materials

Details Reinforcement of cellular materials Reinforcement of cellular materials

B - Operations, Transporting

29

C

B29C 70/24 (2006.01) B29C 70/08 (2006.01)

Patent

CA 2604572

The invention pertains to a method for reinforcing cellular materials (1), a reinforced sandwich construction (5) as well as a correspondingly equipped aircraft. In the method, a cellular material (1) is provided with fiber bundles (3) that are introduced into the cellular material (1) with a needle (8). In this case, the needle (8) initially pierces a through-hole (2) into the cellular material (1) from one side in order to subsequently take hold of a fiber bundle (3) situated on the other side with the needle (8) and pull said fiber bundle into the cellular material (1).

L'invention concerne un procédé de renfort de matériaux alvéolaires (1), une structure en sandwich renforcée (5) ainsi qu'un aéronef équipé de ces derniers. Dans le procédé, des faisceaux de fibres (3) sont introduits dans un matériau alvéolaire (1) à l'aide d'une aiguille (8). Pour cela, l'aiguille (8) perce initialement un trou traversant (2) dans le matériau alvéolaire (1) d'un côté pour saisir ensuite un faisceau de fibres (3) situé de l'autre côté avec l'aiguille (8) et tirer ledit faisceau de fibres dans le matériau alvéolaire (1).

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