B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/44 (2006.01) B29D 22/00 (2006.01)
Patent
CA 2707802
The present invention provides a method for the production of a tubular structural component. A tubular moulding tool having an inner mould surface which is shaped corresponding to an outer surface of the structural component is provided. A support surface of an expandable support which is formed such that in an unexpanded state, it fills the moulding tool, leaving an expansion spacing of the support surface to the mould surface, is covered with a tubular fibre-woven fabric. After the support has been arranged in the moulding tool, the fibre-woven fabric is pressed against the mould surface by expanding the support and is infiltrated by a curable matrix. From another point of view, a device is provided for the production of a tubular structural component.
L'invention concerne un procédé de fabrication d'un élément structural (100) tubulaire. Un outil de formage (102) tubulaire, ayant une surface intérieure de formage d'une forme correspondante à une surface extérieure (104) de l'élément structurel (100), est produit. Une surface porteuse (108) d'un support expansible (110) qui se présente de sorte que, dans un état non expansé, il remplit l'outil de formage (102) en laissant une distance d'expansion entre la surface porteuse (108) et la surface de formage (106), est recouverte d'une structure fibreuse tubulaire. Après avoir disposé le support (110) dans l'outil de formage (102), la structure fibreuse (114) est comprimée contre la surface de formage (106) par expansion du support (110), et infiltrée par une matrice durcissable (115). L'invention concerne également un dispositif de fabrication d'un élément structurel tubulaire.
Lengsfeld Hauke
Reye Volker
Airbus Operations Gmbh
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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