A core material for closed mould systems

Details A core material for closed mould systems A core material for closed mould systems

B - Operations, Transporting

29

C

B29C 44/12 (2006.01) B29C 45/14 (2006.01) B29C 70/66 (2006.01) B32B 5/18 (2006.01) B32B 5/26 (2006.01) C08J 9/00 (2006.01) D06M 23/04 (2006.01) D06N 3/00 (2006.01) D04H 1/42 (2006.01) D04H 1/68 (2006.01)

Patent

CA 2292375

The invention is concerned with a core material suitable for use in closed mould systems, based on at least one fibrous web containing a foam-structure within the web, said core material having a compression-resistance of greater than 90% at 1 bar pressure, and a permeability for resin of more than x 10 -9 m2.

L'invention concerne un matériau de noyau pouvant être utilisé dans des systèmes de moules fermés, basé sur au moins un voile fibreux contenant une structure de mousse dans le voile, ledit matériau de noyau ayant une résistance à la compression de plus de 90 % sous une pression de 1 bar, et une perméabilité à la résine de plus de x 10 -9 m2.

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