Precursor for fiber reinforced foam structure

Details Precursor for fiber reinforced foam structure Precursor for fiber reinforced foam structure

B - Operations, Transporting

29

C

B29C 70/02 (2006.01)

Patent

CA 2642185

A precursor of a fiber reinforced foam structure includes a base veil having between about 50 and about 75 weight percent reinforcement fibers and between about 50 and about 25 weight percent veil binder. The base veil has a weight per unit area of between about 35 and about 400 g/m2. Further the base veil is impregnated with an expandable binder in an amount of between about 20 to about 200 g/m2.

L'invention concerne un précurseur d'une structure de mousse à renfort de fibres, comprenant un voile de base contenant entre environ 50 et environ 75 pour cent en poids de fibres de renfort et entre environ 50 et environ 25 pour cent en poids de liant. Le voile de base a un poids par unité de surface compris entre environ 35 et environ 400 g/m2. Le voile de base est également imprégné d'un liant expansible en une quantité comprise entre environ 20 et environ 200 g/m2.

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