Impact reinforced composite panel

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 13/02 (2006.01) B32B 5/28 (2006.01) B32B 13/06 (2006.01) B32B 15/16 (2006.01) C04B 28/02 (2006.01) E04C 2/06 (2006.01) E04C 2/28 (2006.01) E04C 2/36 (2006.01) E04H 9/10 (2006.01) F41H 5/04 (2006.01) B28B 23/00 (2006.01) B28B 23/02 (2006.01)

Patent

CA 2487872

A composite panel having front and back faces, the panel comprising facing reinforcement, backing reinforcement and matrix material binding to the facing and backing reinforcements, the facing and backing reinforcements each independently comprising (i) one or more reinforcing sheets and/or (ii) one or more generally planar arrays of longitudinally arranged, spaced apart, reinforcing rods which are interconnected by means for resisting increase of the spacing distance between adjacent rods, at least one rod array (ii) being present in the facing and/or backing reinforcement wherein the means for resisting increase of the spacing distance between adjacent rods is transverse filamentary interlacing of rods in the array, the facing reinforcement being located on or embedded in matrix material adjacent to the front face of the panel, the backing reinforcement being located in a plane or planes substantially parallel to the plane or planes of the facing reinforcement, and being substantially coextensive therewith, and spaced therefrom by matrix material.

L'invention concerne un panneau composite ayant des faces avant et arrière. Ce panneau comprend un renfort avant, un renfort arrière et un matériel de base collé aux renforts avant et arrière. Ces derniers comprennent chacun indépendamment : (i) une ou plusieurs feuilles de renfort et/ou (ii) un ou plusieurs réseaux généralement plans de tiges de renfort espacées longitudinalement qui sont reliées par un moyen permettant de résister à l'augmentation de la distance d'espacement entre les tiges adjacentes, au moins un réseau de tiges (ii) étant présent dans le renfort avant et/ou arrière. Le moyen permettant de résister à l'augmentation de la distance d'espacement entre les tiges adjacentes est un entrelacement filamenteux transversal de tiges du réseau, le renfort avant étant situé sur le matériel de base adjacent à la surface avant du panneau ou encastré dans ledit matériel de base, le renfort arrière étant situé dans un ou plusieurs plans sensiblement parallèles au(x) plan(s) du renfort avant, sensiblement coextensif à ce dernier et séparé de ce dernier par le matériel de base.

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