Composite wood product and method for making the wood product

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 21/14 (2006.01) B27D 1/00 (2006.01) B27D 5/00 (2006.01) B27G 11/00 (2006.01)

Patent

CA 2586523

A composite wood product and its method of manufacture. The wood product comprises aligned, substantially straight wood strands cut from veneer, disposed side by side lengthwise in substantially parallel relationship with adhesive bonding together the strands. The product is produced in a billet having a width in the range of about 3 ft. to12 ft. and with a thickness in the range of about 1.1 inches to 2 inches. The strand ends are distributed in a specific pattern that approximates maximizing the minimum distance between strand ends. The wide sides of the billet are coated with a dark colored resin. The billet may be sawn lengthwise into sizes used for joists and rafters. Such a sawn product (e.g. 1.5" by 9.25") has the wide sides a dark resin color and the narrow sawn sides mostly wood colored. The strands are parallel to its length.

L'invention concerne un produit en bois composite et son procédé de fabrication. Ce produit en bois comprend des brins de bois sensiblement droits alignés coupés à partir d'un bois de placage et disposés côte à côte dans le sens de la longueur en relation sensiblement parallèle, un adhésif collant ces brins ensemble. Ce produit est formé en une billette présentant une largeur comprise entre environ 3 pieds et 12 pieds et une épaisseur comprise entre environ 1,1 pouce et 2 pouces. Les extrémités des brins sont réparties selon un motif spécifique permettant de maximiser la distance minimale entre les extrémités des brins. Les faces larges de la billette sont revêtues d'une résine foncée. La billette peut être sciée dans le sens de la longueur selon des dimensions données en vue d'une utilisation comme poutrelles et chevrons. Le produit scié (par ex., 1,5 pouce sur 9,25 pouces) se caractérise en ce que ses faces larges sont de couleur résine foncée et ses faces sciées étroites sont essentiellement de couleur bois. Les brins sont parallèles à sa longueur.

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