A process for making a wood board and the wood board

Details A process for making a wood board and the wood board A process for making a wood board and the wood board

B - Operations, Transporting

27

M

B27M 3/00 (2006.01) B07C 5/14 (2006.01)

Patent

CA 2215890

The process for making a wood board comprises the steps of: a) providing elongated pieces of wood each from a coniferous wood and each having a rectangular cross section; b) detecting an average fiber density of each of the pieces of wood; c) selecting among the pieces of wood those having an average fiber density at least equal to a predetermined fiber density; d) planing off edges of the pieces of wood selected in step c); and e) bonding side by side the pieces of wood planed off in step d) by means of their edges to form the wood board. The board produced thereby shows excellent mechanical characteristics. An advantage of the present invention is to provide a process for making high strength lumber products from coniferous trees which are traditionally considered as nonstructural wood.

Procédé pour la production de pièces de bois de charpente comportant les étapes suivantes : a) introduction de pièces de bois de forme allongée de section transversale rectangulaire et provenant d'arbres résineux; b) détermination de la densité fibreuse moyenne de chacune des pièces; c) sélection des pièces présentant une densité fibreuse moyenne égale ou supérieure à la densité moyenne prédéterminée; d) rabotage des pièces sélectionnées en (c); e) assemblage par collage côte à côte des pièces de bois rabotées en (d) en vue de l'obtention de pièces de bois présentant d'excellentes caractéristiques mécaniques. Le procédé visé dans la présente invention permet de produire des pièces de bois de haute résistance à partir d'arbres résineux, essences traditionnellement proscrites à des fins structurelles.

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