Laminated wood beam product and method

B - Operations – Transporting – 27 – M

Patent

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B27M 1/08 (2006.01) B27B 1/00 (2006.01) B27M 3/00 (2006.01) E04C 1/00 (2006.01) E04C 2/24 (2006.01) E04C 3/14 (2006.01) E04C 3/29 (2006.01)

Patent

CA 2225350

Two half-logs (10 and 12), two lumber planks (10 and 12), or a combination of both half-logs and lumber planks are superposed on each other and adhesively joined, using adhesive (22), to form an intermediate assembly (24). Intermediate assembly (24) is then divided by one or more beam-long cuts made perpendicularly to the flat surfaces (14, 16, 18 and 20) of the two elongated half-logs, two lumber planks, or combination of both half-logs and lumber planks. Resulting sections (28 and 30) are substantially mirror-images of each other and are reoriented so that their outer edges, when part of intermediate assembly (24), now face each other. Also, resulting sections (28 and 30) are reoriented in such a way that space (32) remains between them. Various spacing elements or bracing elements are selectively chosen to connect resulting sections (28 and 30) to form a laminated, space-containing, wood-beam structure on which surface covering sheathing (50) or coatings may be applied.

Deux demi-grumes (10 et 12), deux planches de bois (10 et 12) ou une combinaison des deux sont superposées et assemblées par collage au moyen d'une colle (22) afin de former un ensemble intermédiaire (24). Cet ensemble intermédiaire (24) est ensuite divisé par au moins une découpe pratiquée dans la longueur de la poutre, perpendiculairement aux surfaces plates (14, 16, 18 et 20) des deux demi-grumes allongées, des deux planches de bois ou de la combinaison des deux. Les sections obtenues (28 et 30) sont pratiquement la réplique l'une de l'autre et sont réorientées de façon à ce que leurs bords externes, faisant partie de l'ensemble intermédiaire (24), soient opposés. Les sections obtenues (28, et 30) sont également réorientées de manière à conserver entre elles un espace (32). Divers éléments d'espacement ou éléments d'écartement sont sélectionnés de façon à raccorder les sections obtenues (28 et 30) et former une structure de type poutre en bois, renfermant un espace, stratifiée, sur la surface de laquelle des revêtements (50) peuvent être appliqués.

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