B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 3/00 (2006.01) B27N 1/00 (2006.01)
Patent
CA 2259926
Consolidated composite wood products are produced by waferizing wet wood to produce wet green strands and processing the wet green strands by application of adhesive and formation of a lay-up mat for consolidation prior to drying. The lay-up mat is dried in mat form under conditions that maintain the applied adhesive to condition it for the subsequent consolidation step wherein heat and pressure are applied to form a consolidated composite wood product. Preferably, the mat will be formed by orienting the strands to have their longitudinal axes substantially parallel to the longitudinal axis of the product and then the product will be remaned to produce lumber products with the longitudinal axis substantially parallel to the longitudinal axis of the product.
On fabrique des produits du bois composites consolidés en découpant en plaques du bois mouillé de façon à obtenir des fibres vertes mouillées, puis on traite celles-ci par encollage et formation d'un mat à couches superposées, en vue d'une consolidation avant séchage. On sèche ledit mat sous forme de mat dans des conditions maintenant l'encollage, afin de le conditionner pour l'étape suivante de consolidation, durant laquelle on applique de la chaleur et de la pression de façon à former un produit du bois composite consolidé. De préférence, on forme le mat en orientant les fibres de façon que leurs axes longitudinaux soient sensiblement parallèles à l'axe longitudinal du produit, puis on transforme ce dernier afin d'obtenir du bois d'oeuvre ayant un axe longitudinal sensiblement parallèle à l'axe longitudinal du produit.
Macmillan Bloedel Limited
Smart & Biggar
Weyerhaeuser Company Limited/compagnie Weyerhaeuser Limitee
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