Method of selecting and/or processing wood according to...

G - Physics – 01 – N

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G01N 33/46 (2006.01) G01N 29/07 (2006.01) G01N 29/44 (2006.01)

Patent

CA 2342167

The invention provides a method for predictively assessing one or more characteristics of wood fibre or wood pulp produced from solid wood. The method comprises the steps of determining the velocity of sound through the solid wood, and assessing characteristic(s) of wood fibre or wood pulp produced from the wood by reference to the velocity of sound through the solid wood. The method may also comprise the steps of causing a sound wave to be transmitted through the wood, determining the velocity of the sound wave through the wood, and comparing the result to stored information on fibre characteristic(s) versus sound velocity through the wood-type to determine the fibre characteristic(s) for the wood.

L'invention porte sur un procédé visant à déterminer de manière prédictive une ou plusieurs caractéristiques de fibre ligneuse ou de pâte de bois obtenues à partir du bois massif. Le procédé consiste à déterminer la vitesse du son dans le bois massif, puis une ou des caractéristiques de fibre ligneuse ou de pâte de bois en se référant à la vitesse du son dans le bois massif. Le procédé consiste également à générer une onde sonore qui sera transmise dans le bois, déterminer la vitesse de l'onde sonore et comparer le résultat avec les informations stockées concernant la ou les caractéristiques de la fibre par rapport à la vitesse du son dans le type de bois de façon à déterminer cette ou ces caractéristiques.

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