Molded wood composites having non-blistering profile with...

B - Operations – Transporting – 27 – N

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Details

B27N 3/12 (2006.01) B27N 3/00 (2006.01) B27N 5/00 (2006.01) E06B 3/70 (2006.01)

Patent

CA 2151989

A molded wood composite article man-made from wood fibers or wood particles on at least an upper, molded surface of the article, and a method of manufacturing the article to include a relatively uniform density, detailed design contours and textured aesthetics on one or more molded depression-interior inclined surfaces, while preventing embrittlement, softness and blistering of the article along the depression-interior inclined surfaces. These attributes are achieved by molding one or more depressions into an initially planar layer of cellulosic material, wherein the molded depressions have one or more inclined walls that have upper surfaces, along essentially an entire inclined span, that include detailed design contours, including adjacent curved and planar portions, e.g., bead and cove.

La présente invention a pour objet un article composite moulé fabriqué à la main à partir de fibres ou de particules de bois, du moins pour ce qui est de la partie supérieure de l'article en question, et méthode pour la fabrication d'un tel article présentant une densité uniforme, des contours détaillés et un fini texturé sur une ou plusieurs de ses surfaces en bas-relief, tout en préservant celles-ci des risques de fragilisation, de ramollissement et de soufflage. Ces caractéristiques sont obtenues par moulage du bas-relief dans une couche de matière cellulosique initialement plane dans laquelle sont moulés des bas-reliefs comportant un ou plusieurs plans inclinés présentant des surfaces supérieures, essentiellement le long d'un plan incliné présentant des contours détaillés avoisinant des parties courbes et des parties planes, des cordons et des gorges, par exemple.

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