Method and apparatus for manufacturing woody plate material...

B - Operations – Transporting – 41 – M

Patent

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Details

B41M 1/24 (2006.01) B41M 1/00 (2006.01) B44C 3/08 (2006.01) B44F 9/02 (2006.01)

Patent

CA 2207844

To obtain a woody plate material having an impression of high quality material easily and at a low cost by processing a surface of a woody material, such as a veneer, plywood or a plate material obtained by lumbering, to have a grain pattern and touch which closely resemble a desired natural wood. When embossing a xylem surface pattern such as conduit pipes, and printing a grain pattern such as a cross grain, simultaneously on a surface of a plate-like woody material A1, an embossing roller 3 having a xylem surface pattern which matches a desired grain pattern projected on its surface is used for embossing a concave xylem surface pattern on a surface of the woody material A1 and, simultaneously, the embossed portion is supplied with ink by an ink feeding device, and then, a grain pattern which matches the xylem surface pattern embossed on the surface is printed by a printing roller 8 so as to obtain a woody plate material having a desired grain pattern.

L'invention porte sur une façon de fabriquer facilement et à faible coût un produit ligneux en plaque ayant une impression de grande qualité. Il faut traiter la surface d'un produit ligneux, comme le placage, le contreplaqué ou un produit en plaque obtenu par abattage, pour obtenir un motif et un toucher du grain qui ressemblent de très près à un bois naturel voulu. Lorsqu'il s'agit de gaufrer un motif de surface xylème comme des tuyaux et d'imprimer un motif de grain comme un fil tranché, simultanément sur une surface d'un produit ligneux en plaque A1, un rouleau de gaufrage 3, présentant un motif de surface xylème qui correspond à un motif de grain voulu projeté sur sa surface, est utilisé pour gaufrer un motif de surface xylème concave sur la surface du produit ligneux A1. De plus, la partie gaufrée est recouverte simultanément d'encre par un dispositif d'alimentation en encre. Un motif de grain, correspondant au motif de surface xylème gaufré sur la surface, est ensuite imprimé au moyen d'un rouleau d'impression 8 de façon à obtenir un produit ligneux en plaque ayant un motif de grain voulu.

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