B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 3/06 (2006.01) B27N 3/00 (2006.01) B27N 7/00 (2006.01) B29C 47/90 (2006.01) B44C 1/22 (2006.01) B44F 9/02 (2006.01)
Patent
CA 2196264
The present invention provides a method for forming a pattern on a synthetic wood board to form, on a surface of the synthetic wood board, a pattern such as wooden grain and the like which is close to natural wood, to enhance the reality of woody like appearance. The synthetic wood board is formed by mixing 35- 80 wt% of thermoplastic resin material and 20- 65 wt%. By a first grinding process, the synthetic wood board is formed at its entire surface of at least one side thereof with a large number of wound stripes in one direction. By a colorant coating process, a colorant is coated on the surface on which said wound stripes are formed, the colorant impregnates in wood meal on the surface to generate blur. And some colorant remain in recessportion of the wound stripes to form recess pigment layer. By a second grinding process, the entire surface on which the colorant is coated is ground and abraded except the recess pigment layer to form a large number of the wound stripes, thereby forming a pattern having woody like appearance. By a woody grain printing process, a woodygrain pattern is printed on the abraded surface. With these process, a pattern having woody like appearance is formed by synergism of the pattern and woody grain pattern.
L'invention concerne une méthode permettant de former à la surface d'un panneau de bois synthétique un motif imitant notamment le grain du bois naturel et de rehausser ainsi l'aspect du panneau synthétique. Celui-ci est formé par mélange de 20-65 % en poids/35-80 % en poids de résine thermoplastique. Au cours d'un premier procédé de meulage, le panneau de bois synthétique est formé sur toute la surface d'au moins un de ses côtés au moyen d'un grand nombre de bandes ondulées dans un sens. Au cours d'un procédé d'enduction de colorant, cette surface est revêtue d'un colorant qui s'imprègne dans la farine du bois et crée un flou. Une partie du colorant reste dans les creux des bandes ondulées et forme ainsi une couche de pigment encastrée. Au cours d'un deuxième procédé de meulage, on meule toute la surface enduite de colorant sauf la couche de pigment encastrée, formant ainsi un grand nombre de bandes ondulées, ce qui donne l'aspect du bois naturel. Au cours d'un procédé d'impression de motifs "grain de bois", on imprime le motif sur la surface meulée. La synergie entre les deux motifs donne au panneau son aspect de bois naturel.
Ein Engineering Co. Ltd.
Mcfadden Fincham
LandOfFree
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