Method for the colour identification of hollow articles

G - Physics – 01 – J

Patent

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Details

G01J 3/46 (2006.01) B07C 5/342 (2006.01) G01J 3/51 (2006.01) G01N 21/25 (2006.01)

Patent

CA 2240921

Method for the colour identification of hollow bodies of plastics material comprising carrying out measurements of reflectance in spectrum bands respectively of short, medium and long wavelengths and associating to each colour sets of three reflectance values characteristic of that colour.

La présente invention a pour objet un procédé de spectrophotométrie d'articles creux en plastique comportant le mesurage de la réflectance en bandes spectrales de courte, de moyenne et de grande longueur d'onde, respectivement, pour ensuite associer à chaque jeu de couleurs trois valeurs de réflectance caractéristiques de cette couleur.

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