Method for sorting wastepaper

B - Operations – Transporting – 07 – C

Patent

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Details

B07C 5/342 (2006.01) B07C 5/36 (2006.01)

Patent

CA 2235665

The invention concerns a method for the separation of used paper and used cardboard, whereby these are separated while they are being transported on a sorting line, lying in disorder. In order to automate the process and to relieve the worker charged with manual separation from his monotonous task, it is provided that the used paper and the used cardboard are irradiated with light of optionally varying wavelength in order to determine the exact position of the cardboard fractions to be separated, which can then mechanically be separated.

L'invention porte sur une méthode pour la séparation de vieux papier et de vieux carton, la méthode permettant de les séparer tandis qu'ils sont transportés sur une chaîne de tri où ils se trouvent pêle-mêle. Pour automatiser le procédé et libérer de sa tâche monotone l'employé chargé de la séparation manuelle, on irradie le vieux papier et le vieux carton avec une lumière de longueur d'onde optionnellement variable en vue de déterminer la position exacte des morceaux de carton à séparer, lesquels peuvent ensuite être séparés mécaniquement.

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