Method of measuring the quality properties of paper and/or...

Details Method of measuring the quality properties of paper and/or... Method of measuring the quality properties of paper and/or...

D - Textiles, Paper

21

G

D21G 9/00 (2006.01) B65H 26/00 (2006.01) G01N 21/35 (2006.01) G01N 21/89 (2006.01) G01N 33/34 (2006.01)

Patent

CA 2350559

It has already been proposed to register the thickness on a moving web, optical methods without contact being used and the spectra being evaluated by chemometric methods. According to the invention, a staged evaluation method is applied in which, in addition to the basic properties of the paper or board, further properties are determined via multi-stage modeling.

Le recours à des procédés optiques sans contact pour réaliser une mesure d'épaisseur sur une bande de matériau en mouvement et le recours à des procédés chimiométriques pour l'évaluation des spectres sont connus en soi. Selon l'invention, on met en en oeuvre un procédé d'évaluation en plusieurs étapes, selon lequel non seulement les propriétés fondamentales du papier ou du carton mais également d'autres propriétés sont déterminées au moyen d'une modélisation en plusieurs étapes.

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