D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/06 (2006.01) D21G 9/00 (2006.01) G01N 33/34 (2006.01)
Patent
CA 2363128
The invention relates to a method and an apparatus for measuring properties of a moving web. Web properties are measured with a measuring apparatus where at least one sensor element is arranged to a rotating measuring roll. The measuring roll is in contact with the web to be measured, and the circumferential speed of the measuring roll is arranged to substantially equal the web speed, the web being substantially in non-slipping contact with the measuring roll for an arc of the rotation of the measuring roll.
L'invention porte sur un procédé et un appareil de mesure des caractéristiques d'une bande en mouvement à l'aide d'un appareil dont au moins un détecteur est monté dans un rouleau tournant de mesure. Ledit rouleau, en contact avec la bande à mesurer, est conçu pour que sa vitesse circonférencielle soit sensiblement égale à celle de la bande, la bande étant en contact sensiblement non glissant avec le rouleau sur un arc de sa circonférence.
Metso Paper Automation Oy
Sim & Mcburney
LandOfFree
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