Method for determination of an irreversible stretch and of a...

Details Method for determination of an irreversible stretch and of a... Method for determination of an irreversible stretch and of a...

G - Physics

01

N

G01N 33/34 (2006.01) B65H 77/00 (2006.01) D21G 9/00 (2006.01) G01N 3/08 (2006.01)

Patent

CA 2321726

The invention concerns a method for determination of an irreversible stretch and of a dynamic modulus of elasticity from a paper web (W). In the method, the irreversible stretch and the dynamic modulus of elasticity are determined from the paper web (W) by means of on-line measurement. The invention also concerns a method in which the quantities that have been determined are employed in the control of the papermaking process.

L'invention concerne un procédé permettant de déterminer un étirement irréversible et un module d'élasticité dynamique d'une bande continue de papier (W). Ce procédé consiste à déterminer, par mesure directe, l'étirement irréversible et le module d'élasticité dynamique d'une bande continue de papier (W). L'invention concerne également un procédé dans lequel les quantités ainsi déterminées sont utilisées pour la commande du processus de fabrication de papier.

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