Method for measuring the flatness of a metal product and associated device

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United States of America

PATENT NO 11235365
APP PUB NO 20180318895A1
SERIAL NO

15773383

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Abstract

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A method and a device that performs the method for measuring the flatness of a metal product traveling on a path, the method includes measuring a first longitudinal tension measurement value (T1) with a measuring roller, determining a model of stress over the thickness of the metal product as a function of plastic or elastoplastic deformation of the product, calculating a correction factor for the longitudinal deformation according to the stress model, calculating a corrective value (T1′, T2′) for the first longitudinal tension measurement value (T1) at at least one evaluation point (M1, M2) as a function of the longitudinal deformation correction factor (Z1), and calculating a corrected flatness measurement value (PC) at at least one of the evaluation points.

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Patent Owner(s)

Patent OwnerAddress
CLECIM S A S41 ROUTE DE FEURS SAVIGNEUX F-42600

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bouby, Bastien Saint Etienne, FR 1 1
Tellier, Dominique Saint Etienne, FR 3 3
Turchet, Florian Saint Chamond, FR 1 1

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