Method and device for determining the tension or the tensile...

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen

Reexamination Certificate

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Reexamination Certificate

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06928882

ABSTRACT:
A method and device for determining the tension, or tensile stress in a metal strip between two bearing points, e.g., between two roll stands, between a roll stand and a coiler, in a breakdown stand, or in front of, or behind a deflection roll. The excursion of the metal strip is measured, and the natural frequency of the metal strip is determined on the basis of the excursion of the metal strip.

REFERENCES:
patent: 3850031 (1974-11-01), Schwenzfeier et al.
patent: 4073007 (1978-02-01), Boivin
patent: 4546656 (1985-10-01), Grundy et al.
patent: 4860212 (1989-08-01), Uesugi
patent: 4928538 (1990-05-01), Burdess et al.
patent: 5878933 (1999-03-01), Laughery
patent: 6079261 (2000-06-01), Makela
patent: 6357301 (2002-03-01), Berghs et al.
patent: 19803260 (1998-01-01), None

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