Method to measure tension in a moving web and to control properties of the web

A process for determining the tension in a moving web is provided. The process includes the step of providing a web that is moving at a determined speed. The speed has a determined basis weight. A wave is created in the moving web. The speed of the propagation of the wave is determined. Also, the te...

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Bibliographic Details
Main Authors BEUTHER PAUL D, LIN PHILIP SIM, GUARNOTTA ROBERT PAUL, MULLALLY KEVIN J, SEEWOESTER AMY CHRISTINA, MOORE BRYAN ROBERT
Format Patent
LanguageEnglish
Published 09.11.2004
Edition7
Subjects
ACCESSORIES FOR PAPER-MAKING MACHINES
CALENDERS
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
METHODS OF PRODUCING PAPER THEREON
PAPER-MAKING
PAPER-MAKING MACHINES
PHYSICS
PRODUCTION OF CELLULOSE
TESTING
TEXTILES
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Summary:A process for determining the tension in a moving web is provided. The process includes the step of providing a web that is moving at a determined speed. The speed has a determined basis weight. A wave is created in the moving web. The speed of the propagation of the wave is determined. Also, the tension on the moving web is determined through a mathematical relationship between the wave speed, the basis weight of the web, and the speed of the web. The instability index of the web is greater than or equal to 0.5.
Bibliography:Application Number: US20010027243