Method and equipment for measuring tension of moving web

Details Method and equipment for measuring tension of moving web Method and equipment for measuring tension of moving web

G - Physics

01

L

G01L 5/04 (2006.01)

Patent

CA 2414507

A method and equipment for measuring the tension of a moving web. The tension of the moving web is measured by means of a measuring element provided with a guide surface which the moving web is guided to pass such that the web forms an air cushion of the air it carries between the web and the guide surface. Measuring devices are arranged at a distance from one another in connection with the measuring element in the cross direction of the web for measuring a variable representing the tension of the moving web. The measuring element is moved back and forth in the cross direction of the web such that the tension profile of the web is measured at least on a part of the web width by means of the measuring devices arranged in connection with the measuring element.

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