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method and apparatus for measuring stress in a tape subject to traction and applications, particularly for the measurement of the state of planarita of such tape
method and apparatus for measuring stress in a tape subject to traction and applications, particularly for the measurement of the state of planarita of such tape
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机译:用于测量受到牵引力的胶带中的应力的方法和设备及其应用,尤其是用于测量此类胶带的平面度的状态
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摘要
A method and apparatus for measuring a mechanical characteristic of a band subjected to tension. A disturbance is produced, for example by a hammer, transversely of the band and there is measured the time that the disturbance takes to travel through a predetermined distance along the band. This measurement is related to the value of the tensile stress in the band. In this way planarity defects in the band can be detected by comparison of the times the disturbance takes to travel in different regions of the band.
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