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US4936141A On-line paper sheet strength determination method and device 失效
在线纸张强度测定方法及装置

On-line paper sheet strength determination method and device
摘要:
A method and device for determining the strength of a sheet material, such as paper, utilizing floc size and the variability of the local basis weight of the sheet. The force required to deflect the moving sheet out of a nominal position, the distance the sheet is deflected by said force and the average tension applied to the sheet may also be utilized in the above determination of sheet strength.
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