发明公开
EP1456618A2 APPARATUS AND METHOD TO MEASURE TENSION IN A MOVING WEB AND TO CONTROL PROPERTIES OF THE WEB
审中-公开
织物的设备和方法张力测量IN A MOBILE组织控件属性
- 专利标题： APPARATUS AND METHOD TO MEASURE TENSION IN A MOVING WEB AND TO CONTROL PROPERTIES OF THE WEB
- 专利标题（中）： 织物的设备和方法张力测量IN A MOBILE组织控件属性
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申请号： EP02805517.6申请日： 2002-11-12
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公开(公告)号： EP1456618A2公开(公告)日： 2004-09-15
- 发明人: BEUTHER, Paul, D. , SEEWOESTER, Amy, Christina , GUARNOTTA, Robert, Paul , MOORE, Bryan, Robert , LIN, Philip, Sim , KOWALSKI, Christopher, S. , MULLALLY, Kevin, J.
- 申请人： KIMBERLY-CLARK WORLDWIDE, INC.
- 申请人地址： 401 North Lake Street Neenah, Wisconsin 54956 US
- 专利权人： KIMBERLY-CLARK WORLDWIDE, INC.
- 当前专利权人： KIMBERLY-CLARK WORLDWIDE, INC.
- 当前专利权人地址： 401 North Lake Street Neenah, Wisconsin 54956 US
- 代理机构： Davies, Christopher Robert
- 优先权： US27243 20011220; US27244 20011220
- 国际公布： WO2003054497 20030703
- 主分类号： G01L5/04
- IPC分类号： G01L5/04
摘要：
A process and apparatus 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. The apparatus includes an air pulse for applying a pulse of fluid to the web to create a wave in the web. At least two laser displacement transducers are present. The laser displacement transducers measure the displacement of the web as the wave moves through the web. A computer is present which obtains signals from the at least two laser displacement transducers. The computer calculates the instability index in the web based on the speed of the wave in the web and the speed of the web.
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