发明名称 |
Method for unwinding rolls of web material |
摘要 |
A method and apparatus for unwinding a vertically oriented roll of web material is disclosed. The roll comprises a lower surface, an upper surface and a circumferential surface. The apparatus comprises: at least one drive element adapted to rotate the vertically oriented roll, a sensor adapted to measure a tension of the web, and a controller adapted to adjust a speed of the web according to the tension of the web. The method comprises steps of rotating the roll, determining a desired web tension, and adjusting the speed of the roll according to the desired web tension.
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申请公布号 |
US2004079830(A1) |
申请公布日期 |
2004.04.29 |
申请号 |
US20020280782 |
申请日期 |
2002.10.25 |
申请人 |
MCNEIL KEVIN BENSON;BYRNE THOMAS TIMOTHY |
发明人 |
MCNEIL KEVIN BENSON;BYRNE THOMAS TIMOTHY |
分类号 |
B65H19/18;B65H23/04;B65H23/182;B65H39/16;(IPC1-7):B65H16/04;B65H23/185;B65H23/24 |
主分类号 |
B65H19/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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