发明名称 |
CONTROLLED VERTICAL AXIS UNWINDING METHOD FOR 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 |
CA2671511(C) |
申请公布日期 |
2012.01.03 |
申请号 |
CA20032671511 |
申请日期 |
2003.10.23 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
MCNEIL, KEVIN BENSON;BYRNE, THOMAS TIMOTHY |
分类号 |
B65H23/182;B65H19/18;B65H23/04;B65H39/16 |
主分类号 |
B65H23/182 |
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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