Winding – tensioning – or guiding – Tension control or brake – Supply controlled
Reexamination Certificate
2008-07-01
2008-07-01
Rivera, William A. (Department: 3654)
Winding, tensioning, or guiding
Tension control or brake
Supply controlled
C242S563000
Reexamination Certificate
active
07392960
ABSTRACT:
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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Byrne Thomas Timothy
McNeil Kevin Benson
Mattheis David K.
Meyer Peter D.
Rivera William A.
The Procter & Gamble & Company
Zea Betty J.
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