Title:
AN APPARATUS FOR UNWINDING ROLLS OF WEB MATERIAL
Document Type and Number:
WIPO Patent Application WO2004037695
Kind Code:
A3
Abstract:
A method and apparatus for unwinding a vertically oriented roll (10) of web material (11) is disclosed. The roll (10) 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 (10), 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.
Inventors:
MCNEIL KEVIN BENSON
BYRNE THOMAS TIMOTHY
BYRNE THOMAS TIMOTHY
Application Number:
PCT/US2003/034152
Publication Date:
July 08, 2004
Filing Date:
October 23, 2003
Export Citation:
Assignee:
PROCTER & GAMBLE (US)
International Classes:
B65H19/18; B65H23/182; (IPC1-7): B65H23/182
Foreign References:
| US4290561A | 1981-09-22 | |||
| US4848694A | 1989-07-18 | |||
| GB2240409A | 1991-07-31 | |||
| DE962037C | 1957-04-18 | |||
| US3942081A | 1976-03-02 | |||
| GB1316817A | 1973-05-16 |
Other References:
See also references of EP 1554204A2
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