Method for unwinding rolls of web material

Details Method for unwinding rolls of web material Method for unwinding rolls of web material

2007-10-25

2008-12-30

Rivera, William A (Department: 3654)

Winding, tensioning, or guiding

Tension control or brake

Supply controlled

C242S563000

Reexamination Certificate

active

07469855

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.

REFERENCES:
patent: 3381913 (1968-05-01), Bachman
patent: 3694928 (1972-10-01), Barta et al.
patent: 4123314 (1978-10-01), Sundin
patent: 4304370 (1981-12-01), Box et al.
patent: 4505699 (1985-03-01), Totani
patent: 4590746 (1986-05-01), Humphrey
patent: 4693433 (1987-09-01), Martin
patent: 4848694 (1989-07-01), Julian
patent: 4979692 (1990-12-01), Julian
patent: 5005335 (1991-04-01), Yourgalite et al.
patent: 5097688 (1992-03-01), Taylor et al.
patent: 5123607 (1992-06-01), Jones
patent: 5315461 (1994-05-01), Todd
patent: 5417783 (1995-05-01), Boreali et al.
patent: 5451011 (1995-09-01), Frost
patent: 5464143 (1995-11-01), Hansen
patent: 5480085 (1996-01-01), Smithe et al.
patent: 5573231 (1996-11-01), Stab
patent: 5698060 (1997-12-01), Long
patent: 5730389 (1998-03-01), Biagiotti
patent: 5803393 (1998-09-01), Julian
patent: 5842664 (1998-12-01), Akerlund
patent: 5887816 (1999-03-01), Jones
patent: 5906333 (1999-05-01), Fortuna et al.
patent: 5908169 (1999-06-01), Brinkmeier
patent: 5934604 (1999-08-01), Klimek
patent: 6030496 (2000-02-01), Baggot et al.
patent: 6051095 (2000-04-01), Butterworth
patent: 6119971 (2000-09-01), Jones
patent: 6595454 (2003-07-01), Roba et al.
patent: 6824032 (2004-11-01), Kumatori
patent: 6881289 (2005-04-01), Borderi et al.
patent: 6978816 (2005-12-01), Byrne et al.
patent: 7028940 (2006-04-01), McNeil et al.
patent: 7128795 (2006-10-01), Byrne et al.
patent: 7392961 (2008-07-01), McNeil et al.
patent: 29 48 662 (1981-06-01), None
patent: 197 11 509 (1998-10-01), None
patent: 0 648 699 (1995-04-01), None
patent: WO 01/64559 (2001-09-01), None
patent: WO 01/64562 (2001-09-01), None

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