Method for unwinding rolls of web material

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

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.

REFERENCES:
patent: 3381913 (1968-05-01), Bachman
patent: 3694928 (1972-10-01), Barta et al.
patent: 4304370 (1981-12-01), Box et al.
patent: 4505699 (1985-03-01), Totani
patent: 4582271 (1986-04-01), Takahashi
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: 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: 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

Affiliated with

Also associated with

Rating

Method for unwinding rolls of web material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for unwinding rolls of web material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for unwinding rolls of web material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2744945