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Class Information
Number: 242/420.6
Name: Winding, tensioning, or guiding > Tension control or brake > Supply controlled > Supply coil drive control > Electrical control circuit > Slackness sensor
Description: Subject matter wherein the energy regulating network is adjusted by a detector responsive to the degree of sag or stress in the elongated material being unwound from the supply coil.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8276838 General winding and feeding apparatus Oct. 2, 2012
8205819 Automated dereeler Jun. 26, 2012
8002214 Rolled medium holding device holding a rolled medium at both ends and a recording apparatus including the rolled medium holding device Aug. 23, 2011
7484682 Operating a tape drive during and after a transition to a stand-by mode Feb. 3, 2009
7469855 Method for unwinding rolls of web material Dec. 30, 2008
7458538 Unwinding device for reels of web material with dual drive mechanism and relative unwinding method Dec. 2, 2008
7392960 Method for unwinding rolls of web material Jul. 1, 2008
7118062 Web handling with tension sensing and adjustment Oct. 10, 2006
7028940 Apparatus for unwinding rolls of web material Apr. 18, 2006
6820833 Method for controlling a yarn processing system and a yarn processing system Nov. 23, 2004
6676062 Device for discharging webs Jan. 13, 2004
6601792 Winding device Aug. 5, 2003
6588695 Method and device for unwinding elongated stock Jul. 8, 2003
6419180 Cable guidance apparatus Jul. 16, 2002
6390409 Roll stand transmission device to control web tension May. 21, 2002
6340130 Apparatus and method for supplying foils Jan. 22, 2002
6305145 Wrapping apparatus Oct. 23, 2001
6199787 Method of transferring individual ends of yarns from a beam to individual cones Mar. 13, 2001
6164583 Method and a unit for feeding a strip of sheet material Dec. 26, 2000
6152396 Variable-force discharge mechanism for materials loaded on a reel Nov. 28, 2000
6142406 Method and system for controlling a coiled tubing arch Nov. 7, 2000
6119971 Rotating arm decoiler with variable tension control Sep. 19, 2000
6105895 Yarn tension sensor with improved calibration Aug. 22, 2000
6082657 Wire-feeding device using logical circuitry and multiple sensors Jul. 4, 2000
6024319 Tension control apparatus Feb. 15, 2000
5950950 Apparatus for processing magnetic tapes Sep. 14, 1999
5890672 Surface winder apparatus and method Apr. 6, 1999
5887816 Dereeler for selectively feeding coiled stock into an associated fabricating machine Mar. 30, 1999
5803393 Strip decoiler Sep. 8, 1998
5718394 Web tensioning device Feb. 17, 1998
5713533 Stock feed apparatus Feb. 3, 1998
5709352 Zero tension web unwinder apparatus and method Jan. 20, 1998
5671895 System and method for controlling the speed and tension of an unwinding running web Sep. 30, 1997
5657941 Web tensioning device Aug. 19, 1997
5501412 Apparatus and method for controlling tension in a web Mar. 26, 1996
5474245 Cine-video film transport apparatus Dec. 12, 1995
5472153 Roll support and feed apparatus Dec. 5, 1995
5464167 Method and apparatus for the jam-free starting of tape transportation Nov. 7, 1995
5447296 Cloth spreading system Sep. 5, 1995
5402957 Web supply/take-up tension arm feedback system Apr. 4, 1995
5362008 Cassette for supplying webs of photosensitive material to copying machines Nov. 8, 1994
5344089 Roll support and feed apparatus Sep. 6, 1994
5318234 Automatic wire de-spooler for wire bonding machines Jun. 7, 1994
5248104 Wire-unwinding device Sep. 28, 1993
5223072 Intelligent servo-controlled fiber placement machine tensioner Jun. 29, 1993
5193424 Apparatus for applying a nonwoven web to a carrier web moving in the same direction Mar. 16, 1993
5139206 Wire prefeeder Aug. 18, 1992
5123607 Automatic wire dispenser Jun. 23, 1992
5100074 Automated wire dispenser Mar. 31, 1992
5080296 Low tension wire transfer system Jan. 14, 1992

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