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Class Information
Number: 226/44
Name: Advancing material of indeterminate length > With material-responsive control means > To regulate longitudinal movement of material > Responsive to dancer detector
Description: Device wherein the detection means is an element in continuous contact with a surface of the material whereby any change in the path of travel of the material will be sensed.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8512609 Web-processing machine and method for the control thereof Aug. 20, 2013
7926688 Tension-controlled web processing machine and method Apr. 19, 2011
7798382 Regulating the web tension of a continuous material Sep. 21, 2010
7398903 Wire-feeding device for a wire-processing machine Jul. 15, 2008
7243872 Device for detecting and/or adjusting a tensile force in a yarn Jul. 17, 2007
7104712 Roll sheet holder and tape printer Sep. 12, 2006
6824032 Controller of running tension of paper web for rotary press Nov. 30, 2004
6810812 Method for regulating the tension of a web Nov. 2, 2004
6799507 Web printers Oct. 5, 2004
6536700 Variable tension fiber winding Mar. 25, 2003
6499639 Method and apparatus for dynamically controlling a web printing press Dec. 31, 2002
6486904 Thermal transfer printer that is capable of maintaining intermediate transfer sheet tension constant Nov. 26, 2002
6471152 Dancer roll mechanism and web feeding apparatus incorporating such dancer roll mechanism Oct. 29, 2002
6450212 Solid state web take-up control Sep. 17, 2002
6433499 Device and method for automatic tension transducer calibration Aug. 13, 2002
6314333 Method and apparatus for controlling web tension by actively controlling velocity and acceleration of a dancer roll Nov. 6, 2001
6276587 Arrangement for delivering a web of material from a storage reel to a process line, and a unit included in the arrangement Aug. 21, 2001
6273313 Process and apparatus for controlling the registration of converting operations with prints on a web Aug. 14, 2001
6216747 Beam let-off apparatus and a method for letting off filaments Apr. 17, 2001
6155963 Cushioning conversion machine with power infeed Dec. 5, 2000
6024319 Tension control apparatus Feb. 15, 2000
6010052 Yarn supply apparatus with electronic control Jan. 4, 2000
6000595 Method and apparatus for pinless feeding of web to a utilization device Dec. 14, 1999
5996492 Method and apparatus for regulating web tension in a web-fed rotary offset printing press Dec. 7, 1999
5988553 Entangling protection arrangement for a thread feeding buffer Nov. 23, 1999
5964390 Arrangement and web tension control unit for web delivery Oct. 12, 1999
5878933 Strip guiding apparatus and associated method for maintaining lateral position Mar. 9, 1999
5826774 Wire tensioner for dynamo-electric machine coil winder Oct. 27, 1998
5813586 Apparatus and method for controlling web speed Sep. 29, 1998
5810236 Web accumulator Sep. 22, 1998
5806744 Apparatus for feeding and tensioning threads in a textile machine Sep. 15, 1998
5791541 Tension controller for controlling tension of running paper web Aug. 11, 1998
5791542 Yarn test system which moves yarn at high speed under constant, adjustable tension Aug. 11, 1998
5765481 Apparatus and method for working on a length of web material Jun. 16, 1998
5704304 Level lining apparatus and method Jan. 6, 1998
5664765 Apparatus and method for pulling cable Sep. 9, 1997
5648834 Film tension sensing device Jul. 15, 1997
5647276 Web tension regulator for printing machine Jul. 15, 1997
5617985 Apparatus and method for supporting and guiding strip material that is to be processed in the loop region Apr. 8, 1997
5602747 Controlling web tension by actively controlling velocity of dancer roll Feb. 11, 1997
5582339 Apparatus for storing a continuous web of material made from packaging material Dec. 10, 1996
5546993 Web tension apparatus with sensor switch arrangement for oscilliating dancer roll and method Aug. 20, 1996
5542592 Cable and wire pre-feed apparatus Aug. 6, 1996
5517914 Web tension regulator for printing machine May. 21, 1996
5485386 Method and device for the control and regulation of the stretch of a running web Jan. 16, 1996
5480085 Method and apparatus for controlling tension between variable speed driver rollers Jan. 2, 1996
5472127 Strip tension control apparatus Dec. 5, 1995
5454151 Arrangement for setting the tension of a thread Oct. 3, 1995
5421534 Apparatus for and method of controlling tension of a filamentary material Jun. 6, 1995
5402956 Two or three capstan tape drive Apr. 4, 1995

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