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Class Information
Number: 242/412.2
Name: Winding, tensioning, or guiding > Tension control or brake > Take-up coil drive control > With supply control > Plural condition sensors (e.g., slack loop sensors)
Description: Subject matter wherein the tension regulating system includes multiple detecting elements.

Sub-classes under this class:

Class Number Class Name Patents
242/412.3 Diverse (e.g., slack loop and diameter sensors) 30

Patents under this class:

Patent Number Title Of Patent Date Issued
8505844 Method for operating a winding machine Aug. 13, 2013
8152089 Taper tension control method of winding process for web handling system Apr. 10, 2012
8079539 Built-in module for inverter and having tension control with integrated tension and velocity closed loops Dec. 20, 2011
7611087 Method and apparatus for winding up coreless and soft-core rolls of film materials Nov. 3, 2009
7118062 Web handling with tension sensing and adjustment Oct. 10, 2006
6595454 Optical fiber tensioning device and method of controlling the tension applied to an optical fiber Jul. 22, 2003
6486904 Thermal transfer printer that is capable of maintaining intermediate transfer sheet tension constant Nov. 26, 2002
6082657 Wire-feeding device using logical circuitry and multiple sensors Jul. 4, 2000
5825374 Apparatus and method for advancing a web Oct. 20, 1998
5697573 Apparatus for stably transferring belt-like material Dec. 16, 1997
5505401 Machine for manipulating web material Apr. 9, 1996
5474245 Cine-video film transport apparatus Dec. 12, 1995
5464167 Method and apparatus for the jam-free starting of tape transportation Nov. 7, 1995
5178341 Winder speed control apparatus Jan. 12, 1993
5062582 Apparatus and method for producing semi-converted diskette liners Nov. 5, 1991
5032938 Method and apparatus for controlling reel-to-reel tape transportation Jul. 16, 1991
4880175 Tension setting and controlling method and apparatus in an automatic winder Nov. 14, 1989
4807107 Apparatus for providing a profiled tape tension without utilizing a tape pack diameter sensor Feb. 21, 1989
4801853 Motion control system for reel to reel web transport apparatus Jan. 31, 1989
4777413 Tape speed control device Oct. 11, 1988
4752043 Method of and apparatus for winding a precision optical fiber coil Jun. 21, 1988
4729520 Method and apparatus for supplying sheet to winding unit Mar. 8, 1988
4722490 Method and apparatus for winding rolls of paper Feb. 2, 1988
4546931 Method and apparatus for coiling a continuous string of molded items about a vertical axis Oct. 15, 1985
4517436 Laser marker for articles of manufacture May. 14, 1985
4469291 Apparatus for introducing strip-shaped material into cassettes or the like Sep. 4, 1984
4448366 Coil diameter tracking system and tension regulation system using such tracking system May. 15, 1984
4437738 Optical rollfiche reader Mar. 20, 1984
4364527 Tension take-up and speed control Dec. 21, 1982
4342432 Control system for slitter-rewinder apparatus Aug. 3, 1982
4275856 Heat transfer labeling machine Jun. 30, 1981
RE30422 Graphic recorder Oct. 21, 1980
4172231 Transfer of a flexible web member from supply reel to a take-up reel Oct. 23, 1979
4103840 Stretchable material rewinding machine Aug. 1, 1978
4097005 Web transport system Jun. 27, 1978
4039160 Film transport system Aug. 2, 1977
4030131 Slack tape loader Jun. 14, 1977
4025005 Web feeding and collecting apparatus for photographic printers or the like May. 24, 1977
3982710 Photoelectrophoretic web tension system Sep. 28, 1976

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