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Class Information
Number: 242/520
Name: Winding, tensioning, or guiding > Convolute winding of material
Description: Apparatus or method for receiving elongated material from a supply and progressively coiling the material about an axis of a take-up to create successive convolutions so that at least the majority of convolutions lie upon their preceding convolution.

Sub-classes under this class:

Class Number Class Name Patents
242/529 Contracting or expanding spool during winding 11
242/534 Detector, control, or material responsive stop 178
242/537 Irregularly shaped take-up 33
242/528 Of discrete sheets or articles 154
242/547 Pressure element against coil (e.g., nip pressure member) 146
242/531 Sequential winding stations 31
242/530 Simultaneous winding 59
242/536 Winding spaced-apart convolutions 22
242/538 With coiled supply 81
242/522 With cutting, perforating, or notching 12
242/535 With feeder 61
242/540 With particular drive 40
242/539 With particular frame 76
242/532 With particular material connection to take-up 91
242/548 With particular material guide or guard 109
242/533 With spool loading or coil removal 132
242/521 With tearing or breaking 94

Patents under this class:

Patent Number Title Of Patent Date Issued
8302650 Device for gluing the final edge of a log of a band-shaped material Nov. 6, 2012
8080304 Multi-layer wrap Dec. 20, 2011
7610114 Order charting for flat sheet industries Oct. 27, 2009
7386927 Apparatus to roll, cut, weld, and form tank car outer jackets Jun. 17, 2008
6629657 Method and apparatus to wind a tape around a rotatable reel Oct. 7, 2003
6179235 Collaspe resistant center feed roll and process of making thereof Jan. 30, 2001
6141852 Method for assembling photographic film and photographic film cassette Nov. 7, 2000
6119974 Expandable mandrel core Sep. 19, 2000
5867745 Film roll carrier and camera Feb. 2, 1999
5816525 Winding core Oct. 6, 1998
5755905 Method of making pressure sensitive adhesive tape rolls with a transparent to the core appearance May. 26, 1998
5722608 Coreless roll of web material Mar. 3, 1998
5695138 Winding fixture for surgical suture package Dec. 9, 1997
5634789 Method of preforming heat treatment on a wound roll film Jun. 3, 1997
5460672 Apparatus and method for joining a plurality of textile webs together in side-by-side relation Oct. 24, 1995
5381978 Apparatus and process for producing a rolled tab for a roll of plastic film Jan. 17, 1995
5303323 Method and apparatus for making arbitrarily shaped fiber optic backlighting substrates Apr. 12, 1994
5271575 Coreless paper roll manufacturing system Dec. 21, 1993
5256232 Apparatus and method for winding strips of web material onto spools Oct. 26, 1993
5242525 Apparatus for glueing the tail of logs of web material Sep. 7, 1993
5232172 Web conveying apparatus Aug. 3, 1993
5211799 Device for fastening an adhesive strip on the web end and on the paper roll formed by the web May. 18, 1993
5063647 Method for handling and further processing a honeycomb band Nov. 12, 1991
4934624 A robotic hand Jun. 19, 1990
4841317 Web handling device Jun. 20, 1989
4841151 Variable volume flow cell Jun. 20, 1989
4834609 Shaft handling device May. 30, 1989
4726532 Web reeling method and apparatus Feb. 23, 1988
4725011 Supply magazine for sheet film stack Feb. 16, 1988
4589601 Method of winding braze strip material May. 20, 1986
4578925 Method of and apparatus for packaging a wall of a bore Apr. 1, 1986
4487378 Coreless toilet paper roll and method for manufacture thereof Dec. 11, 1984
4431141 Method of making a roll paper product Feb. 14, 1984
4351379 Method of reeling and unreeling a reinforced veneer sheet Sep. 28, 1982
4254919 Method of loading film cassette Mar. 10, 1981
4160531 Apparatus and methods for untelescoping and rewinding reels of sheet material such as steel Jul. 10, 1979
4127280 Collapsible bag type container take-up reel Nov. 28, 1978
4050642 Winding or rewinding film Sep. 27, 1977

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