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Class Information
Number: 242/DIG.3
Name: Winding, tensioning, or guiding > Coreless coilers

Patents under this class:

Patent Number Title Of Patent Date Issued
7021584 Automatic control of sod roll flaps Apr. 4, 2006
5895008 Roll-up device Apr. 20, 1999
5538199 Rewinding machine for coreless winding of a log of web material with a surface for supporting the log in the process of winding Jul. 23, 1996
5518200 Method of producing coreless toilet paper rolls and the coreless toilet paper produced thereby May. 21, 1996
5505402 Coreless surface winder and method Apr. 9, 1996
5402960 Coreless surface winder and method Apr. 4, 1995
5344091 Apparatus for winding stiffened coreless rolls and method Sep. 6, 1994
5305963 Method and apparatus for forming rolls from strips of compressible material Apr. 26, 1994
5172871 Apparatus for guiding a web of material across a driven drum Dec. 22, 1992
5064132 Device for taking-up a width of flexible material, paper in particular, to form a roll Nov. 12, 1991
5037037 Catch tray for receiving spooled output media from an electrographic printer Aug. 6, 1991
5016833 Document roll-up system May. 21, 1991
5011093 Deflectable media guides for assisting in media transport Apr. 30, 1991
4974784 Winding apparatus for paper, textiles or synthetic plastic webs Dec. 4, 1990
4973010 Carpet rolling machine Nov. 27, 1990
4928898 Compression coiling machine May. 29, 1990
4838497 Apparatus for automatically rolling up media sheets Jun. 13, 1989
4830304 Automatic device for treating unusable paper used in device for preparing rolls for web pasting May. 16, 1989
4828195 Surface winder and method May. 9, 1989
4807825 Roll winding machine Feb. 28, 1989
4784345 Apparatus for automatically rolling up output sheets from a document reproduction system Nov. 15, 1988
4765554 Relating to compression type rolling machines Aug. 23, 1988
4663822 Cutter/stripper/coiling apparatus for thick cable segments May. 12, 1987
4583697 Controlled compression winding method and apparatus Apr. 22, 1986
4573644 Carpet rolling machine Mar. 4, 1986
4542859 Method and apparatus for rolling mats Sep. 24, 1985
4522345 Apparatus for winding wire net with simple twist Jun. 11, 1985
4513924 Process and apparatus for producing rolls of wire netting Apr. 30, 1985
4418874 Method and apparatus for storing a length of web Dec. 6, 1983
4398988 Tire building apparatus Aug. 16, 1983
4389025 Apparatus for winding wire net with simple twist Jun. 21, 1983
4377891 Method and apparatus for fabricating multilayer tubular electrical components Mar. 29, 1983
4344585 Sheet handling apparatus Aug. 17, 1982
4160528 Carpet roll winding apparatus Jul. 10, 1979
4142691 Sod rolling apparatus Mar. 6, 1979
4137697 Bale density structure for cylindrical balers Feb. 6, 1979
4114530 Apparatus for packaging compressible strips Sep. 19, 1978
4102512 System for forming sheet material into spiral rolls Jul. 25, 1978
4093139 Support for long rolls of sheet material Jun. 6, 1978
4088069 Elastic bale-forming conveyor for cylindrical bales May. 9, 1978
4067567 Sheet roll assembly for copying machine Jan. 10, 1978
3991538 Packaging apparatus for compressible strips Nov. 16, 1976
3931940 Carpet feeding, measuring and rolling apparatus Jan. 13, 1976

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