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Class Information
Number: 270/41
Name: Sheet-material associating > Associating and folding > Longitudinal web folding
Description: The material in strip form of indefinite length continuously folded by passage through a former.


Sub-classes under this class:

Class Number Class Name Patents
270/42 Cylinder collecting, with sheet folding 36


Patents under this class:
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Patent Number Title Of Patent Date Issued
7364148 Sheet combining device and a method for combining sheets Apr. 29, 2008
7333246 Method and system for imposing print data Feb. 19, 2008
7066368 Paper web draw-in device for a web-fed printing press Jun. 27, 2006
6966475 Draw roller with adjustable pull ring Nov. 22, 2005
6820869 Variable folder Nov. 23, 2004
6712749 Folder Mar. 30, 2004
6588739 Device for feeding a web of material into a folding machine Jul. 8, 2003
6422552 Movable folders and former board arrangement Jul. 23, 2002
6250622 Cylinder assembly for a folding apparatus of a rotary printing press Jun. 26, 2001
6139003 Process and device for producing multi-layered newspaper products with a tabloid section Oct. 31, 2000
6042672 Sealed paper making method Mar. 28, 2000
6024684 Device for producing folded items Feb. 15, 2000
6010122 Method and apparatus for producing high page count signatures Jan. 4, 2000
5937757 Gap adjusting device with pressure relief for a second fold roller Aug. 17, 1999
5902222 Method and apparatus for guiding and forming a thin web material May. 11, 1999
5816434 Device for folding up bed sheets and the like Oct. 6, 1998
5788226 Ribbon gathering and forming Assembly Aug. 4, 1998
5732315 Paper delivery and stacker unit in an image forming apparatus Mar. 24, 1998
5644380 Producing a continuous-forms printer with a paper misfold detector Jul. 1, 1997
5605267 Apparatus for automatically feeding the end of a web of material Feb. 25, 1997
5558615 Modular exit roller assembly Sep. 24, 1996
5503379 Cross folding device with shiftable formers Apr. 2, 1996
5490666 Folder with spring-biased exit roller Feb. 13, 1996
5429627 Reusable feminine hygiene system Jul. 4, 1995
5413658 Folding plate assembly for fabricating honeycomb insulating material May. 9, 1995
5321464 Jam-free continuous-forms printer Jun. 14, 1994
5303909 Paper web guide assembly with three forming levels Apr. 19, 1994
5242521 Method of making a controllable fragrance sampler Sep. 7, 1993
5230501 Apparatus and method for integrating an insert assembly on a printing press Jul. 27, 1993
5176371 Rotary printing machine and printed web folding and handling system combination Jan. 5, 1993
5088975 Apparatus for the production of paper napkins and similar products Feb. 18, 1992
5021273 Method and apparatus for making labels Jun. 4, 1991
5016863 Adjustable longitudinal folding former system May. 21, 1991
4989851 Method and apparatus for stacking fabric strips with slide fastener stringers Feb. 5, 1991
4779859 Adjustable paper web folding former Oct. 25, 1988
4773676 Continuous stationery Sep. 27, 1988
4762311 Adjusting roller arrangement particularly for rotary folders Aug. 9, 1988
4607830 Lengthwise folding arrangement with vertically adjustable conical tip folding mandrel Aug. 26, 1986
4605210 Apparatus for folding traveling webs using a series of roller pairs Aug. 12, 1986
4598860 Flip die cut label for folded mailer Jul. 8, 1986
4565359 Folding apparatus for a web-fed rotary printing press Jan. 21, 1986
4559032 Multi-sheet rotary folding apparatus, particularly for association with rotary printing machines Dec. 17, 1985
4533130 Apparatus for folding a running web with folding roller and adjustable parallelling bar Aug. 6, 1985
4516761 Motor driven continuous form folder May. 14, 1985
4509733 Multiple paper web guiding and combining apparatus for combination with rotary printing machine and folding device Apr. 9, 1985
4502675 Longitudinal folding of webs, folding board system therefor Mar. 5, 1985
4475730 Apparatus for folding and stacking paper products Oct. 9, 1984
4420148 Method and apparatus for folding a cover strip over a multi-ply inner strip Dec. 13, 1983
4279409 Process of making signatures from preprinted webs for the manufacture of magazines or the like Jul. 21, 1981
3982746 Direct mail advertising booklet and method of production Sep. 28, 1976

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