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Class Information
Number: 493/410
Name: Manufacturing container or tube from paper; or other manufacturing from a sheet or web > Bending > Folding > Refolding or unfolding > Of indeterminate length work
Description: Method or apparatus wherein at the time the crease line is formed the workpiece is a web of such length that no more than one end thereof is recognized (engaged).

Sub-classes under this class:

Class Number Class Name Patents
493/411 Including use of swinging work guiding means (e.g., zigzag folding, etc.) 70
493/412 With elevating work support 47

Patents under this class:
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Patent Number Title Of Patent Date Issued
7981018 Folding superstructure in a web-fed rotary printing press and method for operating the same Jul. 19, 2011
7922642 Devices and method for feeding at least one material web or web strand into a folding device Apr. 12, 2011
7712987 Sheet holding structure and printer for an electronic voting apparatus May. 11, 2010
6884209 Apparatus and method for folding and stacking napkins Apr. 26, 2005
6735925 Flat panel sleeve with folded portions and method of manufacturing May. 18, 2004
6440052 System for directing a leading edge of continuous form paper onto a stack Aug. 27, 2002
6263814 Strip of material with splices and products formed therefrom Jul. 24, 2001
6176068 Packaging a strip of material in layers with intervening splices Jan. 23, 2001
6165113 Method and mechanism for sensing the position of the top of a stack of paper Dec. 26, 2000
6102842 Adjustable continuous forms paper stacker Aug. 15, 2000
6090031 Tilting stacker for fanfold sheet Jul. 18, 2000
6071223 System for directing a leading edge of continuous form paper onto a stack Jun. 6, 2000
6067775 Packaging a strip of material by folding May. 30, 2000
6056683 Active stacking system May. 2, 2000
6009689 Packaging a strip of material in layers Jan. 4, 2000
5987851 Packaging a strip of material Nov. 23, 1999
5891008 Sheet products for use in a pop-up dispenser and method for forming from stretched ribbons Apr. 6, 1999
5730695 Method and apparatus for stacking folded towels and the like Mar. 24, 1998
5709771 Method and apparatus for forming an expandable-collapsible article having a contoured surface Jan. 20, 1998
5676056 Rotary printing press with a freely mountable folder Oct. 14, 1997
5644380 Producing a continuous-forms printer with a paper misfold detector Jul. 1, 1997
5466210 Apparatus for opening tube material Nov. 14, 1995
5460672 Apparatus and method for joining a plurality of textile webs together in side-by-side relation Oct. 24, 1995
5364334 Continuous paper folding device for use with printer Nov. 15, 1994
5358345 Printer outfeed paper collector for refolding and restacking fanfold paper discharged from a continuous form printer or the like Oct. 25, 1994
5350246 High speed continuous-forms printer Sep. 27, 1994
5322496 Method for handling business forms Jun. 21, 1994
5321464 Jam-free continuous-forms printer Jun. 14, 1994
5300008 Printer and folder with chains having light weight pendants hanging therefrom Apr. 5, 1994
5279536 Handling apparatus for a continuous web of Z-fold computer paper Jan. 18, 1994
5248291 Re-folding apparatus for continuous feed paper Sep. 28, 1993
5242366 Mechanism for folding continuous-form sheet Sep. 7, 1993
5238316 Printer paper collection structure Aug. 24, 1993
5230454 Automatic document feeder capable of handling computer form document Jul. 27, 1993
5169375 Swivel-out stacking device for an electrophotographic printing device Dec. 8, 1992
5123894 Paper guide and stacking apparatus for collecting fan fold paper for a printer or the like Jun. 23, 1992
5123893 Passive paper stacker Jun. 23, 1992
5110101 Apparatus for subdividing a running web of coherent panels in zig-zag formation May. 5, 1992
5104107 Fold conditioner and method Apr. 14, 1992
5092831 Method of and apparatus for opening a folded web of heat-sealable packaging material prior to formation of the web into sealed reclosable packages Mar. 3, 1992
5090678 Method and apparatus of forming a separated stack of zigzag folded sheets from a main stack Feb. 25, 1992
5085624 Apparatus and process for the zigzagged folding and stacking of a web of material Feb. 4, 1992
5074837 Apparatus and methods for restacking fanfolded continuous form paper output from a printer Dec. 24, 1991
5062597 Method of forming a new pile after discharge of a completed pile in a pile-forming machine associated in particular with a printer and device for carrying out this method Nov. 5, 1991
5061233 Method and apparatus for business forms compacting Oct. 29, 1991
5052995 Process and apparatus for the stocking (storage) of (pack) blanks and for feeding these to a folding unit of packaging machine Oct. 1, 1991
5039242 Z-fold paper retainer Aug. 13, 1991
5029828 Continuous paper folding device for a printing apparatus Jul. 9, 1991
5000431 Label refolder Mar. 19, 1991
4986803 Apparatus for the production of cigarette packs Jan. 22, 1991

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