Class 270/8 - Sheet folding

Subclass of Class 270 - Sheet-material associating
Definition: Also having means for folding sheets.
No. of patents: 23
Last issue date: 03/04/2008

Number	Title	Issue Date
7338425	Variable length cutting device A variable length cutting device includes a cutting cylinder and a transfer cylinder. The transfer cylinder cooperates with the cutting cylinder for cutting a ribbon into signatures having a desired cutoff length. An adjustable diameter portion of the transfer cylin...	03/04/2008
7318293	Binder clip sleeve A binder clip sleeve for securing indicia to a binder clip and a method of securing the indicia to the binder clip. The binder clip sleeve comprises three panels which generally conform to outer surfaces of the binder clip. Indicia may be displayed along one or more...	01/15/2008
7255668	Folding appliances A folding appliance includes a rotatable folding blade cylinder for transporting a signature to be folded, and at least one folding blade that can rotated about a first axle inside the folding blade cylinder. That first axle is held on a carrier which, in turn, can ...	08/14/2007
7217233	Parallel folding apparatus of folding machine A parallel folding apparatus of a folding machine comprises a first cylinder in contact with a second cylinder. A guide plate guides a signature transported on the lower circumferential surface of the second cylinder after being double-folded by grippers of the seco...	05/15/2007
7172547	Variable-circumference folder A variable-circumference folder includes a gathering cylinder fitted with pin systems for reliably holding products of different thickness fed to the gathering cylinder by an accelerating device without any adjustment effort. ...	02/06/2007
7090632	Folder with multiple-motor drive A folder includes a first cylinder having at least one first gripper for holding signatures and at least one tucker for tucking the signatures to define a first fold, a second cylinder having at least one first jaw for holding the signatures at the first fold, a fir...	08/15/2006
7083561	Folding device with a first and second partial cylinder and method for operating such a folding device A folding device includes a first partial cylinder and a second partial cylinder. These two partial cylinders form a cylinder body. The two partial cylinders are rotatable relative to each other and each partial cylinder includes first and second groups of functiona...	08/01/2006
7040612	Folding apparatus and method A folding apparatus for folding sheets of flexible sheet materials, which includes a feeding mechanism (11, 17) for feeding sheets of material, a folding mechanism including a pair of rollers (11, 13) having a nip (23) into which a sheet of mate...	05/09/2006
7000539	Offset printing machine The invention relates to the drive of a printing machine. Cylinders and functional groups are to be driven with low technical expenditure. To this end, all form cylinders (1.1, 1.2) in a printing unit, for example, are driven respectively by separate electric...	02/21/2006
6941862	Folder A folder includes a cutter for cutting a web of material into signatures, a folding device for producing at least one fold in a signature cut from the web of material, at least one delivery and one conveyor path for directly feeding the cut signatures to the deliver...	09/13/2005
6905118	Sheet finisher and image forming system using the same A sheet finisher of the present invention is included in an image forming system and folds a stack of sheets sequentially transferred from an image forming apparatus thereto. The sheet finisher includes a fold roller pair for holding the stack of sheets being convey...	06/14/2005
6367792	Copy-guiding cylinder of a folder In a rotary printing machine, a folder operatable in different folding modes, and having a copy-guiding cylinder to which copies severed from a material web by a cutting-cylinder pair are feedable, the copy-guiding cylinder having a circumferential surfac...	04/09/2002
5775222	Individually driven folder for a rotary printing press A rotary printing press comprising a plurality of folder units including a cutting cylinder and a folding jaw cylinder with each of the folder units having a separate drive motor mechanially driving each folder unit separately from the plurality of printi...	07/07/1998
5653429	Cylinder folding apparatus A cylinder folding apparatus for a rotary printing press uses a collection and cutting cylinder in cooperation with a solid folding blade cylinder. A paper web train is cut into sections and is folded by transverse folding rollers. The point spur sets on ...	08/05/1997
5647582	Rotary press with a plurality of rolls of paper and printing method using such a rotary press In a rotary press comprised of one or more constructional units each including: a plurality of paper feed stations, a plurality of printing stations, a single folding station having a cutting function. An improvement in the or each constructional unit fur...	07/15/1997
5551678	Cylinder folding apparatus A cylinder folding apparatus for a web-fed rotary printing press utilizes solid cutting and a collecting cylinders to cut a paper web into signatures. A hollow folding drum is provided with an interior folding blade cylinder whose axis of rotation is offs...	09/03/1996
5535996	Apparatus and method for producing wrinkle-free signatures In order to eliminate gusset wrinkles in a closed end signature, a unique new and improved method and apparatus are disclosed. The method and apparatus contemplate printing a plurality of webs on presses to provide ribbons to be utilized in forming the si...	07/16/1996
5522586	Folding apparatus with multiple speed folding jaw cylinder Continuous web-fed rotary tuck and jaw type folding apparatus, typically for high speed periodical, catalogue or newspaper production, is speedily and readily convertible to produce differently page sized and differently folded signatures. Said apparatus ...	06/04/1996
5520378	Folding apparatus for rotary printing presses A folding apparatus for rotary printing presses uses at least a single stage speed reducing device between a collection cylinder and a folding blade cylinder to reduce the speed of travel of signatures before they are cross-folded. The reduction in the sp...	05/28/1996
5439206	Product delivery system for a printing-press folder Product delivery system for a printing-press folder having a cutting unit for dividing printed webs of material into a multiplicity of printed copies or signatures, and a gripper cylinder includes a device for alternatively feeding cross-folded copies fro...	08/08/1995
5042788	Processing paper and other webs A printing apparatus has an array of cartridges for printing a web of e.g. paper passing through the array, and one or more units containing printing medium. The cartridges each are capable of transferring the printing medium from the unit(s) to the web. ...	08/27/1991
5021273	Method and apparatus for making labels A method and apparatus for making booklet type labels having at least one printed inner sheet includes apparatus for printing and assembling three webs which includes the provision of folding stations to enable a single web to be immediately and continuou...	06/04/1991
4279409	Process of making signatures from preprinted webs for the manufacture of magazines or the like Signatures for the manufacture of magazines, and the like, are made from preprinted webs of widths smaller than are used conventionally, with no reduction in the size of the pages of the magazine comprising the signature. The reduction in web width is acc...	07/21/1981

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Class 270/8 - Sheet folding