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| Number | Title | Issue Date |
| 7328899 | Device for guiding sheets An apparatus for fixing a sheet on the surface of an electrically conductive cylinder of a printing machine for processing sheets, in particular, a sheet-fed offset printing machine. The apparatus includes an electrode that extends over the width of the cylinder for... | 02/12/2008 |
| 7325493 | Sheet-fed rotary printing press having a three-drum reversing device and method of transporting a sheet through a three-drum reversing device A sheet-fed rotary printing press for selective recto printing and recto and verso printing includes a three-drum reversing device having three cylinders cooperatively disposed behind one another between respective impression cylinders of two adjacent printing units... | 02/05/2008 |
| 7284482 | Sheet-fed offset rotary printing press with convertible press mechanism A sheet-fed offset rotary printing press with a convertible press mechanism includes a chucking cylinder, convertible cylinder, grippers, and air nozzles and blowing ports. The chucking cylinder conveys a sheet by holding its leading edge. The convertible cylinder i... | 10/23/2007 |
| 7267053 | Delivery device for a sheet-processing machine The invention relates to a delivery device for a sheet-processing machine. The object of the invention is providing a delivery device on a sheet-fed rotary printing machine, that can be universally used and permits quality control of the printed and/or laminated she... | 09/11/2007 |
| 7188564 | Stencil printer with a duplex printing capability Disclosed is a duplex printer which is capable of performing simplex printing without wasting a master and providing a print output with a satisfactory image quality at the time of duplex printing, and which is capable of suppressing an increase in installation spac... | 03/13/2007 |
| 7178460 | Web-fed rotary printing press A web-fed rotary printing press, which is used for printing a web has at least four printing points or locations that are allocated to the web in an imprinting mode of the press. At least one of each two printing points or locations can be alternatively engaged with... | 02/20/2007 |
| 7073439 | Rotary press A rotary press is provided that prevents a print from contamination with a color different from a printing color. The rotary press comprising a printing unit made of a set of printing cylinders such as plate and blanket cylinders or plate and impression cylinders fo... | 07/11/2006 |
| 7000917 | Sheet-guiding device in a sheet-processing machine A sheet-guiding device in a sheet-processing machine, in particular a sheet-fed rotary printing press, includes gripper devices disposed on revolving components of the sheet-processing machine for guiding the sheets to be printed on an air cushion formed by blast ai... | 02/21/2006 |
| 6971309 | Web-fed rotary press In order to create preconditions, in a web-fed rotary press, for good format variability of the printed products and economic utilization of the printing material, at least two printed pages of different heights are arranged in the circumferential direction on a for... | 12/06/2005 |
| 6912952 | Duplex printing system Apparatus for duplex printing comprising: a first impression roller (24) on which a first side of a sheet (22) having a leading edge and a trailing edge is printed referenced to the leading edge; a second impression roller (26) on which a second... | 07/05/2005 |
| 6899327 | Sheet guide apparatus A sheet guide apparatus comprises gripper devices for holding and transporting a printed sheet, an impression cylinder and a transfer cylinder for holding and transporting the printed sheet received from the gripper device, and a first guide device for guiding the p... | 05/31/2005 |
| 6883429 | Quality inspection apparatus for double-sided printing machine A quality inspection apparatus for a double-sided printing machine which includes a rubber impression cylinder and a rubber cylinder; inking unite for supplying ink to the rubber impression cylinder and the rubber cylinder; and a transport mechanism for transporting... | 04/26/2005 |
| 6883426 | Printing machine and method for printing a sheet A printing press for one-sided or two-sided printing of a sheet includes a transfer cylinder disposed in a travel direction of the sheet between a first and a second impression cylinder, respectively, of two printing units, and a sheet support assigned to the transf... | 04/26/2005 |
| 6871852 | Vacuum platen assembly for fluid-ejection device with one or more aerosol-collection recesses A vacuum platen assembly for a fluid-ejection device of one embodiment of the invention is disclosed that includes a platen that has a number of vacuum holes, and one or more aerosol-collection recesses. A number of ribs extend from the platen, against which positio... | 03/29/2005 |
| 6848363 | Device for changing the operating state of a gripper-control device in a sheet-reversing device of a sheet-processing machine and sheet-processing machine having the device A device for changing an operating state of a gripper-control device in a sheet-reversing device of a sheet-processing machine including a cylinder having an actuating shaft accommodated therein, includes an activating element cooperatively engaging with the actuati... | 02/01/2005 |
| 6823786 | Tandem printing system with fine paper-position correction A tandem printer with a mechanism for fine substrate-position correction, comprising: a first printing station; a second printing station; a rotatable element, rotating at a given rotation rate, that receives the substrate after printing thereon by the first printin... | 11/30/2004 |
| 6789475 | Satellite printing machine for printing sheets A satellite printing machine for printing sheets includes a single central common counter-pressure cylinder and at least four satellite printing groups arranged in a peripherally distributed manner about the counter-pressure cylinder in a rotational direction thereo... | 09/14/2004 |
| 6782818 | Method for adjustment of a belt tension in a rotary press machine The tension of a web in a rotary printing machine is monitored and adjusted. The web runs through at least one printing group in the rotary printing machine. Any change in the stretch of the web during the production run is determined by noting any difference betwee... | 08/31/2004 |
| 6772709 | Varnish coating apparatus In a varnish coating apparatus, a first varnish film forming cylinder has a first supply surface to which varnish is supplied. A second varnish film forming cylinder has a second supply surface to which varnish is supplied. A first blanket cylinder has a first trans... | 08/10/2004 |
| 6766737 | Method for controlling a circumferential register in a web-fed rotary press The circumferential register of a web passing through printing units of a web-fed rotary press is accomplished by determining an actual value of the tension in the web. An angular position or an angular velocity of a cylinder of a first print unit, with respect to a... | 07/27/2004 |
| 6736061 | Rotary signature transfer device A signature transfer device includes a rotating arm rotating about a first axis and a first gripper rotatably mounted on the rotating arm about a second axis, the first and second axes being parallel, the first gripper having a first gripper finger and a second grip... | 05/18/2004 |
| 6722277 | Device for turning sheet material, printing unit, and multicolor rotary printing press A device for turning sheet-like material from a printed side onto an unprinted side uses an impression cylinder which guides the sheet-like material and which is preceded by a transfer cylinder and followed by a further transfer cylinder. The sheet-like, flexurally ... | 04/20/2004 |
| 6718872 | Printer with a duplex printing capability A printer with a duplex printing capability of the present invention includes a printing section. In a duplex print mode, the printing section prints either one of a first and a second image formed in a master side by side on the front side of a first sheet. A path ... | 04/13/2004 |
| 6701837 | Widthwise paper drift correction device for elongated web-like print paper To stably transport an elongated web-like print paper so as not to move in the widthwise direction of the print paper, a first sensor is disposed at a first position in a paper conveying path and a second sensor at a second position downstream of the firs... | 03/09/2004 |
| 6691611 | Method and apparatus for guiding and transferring a sheet in a printing machine An apparatus for guiding and transferring a sheet in a printing machine from a first cylinder to a gripper of a second cylinder in which the apparatus has a guide device for a holding element, which is held outside the first and second cylinder. In this w... | 02/17/2004 |
| 6684778 | Printing press with a sheet-turning-over-mechanism There is provided a printing press with a sheet-turning-over-mechanism for turning over a printing sheet, enabling the printing press to be selectively operable in a one-sided printing mode and a double-sided printing mode. The printing press includes a c... | 02/03/2004 |
| 6681696 | Turning or reversing device with a storage device for flat or sheet-like material Provided, in combination, is a device for turning sheet-like material, with an impression cylinder for guiding the sheet-like material, the impression cylinder being preceded by a first transfer cylinder and followed by a second transfer cylinder, the she... | 01/27/2004 |
| 6681697 | Device for aligning sheets in a feeder of a sheet-processing machine, especially a printing press A device for aligning sheets on a feeder of a sheet-processing machine includes a plurality of pivotably disposed front lays and a plurality of pivotably disposed top lays, the top lays being vertically adjustable. The front lays and the top lays are resp... | 01/27/2004 |
| 6662724 | Method for transporting a sheet A sheet processing device is provided in a sheet-fed printing press. Sheets are conveyed to a sheet transport cylinder and are processed on the sheet transport cylinder. The sheets are each removed twice from the sheet transport cylinder.... | 12/16/2003 |
| 6662722 | Machine for processing sheets having spring mounted throttled air nozzles A machine for processing sheets, in particular a sheet-fed rotary printing machine, includes a transporting cylinder for transporting the sheets and having air nozzles disposed offset in relation to one another in a direction other than an axis-parallel d... | 12/16/2003 |
| 6612235 | Sheet guiding device A guiding device in a machine for processing sheets of printing material includes unthrottled air nozzles for contact-free guidance of the sheets, and throttled air nozzles arranged at locations which are prone to contact by the sheets; and a machine for ... | 09/02/2003 |
| 6598524 | Device for transporting a sheet A sheet processing device is provided in a sheet-fed printing press. Sheets are conveyed to a sheet transport cylinder and are processed on the sheet transport cylinder. The sheets are each removed twice from the sheet transport cylinder.... | 07/29/2003 |
| 6510791 | Web-fed rotary press A multi-color, web-fed rotary printing press provides a shortened construction. A web passes vertically downwardly through a plurality of bridge printing units which are arranged one above the other. A lowermost one of these bridge printing units has a tr... | 01/28/2003 |
| 6477950 | Apparatus and method for duplex printing of a sheet-like substrate The present invention is an apparatus and method for duplex printing of a sheet-like substrate in a continuous single-pass flat printing process. The device comprises a first conveyor unit in communication with a feeder and a second conveyor unit in commu... | 11/12/2002 |
| 6470798 | Sheet-like material guide apparatus of perfecting press A paper guide apparatus of a perfecting press is disclosed. The perfecting press comprises a blanketed impression cylinder which has a holding device for holding paper and prints one side of the paper, and a blanket cylinder which is in contact with the b... | 10/29/2002 |
| 6338299 | Sheet-like material printing and coating system and method Four impression cylinders of first and second face-side coating units and first and second back-side coating units, and two transfer cylinders of a face-side drying unit and a back-side drying unit are arranged adjacently and nearly linearly in a paper fl... | 01/15/2002 |
| 6332398 | Methods and devices for transporting a sheet A sheet processing device is provided in a sheet-fed printing press. Sheets are conveyed to a sheet transport cylinder and are processed on the sheet transport cylinder. The sheets are each removed twice from the sheet transport cylinder.... | 12/25/2001 |
| 6269743 | Vacuum transfer apparatus for rotary sheet-fed printing presses A vacuum assisted sheet transfer assembly has an array of support bars which support the unprinted side of a freshly printed sheet along a sheet transfer path. The support bars overlie the airflow inlet of a manifold housing, with the longitudinal axis of... | 08/07/2001 |
| 6227109 | Multicolor printing apparatus with horizontally rotatable discharge station A printing apparatus (1001) having a plurality of blanket cylinders (1051 to 1054) normally-contacting to impression cylinders (1031, 1032), plate cylinders (1041 to 1044) normally-contacting to the respective blanket cylinders, and a ink coating apparatu... | 05/08/2001 |
| 5957598 | Printing device with an aligning station for printing aligned receiving sheets on both sides A printing device for duplex printing of a sheet, comprising a feed path for feeding an unprinted sheet and a return path for returning a sheet printed on one side in an inverted orientation to a part of the feed path which is provided with an aligning st... | 09/28/1999 |
