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7584700 |
Method of controlling register when overprinting a plurality of separated colors
A method of controlling register when overprinting a plurality of separated colors, includes adjusting with register adjusting devices the position of image fields produced with the separated...
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7559276 |
Compensation of cylinder vibration in printing material processing machines
A compensation device ( 9 ) for vibrations of an angle variable in a printing material processing machine ( 1 ) having an associated actuator ( 6 ) which acts on the angle variable, the...
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7540239 |
Web-fed rotary printing unit
A web fed rotary printing unit is provided. The printing unit includes a plurality of cylinders including a first cylinder assigned a first adjustable drive motor and a second cylinder assigned a...
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7451697 |
Printing system
A printing system is provided that includes one or more printing modules, the one or more printing modules including a media web transport input; a media web image transfer point; a media web...
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7377216 |
Printing machine having fixed paper cylinder
The invention relates to a variable printing machine which is embodied in the form of at least two offset printing apparatus ( 1 ) and comprises a frame bearing an opposite cylinder against which a...
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7373880 |
Variable format offset printing press
A printing press includes a frame that supports one or more printing units. Each printing unit includes a retractable inker module cantileverly supported by the frame, an ink injection system...
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7334519 |
Rotary press having multiple printing units
A rotary press is provided. In the rotary press, tension of paper passing through printing units is always maintained to be constant, and position of a printing pin of each printing unit is...
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7322289 |
Printing tower operating unit and operator lifting device
A printing tower includes at least two printing groups which can each be controlled independently of the other by the entry of data into an operating unit. The operating unit is configured...
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7312890 |
Printing apparatus
A method of applying a control strip having an appropriate size in accordance with the size of a print image is provided. Print image data is rasterized or RIP-processed in Step S 1 . Image layout...
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7284486 |
Device and method for controlling the position of the lateral edge of a continuous web
A device and a method for controlling a position of a lateral edge of a continuous web of a recording medium in a printer or copier provides that sensors are provided. Signals of the sensors are...
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7281475 |
Method of controlling register when overprinting a plurality of separated colors
A method of controlling register when overprinting a plurality of separated colors, includes adjusting with register adjusting devices the position of image fields produced with the separated...
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7187142 |
Motor drive with velocity noise filter
A drive unit for controlling a motor includes a position feedback device and a velocity noise filter. The position feedback device is operable to generate a position signal relating to a position...
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7131379 |
Method of controlling register when overprinting a plurality of separated colors
A method of controlling register when overprinting a plurality of separated colors, which includes adjusting with register adjusting devices the position of image fields produced with the separated...
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7131374 |
Printing press equipped with color chart measuring apparatus
A reading time setting section ( 44 ) determines a read area for an imaging section ( 25 ) on the basis of color chart positional data (id). The imaging section ( 25 ) reads an image on printing...
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7114439 |
Printing groups of a printing press
A printing group of a printing press is comprised of at least one pair of cylinders which include a form cylinder and a transfer cylinder. The transfer cylinder cooperates with an impression...
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7104198 |
Printing blanket with convex outer print surface
A tubular printing blanket having an axial center has a carrier sleeve layer having a uniform thickness, a compressible layer, a reinforcing layer over the compressible layer, and a print layer...
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7047852 |
Feedforward control system for an elastic material
A process for providing feedforward control to control the feed rate of an elastic material. The process involves measuring the distance between registration marks on the elastic material prior to...
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7040231 |
Method for regulation of a web elongation in a rotary print machine
Tension of a web in a rotary printing press is regulated. The web passes through at least two printing groups in the printing press. A change in the extension of the web during the print run is...
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7013803 |
Color registration control system for a printing press
A color registration control system for a printing press including an area scanner for acquiring an image of a paper substrate and an image processing system adapted to receive the image and...
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6938543 |
Web fed printing machine having pasting-related misregistration eliminating apparatus
A web fed printing machine includes a web path provided between two sequentially disposed printing units and a misregistration detector for detecting misregistration in superimposition printing...
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6901854 |
Drive mechanism of a printing unit
A drive mechanism is provided for a printing unit. The printing unit has an axially movable forme cylinder and a second cylinder that cooperates with the forme cylinder. The forme cylinder can be...
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6895862 |
Digital offset printing registration
There are disclosed methods and systems for the process of on-press plate imaging, including automatic processes for plate preparation, that compensate for registration and print-length errors...
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6880458 |
Process and device for determining the position and/or the shape of marks on printed-on paper webs
A process and device are provided for determining the position and/or the shape of at least one mark on a web to be printed on. The position and/or the shape of the at least one mark in the image...
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6874420 |
System and method for register mark recognition
A system, method, and process that determine and automatically correct registration errors between printed objects and mechanically produced objects using advanced image processing techniques is...
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6860202 |
Printing press equipped with color chart measuring apparatus
A reading time setting section ( 44 ) determines a read area for an imaging section ( 25 ) on the basis of color chart positional data (id). The imaging section ( 25 ) reads an image on printing...
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6840171 |
Device for inserting a continuous tape for a printing or copying system comprising modules
An apparatus and method is provided for threading a continuous web into a device arrangement having a first module and a second module connectable to and detachable from one another. First and...
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6823792 |
Multi-motor drive and method for driving a printing press
A multi-motor drive for a printing press having a plurality of printing unit groups, includes at least one motor provided for each of the printing unit groups, and gear trains via which the...
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6820554 |
Methods and devices for operating a pressure unit
A printing unit is comprised of at least one counter-pressure cylinder and a transfer cylinder. A printing point is formed between the two cylinders when they are in contact. The counter-pressure...
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6796240 |
Printing press register control using colorpatch targets
By inclusion of a register target within a colorpatch, a colorbar is used for controlling color register as well as controlling color density on a printing press.
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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...
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6782814 |
Method and apparatus for detecting registering errors, and automatic register control apparatus for multi-color rotary presses
A method for detecting registering errors for multi-color rotary presses in which register marks are printed on a paper web by each printing section, a light source is caused to flash based on a...
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6736060 |
Printing unit
A printing unit is comprised of at least three rotating members, such as an impression cylinder, a forme cylinder that cooperates with the impression cylinder in a printing position, and a roller...
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6731898 |
Interleaved tandem printer and printing method
A method of printing utilizing a plurality of printers, each capable of printing an image on a same side of a web, the method comprising: printing, by a first printer, of first images, separated by...
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6725772 |
System admixture compensation system and method
A method provides reference profile density values for at least one color combination having a plurality of colors produced by a reference device using a reference colorant set, at least one...
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6725771 |
Rotary press synchronous controller for selecting control subject based on print image information
To provide a synchronous controller of a rotary press for selecting a control subject based on print image information, wherein the rotary press of a multicolor printing unit has a printing...
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6712000 |
Arrangement of bearings pertaining to a cylinder of a rotary printing press
A cylinder for a rotary printing press is supported by bearings that are situated outside of the spaced side frames of the press. Each bearing is arranged in a bearing bushing that is, in turn...
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6698355 |
Patch measurement device and printing apparatus incorporating the same
A patch measurement device which is capable of accurately detecting the position of a patch in a control strip is provided. In a patch measurement device 27 , a data storage section 271 stores...
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6691610 |
Method for printing metallic inks
There is disclosed a method for printing metallic inks wherein a fountain solution and a first imprint ink are concurrently deposited onto a printing plate. A foundation metallic ink is then...
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6684773 |
Target and algorithm for color laser printhead alignment
A method of determining misalignment of color planes within an image forming apparatus. A first pattern is formed with a first color and comprises first and second sections. A second pattern is...
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6684772 |
Flexographic printing machine
A flexographic printing machine having a counter pressure cylinder, which is mounted in a printing machine frame and is intended for several printing units, each printing unit including a printing...
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6668718 |
Printing machine with exchangeable ink application means
A printing machine for printing a substrate web, which printing machine comprises at least one printing module, such a printing module being provided with an impression roller and ink application...
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6655278 |
Apparatus for fine positional adjustment of a plate cylinder for multicolor image registration
An apparatus for positional adjustment of a plate cylinder in both lateral and circumferential directions thereof for image registration in a multicolor, offset rotary printing press. A lateral...
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6647874 |
Good register coordination of printing cylinders in a web-fed rotary printing press
The present invention pertains to the register coordination of cylinders of a web-fed rotary printing press which print on a web, wherein a first cylinder printing on one side of the web is driven...
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6637327 |
Image exposure control apparatus in multicolor printing press
An image exposure control apparatus includes a memory and an adjustment section. The memory stores a correction amount for each color in accordance with a stretch amount of a printing paper sheet...
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6634297 |
Device and process for setting the printed image in a flexographic press
Introduced are a device and a process for setting the printed image of a rotary press by adjusting the relative position of the rollers ( 3, 7, 8 ) involved in the ink transfer. In this respect at...
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6631677 |
Printing machine with an imaging device
A printing machine that has a plurality of form cylinders and in which an imaging device images at least two of the form cylinders. The imaging device is arranged in stationary fashion. Laser...
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6626104 |
Offset printing machine with a register control and method for operating said machine
At specific time intervals register commands are fed to a plate cylinder in a printing machine in the circumferential direction and/or the lateral direction and adjust the cylinder by a small...
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6626102 |
Synchronous control system having automatic cutting and printing registering functions
The present invention is intended to automatically adjust cutting and printing registers based on the detection of predetermined mark for different colors in a rotary press using a paper web,...
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6622625 |
Medium detecting method and device, and printer
A reference medium is scanned both with a medium sensor ( 44 ) capable of detecting a low-transmittance printing medium with high accuracy and with a medium sensor ( 45 ) capable of detecting a...
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6622621 |
Device for detecting register marks
A device for detecting register marks includes at least one receiver for scanning register marks along a track disposed in a direction of movement of the register marks, and a device for...
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