Class / Patent application number | Description | Number of patent applications / Date published |
101484000 | Condition responsive | 44 |
20080210114 | Methods and Apparatus to Deliver Ink to Printing Systems - Methods and apparatus to deliver ink to printing systems are disclosed. In one example, a disclosed apparatus includes control valves which are coupled to a logic device. Together, the control valves and logic device control the flow of constituent components of press ready ink before the constituent components are mixed into press ready ink and sent to a gravure impression cylinder. | 09-04-2008 |
20080216695 | Picture Color Tone Controlling Method and Apparatus Technical Field - In a picture color tone control method and apparatus for a printing press, in order to make it possible to use an IRGB densitometer to perform color tone control even when printing is performed with a density which exceeds an estimated maximum color space, a target color mixture halftone density for each ink supplying unit width when a printing picture is divided with an ink supplying unit width of ink supplying apparatus | 09-11-2008 |
20080216696 | DAMPING UNIT FOR A PRESS - A damping unit for a press has means for applying a damping solution to a printing form and means for setting the quantity of damping solution applied. At least one sensor is provided for registering the quantity of damping solution actually applied to the printing form. By means of a comparison with a predefined quantity of damping solution, the quantity of damping solution on the printing form can be regulated. | 09-11-2008 |
20080216697 | CONTACT-PRESSURE ADJUSTING METHOD AND CONTACT-PRESSURE ADJUSTING SYSTEM FOR LIQUID APPLICATION MACHINE - Disclosed is a contact-pressure adjusting method and a contact-pressure adjusting system, each of which automatically adjusts the contact pressure between two rotors, for a liquid application machine including: a first rotor to which liquid is supplied; a second rotor to which the liquid is supplied from the first rotor; and a contact-pressure adjusting unit for adjusting the contact pressure between the first rotor and the second rotor. By using a temperature measuring unit, measured is: the temperature of at least one of the surfaces of the first and second rotors; the temperature of at least one of the liquid on the surface of the first rotor and the liquid on the surface of the second rotor; or the temperature of at least one of the vicinity of the first rotor and the vicinity of the second rotor. The contact-pressure adjusting unit is adjusted in accordance with the measured temperature. | 09-11-2008 |
20080223239 | Printing press abnormal state display method and apparatus - In a printing press abnormal state display method, the current states of a plurality of elements of a printing press are detected. The detected current state of each element is compared with a normal state predetermined for the element. It is determined on the basis of the comparison result whether the current state of the element is abnormal. The abnormal state of only an element determined to be abnormal is displayed on the basis of the determination result. A printing press abnormal state display apparatus is also disclosed. | 09-18-2008 |
20080236430 | Method for Determining Optimized Ink Presetting Characteristic Curves for Controlling Inking Units in Printing Presses and Printing Press for Carrying out the Method - A method for determining optimized ink presetting characteristic curves for the control of inking units in printing presses through the use of a computer, includes acquiring measured values on a printing material produced by a printing press within the context of a running print job, through the use of a color measuring instrument. The acquired measured values are compared with a color set point to be achieved, fluctuations in the acquired measured values are determined and, if fluctuations lie within a defined permissible tolerance band around the color set point, the computer generates a signal to adapt and store the ink presetting characteristic curves used for the running print job. A printing press for carrying out the method is also provided. | 10-02-2008 |
20080276816 | Method for Automatically Adjusting Pressure Between Rotary Bodies in a Printing Press and Printing Press for Carrying out the Method - A method for automatically adjusting a pressure between rotary bodies in a printing press, includes measuring an image of a pressure strip on printing material. An image of a first pressure strip formed by a first rotary body together with a second body and an image of a second pressure strip formed by the second rotary body together with a third rotary body, are measured on the printing material. A printing press for carrying out the method is also provided. | 11-13-2008 |
20080289528 | INSPECTION SYSTEM FOR INSPECTING AN IMPRINTED SUBSTRATE ON A PRINTING PRESS - An inspection system for inspecting an imprinted substrate on a printing press has a light source, a contact image sensor, and a processor. The light source is configured to illuminate a portion of the substrate which has been imprinted with different colors at a plurality of printing units of the printing press. The contact image sensor has a plurality of sensing elements. Each sensing element senses light reflected by a corresponding region on the substrate to produce data representative of the corresponding region printed on the substrate. The processor is configured to receive the data representative of the imprinted substrate and to compare the data representative of the corresponding region printed on the substrate with stored reference data. | 11-27-2008 |
20080295724 | Method For Detection Of Occurrence Of Printing Errors On Printed Substrates During Processing Thereof On A Printing Press - There is described a method for detection of occurrence of printing errors on printed substrates during processing thereof on a printing press comprising the steps of providing multiple sensors on functional components of the printing press to monitor the behaviour of the printing press during processing of the printed substrates and performing an in-line analysis of the behaviour of the printing press to determine occurrence of a characteristic behaviour of the printing press which leads or is likely to lead to occurrence of printing errors on the printed substrates or which leads or is likely to lead to good printing quality of the printed substrates. In-line analysis of the behaviour of the printing press preferably includes performing fuzzy pattern classification of the behaviour of the printing press. According to one embodiment of the proposed method in-line analysis of the behaviour of the printing press is coupled with an in-line optical inspection of the printed substrates. | 12-04-2008 |
20080314276 | INKJET PRINTING SYSTEM WITH MOVABLE PRINT HEADS AND METHODS THEREOF - Embodiments of the invention are directed to a deposition printing system which includes two or more print units capable of moving with respect to each other during printing, each of the print units having one or more print heads together forming a head arrangement; and a controller to control movement of the print units to dynamically change the head arrangement during the printing. | 12-25-2008 |
20080314277 | Printing quality control method and system for relief printing press - Provided are an ink supply amount adjustment method and system for a relief printing press including: a first rotor, such as an ink form roller, to which ink is supplied; a second rotor, such as a plate cylinder, to which the ink is supplied from the first rotor; and adjustment means, such as a motor, for adjusting, for example, the nip pressure between the first rotor and the second rotor. The width of a line portion printed on paper W by the relief printing press is measured by a line-width measuring camera, and the adjustment means such as the motor is controlled on the basis of the line portion width obtained by the line-width measuring camera. | 12-25-2008 |
20090056582 | Printing apparatus, a method to indicate necessity of exchanging exchangeable parts, and a computer usable medium therefor - A printing apparatus for forming an image on fabric is provided. The printing apparatus includes a plurality of exchangeable fabric holders, a recording head, which is driven according to printable data including image information representing the image to be printed and holder information concerning a type of the fabric holder to be used for forming the image, an obtaining unit to obtain the printable data from external environment, a storage unit with a storage area to store the holder information extracted from the printable data, an examination unit to examine as to whether the holder information for a current printing operation is identical with the holder information for a previous printing operation stored in the storage area, and an indication unit, which indicates a result of the examination obtained by the examination unit to notify a user of necessity of exchanging the fabric holders. | 03-05-2009 |
20090095185 | WEB-FED PRINTING PRESS - A web-fed printing press is disclosed. The press includes at least one printing-plate-based printing unit for statically printing a printing substrate web with a static printing image and at least one processing device, in particular a printing-plate-less printing device for dynamically printing at least one printing substrate web surface of a printing substrate web with a variable printed image in-line. The processing device is assigned a sensor, which automatically measures a statically printed printing substrate web and, depending upon the measurement of the printing substrate web, triggers the processing device to position the processing to be performed with the processing device in the transport direction and/or transverse to the transport direction of the printing substrate web at the desired position on the printing substrate web. The processing device is assigned an operating device to make control commands available to the processing device independent of a printing press control system. | 04-16-2009 |
20090101037 | GAP MEASURING METHOD, IMPRINT METHOD, AND IMPRINT APPARATUS - A gap measuring method for measuring a gap between two members by irradiating the two members with light is constituted by preparing a first member and a second member which are disposed opposite to each other; irradiating the first member and the second member with light from one member side to obtain spectral data about intensity of reflected light or transmitted light from the other member side; and determining a gap between the first member and the second member by comparing the obtained spectral data with a database in which a gap length and an intensity spectrum are correlated with each other. | 04-23-2009 |
20090188405 | Printing machine and a method for producing a printed product - A printing machine is provided with at least one printing unit that is usable for printing an image, in ink, on a printable material. The printing machine includes at least one application device which is usable to apply at least one contactless identification characteristic, in the form of an RFID system or a part thereof, to the printable material. At least one inspection device is also provided in the printing machine. At least one test device, for testing the identification characteristic, or the part thereof, is also provided in the printing machine. | 07-30-2009 |
20090217835 | Web Printing, Web Printers and Related Software - A method of printing on a web of substrate ( | 09-03-2009 |
20090277353 | Test form for determining the state and the setting of the dampening unit system of an offset printing press, and method for setting - A test form for determining the state and the setting of the dampening unit system of an offset printing press and to a method for this setting using the test form. The test form makes it possible to derive an application amount of dampening solution and to represent precisely possible defects in the dampening unit system of the printing unit of an offset press. The test form is characterized by a printing plate having a mirror-symmetrical arrangement of two pattern profiles which have a large area and extend substantially transversely over the entire printing plate, wherein the mirror plane (line) extends transversely with respect to the printing direction, and the pattern profiles, in relation to the area coverage, decrease starting from one edge of the printing plate as far as the mirror plane (line) and increase again from the latter in the direction of the opposite edge. | 11-12-2009 |
20090283002 | Method for printing correction - A method for printing correction using a register control unit for a multicolor printing press equipped with at least one printing station having at least on printing cylinder for performing a printing procedure on a printing material, includes per printing procedure printing at least two printing regions and for each printing region at least one respectively associated printing mark on the printing material using the at least one printing cylinder, detecting the position of at least one printing mark per printing region using at least one sensor, executing an evaluation in the register control unit by comparing each detected position of a printing mark with a respective reference position in order to control a relative movement of the printing material to the printing cylinder. Alternatively, the method includes per printing procedure printing at least two printing regions on the printing material by the at least one printing cylinder, defining for each printing region at least one region to be evaluated, detecting said at least one region to be evaluated using at least one sensor, and generating image data, executing an evaluation in the register control unit by comparing each generated image data with a respective reference data in order to control a relative movement of the printing material to the printing cylinder. | 11-19-2009 |
20090293750 | APPARATUS FOR AND METHOD OF PRODUCING PROOF PRINTS - An apparatus for producing proof prints on which the correctness of page impositions can be checked comprises a stand configured to receive a roll of paper. A first printer and a second printer are provided for printing pages on the front side and the rear side, respectively, of a paper web fed from the paper roll. An optical sensor is arranged between the first printer and the second printer. The optical sensor is configured to detect the position of an alignment mark which has been printed by the first printer on the front side of the paper. A control unit modifies the spatial relationship between the rear side of the paper and what is printed on the rear side of the paper depending on the detected position of the alignment mark. This can be accomplished either by electronically modifying the second pages as such, or by mechanically modifying the paper position with respect to a printing head contained in the second printer. | 12-03-2009 |
20090301330 | SYSTEM AND METHOD FOR SETTING UP A PRINTING PRESS - A system for setting up a printing station ( | 12-10-2009 |
20100064922 | Method for Controlling Inking Units and/or Dampening Units - A method for controlling inking units having a plurality of zones and/or dampening units in printing presses, includes determining reference values, which are dependent on surface area coverage and/or location, through the use of a computer for the inking zones in the inking unit. Deviations of detected color measuring values from the reference values are calculated for each inking zone. The calculated deviations are compared with data stored in the computer and corresponding with causes of color problems. The computer determines causes of color problems in the inking unit and/or dampening unit by comparison with the data. | 03-18-2010 |
20100212525 | METHOD FOR OPERATING A PRINTING PRESS - The invention relates to a method for operating a printing press, particularly a sheet-fed offset printing press, wherein at least two drives, whose positions can be controlled independently from each other, feed into a continuous gear train of the printing press. A desired torque distribution for the drives feeding into the continuous gear train is determined such that each drive provides a driving torque for the associated sub-unit of driven devices and in part for the sub-unit of driven devices associated with a drive connected downstream of the respective drive, wherein based on said torque distribution for each drive an individual angle target value is determined, which is used to control the position of each drive individually in order to provide an angular difference that is dependent on the torque distribution between the feed sites of the drives. | 08-26-2010 |
20100236437 | METHOD FOR ACCELERATING A ROTARY PRINTING PRESS - A rotary printing press is accelerated from a standstill after triggering a single control command an a control unit which is executing a program. At least at one checkpoint, while is defined, and during the acceleration process, the program verifies, on the basis of at least one defined admissibility condition, whether or not it is admissible to continue the printing press acceleration process. In case one or more of various conditions for continuing the acceleration process are not met, the acceleration process is stopped by the program. Alternatively, the program may interrupt the acceleration process and may automatically initiate a deceleration process. | 09-23-2010 |
20100242768 | METHOD FOR ANGLE-DEPENDENT COLOR VALUE CORRECTION - A method for registering color measured values on printing materials with a color sensor includes registering the color measured values on the printing materials at different angles of observation of the color sensor. The angular dependence of the color measured values registered on the printing materials at different angles of observation is corrected in a computer. | 09-30-2010 |
20100251915 | DISCHARGE DEFECT DETECTING METHOD AND DISCHARGE DEFECT DETECTING DEVICE - A discharge defect detecting device including a sensor that reads an image, which has been formed on a medium by relatively moving nozzles in a movement direction relative to the medium based on the image data and discharging a fluid, at a reading resolution lower than the resolution of image data in the relative movement direction; standard data writing unit that writes standard data having the same resolution as the reading resolution in the relative movement direction, based on the image data; and a detecting unit that compares the data read by the sensor with the standard data, to detect the discharge defects of the nozzles. | 10-07-2010 |
20100275797 | CUSTOM WALLPAPER SYSTEMS AND METHODS - A method for creating digital images, including the following: receiving a design including a plurality of constituent shapes, extracting each constituent shape from the design as an individual shape that is independent of the other constituent shapes, and creating a digital file for each extracted constituent shape that contains information describing the respective extracted constituent shape. | 11-04-2010 |
20100275798 | METHOD FOR HYBRID INLINE COLOR CONTROL FOR PRINTING PRESSES - A method for color control in printing presses having at least one first color measuring instrument and at least one second color measuring instrument, includes registering at least one first inking zone on a printing material with the first color measuring instrument and registering at least one other, second inking zone on the printing material with the second color measuring instrument. In a first step, a color difference between actual colorations of the first and second inking zones is calculated, in a second step, a color difference between an actual coloration of the first inking zone and a desired coloration of the second inking zone is calculated and, in a further step, the calculated color differences are added and supplied to a color control for the second inking zone. | 11-04-2010 |
20110132221 | METHOD FOR ASSESSING THE PLAUSIBILITY OF AT LEAST ONE MEASURED VALUE DETERMINED IN A PRINTING PRESS - The plausibility of at least one measured value, that is determined in a printing press, and that includes a density of an ink applied to a stock, is assessed. The stock is conveyed through the printing press and the ink is applied to the stock in several inking zones. A relation is formed between a measured ink density value, which is determined for a specific ink in a selected ink zone, and a measured ink density value determined for the same ink in at least one other inking zone. The measured ink density value for the specific ink in the selected ink zone is rejected as being implausible, and is not used for automatically regulating the ink in the printing press, if the relation between the measured value and the measured value for the same ink in the at least one other inking zone inadmissibly either exceeds or lies below at least one predefined threshold value. | 06-09-2011 |
20110179962 | Automated press speed optimization - A method of operating a web printing press is provided. The method includes storing productivity data, press speeds and paper types of past print jobs run on the web printing press in a database; comparing a paper type of a new print job with the paper types of the past print jobs stored in the database to identify past print jobs with similar or the same paper type as the new print job; selecting a press speed for the new print job based on at least the productivity data of the past print jobs with similar or the same paper type as the new print job; and printing the new print job on the web printing press at the selected press speed. | 07-28-2011 |
20110252992 | Reflex Printing With Temperature Feedback Control - A method for operating a web printing system enables web and roller changes arising from temperature changes to be identified and used to adjust operation of the reflex registration system. The method includes identifying a temperature change for at least one roller in a web printing system, identifying a temperature change for a web moving through the web printing system at one or more locations in the web printing system, modifying web velocity computations for a reflex registration system with reference to the identified temperature change for the at least one roller and the identified temperature change for the web, and operating printheads to eject ink onto the web at positions identified with reference to the modified web velocity computations. | 10-20-2011 |
20110315036 | Controlling Drive Settings In A Press - In one embodiment, a method for controlling drive settings in a press for printing on a web of media. A drive is provided to receive the web from an upstream location and to transport the received web downstream of the drive at a controllable speed. The speed of the drive is sampled plural times while operating the drive in a tension control mode that varies the speed to maintain a desired tension in the web adjacent the drive. An optimal speed of the drive is calculated from the sampled speeds. The drive is operated in a constant velocity mode at the optimal speed during printing. | 12-29-2011 |
20120073464 | PRINT CONTROL STRIP FOR COLOR MEASUREMENT ON PRINTING MATERIAL, MEASURING METHOD AND METHOD OF METERING INK - A print control strip to be applied to printing material during a multicolor printing process, includes multiple measuring fields associated with one ink zone on the printing material. The measuring fields, which are associated with one ink zone, include at least two gray measuring fields. A method of measuring measuring fields in print control strips on printing material with a measuring device and a control unit connected thereto, and a method of controlling metering of ink in offset printing presses including at least one ink metering device in each printing unit and a control unit, are also provided. | 03-29-2012 |
20120216695 | METHOD FOR CONTROLLING INKING IN A PRINTING PRESS WITH MACHINE-DEPENDENT COMPENSATION IN INKING AND DAMPENING UNITS - A method for controlling the inking in a printing press includes compensation of an ink requirement in an inking unit and/or compensation of a dampening solution requirement in a dampening unit of the printing press in the event of a change in the printing speed. The printing speed profile or machine state prevailing before the instant of the change in the printing speed is taken into consideration in the compensation of the metering of ink or dampening solution. | 08-30-2012 |
20120272851 | METHOD FOR OPERATING A PRINTING PRESS - A method of operating a sheet-fed printing press includes storing various print jobs and/or associated setting values and process steps in a memory device to set up the printing press upon a job change. A computer implements or suggests settings or process steps of the printing press for a print job based on the job data of a print job and/or as a result of inputs by the operator. Before or immediately after a print job is completed, the computer generates a query requesting inputs that determine if the same print job requires further passes and if so, which passes are required and, based on the information input therein, implements only those settings on the printing press and/or initiates or suggests only those process steps that are necessary for the subsequent pass of the sheets that have already been printed. | 11-01-2012 |
20120279410 | METHOD FOR DETERMINING SETTING ERRORS IN A SHEET-FED PRINTING PRESS - A method for determining setting errors in a sheet-fed printing press includes recording a geometry of a printed sheet running through the printing press with an imaging system and comparing the recorded geometry with intended geometries for evaluation. An imaging system oriented substantially perpendicular to a sheet surface at least partly registers visible contours of sheet edges and conclusions are drawn, from measured deviations of the sheet edges in relation to intended contours, as to at least one of the following setting errors of the printing press:
| 11-08-2012 |
20120285343 | METHOD FOR CONTROLLING A PRINTING PROCESS - A method for controlling a printing process is disclosed. The method includes printing a printing material by a printing unit on a basis of data of a prepress stage. A printed result on the printing material is compared with a desired value and a correction value is derived from the comparison. The data of the prepress stage is corrected with the correction value. | 11-15-2012 |
20130008333 | DEVICE AND METHOD FOR PRINTING SURFACES OF MATERIAL PANELS, ESPECIALLY WOOD PANELS, WITH A MULTI-COLOUR IMAGE - A device and method for printing surfaces of material panels, especially wood panels, with a multi-color image. The printing device includes a collision prevention system, a sensor arranged on the printing unit identifying objects that may appear on the surface of the material panel, the identification of an object causing the means for moving the printing unit to have an immediate braking reaction and/or causing the printing unit to move upwards, out of the way, by means of lifting means. The sensor, arranged in the printing direction at a distance from the printing unit, as a wire, thread or contact plate, identifies the object by contact by vibrations or contact pressure. | 01-10-2013 |
20130014659 | METHOD FOR CONTROLLING THE AMOUNT OF DAMPENING SOLUTION IN A PRINTING UNIT OF A PRINTING PRESSAANM ELTER; PETERAACI MUHLHAUSENAACO DEAAGP ELTER; PETER MUHLHAUSEN DEAANM PFEIFFER; NIKOLAUSAACI HEIDELBERGAACO DEAAGP PFEIFFER; NIKOLAUS HEIDELBERG DE - A method for controlling an amount of dampening solution in a printing unit of a printing press using a computer and a measuring device, includes setting an amount of dampening solution in the printing unit based on data of a current print job, reducing the amount of dampening solution towards a smearing threshold with the computer, recording color measurement values with the measuring device in at least one full tone area with low area coverage and in at least one halftone area with high area coverage on a printing material of the current print job, and stopping the reduction of the amount of dampening solution with the computer when a dot gain of the halftone in areas with high area coverage increases significantly and a density of the full tone in areas with low area coverage increases significantly. | 01-17-2013 |
20130220158 | SYSTEM AND A METHOD FOR DETECTING MATERIAL PARAMETERS - A detecting unit is provided, including a transmitter arranged to emit electromagnetic radiation, having a frequency in the range of 0.1 to 10 THz, towards a paper web moving in a printing unit; a receiver arranged to receive electromagnetic radiation being transmitted through or reflected by the paper web and to create a signal representing the received radiation; and a controller having an input channel for receiving the signal and a calculating unit for determining a measure relating to the properties of the paper web from the signal. | 08-29-2013 |
20130269560 | SYSTEM AND METHOD FOR ADJUSTING AND MONITORING THE PRESSURES OF PRINTING ROLLERS IN A FLEXOGRAPHIC PRINTING MACHINE WITH CENTRAL DRUM - A system for adjusting and monitoring the pressures of the printing rollers of a flexographic printing machine, which comprises at least one reader which is adapted to be placed at the printing rollers of the printing machine. The reader is adapted to detect the contrast of the print on the printing material wrapped around the central drum of the printing machine and is connected to a processing unit which is adapted to determine and control, as a function of the contrast detected by the reader, the position of the printing rollers with respect to the central drum in order to achieve the desired print. | 10-17-2013 |
20130276656 | LIQUID TRANSFER APPARATUS - A liquid transfer apparatus includes a supply cylinder and viscosity reducing agent supply unit. The supply cylinder comes into contact with a transfer target body and supplies a transfer liquid to the transfer target body. The viscosity reducing agent supply unit supplies a viscosity reducing agent which reduces a viscosity of the transfer liquid to the supply cylinder after the apparatus emergently stops and before the supply cylinder starts transfer. | 10-24-2013 |
20150323889 | Electrophotographic Printing - Disclosed herein is a method for electrophotographic printing, the method comprising:
| 11-12-2015 |
20160082717 | METHOD TO DAMP AN OSCILLATION OF A DRIVEN ROLLER IN A PRINTING SYSTEM - In a method to damp an oscillation of a roller driven via a drive in a printing system, a printing substrate web is directed across the roller, the roller and the printing substrate web forming a system capable of vibrating. With the drive the roller is driven with a predetermined nominal moment. With a sensor, a real value is determined of a variable representative of a velocity with which the printing substrate web is transported by the roller. In aid of a predetermined calculation rule, a correction moment is calculated from the determined real value such that a damping of the vibration-capable system results like a mechanical viscous damper. The correction moment is added to the predetermined nominal moment upon activation of the drive. | 03-24-2016 |
20190143673 | CONTROL CONSOLE OF A PRINTING MACHINE | 05-16-2019 |