| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 101147000 | Dampeners | 46 |
| 20080229945 | Spray dampening valve having associated electronic adjustment and correction data - An embodiment of the present method and apparatus may have: a spraybar assembly having a plurality of spray valves; a unique identification associated with the spraybar assembly; response profile having a plurality of characteristic profiles, characteristic profiles of the plurality of characteristic profiles correspondingly respectively to spray valves of the plurality of spray valves; and the response profile being associated with the spraybar assembly. | 09-25-2008 |
| 20080245245 | Spray dampening valve with a seal assembly having at least a deformable end surface for use in an offset printing process - An embodiment may have a stationary valve seat having a predefined surface and having at least one protruding portion, and a moveable plunger assembly having a seal assembly, the seal assembly having at least a deformable end surface. In a closed position the predefined surface of the stationary valve seat substantially contacts a first predetermined area of the end surface of the moveable plunger assembly. Also, in the closed position the at least one protruding portion of the stationary valve seat engages a second predetermined area of the end surface of the moveable plunger assembly. | 10-09-2008 |
| 20080257180 | Dampening Control for a Printing Press - Apparatus for dampening a printing press comprises a spray bar ( | 10-23-2008 |
| 20080271618 | Procedure and device to clean the nozzles of a spray dampening unit - The invention involves a printing press comprising a spray dampening unit | 11-06-2008 |
| 20090025584 | Method for Developing Printing Plates in an Offset Printing Press and Printing Press for Carrying out the Method - A method for developing printing plates in a printing press having at least one printing unit includes loading an imaged, undeveloped printing plate with dampening solution before a start of printing for dampening in at least one printing unit of the printing press for an active duration corresponding at least to one and one half times a time duration or number of machine revolutions provided before a start of printing when an already developed printing plate is used in the same printing press. A printing press for carrying out the method is also provided. | 01-29-2009 |
| 20090188401 | Apparatus and Method for Conditioning Dampening Solution for an Offset Printing Press, Dampening System and Offset Printing Press - An apparatus and a method for conditioning dampening solution for an offset printing press, include a cation exchanger for the removal of salt-forming ions from the dampening solution. The operation of the cation exchanger leaves the pH of the dampening solution unchanged. The apparatus includes a control device based on measuring the water hardness of the dampening solution for the supply of the dampening solution to the cation exchanger. A dampening system and an offset printing press are also provided. | 07-30-2009 |
| 20090241786 | Device for performing the wetting operation for offset printing - Device for performing the wetting operation for offset printing, comprising a main receptacle ( | 10-01-2009 |
| 20090249970 | Dampening Device of a Spray-Dampening Unit - A dampening device of a spray-dampening unit includes a dampening-unit housing, with a positioning element and a spray bar, the positioning element having a mounting region and an abutment region, and being mounted exchangeably on the dampening-unit housing via the mounting region, and the abutment region configured such that the spray bar can be brought to abut against the abutment region, so that a defined position of the spray bar in relation to the dampening-unit housing can be ensured, and also to a method for positioning a spray bar in a dampening device of this type, including the steps of providing a set of positioning elements which each have a mounting region and an abutment region, the set having different positioning elements, selecting a positioning element suitable for a desired position of the spray bar in the dampening-unit housing from the set, and mounting the selected positioning elements. | 10-08-2009 |
| 20090282995 | Dampening system housing - A method for producing a dampening system housing, includes the steps of providing a longitudinal housing element prepared from a flat component, making available two side parts with grooves for accommodating the longitudinal housing element, inserting the longitudinal housing element in the grooves and sealing the longitudinal housing element in the grooves, as well as a correspondingly produced dampening system housing. | 11-19-2009 |
| 20090308269 | Spray dampening valves with associated drive signals in an offset printing process - An embodiment of the present method and apparatus may have: a printing unit having a plurality of spraybar assemblies; each of the spraybar assemblies having a respective plurality of spray valves; a controller that outputs respective predetermined control signals of a plurality of control signals for the plurality of spray valves in each of the spraybar assembly; and each control signal of the plurality of control signals having a series of positive and negative pulses; wherein residual magnetism is substantially minimized in the spray valves by the occurrence of positive and negative pulses. | 12-17-2009 |
| 20100000430 | OFFSET PRINTING PROCESS - An offset printing process is carried out in an offset printing unit. Offset printing ink pre-emulsified with a dampening solution is supplied to the offset printing unit through an ink metering device and further dampening solution is supplied in the offset printing unit. The offset printing ink is applied to a printing form with at least one ink applicator roller and a printing material is printed with the offset printing ink. In this way, a subject-independent, constant margin from the smearing limit for offset printing is obtained. | 01-07-2010 |
| 20100018416 | APPARATUS AND METHOD FOR DRIVING A PRINTING PRESS - A printing-press driving apparatus and method capable of printing that employs a processless plate in order to suppress an increase in waste paper by properly performing a water process on the processless plate. In a water process in the case of employing the processless plate, control is performed so that while a plate cylinder with the processless plate placed thereon is being rotated without actual contact with continuous paper, the water process is performed only for a predetermined period of time, and continuous paper travels at a lower speed than a peripheral speed of the plate cylinder. | 01-28-2010 |
| 20100101436 | PRINTING UNIT OF A ROTARY PRINTING PRESS AND A METHOD FOR WASHING A DAMPENING UNIT OF A PRINTING UNIT - A printing unit of a rotary printing press includes a forme cylinder. An inking unit interacts with the forme cylinder and has a plurality of inking rolls. A dampening unit also interacts with the forme cylinder and has a plurality of dampening rolls. A washing device interacts with at least one of the inking rolls and dampening rolls for washing the inking unit and/or the dampening unit. The inking unit includes a plurality of ink applicator rolls which can be placed directly onto the forme cylinder during printing operation. The dampening unit has at least one dampening rotation applicator roll that can also be placed directly onto the forme cylinder during printing operations. In a washing position, one of the plurality of ink application rolls and the dampening rotation applicator roll are brought directly into contact with each other. | 04-29-2010 |
| 20100199866 | Filtration for Printing Presses - A dampening solution circuit for a printing machine, includes a dampening unit, a dampening solution main reservoir, a dampening solution supply for feeding the dampening solution to the dampening unit from the dampening solution main reservoir and a dampening solution return for returning the dampening solution from the dampening unit into the dampening solution supply and a cleaning branch with a dampening solution cleaning apparatus is provided in the region of the dampening solution return, which cleaning branch is configured in such a way that during the operation of the dampening solution circuit a first dampening solution partial flow from the dampening solution main flow can be passed through the dampening solution cleaning apparatus, and the cleaning branch is connected in such a manner that the dampening solution cleaned in the dampening solution cleaning apparatus can be returned into the dampening solution supply. | 08-12-2010 |
| 20100206190 | SPRAY DAMPENER - It is, therefore, an object of the present invention to provide a spray dampener which prevents the foreign matter such as ink mist from being introduced into the spray dampener and prevent the dampening water in the spray dampener from being leaked outside that. | 08-19-2010 |
| 20100229742 | Damping Water Circulator - There are provided damping water circulators ( | 09-16-2010 |
| 20110072989 | PRINTER - A printer includes an upper unit which opens and closes about a fulcrum lying at a rear position of a lower unit, and a paper path which is opened by opening the upper unit. A sensor unit is attached to the lower unit and includes a lower sensor holder and an upper sensor holder which are disposed in opposition to each other via the paper path. The paper path can be opened by pivoting the upper sensor holder relative to the lower sensor holder. When the upper unit is closed, the upper sensor holder is also closed in accordance with a closing pivoting motion of the upper unit. | 03-31-2011 |
| 20110290128 | DEVICE AND A METHOD FOR FEEDING DAMPENING SOLUTION IN AN OFFSET PRINTING UNIT - A device for feeding dampening solution in an offset printing unit is presented. The device comprises a plurality of nozzles ( | 12-01-2011 |
| 20120103212 | Variable Data Lithography System - A variable data lithography system includes an improved imaging member, a dampening solution subsystem, a patterning subsystem, an inking subsystem, and an image transfer subsystem. The imaging member comprises a reimageable surface layer comprising a polymer, the reimageable surface having a surface roughness Ra in the range of 0.10-4.0 μm peak-to-valley, and peak-to-valley nearest neighbor average distances finer than 20 μm. A structural mounting layer may be provided to which the reimageable surface layer is attached, either directly or with intermediate layers therebetween. The relatively rough surface facilitates retention of dampening solution and improves inking uniformity and transfer. The reimageable surface layer may be comprised of polydimethylsiloxane (silicone), and may optionally have particulate radiation sensitive material disbursed therein to promote absorption, and hence heating, from an optical source. | 05-03-2012 |
| 20120312178 | METHOD AND APPARATUS FOR CONDITIONING A DAMPENING SOLUTION FOR HARDNESS CONTROL - A method and an apparatus for conditioning a dampening solution of a wet offset printing machine, include keeping constant or changing the hardness of the dampening solution added to a container during processing of a print job. The hardness of the dampening solution is determined by measuring the conductivity of the dampening solution and is converted into a hardness value according to a determined formula-based or table-based relationship between the hardness and the conductivity of the dampening solution. The change of the hardness of the dampening solution is compensated for during printing by replacing used or withdrawn dampening solution with dampening solution that has a lower or higher hardness, wherein the amount and/or the degree of hardness of the supplied dampening solution having lower or higher hardness is determined from the conductivity measurements and the formula-based or table-based relationship. | 12-13-2012 |
| 20130047873 | RELEASE FLUID DELIVERY AND DAMPENING SYSTEM CLEANING METHODS, APPARATUS AND SYSTEMS FOR RADIATION CURABLE GEL INK PRINTING - A dampening fluid delivery apparatus includes a water delivery line, a surfactant delivery line, and a cleaning solution delivery line, each connected to a mixing chamber. An open and closed state and a flow rate of one or more of the delivery lines may be controlled. Delivery lines may be pressurized and fitted with valves. The valves may be controlled using an electrically connected controller. The controller may control the dampening fluid delivery apparatus in accordance with at least one of print mode data and cleaning mode data. | 02-28-2013 |
| 20130055912 | APPARATUS AND METHOD FOR REDUCING VIBRATIONS OF SCANNING SENSORS IN WEB MANUFACTURING OR PROCESSING SYSTEMS - An apparatus includes a scanning head configured to move one or more sensors back and forth across a surface of a moving web of material. The apparatus also includes a vibration dampening device configured to reduce vibrations of the one or more sensors when the scanning head moves the one or more sensors back and forth across the surface of the web. The vibration dampening device includes at least one mass and one or more springs configured to create oscillatory movement of the at least one mass. The at least one mass and the one or more springs can be located within a housing that rides on a rail back and forth to move the scanning head across the surface of the web. The at least one mass and the one or more springs can also be located on a web deflector connected to the scanning head. | 03-07-2013 |
| 20130104756 | DAMPENING FLUID FOR DIGITAL LITHOGRAPHIC PRINTING | 05-02-2013 |
| 20130247787 | Evaporative Systems and Methods for Dampening Fluid Control in a Digital Lithographic System - A system and corresponding methods are disclosed for controlling the thickness of a layer of dampening fluid applied to a reimageable surface of an imaging member in a variable data lithography system. Following deposition of the dampening fluid layer, a gas is passed over a region of the fluid layer prior to pattern forming. The gas causes a controlled amount of the dampening fluid layer to evaporate such that the remaining layer is of a desired and controlled thickness. Among other advantages, improved print quality is obtained. | 09-26-2013 |
| 20130247788 | Dampening Fluid Deposition by Condensation in a Digital Lithographic System - A system and corresponding methods are disclosed for depositing of a layer of dampening fluid to a reimageable surface of an imaging member in a variable data lithography system by way of condensation. Dampening fluid in an airborne state is introduced proximate the reimageable surface in a condensation region. Conditions in the condensation region are such that the airborne dampening fluid preferentially condenses on the reimageable surface in a precisely controlled quantity, to thereby form a precisely controlled layer of dampening fluid of desired thickness over the reimageable surface. Among other advantages, improved print quality is obtained. | 09-26-2013 |
| 20140060351 | SYSTEMS AND METHODS FOR INK-BASED DIGITAL PRINTING USING DAMPENING FLUID IMAGING MEMBER AND IMAGE TRANSFER MEMBER - An ink-based digital printing system for variable data lithographic printing includes an imaging member having a surface configured to absorb dampening fluid. A dampening fluid patterning system jets dampening fluid onto the imaging member surface according to image data to form a dampening fluid pattern. The system includes a transfer member that receives the jetted dampening fluid pattern from the imaging member at a dampening fluid loading nip for subsequent inking of the dampening fluid pattern to form an ink pattern. The ink pattern is transferred to a substrate from the transfer member at an ink pattern transfer nip. | 03-06-2014 |
| 20140060352 | IMAGING MEMBER FOR OFFSET PRINTING APPLICATIONS - An imaging member includes a surface layer comprising a fluoroelastomer-perfluoropolyether composite formed from a reaction mixture comprising a fluoroelastomer and a perfluoropolyether compound. Methods of manufacturing the imaging member and processes for variable lithographic printing using the imaging member are also disclosed. | 03-06-2014 |
| 20140174310 | SYSTEMS AND METHODS FOR INK-BASED DIGITAL PRINTING USING A VAPOR CONDENSATION DAMPENING FLUID DELIVERY SYSTEM - An ink-based digital printing system includes a dampening fluid delivery system that forms a dampening fluid layer on a reimageable surface of an imaging plate using vapor condensation. The system includes a delivery nozzle having a chamber that receives atomized dampening fluid, mixes the fluid with hot air or nitrogen gas for rapid vaporization, and directs the vapor onto an imaging member surface for condensation and dampening fluid layer formation. | 06-26-2014 |
| 20140261030 | SYSTEMS FOR APPLYING DAMPENING FLUID TO AN IMAGING MEMBER FOR INK-BASED DIGITAL PRINTING - A dampening fluid metering system includes an anilox roll configured to meter dampening fluid onto a surface of an imaging member to form a thin, uniform layer of dampening fluid for subsequent imaging by exposure to light radiation. The anilox roll is configured to form a dampening fluid layer that is uniform and has a thickness of 1 micron or less, and preferably a thickness lying in a range of 0.2 to 1 micron. | 09-18-2014 |
| 20140318397 | SYSTEMS AND METHODS FOR IMPLEMENTING DIGITAL OFFSET LITHOGRAPHIC PRINTING TECHNIQUES WITH A PLURALITY OF INTERMEDIATE TRANSFERS - A system and method are provided for optimizing a multi-color variable digital data lithographic image forming system by controlling characteristics of one or more individual color inks to maximize ink transfer of a particular color ink layer onto the surface of an image receiving medium substrate, or onto other color ink layers deposited on the surface of the image receiving medium substrate when producing digital output images, including multi-color digital output images, with a proposed variable digital offset lithographic architecture. Ink characteristics and ink transfer parameters are particularly optimized in the proposed variable digital data lithographic systems to promote high efficiency ink transfer from an ink donor surface to an ink receiver surface in order that excessive amounts of untransferred ink do not remain on the ink donor surface requiring extensive cleaning of the reimageable surface in the image forming system between cycles of a multi-color ink system. | 10-30-2014 |
| 20160059541 | PRINTING PRESS - A printing press includes an impression cylinder, a blanket cylinder, a collecting plate cylinder, a collecting blanket cylinder, a plurality of partial plate cylinders, a plurality of inking devices, and a dampening unit. The impression cylinder holds and transports a sheet. The blanket cylinder is in contact with the impression cylinder. The collecting plate cylinder is in contact with the blanket cylinder, and a lithographic printing plate is mounted on the collecting plate cylinder. The collecting blanket cylinder is in contact with the collecting plate cylinder. The plurality of partial plate cylinders are in contact with the collecting blanket cylinder. The plurality of inking devices supply ink to the plurality of partial plate cylinders, respectively. The dampening unit supplies dampening water to the collecting plate cylinder. | 03-03-2016 |
| 101148000 | Roller fountain | 15 |
| 20080307988 | Central manifold supply for spray bar - A spray bar includes a manifold or multiple manifolds located on the spray bar. More specifically, the spray bar includes one or more manifolds connected to dedicated feed lines each having a spray head, resulting in improved lateral spray distribution. | 12-18-2008 |
| 20090025585 | Method for Starting Continuous Printing with Reduced Application of Dampening Solution and Printing Press for Carrying out the Method - A method for operating an offset printing press having at least one printing unit with an inking unit, a plate cylinder for receiving a printing plate, a blanket cylinder, an impression cylinder and a dampening unit, and for controlling an application of dampening solution from the dampening unit onto the plate cylinder, includes predampening the printing plate. After a printing pressure has been switched on between the blanket cylinder and the impression cylinder and after a printing material transport through the offset printing press has been switched on, a supply of dampening solution to the plate cylinder in the printing unit is reduced to a pronounced extent at least once for a short predefined time period, as a result of which an excess of dampening solution produced by the predampening does not accumulate permanently in the inking unit. A printing press for carrying out the method is also provided. | 01-29-2009 |
| 20090199730 | APPARATUS AND METHOD FOR DRIVING A PRINTING PRESS - An apparatus and method for driving a printing press, which are capable of easily and properly performing a water process on a processless plate so that the labor of an operator can be lessened, and also capable of printing that employs the processless plate in order to suppress an increase in the make ready time of the printing press itself and an increase in waste paper due to the water process. The apparatus includes plate determining means for determining whether a printing plate placed on a plate cylinder ( | 08-13-2009 |
| 20090314171 | METHOD FOR ROLLER ADJUSTMENT IN A PRINTING PRESS AND DAMPENING UNIT OF A PRINTING PRESS - A method for roller adjustment in a printing press includes providing a first roller, a second roller and a third roller. The second roller bears both against the first roller and against the third roller and is oriented in an axially nonparallel manner relative to the third roller. The first roller is displaced into a position in which the first roller is oriented in an axially nonparallel manner relative to the third roller. A dampening unit for carrying out the method is also provided. | 12-24-2009 |
| 20100043657 | Method for Operating a Damping System, Damping System, and Printing Group - A method for operating a dampening system of a printing group of a printing machine, especially a web-fed rotary printing press, the dampening system comprising a dampening means dosing device provided with a plurality of dosing units, a dampening system rolling mill drive having at least one dampening system roller, and at least one dampening means application roller. The application of the dampening means is adapted to the width of the material to be printed or to widths of the sides of the material to be printed. | 02-25-2010 |
| 20100307354 | DUMPING UNIT FOR A PRESS - A damping unit for a press has means for applying a clamping 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. | 12-09-2010 |
| 20110011289 | ROTARY LITHOGRAPHIC PRINTING MACHINE - A rotary lithographic printing machine includes an inking unit with a plurality of inking rollers and a dampening unit with a plurality of dampening rollers. One of the dampening rollers has a porous surface from which dampening solution emerges. At least two further rollers are disposed in a dampening solution flow between the dampening roller having the porous surface and a plate cylinder. | 01-20-2011 |
| 20120103213 | Ink Rheology Control Subsystem for a Variable Data Lithography System - A subsystem for controlling the rheology of ink applied to an imaging surface of a variable data lithography system comprises an ink reservoir, an ink application subsystem for applying ink from the ink reservoir over the imaging surface at a first ink temperature, and an ink complex viscoelastic modulus control subsystem for modifying the complex viscoelastic modulus of the ink from a first value at the ink reservoir to a second value prior to transfer of the ink from the imaging surface to a substrate. The ink complex viscoelastic modulus control subsystem may comprise a partial curing stage, such as a photo-curing stage. The ink may optionally include photoinitiators to assist with the partial curing. Alternatively, the ink complex viscoelastic modulus control subsystem may consist of an ink pre-heating subsystem and/or a post-application cooling system. | 05-03-2012 |
| 20120145019 | ROLLER MICROCONTACT PRINTING DEVICE AND PRINTING METHOD THEREOF - A roller microcontact printing device and a printing method of the device are revealed. The roller microcontact printing device includes a transfer module with a transfer roller and a supply module. The supply module provides an isolating solution and a thin film material to the transfer module to form an isolation layer and a thin film layer in turn on the surface of the transfer roller. Then the thin film is transferred to a substrate by the transfer roller. The microcontact print device and method are used in a roll-to-roll printing process. Thus the production efficiency of the thin film layer on the substrate is improved and the cost is reduced. | 06-14-2012 |
| 20120145020 | DEVICE FOR REGULATING THE APPLICATION OF DAMPENING SOLUTION AND INK IN A PRINTING PRESS - A device for regulating the application of dampening solution in a printing press is disclosed. The device includes a dampening solution quantity adjustment apparatus, where a quantity of dampening solution applyable to a printing press cylinder is adjustable by the dampening solution quantity adjustment apparatus. An ink measuring device detects printing parameters of an ink applied to a printing substrate selectively and/or over an entire width of the printing substrate. A control and regulating device analyzes detected printing parameters and controls the dampening solution quantity adjustment apparatus. | 06-14-2012 |
| 20120145021 | ROLLERS FOR DAMPENING UNITS - Roll in a dampening system, particularly a dampening contact roll or dampening transfer roll or dampening ductor, comprising a core and an outer layer, wherein the outer layer is selected from the group consisting of hard anodized aluminum, chemical nickel and aluminum oxide, obtainable by plasmachemical anodic oxidation, and combinations thereof. | 06-14-2012 |
| 20120174807 | Adjustable Inking or Dampening Apparatus for a Variable Cutoff Press and Method - An adjustable dampening apparatus and an adjustable inking apparatus is provided. The adjustable dampening apparatus includes a rotatable base for supporting a dampening roller, a rotatable socket connected to the rotatable base for adjusting a position of the dampening roller, a first actuating device connected to the rotatable base for positioning the rotatable base in a predetermined position for a given cutoff and a second actuating device connected to the rotatable socket for positioning the rotatable socket between a first position and a second position. Adjustable inking apparatus and variable cutoff printing presses are also provided. A method for adjusting dampening apparatus and inking apparatus are also provided. | 07-12-2012 |
| 20130032050 | Environmental Control Subsystem for a Variable Data Lithographic Apparatus - Methods and structures are disclosed to minimize the presence of vapor clouding in the path between an energy (e.g., radiation) source and the dampening fluid layer in a variable data lithography system. Also disclosed are conditions for optimizing vaporization of regions of the dampening fluid layer for a given laser source power. Conditions are also disclosed for minimizing re-condensation of vaporized dampening fluid onto the patterned dampening fluid layer. Accordingly, a reduction in the power required for, and an increase in the reproducibility of, patterning of a dampening fluid layer over a reimageable surface in a variable data lithography system are disclosed. | 02-07-2013 |
| 20130180420 | METHOD AND SYSTEM FOR CONTROL OF FOUNTAIN SOLUTION OF A PRINTING PRESS - The present describes a method and system for controlling conductivity of fountain solution during printing. | 07-18-2013 |
| 20130199387 | Dampening Fluid Recovery in a Variable Data Lithography System - In a variable data lithography system that employs a patterned dampening fluid layer for image formation, dampening fluid may be removed prior to image transfer to a substrate. Removed dampening fluid may be recovered and recycled to reduce operating expenses and environmental waste. A replacement fluid may be applied after inking and after removal of the dampening fluid. The replacement fluid preferentially occupies the regions previously occupied by dampening fluid, and may lubricate the transfer nip. Any replacement fluid and ink not transferred to the substrate upon printing may then be cleaned from the print image carrier prior to forming a new dampening fluid layer and subsequent pattern formation. | 08-08-2013 |
