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42results about "Wet duplicators" patented technology
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System and methods for data-driven control of manufacturing processes
Systems and methods for implementing hybrid, closed-loop control that generates control values for processes defined by a limited number of function evaluations and large amounts of process and measurement noise. The described control system is applied to a stencil printing process for applying solder paste to an electronic medium such as a printed circuit board or semiconductor wafer. The control system is defined by a hybrid approach. A first, coarse algorithm is used to rapidly produce the value of a stencil printer control value resulting in a solder paste deposit having a volume within predetermined acceptable limits. After the coarse algorithm no longer produces solder paste deposits closer to a desired volume, a second, more refined estimator is used to fine tune the process. An additional transitional algorithm may be added between the coarse algorithm and refined estimator. The coarse algorithm may be implemented with a constrained-conjugated gradient search, and the refined search may be a implemented using a least-squares affine estimator or a quadratic estimator. The transitional algorithm may be implemented using a block version of a least-squares affine estimator.
Owner:GEORGIA TECH RES CORP
Radiation-curable polymerizable composition, ink composition, inkjet recording method, printed material, planographic printing plate, and method for forming planographic printing plate
InactiveUS7900558B2Cylinder pressesLiquid surface applicatorsPolymer scienceHindered amine light stabilizers
Owner:FUJIFILM CORP
Method for thermally processing photosensitive printing sleeves
ActiveUS20060105268A1Minimize relief variationHigh image fidelityRadiation applicationsDry duplicatorsPhotopolymerHeat sensitive
An improved method of manufacturing a photosensitive printing element that minimizes relief variation and improves image fidelity. The method involves a step of pre-curing the first (floor layer) of photocurable material prior to depositing an additional layer or layers of photocurable material that may be imaged and developed to produce a desired relief image on the surface of the photosensitive printing element. The photosensitive printing element is then thermally developed by contacting the photosensitive printing element with at least one roll that is capable of moving over at least a portion of the imaged surface of the flexographic printing element to remove the softened or melted non-crosslinked photopolymer. Non-crosslinked photopolymer on the imaged and exposed surface of the flexographic printing element can be softened or melted by positioning a heater adjacent to the imaged surface of the flexographic printing element and / or heating the at least one roll that contactable with the imaged surface of the flexographic printing element.
Owner:MACDERMID PRINTING SOLUTIONS
Printing form having a plurality of planar functional zones
InactiveUS20050181187A1Well formedDecorative surface effectsDry duplicatorsAbsorbed energyEngineering
Imageable printing forms are irradiated by radiant energy corresponding to the image information, the energy being absorbed in the printing form. The energy coupled in in this manner is available for patterning the printing form surface. A printing form having a plurality of substantially planar functional zones, which have at least one informational zone that is modifiable in accordance with image information and an absorption zone for absorbing energy from a radiation is distinguished in that a buffer zone is provided which differs at least partially from the absorption zone, receives energy from the absorption zone, and releases energy to the informational zone.
Owner:HEIDELBERGER DRUCKMASCHINEN AG
Apparatus and Methods for Controlling Application of a Substance to a Substrate
InactiveUS20110132213A1Dry duplicatorsHectographic duplicationControl substancesBiomedical engineering
Apparatus and methods for controlling application of a substance to a substrate involve the use of a gating agent that blocks the substance from or attracts the substance to the substrate. The apparatus and methods may utilize ink jet technology to apply the gating agent directly to the substrate or to an intermediate surface. The substance may be an ink, an electrically conductive material, a magnetic material, a carrier for a therapeutic, diagnostic, or marking substance other than an ink, or a carrier for any other type of substance.
Owner:R R DONNELLEY & SONS CO
Method and system for contacting of a flexible sheet and a substrate
ActiveUS20090314414A1Less thicknessIncrease stiffnessPlaten pressesNanoinformaticsSecondary stageEngineering
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Method for thermally processing photosensitive printing sleeves
ActiveUS7081331B2Minimize relief variationHigh image fidelityPhotosensitive materialsRadiation applicationsPhotopolymerHeat sensitive
An improved method of manufacturing a photosensitive printing element that minimizes relief variation and improves image fidelity. The method involves a step of pre-curing the first (floor layer) of photocurable material prior to depositing an additional layer or layers of photocurable material that may be imaged and developed to produce a desired relief image on the surface of the photosensitive printing element. The photosensitive printing element is then thermally developed by contacting the photosensitive printing element with at least one roll that is capable of moving over at least a portion of the imaged surface of the flexographic printing element to remove the softened or melted non-crosslinked photopolymer. Non-crosslinked photopolymer on the imaged and exposed surface of the flexographic printing element can be softened or melted by positioning a heater adjacent to the imaged surface of the flexographic printing element and / or heating the at least one roll that contactable with the imaged surface of the flexographic printing element.
Owner:MACDERMID PRINTING SOLUTIONS
Method and article for applying and monitoring a surfactant
InactiveUS7544409B2Easily and conveniently performedCosmetic preparationsMake-upEngineeringBULK ACTIVE INGREDIENT
Owner:SPENCERHALL
System and method for printing customized graphics on footwear and other articles of clothing
A shoe platen to securely hold a shoe so that graphics, including custom graphics, can be printed on the shoe automatically. The platen comprises a shoe plate 102 configured to receive shoes such as high-top shoes or low top shoes. Adjusters 104, 106 can also be used to accommodate shoes of various styles and sizes.
Owner:TRB & ASSOC LLC
Ink composition, inkjet recording method, method of producing planographic printing plate, and planographic printing plate
The invention provides an ink composition which includes a polymerization initiator, a polymerizable compound, a colorant, and a high molecular compound having a repeating unit represented by the following formula (I). In formula (I), n represents an integer of from 1 to 5.
Owner:FUJIFILM CORP
Ink for excimer curing
A lithographic ink composition that comprises a colorant having absorbency wavelength cutoffs of about 300 nm or longer, acrylate-functional materials, and a photoinitiator that absorbs at a wavelength of 300 nm or longer is formulated with a mileage of from about 1.1 to about 1.3 grams per square meter or to reach a desired print density at 2 microns or less print layer thickness. The lithographic ink cures faster and can be printed at a faster rate, particularly when curing is to be done with an excimer light source.
Owner:FLINT INK
Spray device
Owner:SHANGHAI ELECTRICGROUP CORP
Image recording sheet moistening device and image printing apparatus
A sheet moistening device comprises a pair of moistening rollers which respectively have porous layers and form a nip to convey a sheet, and a dampening mechanism which supplies water to at least one of the pair of moistening rollers through a surface thereof. In the sheet moistening device, a roller surface hardness differs between the pair of moistening rollers. In addition, the sheet moistening device can further comprise a regulating device which regulates an amount of water to be supplied from the dampening mechanism to the moistening roller.
Owner:KONICA MINOLTA BUSINESS TECH INC
Method and article for applying and monitoring a surfactant
InactiveUS20060016352A1Easy and convenient to performEasily and conveniently performedCosmetic preparationsRotary intaglio printing pressEngineeringBULK ACTIVE INGREDIENT
The present invention is directed to a method and an article for performing the method of monitoring a surfactant. A preferred embodiment of the invention, an article comprises a substrate having an image and a surfactant thereon. The substrate is formed from various known fabrics or materials capable of absorbing and retaining a substantial quantity of the surfactant. During use, as the surfactant is dissipated, the image changes in appearance thereby indicating the quantity of surfactant remaining on the substrate. In a preferred embodiment of the invention, the method and article of the present invention is effective for encouraging and making washing enjoyable for children and includes the use of an epidermal surfactant, such as soap, detergent, or other active ingredient.
Owner:SPENCERHALL
Image recording sheet moistening device and image printing apparatus
Owner:KONICA MINOLTA BUSINESS TECH INC
Self-dampening ink compositions and method for lithographic printing using the same
InactiveUS20040013983A1Inking apparatusMechanical working/deformationPlanographic printingOrganic chemistry
A self-dampening ink composition and methods for lithographic printing using a single fluid lithographic ink are provided in the invention in which the composition comprises glycerol in an amount greater than 0 to about 10 percent by weight, a nonionic surfactant with an HLB value of about 8 to about 20 in an amount from about 0.25 to about 2 percent by weight, and water in an amount of about 20 to about 50 percent by weight.
Owner:SUN CHEM CORP
Method of making laser-engraveable flexographic printing precursors
InactiveUS20130078370A1Improve imaging effectLess frizzDry duplicatorsPretreated surfacesElastomerPolymer science
Flexographic printing precursors are prepared by providing an elastomeric mixture of one or more elastomeric resins and non-metallic fibers having an average length of at least 0.1 mm and an average diameter of at least 1 μm, and adding a vulcanizing composition and optional other components to the elastomeric mixture. The elastomeric mixture is then mechanically treated to orient the non-metallic fibers predominantly in the same dimension in the elastomeric mixture. It is then vulcanized and formed into a laser-engraveable layer having two orthogonal dimensions. The non-metallic fibers are predominantly oriented in one of the two orthogonal dimensions.
Owner:MIRACLON CORP
False positive testing device
ActiveUS20090243280A1Improve securityOther printing matterDry duplicatorsPorous substrateUltraviolet lights
A false positive testing device (FPTD) that contains a coating based on a one hundred percent solids varnish and a transparent reagent, that uses oxidative free radical polymerization as a drying mechanism, and that can be transferred to various types of porous substrates by conventional lithographic offset printing and / or dry offset printing. The substrates with the FPTD can be verified by using common currency detection protocols, such as testing with ultraviolet lights and / or counterfeit detection iodine based pen / pad stamps.
Owner:WU JUDY WAILING
False positive testing device
A false positive testing device (FPTD) that contains a coating based on a one hundred percent solids varnish and a transparent reagent, that uses oxidative free radical polymerization as a drying mechanism, and that can be transferred to various types of porous substrates by conventional lithographic offset printing and / or dry offset printing. The substrates with the FPTD can be verified by using common currency detection protocols, such as testing with ultraviolet lights and / or counterfeit detection iodine based pen / pad stamps.
Owner:WU JUDY WAILING
Method and system for contacting of a flexible sheet and a substrate
Owner:KONINK PHILIPS ELECTRONICS NV
Process and compound for producing printed design creating three-dimensional visual effect
In a process for producing a printed design creating 3D visual effect, a compound consisting of a printing ink blended with magnetic particles is used. The printing ink containing the magnetic particles is applied onto a printing plate on a printing apparatus, and a tool capable of producing a required magnetic force is positioned at a predetermined area of the applied printing ink, so that the magnetic particles in the printing ink are attracted and gathered to form ups and downs in the area and create a 3D visual effect.
Owner:SANRITZ CORP
Printing apparatus and printing method
InactiveUS20110120327A1Reduce printing costsEliminate needDry duplicatorsHectographic duplicationLatent imageEngineering
A printing apparatus includes a plate forming member that forms a rewritable plate, a latent image forming unit, a projection forming unit configured to selectively adhere ink-repellent particles to a portion of a surface of the plate forming member where a latent image is formed in order to form a projection, a recording material supply unit, an intermediate transfer member for transfer of a recording material, a pressing unit configured to press the recording material on a surface of the intermediate transfer member during transfer of the recording material to a recording medium, and a conveying unit configured to convey the medium. The printing apparatus further includes a particle storage unit configured to store the particles, and a particle washing unit configured to wash at least part of the removed particles. At least part of the removed and washed particles is filled into the particle storage unit.
Owner:CANON KK
Imaging and erasing of a printing form made of polymer material containing imide groups
InactiveUS6919165B2Easy and stable processingPhotography auxillary processesDry duplicatorsImideChemical treatment
A method for producing a pattern of hydrophilic (34) and hydrophobic (32) regions on a printing form (30) is presented which, in a first, essentially unpatterned state, features a polymer material containing imide groups, for example, polybenzene diimide or polyamide imide. The method includes a chemical treatment of the surface with an oxidizing agent subsequent in time to a locally selective exposure with UV light. Optionally, the locally selective exposure can be preceded by a large-area chemical treatment of the surface with a strong base. The printing form (30) can be restored to the first state by a large-area chemical treatment of the surface with a strong acid. The patterned printing form (30) is suitable for use in offset printing.
Owner:HEIDELBERGER DRUCKMASCHINEN AG
Ink composition, inkjet recording method, method of producing planographic printing plate, and planographic printing plate
InactiveUS20070182786A1Liquid surface applicatorsDry duplicatorsPlanographic printingOrganic chemistry
The invention provides an ink composition which includes a polymerization initiator, a polymerizable compound, a colorant, and a high molecular compound having a repeating unit represented by the following formula (I). In formula (I), n represents an integer of from 1 to 5.
Owner:FUJIFILM CORP
Systems and methods for facilitating oil delivery in digital offset lithographic printing techniques
ActiveUS20140013971A1Fully moistenedFacilitated releasePlaten pressesWet duplicatorsSurface layerPlanographic printing
A system and method are provided that incorporate a multi-layer plate configuration for a Digital Offset Plate (DOP) including at least a robust top imaging layer and a bottom layer that acts as a reservoir for the releasing oil in a proposed variable digital offset lithographic architecture. The top imaging layer may contain a small amount of oil (<20%) in a range suitable for allowing a small amount of oil to coat the surface and enable release of the ink. A bottom layer may be larger in volume and contain greater quantities (˜20-75%) of oil. Oil from the reservoir layer may diffuse to and through the top layer when the oil in the top surface layer is depleted in a manner that maintains a supply of oil at the surface. The top layer may act as a gate to maintain a steady flow of oil to the surface.
Owner:XEROX CORP
Multiple motor position control
InactiveUS20070001641A1Low costEasy to installCylinder pressesProgramme controlElectric machineAltered LOC
A controller for motor activation providing accurate and repeatable position changes by pressing and releasing a push button switch. Repeatable position changes are made in an advance direction by triggering a digital counter for a predetermined number of cycles of a reference clock signal. Backlash in retard motion of the motor is reduced by similarly asserting a retard motor input for an amount of time determined by another digital counter with a following advance correction made automatically after the retard signal is applied, by applying a predetermined retard-advance movement amount, as again counted by a digital counter. The advance binary amount, the retard binary amount and the retard-advance binary amount of set through binary switch inputs to respective counters to count the respective time periods (TG3, TG1, and TG2).
Owner:INNOVATIVE MOTOR CONTROLS
Systems and methods for facilitating oil delivery in digital offset lithographic printing techniques
ActiveUS8943961B2Fully moistenedFacilitated releaseAddressographsPlaten pressesSurface layerPlanographic printing
A system and method are provided that incorporate a multi-layer plate configuration for a Digital Offset Plate (DOP) including at least a robust top imaging layer and a bottom layer that acts as a reservoir for the releasing oil in a proposed variable digital offset lithographic architecture. The top imaging layer may contain a small amount of oil (<20%) in a range suitable for allowing a small amount of oil to coat the surface and enable release of the ink. A bottom layer may be larger in volume and contain greater quantities (˜20-75%) of oil. Oil from the reservoir layer may diffuse to and through the top layer when the oil in the top surface layer is depleted in a manner that maintains a supply of oil at the surface. The top layer may act as a gate to maintain a steady flow of oil to the surface.
Owner:XEROX CORP
Radiation-curable polymerizable composition, ink composition, inkjet recording method, printed material, planographic printing plate, and method for forming planographic printing plate
InactiveUS20080187727A1Quality improvementHigh strengthCylinder pressesLiquid surface applicatorsHindered amine light stabilizersPlanographic printing
The invention provides a radiation-curable polymerizable composition of the invention having (a) a hindered amine compound having no nucleophilic moiety in a molecule, (b) a photo-acid generating agent and (c) a cationic polymerizable monomer. The invention further provides an ink composition formed of the radiation-curable polymerizable composition, a method for ink jet recording having: ejecting the ink composition onto a recording medium by using an ink jet recording apparatus and irradiating the ejected ink composition so as to cure the ink composition, and a printed material obtained thereby. The invention further provides a method for forming a planographic printing plate having: ejecting the ink composition onto a hydrophilic recording medium by using an ink jet recording apparatus; and irradiating the ejected ink composition so as to cure the ink composition for forming a hydrophobic region, and a planographic printing plate obtained thereby.
Owner:FUJIFILM CORP
Printing press with mechanical development of imaged plate
InactiveUS20110088575A1Durable areaProlong lifePlaten pressesDry duplicatorsEngineeringPrinting press
On-press development of an imaged printing plate on a plate cylinder, in which ink is applied by an ink form roll, a blanket roll is in contact with the plate, a rubber roll is opposed to the blanket roll, and printable media passes between the blanket roll and the rubber roll. The plate comprises a substrate carrying an imaged coating, in which nonimage areas have cohesion C1, adhesion to the substrate A1, and adhesion to the applied ink A3 and image areas have cohesion C2, adhesion to the substrate A2, and adhesion to the applied ink A4. The ink has cohesion C3 and adhesion A5 to the blanket roll. The nonimage areas have adhesion A6 to the printable medium and the ink has adhesion A7 to the medium. The adhesions and cohesions are such that the blanket roll pulls the ink from the plate and the ink pulls the nonimage areas from the substrate as undissolved particles that are transferred by the blanket with the ink to the printable media.
Owner:ANOCOIL
Method of making laser-engraveable flexographic printing precursors
InactiveUS8563087B2Improve imaging effectLess frizzPretreated surfacesWet duplicatorsElastomerPolymer science
Flexographic printing precursors are prepared by providing an elastomeric mixture of one or more elastomeric resins and non-metallic fibers having an average length of at least 0.1 mm and an average diameter of at least 1 μm, and adding a vulcanizing composition and optional other components to the elastomeric mixture. The elastomeric mixture is then mechanically treated to orient the non-metallic fibers predominantly in the same dimension in the elastomeric mixture. It is then vulcanized and formed into a laser-engraveable layer having two orthogonal dimensions. The non-metallic fibers are predominantly oriented in one of the two orthogonal dimensions.
Owner:MIRACLON CORP
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