Abstract:
A process for producing an aluminum support for a lithographic printing plate is described, which comprises jetting a high-pressure liquid from at least one nozzle at a high rate, joining the jetted stream with a slurry containing a fine powder of an abrasive spouted from at least one spout, and directing the resulting mixed stream to strike against a surface of an aluminum plate to carry out cleaning and sandblasting at the same time.
Abstract:
A method of printing comprising applying a conductive developer to a imaged dielectric surface in the presence of an energising electrical image-defining field to form a master having conductive and relatively insulating areas defining the image, inking the said surface in the presence of a field of a polarity to urge the ink on to the surface to retain it at the relatively insulating image areas, and transferring the ink from the said surface to a receiving surface in the presence of a field of a polarity to urge the ink on to the receiving surface, and continuing inking the said master and transferring the ink to further receiving sheets.
Abstract:
A novel method of preparing a waterless lithographic master and a method of printing therefrom are provided. To prepare the printing master, a suitable substrate which can be photoconductive or non-photoconductive is imaged with a hydrophobic particulate image pattern and the image fused to the substrate. The imaged substrate is then coated with an aqueous silicone which does not wet the hydrophobic image pattern. The silicone is then heated to selectively provide ink-receptive image areas and ink-releasing non-image areas.
Abstract:
A PROCESS FOR THE CONTROLLER AND TRANSMISSION OF THERMOPLASTIC TRANSFER MEDIUM VIA ONE OR MORE SILICONE ELASTOMER SURFACES TO FINAL DEPOSITION ON A RECEPTOR SURFACE WHICH MAY BE ANOTHER SILICONE ELASTOMER SURFACE OR, MORE GENERALLY, PAPER, A POLYMERIC FILM, METAL, GLASS, CLAY, ETC. THE PROCESS UTILIZES FORCES INTRINSIC TO THE MATERIALS EMPLOYED, I.E., SILICONE ELASTOMERS, THERMOPLASTIC TRANSFER MEDIUM (INK) AND THE VARIOUS RECEPTOR SURFACES. THE PHYSICAL STATE OF THE TRANSFER MEDIUM CAN BE MANIPULATED TO PROVIDE FOR NON-SPLITTING TRANSFER FROM ONE SILICONE ELASTOMER SURFACE TO ANOTHER, ADHESIVELY FAVORED SILICONE ELASTOMER OR NONSILICONE ELASTOMER SURFACE. THE PROCESS FINDS UTILITY IN THE COATING, PRINTING, AND DUPLICATING FIELD.
Abstract:
A pair of metallic beverage container bodies is sequentially decorated in a direct single file queue by a dry offset rotary metallic beverage container decorator. A container body has a common design element, a first unique design element in a first color, and a second unique design element in a second color on its outer surface. The first unique design element is located within a boundary of the second unique design element. A second container body has the common design element, a third unique design element in the first color, and a fourth unique design element in the second color on the outer surface. The third unique design element is unique relative to the first and second design elements. The third unique design element is located within a boundary of the fourth unique design element.
Abstract:
Provided are a roller apparatus, a printing method and a method of fabricating an LCD device using the same, which can minimize the number of processes and a printing defect. In the printing method, first patterns are formed on a blanket. The first patterns have different surface energy from that of the blanket, and the blanket is formed around a roller. The roller is rotated and a printing material is dropped to form second patterns on the blanket between the first patterns. The second patterns are transferred from the roller onto a substrate.
Abstract:
Method of on-press developing a thermosensitive lithographic printing member with ink and/or fountain solution is described. The printing member comprises on a substrate a thermosensitive layer soluble or dispersible in ink and/or fountain solution and capable of hardening upon exposure to an infrared radiation. The printing member can be a pre-coated plate or can be prepared on press by coating a thermosensitive layer onto a substrate that is a sheet material or a seamless sleeve mounted on a plate cylinder or is the surface of a plate cylinder of the lithographic press.
Abstract:
To delete undesired ink-receptive areas on a wet lithographic printing construction, an oleophobic material is applied to the hydrophilic surface of the plate that has suffered contamination and/or scratching, and allowed to cure. So long as the hydrophilic surface is capable of permanently bonding the oleophobic deletion agent, the areas to which that agent has been applied will not accept ink.
Abstract:
Lithographic plate compositions and a method for their production have been discovered that are especially useful in conjunction with digitally controlled lasers to directly construct printable images on lithographic plates. The plates comprise a substrate and an ablatable polymeric coating on the substrate where the ablatable, imageable coating is prepared by in situ or solution polymerization of conjugated monomers deposited on the plate by vapor deposition or in solution. Examples of such monomers are thiophene, pyrrole and aniline.