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WO/1998/055331A1 |
A method for preparing a lithographic printing plate which involves providing a plate precursor comprising a grained and anodised aluminium substrate coated with a metallic layer, preferably a silver layer, imagewise exposing this precur...
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WO/1998/055311A1 |
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a metallic layer, preferably a silver layer, on top of which is applied a transparent cover sheet or layer of material. Imagewise ex...
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WO/1998/055310A1 |
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a metallic layer, preferably a silver layer, on top of which is applied a layer of an oleophilic resin. Imagewise exposure of the pr...
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WO/1998/055332A1 |
A method for preparing a lithographic printing plate which involves providing a plate precursor comprising a grained and anodised aluminium substrate coated with a metallic layer, preferably a silver layer, deposited by means of an elect...
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WO/1998/052743A1 |
A metal substrate is treated with a plurality of rotating brushes and a slurry of particulate material such that the treated surface is capable of absorbing incident infrared laser radiation. The substrate is itself capable of being visi...
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WO/1998/052770A1 |
There is described a method of rendering non-ink accepting a selected ink-accepting area of a printing member of a type comprising a support, a hydrophilic layer derived from a silicate liquid in which particulate material is dispersed a...
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WO/1998/052767A1 |
A method of preparing a printing member or a printing member precursor involves contacting a substrate with an aqueous formulation comprising a polyester having pendent hydrophilic groups wherein said polyester has optionally been combin...
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WO/1998/052768A1 |
There is described a substrate for a planographic printing member having a surface roughness in the range 0.1 to 2 $g(m)m which comprises particulate material, especially alumina and titania and a binder for the particulate material whic...
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WO/1998/052769A1 |
A substrate for a planographic printing member comprising a support and a hydrophilic layer which includes particulate material, especially alumina and titania, and a binder material having Si-O bonds, especially one derived from a silic...
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WO/1998/052766A2 |
There is described a method of preparing a printing member or a printing member precursor, the method comprising contacting a substrate with a formulation comprising an aqueous dispersion which includes a first vinyl compound and a water...
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WO/1998/051496A1 |
The invention provides a radiation sensitive plate which is imageable by exposure to thermal radiation and comprises (a) a substrate; (b) an imaging layer containing a disperse phase comprising a water insoluble heat softenable component...
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WO/1998/051512A1 |
The invention relates to a wetting agent for offset printing having a corrosion inhibitor and enabling mass abrasion rates caused by corrosion to be considerably reduced due to the fact that the corrosion inhibitor is substantially forme...
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WO/1998/050231A1 |
Methods and apparatus for lithographic imaging without ablation function by irreversibly debonding intermediate printing-plate layers, thereby rendering at least the surface layer removable by cleaning to expose, in an imagewise pattern,...
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WO/1998/047719A1 |
The invention provides a lithographic printing plate precursor comprising a grained and anodised aluminium substrate having coated thereon a silver halide emulsion layer, the back surface of said substrate being coated with an inert coat...
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WO/1998/045117A1 |
The invention relates to a dampening roller (6) which functions reliably and can be driven by friction. Said dampening roller has an elastic surface and can be produced economically by placing thrust rings (17, 18) of equal diameter at b...
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WO/1998/036326A1 |
A planographic printing plate includes a radiation sensitive layer which may comprise a rubber material. Application of heat causes exposed areas to be vulcanized. The plate may be developed by applying a force to the radiation sensitive...
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WO/1998/034796A1 |
A planographic printing member comprises a substrate (2), an oleophilic layer (4), an infra-red sensitive/ablatable layer (6) and a hydrophilic layer (8). The hydrophilic layer is derived from a silicate solution, optionally containing p...
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WO/1998/033651A1 |
The invention relates to a printing plate (1) made of electrically non-conducting material in the form of a plastic sheet such as those used in a sheet-fed offset press. According to the invention, the printing plate has electrically con...
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WO/1998/032608A1 |
The invention relates to a method and device for generating a printed image on a carrier material. According to this method, areas attracting and areas repelling colour are generated on the surface of a carrier material (20, 40) in accor...
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WO/1998/031545A1 |
There is described a method of preparing a lithographic plate which comprises coating on a lithographic support having a hydrophilic surface, a layer of a radiation sensitive coating digitally imaging the coating, then processing the pla...
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WO/1998/032053A1 |
There is described a method of preparing a lithographic plate which comprises coating on a lithograhic support having a hydrophilic surface a layer of a radiation sensitive coating imaging the coating then acting on the plate whilst on t...
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WO/1998/031551A1 |
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 lon...
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WO/1998/031550A1 |
The invention relates to a recording material having a plate- or sheet-like substrate, at least one IR-absorbing layer, which comprises at least one IR-absorbing component and at least one polymeric, organic binder and decomposes under t...
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WO/1998/030400A1 |
Lithographic printing members include a traditional flood-exposed photopolymer layer applied to one or more layers based on certain metallic inorganic materials. The metallic inorganic material overlies a substrate, which is preferably a...
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WO/1998/030399A1 |
Materials that undergo self-propagating exothermic solid-solid reaction upon ignition by a heating source (e.g., a laser) are used in the fabrication of recording constructions such as lithographic printing plates, photomasks and proofin...
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WO/1998/029260A1 |
The invention concerns a composite ferrule adapted in particular for being mounted on a metal carrier cylinder and used for transferring ink, comprising a base ferrule (10) capable of radial deformation, a layer (12) with limited deforma...
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WO/1998/029259A1 |
The invention relates to a sleeve (1) for pressure sleeve device, comprising a cylinder with fluid outlets in its peripheral surface, wherein the sleeve exhibits a metal tube to be mounted on the cylinder, the peripheral surface of which...
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WO/1998/027797A1 |
An improved stencil (1) having one or a plurality of apertures therethrough for enabling a printing medium to be deposited on a receiving surface and including a first and normally lower surface (4) which in use is to be proximate the re...
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WO/1998/024631A1 |
It is possible to significantly improve the process of dissipating toward the roller the heat from the coating material applied to the rollers, especially the heat from the printing material on the distributing cylinders, by using as a c...
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WO/1998/022852A1 |
The present invention provides a lithographic printing plate precursor element capable of being used on a printing press immediately after imagewise exposure without the requirement of bath processing. A preferred embodiment has in order...
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WO/1998/022853A1 |
A planographic printing member comprises a support provided with a hydrophilic layer which may be formed by application of a silicate solution in which particulate material is dispersed. The hydrophilic layer is treated with a modifying ...
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WO/1998/021045A1 |
An apparatus for continuously providing dampening fluid (20) from a fluid reservoir (16) to a plate cylinder (12) of a lithographic printing press includes a pan roller in contact with the fluid in the reservoir. A transfer roller set in...
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WO/1998/021037A1 |
A lithographic printing plate suitable for digital imaging by means of laser exposure is described. The plate consists of a substrate having coated thereon a layer or layers having an ink repelling top surface. The top layer contains a u...
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WO/1998/018625A1 |
A rotary press doctor blade (12) in which one or both sides (19,21) are provided with a fully or partially unreleasable coating of a low surface energy substance (46), whose surface energy is between 10 and 60 mN/m. This prevents in part...
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WO/1998/018631A1 |
The invention concerns an ink duct (1) for a rotary printing press, wherein all or some of the surfaces (19, 21) are permanently coated with a substance (46) which has low surface energy of between 10 and 60 mN/m. As well as enabling the...
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WO/1998/013200A1 |
An offset blanket (50) having an improved adhesive structure (40) for releasible adherence to a blanket cylinder of an offset printing apparatus. The adhesive structure (40) includes a composite of a hot-melt adhesive film (44) bonded to...
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WO/1998/010940A1 |
The invention relates to a method to produce a fabric strip, especially for use as a screen printing template made from plastic fabric, which is vacuum metallized with an encasing layer and is then given an electroplated coating.
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WO/1998/010941A1 |
The invention relates to a screen printing fabric made of self crossing plastic threads (12, 14) with an emulsion coating, wherein the plastic threads are coated with a vacuum metallized or sputtered encasing layer (18) which is covered ...
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WO/1998/007579A1 |
This invention concerns a pressure roller or pressure cylinder with a metal or plastic core, which is characterized in that the core has a thin outer layer of adhesive plastic, the surface of which is directly engraved by laser. Moreover...
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WO/1998/002310A1 |
A doctoring cup (14) particularly suited for inking non-flat plates (12) includes a plate contacting edge (24) with an 'Ease of Flex' parameter greater than about 0.020 lb?-1�. Ease of Flex is defined as 1/Mt?2�, where t is the thick...
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WO/1997/049535A1 |
The invention relates to a form for rotary printing, coating or embossing of sheet-like materials, an elastomer layer (34) being applied to a machine (33) with a cylindrical outer surface and being machined and engraved after curing on t...
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WO/1997/049005A1 |
A plate for waterless lithography comprising a substrate and, formed thereon in order, a photosensitive layer, an ink-repellent layer and a protective layer wherein the photosensitive layer contains a polymerizable compound obtained by r...
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WO/1997/048020A1 |
The invention relates to providing tracks, for example conductive tracks, in a flat display device (such as a plasma display or PALC display) by means of a stencil-printing method. In particular, use can be made of multilayer stencils en...
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WO/1997/048117A1 |
The invention relates to the provision of a paste on a substrate to manufacture color elements in accordance with a pattern, such as the provision of phosphor elements on display windows (for example of a CRT or a plasma display) or colo...
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WO/1997/047473A1 |
This invention is a squeegee (10) that interacts with ink and a printing screen (14). The squeegee (10) has a mounting head (72). The mounting head (72) has an attachment portion (74) and a blade mounting portion (76). A contact blade (9...
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WO/1997/045771A1 |
A fluid transfer roller (10) for use in offset printing for picking up a film of water and transferring it to a printing plate consists of a rigid core (11) with an outer layer (13) of foamed-in-place, partially open-celled foam. A metho...
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WO/1997/043130A1 |
A reversible offset printing blanket is disclosed. The blanket includes two layers (1a, 1b) of a compressible material provided with a single reinforcing layer inserted therebetween, and sandwiched between two outer lithographic layers (...
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WO/1997/043129A1 |
A method of processing a press plate in order to perform mounting of a paper plate or a resin plate in a similar manner to a PS plate, and more specifically, a method of sticking a paper plate or a resin plate to a support and a sticking...
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WO/1997/041969A1 |
A novel electroformed squeegee blade (5) for the uniform deposition of printing material such as solder paste (1) and the like onto printed wiring boards (9), is disclosed. A method of fabricating the electroformed squeegee blade (5) is ...
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WO/1997/042031A1 |
A flexible jacket covering (68) is pre-stretched, pre-flattened, and precut to predetermined length and width dimensions for attachment onto a transfer cylinder (10). The flexible jacket (68) covering is marked with alignment stripes (80...
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