WO1994005507A1 - Planche d'impression - Google Patents

Planche d'impression Download PDF

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Publication number
WO1994005507A1
WO1994005507A1 PCT/GB1993/001910 GB9301910W WO9405507A1 WO 1994005507 A1 WO1994005507 A1 WO 1994005507A1 GB 9301910 W GB9301910 W GB 9301910W WO 9405507 A1 WO9405507 A1 WO 9405507A1
Authority
WO
WIPO (PCT)
Prior art keywords
surface layer
layer
base material
substrate
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB1993/001910
Other languages
English (en)
Inventor
John Richard Lenney
Robert Michael Organ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Horsell Graphic Industries Ltd
Original Assignee
Horsell Graphic Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB929219214A external-priority patent/GB9219214D0/en
Priority claimed from GB9308182A external-priority patent/GB2277383A/en
Priority to BR9307032A priority Critical patent/BR9307032A/pt
Priority to DK94908815.7T priority patent/DK0659119T3/da
Priority to JP6507029A priority patent/JPH08501505A/ja
Priority to AU49776/93A priority patent/AU4977693A/en
Application filed by Horsell Graphic Industries Ltd filed Critical Horsell Graphic Industries Ltd
Priority to EP94908815A priority patent/EP0659119B1/fr
Priority to DE69308861T priority patent/DE69308861T2/de
Publication of WO1994005507A1 publication Critical patent/WO1994005507A1/fr
Priority to AU65732/94A priority patent/AU6573294A/en
Priority to PCT/GB1994/000857 priority patent/WO1995007496A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/006—Printing plates or foils; Materials therefor made entirely of inorganic materials other than natural stone or metals, e.g. ceramics, carbide materials, ferroelectric materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/04—Printing plates or foils; Materials therefor metallic
    • B41N1/08—Printing plates or foils; Materials therefor metallic for lithographic printing
    • B41N1/083—Printing plates or foils; Materials therefor metallic for lithographic printing made of aluminium or aluminium alloys or having such surface layers

Definitions

  • This invention relates to a light sensitive printing plate and to a method of making a printing plate.
  • Such plates might be used, for example, in lithographic printing processes.
  • Lithographic processes involve establishing image (printing) and non-image (non-printing) areas on a substrate, substantially on a common plane.
  • non-image areas are generally hydrophilic
  • image areas are generally oleophilic. Consequently, oil based inks are repelled from the non-image areas after water has been applied to the substrate.
  • Image and non-image areas can be created by processes which include a step of exposing a layer of image material on the surface of the substrate to radiation. The exposure to radiation creates solubility differences in the image material corresponding to image and non-image areas. Following development, the soluble areas are removed, leaving a pattern on the substrate corresponding to the image.
  • Preparation of the substrate for receiving a layer of the image material must ensure that the material bonds to the substrate, at least prior to image formation. However, it must allow release of the soluble image material after development.
  • Suitable image materials for use in lithographic processes can include those based on diazonium/diazide materials, polymers which undergo depolymerisation or addition photo-polymerisa ⁇ tion, and silver halide gelatin assemblies. Examples of suitable materials are disclosed in GB-1592281, GB-A-2031442, GB-A-2069164, GB-A-2080964, GB-A-2109573 and EP-A-377589.
  • Substrates used in the printing industry commonly comprise an aluminium base layer, which has a layer of aluminium oxide on its surface, intermediate the base material and a subsequently applied image layer, resulting from a controlled oxidation reaction conducted electrochemically.
  • a cleaning treatment for example involving washing with alkali.
  • the base layer is then subjected to a texture control treatment, for example involving an etching process, which increases the surface area of the substrate, which in turn controls the strength of the bond between the substrate and the image material and increases the ability of the substrate to hold water.
  • This treatment can involve treatment with water, a solution of a phosphate or silicate salt, or a polycarboxylic acid.
  • GB-1238701 published in 1971, discloses a process for preparing a lithographic printing plate in which a surface of a foil such as of aluminium is subjected to a uniform treatment with a plasma arc jet. Finely dispersed silica introduced into the jet causes a layer of silicate to be formed on the surface of the foil.
  • the process disclosed in the document does not appear to have been used commercially to produce plates.
  • Substrates used in lithography can also be formed from materials other than aluminium, such as for example, another metal such as steel, a polymeric material such as a polyester, or a paper based material. Processes used to prepare such substrates for coating with light sensitive material vary widely from that used to prepare an aluminium substrate.
  • the present invention provides a technique for making light sensitive printing plates such as might be used in lithographic processes, in which a surface coating is provided on a substrate by a dry deposition technique, especially by a thermal spraying technique.
  • the invention provides a method of making a light sensitive printing plate for use in lithography, which comprises
  • a plate can be formed in which performance is at least as good in many respects as that provided by traditional manufacturing methods which are used now and have been developed by parties across the lithographic products industry continuously over a period of many years.
  • the technique of the invention has the advantage over traditional methods that the surface layer can be provided, of materials and having a structure which are dependent on the process by which it is applied to the substrate.
  • This can be contrasted with existing processes in which a surface layer is created by modification of the base material of the substrate to create a surface layer with different properties, in which the material and structure of the surface layer of the substrate are dependent on the material and surface of the base material, in addition to the process used to create the surface layer.
  • the invention therefore allows the steps in a process for preparing a substrate, of base material preparation and creation of a surface layer, effectively to be decoupled.
  • the use of a deposition technique has the additional advantage over traditional methods of making lithographic printing plates that the number of steps in the manufacturing process can be reduced.
  • the path length i.e. the size of the active process area acting on the web of substrate material is considerably shorter when a dry deposition technique is used, compared with traditional methods using electrochemical processing techniques. Consequently, the amount of substrate material that is wasted when equipment used to operate the method of the invention is started can be reduced considerably.
  • the reduced number of process steps, or the reduced path length or both can reduce capital outlay, both in terms of manufacturing equipment and of space in which that equipment is operated.
  • a process involving fewer steps is also easier to control to produce products with a consistent quality. It can also be arranged for the process to be operated more quickly than conventional processes.
  • Deposition techniques used for providing the surface layer of a substrate can produce a layer with a topology appropriate for bonding to it of a layer of image material, without separate etching or other texture control steps as are required in known aluminium substrate preparation processes.
  • the topology of the surface of the substrate can be controlled relatively easily by adapting the parameters of the deposition process, giving the process of the invention greater flexibility and control than could be achieved in the conventional processes for producing printing plates.
  • the creation of the surface layer from deposited material, rather than from the base material of the substrate makes less critical the selection of the base material of the substrate.
  • the base material comprises a metal such as one based on aluminium
  • a less pure grade of aluminium can be used than would be required if a surface layer of aluminium oxide were to be formed on the base material by oxidation of the base material.
  • the requirement for thorough cleaning of the base material of a substrate can also be relaxed at least partially, removing or reducing the need for cleaning materials and reducing processing time, and removing or diminishing the problem of disposal of used cleaning materials. In this way, the costs of producing printing plates can be reduced by the method of the present invention.
  • a further advantage of the use of a deposition technique for the manufacture of a plate, at least for certain combinations of substrate base material and coating material (such as an aluminium oxide based coating material deposited on aluminium base material) is that the lightness of the resulting plate can be higher than that of a plate made using the same material for the surface layer but by traditional techniques. This has the advantage that it can increase the contrast between the plate and an image on the plate, which can be important when assessing the image visually and when the image on the plate is to be optically scanned.
  • Suitable dry deposition techniques include thermal spraying and sputtering.
  • An example of thermal spraying techniques which might be applied includes flame spraying.
  • the spray When the deposition process employs a plasma spraying technique, it will generally be preferred for the spray to be applied in an atmosphere of an inert gas, for example of hydrogen, nitrogen or argon, or mixtures of these or other gases.
  • the gas is heated in an electric arc to elevated temperature, for example of at least 10 4 °C, generally at least 2 x 10 4 °C. Notwithstanding the energy requirement of the electric arc, it has been found that the power required to operate the deposition process using a gas plasma spraying technique is significantly less than that required to operate the electrochemical technique in the conventional process for producing plates for use in the printing industry.
  • the deposition step involves use of a thermal spraying technique
  • the base material comprises a metal, especially aluminium
  • the deposition technique and the heat sink properties are such that the temperature of the base material does not increase to the extent that the base material becomes annealed.
  • the substrate base material might be maintained in close contact with a block of material with a high thermal mass, such as a relatively large block of a metallic material.
  • the surface layer is formed from particles whose size is less than about 12 ⁇ m, more preferably less than about 8 ⁇ m, especially less than about 5 ⁇ m, for example from about 2 ⁇ m to about 3 ⁇ m.
  • the particle size is reduced, the roughness of the deposited surface layer can be maintained low.
  • plates made by the technique of the present invention can provide better image resolution than plates made by traditional techniques even when, because particles towards the upper end of the size range are used, the surface of the plates is rougher.
  • the size of the particles is measured using a Coulter counter, calibrated to U S Sedimentometer. The size is the average of the particles across the size distribution, taken as the 50% cumulative point of the distribution curve.
  • a further advantage of plates made using the technique of the present invention is that the resulting plates have a better run length, compared with plates made using traditional techniques with the same surface layer material and comparable image resolution. (Run length is a measure of the number of impressions that can be taken from a plate when in use in printing process.)
  • the surface layer that is formed from the small particles will be generally uniform over the coated area of the base material, as viewed for example under an electron microscope at about lOOOx magnification and 45° tilt.
  • the coating material used to form the surface layer will in some situations include particles whose size is bigger than that of the particles from which the surface layer is formed.
  • the coating material might include impurities. It might also include particles which are bigger than the particles of the surface layer, to form regions of local roughness on the substrate base material so that formations are formed on the surface of the image layer.
  • Such particles might be, for example, at least about 1.3 times that of the particles from which the surface layer is formed, preferably at least about 1.8 times that of those particles.
  • the height of the bigger particles above the surface layer might be at least about 3 ⁇ m, preferably at least about 5 ⁇ m, more preferably at least about 7 ⁇ m, especially at least about 10 ⁇ m.
  • the height of the bigger particles above the surface layer might be less than about 40 ⁇ m, preferably less than about 30 ⁇ m, especially less than about 20 ⁇ m.
  • the size of the bigger particles (which will be a diameter in the case of particles with a circular cross- section) is greater than about 5 ⁇ m, more preferably greater than about 7 ⁇ m, especially greater than about 10 ⁇ m.
  • the size is less than about 75 ⁇ m, more preferably less than about 50 ⁇ m, especially less than about 35 ⁇ m.
  • the density of bigger particles on the surface layer can be at least about 50 cm “2 , preferably at least about 10 3 cm '2 , for example at least about 5 x 10 4 cm 2 .
  • the density of particles can be less than about 5 x 10 6 cm “2 , and preferably less than about 10 6 cm "2 for many applications.
  • the deposited surface layer is formed from a material which is capable of exhibiting ceramic-type properties.
  • Desirable properties can include hardness, chemical resistance, and resistance to abrasion. Such properties can arise from rapid solidification of the deposited material on contact with the base material of the substrate.
  • the provision of a surface with ceramic-type properties has the advantage of enabling the substrate prepared from the deposited material to withstand harsh physical conditions during use. Examples of materials capable of forming surface layers on a substrate, with ceramic-type properties include certain silicates, A1 2 0 3 , Cr 2 0 3 , Ti0 2 , Zr0 2 , WC and blends of these materials, such as blends of A1 2 0 3 and Ti0.
  • Other materials which can be applied to a substrate base material by deposition techniques, to form a substrate for use in lithography include metals such as aluminium, molybdenum, nickel, tantalum, zinc and chromium, alloys such as NiCr and NiCrAlY alloys, steels and bronzes, pseudo-alloys such as CrW and AlMo alloys, polymeric materials such as polyethylene and certain polyesters.
  • the material of bigger particles included in the coating material to provide formations on the surface of the image layer can be the same as the material of the particles from which the surface layer is formed, or different.
  • More than one material might be applied to the base material by deposition, in a single layer or in separate layers provided one on top of another.
  • the base material of the substrate may comprise a metal, which might be a substantially pure elemental metal or an alloy.
  • Suitable metals include, for example, iron based materials such as certain steels, copper and copper based alloys, nickel and cobalt alloys, and aluminium, magnesium and titanium and alloys based on these metals.
  • Non-metallic materials might be used, such as ceramic materials, polymeric materials (such as certain polyesters) and paper based materials.
  • the method of the invention will include appropriate steps to prepare the base material for the creation of the surface by deposition. These might include, for example, cleaning, etching, texturing, anodising, grinding or polishing of the surface.
  • Especially preferred materials for the base material of the substrate include aluminium and aluminium based alloys, certain steels and certain polyesters.
  • the substrate produced by the method will generally be in the form of a sheet.
  • the sheet might be in discreet pieces, or in the form of a continuous web, perhaps provided on a roll.
  • the substrate will generally be produced continuously on a sheet of moving substrate base material, by moving a sheet through production equipment.
  • the sheet has a width measured in a direction perpendicular to the machine direction of at least about 0.2 m, more preferably at least about 0.3 m, especially at least about 0.5 m.
  • the size and shape of particles supplied to the substrate in a thermal spraying process will be selected according to the desired surface topology of the finished coated substrate.
  • the surface roughness R, of the substrate can be measured using a perthometer sold by Perthen under the designation CSD, using a PMK drive unit and a FTK 3/50e mechanical stylus head.
  • the surface roughness is preferably less than about 3.0 ⁇ m, more preferably less than about 1.5 ⁇ m, for example about 0.7 ⁇ m. It will be understood that the surface may be provided with selected regions with a greater roughness, for example as a result of use of bigger particles, for example giving a peak to valley distance on the surface of the substrate greater than about 3 ⁇ m, especially greater than about 5 ⁇ m, perhaps in the range of 10 to 20 ⁇ m, and that any such regions are not to be considered in the context of measuring surface roughness.
  • the thickness of the surface layer which is deposited on the base material will generally be less than about 100 ⁇ m, preferably less than about 40 ⁇ m, more preferably less than about 20 ⁇ m, especially less than about 10 ⁇ m, frequently less than about 5 ⁇ m.
  • the thickness will generally be greater than about 0.1 ⁇ m, preferably greater than about 0.5 ⁇ m, and may be greater than about 10 ⁇ m.
  • the layer of image material provided on the substrate may be provided over the entire surface of the layer of deposited material.
  • the image layer might be exposed to a treatment which makes it relatively easier to remove in selected regions of the substrate than in other regions, in a subsequent removal step.
  • the image material will generally form a bond initially to the surface layer of deposited material, at least in certain regions of the substrate, and will be capable of being modified to alter its susceptibility to a subsequent removal step.
  • suitable developable materials of this kind include those based on diazonium/diazide materials, polymers which undergo depolymerisation or addition photo-polymerisation, and silver halide gelatin assemblies. Examples of suitable materials are disclosed in GB-1592281, GB-A-2031442, GB-A- 2069164, GB-A-2080964, GB-A-2109573 and EP-A-377589.
  • Image material may be applied to a substrate in selected regions only, so as to define directly the image and non-image areas of the substrate directly. This might be achieved, for example, using suitably driven fluid jets.
  • the process of the invention can include steps by which the surface of the substrate is treated to change the nature of the interactions between it and a subsequently applied layer of image material.
  • the steps can involve, for example, chemical, physical or electrochemical treatment.
  • the steps might involve treatment with a material, grinding and polishing and so on.
  • the treatment can be • physical or chemical (including electrochemical) in nature.
  • the deposited surface layer of material might be treated with water, a polyphosphonic acid, a solution of a phosphate or silicate salt, or with a polycarboxylic acid.
  • a material for treating the surface of the substrate might be applied by a deposition technique.
  • a substrate for use as a lithographic printing plate was made by plasma spraying A1 2 0 3 powder on a 0.3 mm gauge aluminium alloy sheet of designation AA1050.
  • the A1 2 0 3 powder had a particle size of 3 ⁇ m, and was supplied by Abralap Limited under the trade name Abralox C3.
  • An arrangement was used where the sheet was mounted vertically using a steel vacuum plate which also acted as a suitable heat sink. Spraying was carried out using a translational unit which allowed raster scanning of the plasma spraying torch about the plate at a fixed torch-plate distance.
  • the spraying system comprised units supplied by Plasma-Technik, including a control unit designated M1100C, a torch designated F400MB, and a powder feed unit designated Twin 10, which had been modified by introducing a pipe into the unit to allow a further flow of 10 l.min "1 of argon above the powder (in addition to the standard carrier gas flow of 9 l.min "1 of argon associated with the unmodified unit) . It was necessary to dehydrate the powder prior to its introduction into the feed unit.
  • the substrate was used to produce a printing plate by (i) treatment with a solution of sodium dihydrogen phosphate, and (ii) bar coating in the laboratory with a light sensitive material of the type which is applied by Horsell Graphic Industries Limited to light sensitive lithographic printing plates sold by them under the trade mark CAPRICORN, at a coating weight of 2 g.m "2 .
  • Substrates for use as printing plates were made by plasma spraying the following range of aluminium alloy sheets with A1 2 0 3 powder having a particle size of 5 ⁇ m, supplied by Abralap Limited under the trade name Abralox C5:
  • the sheets were secured around a 200 mm diameter roller which acted as a heat sink. Spraying was performed by movement of the torch along the axis of the roller, as the roller rotated.
  • the spraying system was the same as that described above in Example 1 (with some variations in the operating conditions) , but for the powder feed unit being one without the additional flow of argon gas.
  • Printing plates were made from the substrates by the technique described above in Example 1, and were exposed through an UGRA test pattern. Each of the plates was found to provide satisfactory resolution performance, with no detectable differences between the plates.
  • a substrate was created using the apparatus and method described above in Example 2 (with some variations in the operating parameters of the spraying system) , by spraying an AA1050 aluminium alloy sheet with Si0 2 powder having a particle size of 8 ⁇ m, sold by W R Grace Limited under the trade name Syloid Al-1.
  • a printing plate was made from the substrate by the technique described above in Example 1, and was exposed through a UGRA test pattern. The plate was found to provide satisfactory resolution performance.
  • Substrates were created using the apparatus and method described above in Example 1 (with some variations in the operating parameters of the spraying system) , by spraying an AA1050 aluminium alloy sheet with A1 2 0 3 powders having a range of particle sizes from 3 to 20 ⁇ m.
  • the substrates were used to produce printing plates as described above in Example 1, which were exposed through UGRA and STOUFFER test patterns, to create a clear 3 on the STROUFFER test pattern following development of the plates.
  • the minimum "intact" positive mircolines on the UGRA test pattern were examined at the clear 3 expose level as a measure of printing plate resolution.
  • Table 1 The results are summarised in Table 1, and compared favourably with the resolution of a plate that is produced by bar coating in the laboratory a conventional electrochemically produced substrate with a CAPRICORN type coating referred to above in Example 1, and which gave a resolution at "clear 3" of 20.
  • the conventional electrochemically produced substrate used for the comparison was the same as is used on commercial production lines of CAPRICORN plates.
  • a substrate was created using the apparatus and method described above in Example 2 (with some variations in the operating parameters of the spraying system) , by spraying an AA1050 aluminium alloy sheet with 1:1 mixture by weight of A10 3 powders having particle sizes of 5 ⁇ m and 9 ⁇ m, sold by Abralap Limited under the trade names Abralox C5 and Abralox C9.
  • a printing plate was made from the substrate by the technique described above in Example 1, and was exposed through a STOUFFER test pattern and a 2% dot screen. Following development to produce a "clear 3", the press performance was compared with that of a plate produced by bar coating in the laboratory of a CAPRICORN type coating as referred to above, exposed and developed to the same level. Run length was assessed by the disappearance of the 2% dot screen. A summary of the results is shown in Table 2.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

Un procédé de fabrication d'une planche d'impression photosensensible, telle qu'on en utilise en lithographie, consiste à produire sur un matériau de base constituant un substrat, une couche superficielle obtenue par dépôt d'un matériau de revêtement particulaire sur le matériau de base selon une technique de revêtement à sec, la couche superficielle étant composée de particules d'une grosseur inférieure à 15 νm environ; après quoi une couche de formation d'image est formée sur la couche superficielle déposée de sorte que cette dernière est située entre la couche de matériau de base et la couche de formation d'image.
PCT/GB1993/001910 1992-09-10 1993-09-09 Planche d'impression Ceased WO1994005507A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE69308861T DE69308861T2 (de) 1992-09-10 1993-09-09 Druckplatte und verfahren zur herstellung
EP94908815A EP0659119B1 (fr) 1992-09-10 1993-09-09 Planche d'impression et procede de fabrication
DK94908815.7T DK0659119T3 (da) 1992-09-10 1993-09-09 Trykkeplade
JP6507029A JPH08501505A (ja) 1992-09-10 1993-09-09 印刷版
AU49776/93A AU4977693A (en) 1992-09-10 1993-09-09 Printing plate
BR9307032A BR9307032A (pt) 1992-09-10 1993-09-09 Método para fazer uma placa de impressão sensível á luz e placa de impressão sensível á luz
AU65732/94A AU6573294A (en) 1993-09-09 1994-04-22 A light sensitive printing plate
PCT/GB1994/000857 WO1995007496A1 (fr) 1993-09-09 1994-04-22 Plaque d'impression photosensible

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB929219214A GB9219214D0 (en) 1992-09-10 1992-09-10 Lithographic substrate preparation
GB9308182.6 1993-04-21
GB9219214.5 1993-04-21
GB9308182A GB2277383A (en) 1993-04-21 1993-04-21 A light sensitive printing plate

Publications (1)

Publication Number Publication Date
WO1994005507A1 true WO1994005507A1 (fr) 1994-03-17

Family

ID=26301596

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1993/001910 Ceased WO1994005507A1 (fr) 1992-09-10 1993-09-09 Planche d'impression

Country Status (8)

Country Link
EP (1) EP0659119B1 (fr)
JP (1) JPH08501505A (fr)
AU (1) AU4977693A (fr)
BR (1) BR9307032A (fr)
DE (1) DE69308861T2 (fr)
DK (1) DK0659119T3 (fr)
ES (1) ES2102209T3 (fr)
WO (1) WO1994005507A1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995007496A1 (fr) * 1993-09-09 1995-03-16 Horsell Graphic Industries Ltd. Plaque d'impression photosensible
WO1996006200A1 (fr) * 1994-08-18 1996-02-29 Horsell Graphic Industries Limited Ameliorations concernant la fabrication de planches d'impression
EP0703092A1 (fr) * 1994-09-15 1996-03-27 MAN Roland Druckmaschinen AG Manchon pour formes pour l'impression et le transfert
WO1996029443A1 (fr) * 1995-03-17 1996-09-26 Hoechst Aktiengesellschaft Procede d'application thermique de fines couches de ceramique et dispositif associe
GB2317123A (en) * 1996-09-11 1998-03-18 Aluminum Co Of America Sheet material for printing plate
US5881645A (en) * 1992-09-10 1999-03-16 Lenney; John Richard Method of thermally spraying a lithographic substrate with a particulate material
GB2329347A (en) * 1995-11-20 1999-03-24 Aluminum Co Of America Lithographic sheet material
DE19610015C2 (de) * 1996-03-14 1999-12-02 Hoechst Ag Thermisches Auftragsverfahren für dünne keramische Schichten und Vorrichtung zum Auftragen
US6105500A (en) * 1995-11-24 2000-08-22 Kodak Polychrome Graphics Llc Hydrophilized support for planographic printing plates and its preparation
US6138568A (en) * 1997-02-07 2000-10-31 Kodak Polcyhrome Graphics Llc Planographic printing member and process for its manufacture
US6182571B1 (en) 1996-11-21 2001-02-06 Kodak Polcyhrome Graphics Llc Planographic printing
US6240846B1 (en) 1998-08-29 2001-06-05 Agfa-Gevaert Recording material comprising a substrate and a ceramic layer applied to a surface of the substrate
US6293197B1 (en) 1999-08-17 2001-09-25 Kodak Polychrome Graphics Hydrophilized substrate for planographic printing
US6357351B1 (en) 1997-05-23 2002-03-19 Kodak Polychrome Graphics Llc Substrate for planographic printing
US6427596B1 (en) 1997-05-23 2002-08-06 Kodak Polychrome Graphics, Llc Method for making corrections on planographic printing plates
US6779449B1 (en) 1994-09-15 2004-08-24 Man Roland Druckmaschinen Ag Carrying sleeve for printing and transfer forms and a process for production of such a carrying sleeve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004051262A1 (de) * 2004-10-21 2006-04-27 Man Roland Druckmaschinen Ag Offsetdruckmaschine

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US2032770A (en) * 1934-01-26 1936-03-03 Multigraph Co Planographic printing plate
US2032779A (en) * 1934-01-26 1936-03-03 Multigraph Co Flexible composite planographic plate
CH208963A (de) * 1938-01-11 1940-03-15 Walther Georg Verfahren zur Herstellung von Druckplatten für den Hoch-, Tief- und Flachdruck.
US3871881A (en) * 1973-02-12 1975-03-18 Minnesota Mining & Mfg Coated aluminum substrates having a binder of aluminum hydroxyoxide
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DE3237775A1 (de) * 1981-10-12 1983-04-28 Daishin Kagaku Kogyo K.K., Niiza, Saitama Material fuer eine plandruckplatte und verfahren zu dessen herstellung
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881645A (en) * 1992-09-10 1999-03-16 Lenney; John Richard Method of thermally spraying a lithographic substrate with a particulate material
WO1995007496A1 (fr) * 1993-09-09 1995-03-16 Horsell Graphic Industries Ltd. Plaque d'impression photosensible
WO1996006200A1 (fr) * 1994-08-18 1996-02-29 Horsell Graphic Industries Limited Ameliorations concernant la fabrication de planches d'impression
US6779449B1 (en) 1994-09-15 2004-08-24 Man Roland Druckmaschinen Ag Carrying sleeve for printing and transfer forms and a process for production of such a carrying sleeve
EP0703092A1 (fr) * 1994-09-15 1996-03-27 MAN Roland Druckmaschinen AG Manchon pour formes pour l'impression et le transfert
WO1996029443A1 (fr) * 1995-03-17 1996-09-26 Hoechst Aktiengesellschaft Procede d'application thermique de fines couches de ceramique et dispositif associe
GB2329347A (en) * 1995-11-20 1999-03-24 Aluminum Co Of America Lithographic sheet material
US6105500A (en) * 1995-11-24 2000-08-22 Kodak Polychrome Graphics Llc Hydrophilized support for planographic printing plates and its preparation
DE19610015C2 (de) * 1996-03-14 1999-12-02 Hoechst Ag Thermisches Auftragsverfahren für dünne keramische Schichten und Vorrichtung zum Auftragen
GB2317123A (en) * 1996-09-11 1998-03-18 Aluminum Co Of America Sheet material for printing plate
GB2317123B (en) * 1996-09-11 2000-09-13 Aluminum Co Of America Printing plate having improved wear resistance
US6182571B1 (en) 1996-11-21 2001-02-06 Kodak Polcyhrome Graphics Llc Planographic printing
US6138568A (en) * 1997-02-07 2000-10-31 Kodak Polcyhrome Graphics Llc Planographic printing member and process for its manufacture
US6357351B1 (en) 1997-05-23 2002-03-19 Kodak Polychrome Graphics Llc Substrate for planographic printing
US6427596B1 (en) 1997-05-23 2002-08-06 Kodak Polychrome Graphics, Llc Method for making corrections on planographic printing plates
US6240846B1 (en) 1998-08-29 2001-06-05 Agfa-Gevaert Recording material comprising a substrate and a ceramic layer applied to a surface of the substrate
US6293197B1 (en) 1999-08-17 2001-09-25 Kodak Polychrome Graphics Hydrophilized substrate for planographic printing
US6418850B2 (en) 1999-08-17 2002-07-16 Kodak Polychrome Graphics Llc Hydrophilized substrate for planographic printing

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EP0659119B1 (fr) 1997-03-12
EP0659119A1 (fr) 1995-06-28
ES2102209T3 (es) 1997-07-16
BR9307032A (pt) 1999-06-29
JPH08501505A (ja) 1996-02-20
DK0659119T3 (da) 1997-07-28
DE69308861T2 (de) 1997-10-02
DE69308861D1 (de) 1997-04-17
AU4977693A (en) 1994-03-29

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