EP1214987A2 - Procédé et dispositif de production de précurseurs de plaques d'impression planographiques - Google Patents

Procédé et dispositif de production de précurseurs de plaques d'impression planographiques Download PDF

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Publication number
EP1214987A2
EP1214987A2 EP01129621A EP01129621A EP1214987A2 EP 1214987 A2 EP1214987 A2 EP 1214987A2 EP 01129621 A EP01129621 A EP 01129621A EP 01129621 A EP01129621 A EP 01129621A EP 1214987 A2 EP1214987 A2 EP 1214987A2
Authority
EP
European Patent Office
Prior art keywords
applying
printing plate
planographic printing
aluminum web
applying device
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.)
Granted
Application number
EP01129621A
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German (de)
English (en)
Other versions
EP1214987A3 (fr
EP1214987B1 (fr
Inventor
Kazuki Ichikawa
Yuji Asakura
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.)
Fujifilm Corp
Original Assignee
Fuji Photo Film Co 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
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of EP1214987A2 publication Critical patent/EP1214987A2/fr
Publication of EP1214987A3 publication Critical patent/EP1214987A3/fr
Application granted granted Critical
Publication of EP1214987B1 publication Critical patent/EP1214987B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5121—Bending, buckling, curling, bringing a curvature
    • B65H2301/51212—Bending, buckling, curling, bringing a curvature perpendicularly to the direction of displacement of handled material, e.g. forming a loop

Definitions

  • the present invention relates to a method and an apparatus for producing planographic printing plate precursors.
  • planographic printing plate precursors such as photosensitive printing plates and heat-sensitive printing plates have been widely used to facilitate automation of the producing process.
  • Planographic printing plate precursors are generally produced in the following manner. Surface treatments, for example, graining, anodizing, and silicate treatments and other chemical conversion treatments are applied either singly or in an appropriate combination to the surface of a sheet-shaped or coil-shaped aluminum plate support. Then, after a photosensitive or heat-sensitive layer coating (hereinafter, referred to as a "coating film”) is applied and dried, the planographic printing plate precursor is cut to a desired size.
  • a photosensitive or heat-sensitive layer coating hereinafter, referred to as a "coating film”
  • planographic printing plate precursors are subjected to processes such as exposure, development and gum coating, then set in a printer, and inked. By doing this, words and images can be printed on paper.
  • Fig. 4 shows a planographic printing plate precursor producing apparatus 112 for producing planographic printing plate precursors. This apparatus is disclosed in Japanese Patent Application Laid-Open (JP-A) No. 2000-51757.
  • a web-shaped metal plate 114 wound in a coil is fed out by a feeding device 116, and conveyed by plural pass rollers 118. Then, an application solution is applied onto the web-shaped metal plate 114 by an applying device 120, and excess application solution is scraped from the web-shaped metal plate 114 by a scraping device 122.
  • the applying device 120 or the scraping device 122 may curl the web-shaped metal plate 114, and there may even be curling in the finished planographic printing plate precursors. Therefore, after the application solution has been applied by the applying device 120 or after the excess application solution has been scraped by the scraping device 122, the curl of the web-shaped metal plate 114 is adjusted by a curl adjusting device.
  • the curl adjusting device contacts the web-shaped metal plate 114 to adjust the curl thereof. Accordingly, when the curl of the web-shaped metal plate 114 on which the application solution has been applied is adjusted by the curl adjusting device, there is a risk that a photosensitive layer (or a heat-sensitive layer) will be damaged or so-called fogging (a phenomenon in which pressure causes the photosensitive layer to deteriorate) will be caused.
  • an object of the present invention is to obtain a method and an apparatus for producing planographic printing plate precursors, wherein the curl of the support can be adjusted without damaging the coating film and without causing fogging.
  • a method for producing planographic printing plate precursors includes the steps of: applying an application solution onto a support; and adjusting an amount of curling of the support before the step of applying an application solution, in accordance with an expected amount of curling which is likely to be caused by the step of applying an application solution, such that a planographic printing plate precursor which is ultimately produced has a desired amount of curling.
  • the application solution in the step of applying an application solution (hereinafter referred to as “applying step"), the application solution is applied to form a coating film (for example, a photosensitive layer or a heat-sensitive layer).
  • a coating film for example, a photosensitive layer or a heat-sensitive layer.
  • cur adjusting step the support is adjusted a predetermined amount in accordance with an expected amount of curling which is likely to be caused by the applying step.
  • the coating film which is formed by the applying step is not damaged. Even if the coating film is a photosensitive layer or a heat-sensitive layer, so-called fogging is not caused. As a result, the planographic printing plate precursors produced using this method have the desired curl, and problems or disadvantages in the quality of the coating films do not occur.
  • an apparatus for producing planographic printing plate precursors includes: an applying device, which applies an application solution onto a support; and a curl adjusting device, which adjusts an amount of curling of the support before the application solution is applied by the applying device, in accordance with an expected amount of curling which is likely to be caused by the applying device, such that a planographic printing plate precursor which is ultimately produced has a desired amount of curling.
  • the applying device and the curl adjusting device are integrated as a meter bar coating device which brings a bar for application into contact with the support to apply the application solution.
  • the meter bar coating device can adjust a wrap angle of the support with respect to the bar for application.
  • the meter bar coating device can selectively apply one of a lubricant which reduces friction between the bar for application and the support and the application solution.
  • the application solution is applied by the applying device to form a coating film (for example, a photosensitive layer or a heat-sensitive layer).
  • a coating film for example, a photosensitive layer or a heat-sensitive layer.
  • the support is adjusted a predetermined amount by the curl adjusting device in accordance with an expected amount of curling which is likely to be caused by the applying device.
  • the coating film which is formed by the applying device is not damaged. Even if the coating film is a photosensitive layer or a heat-sensitive layer, so-called fogging is not caused. As a result, the planographic printing plate precursors produced by this apparatus have the desired curl, and problems or disadvantages in the quality of the coating films do not occur.
  • planographic printing plate precursor producing apparatus of the present invention has a simpler structure as compared with a case in which the applying device and the curl adjusting device are provided as separate units.
  • the curl of the support can be easily adjusted merely by adjusting the wrap angle of the support with respect to the bar for application.
  • planographic printing plate precursors for which the coating film is formed on both surfaces double-side coated plates
  • those for which the coating film is formed on only one of the surfaces single-side coated plates.
  • a lubricant can be applied onto the surface on which the coating film is not to be formed. Accordingly, friction between the bar for application and the support is reduced, and wear to the bar for application can be prevented.
  • Fig. 1 shows a production line 10 of an embodiment of the present invention.
  • This production line 10 is used to produce planographic printing plate precursors.
  • an aluminum web 12 which is a support for a planographic printing plate precursor is being conveyed by a plurality of conveying rollers 48, a desired photosensitive solution is applied onto the aluminum web 12 to form a photosensitive layer thereon.
  • An unillustrated feeding device is disposed at a most upstream of the production line 10 (at a lower-left side in Fig. 1).
  • the aluminum web 12 having, for example, a thickness of 0.1 to 0.5 mm is wound into a roll-shape to form an aluminum coil.
  • the aluminum coil is then loaded into the feeding device.
  • the feeding device feeds the aluminum web 12 toward a downstream side at a conveying speed which corresponds to a conveying speed of the entire production line 10.
  • the aluminum plate which is a material of the support for the planographic printing plate precursor, may use, for example, pure aluminum such as A1050, A1100 or A1070 based on the Japanese Industrial Standard (JIS), or aluminum alloys such as Al-Mg alloy, Al-Mn alloy, Al-Mn-Mg alloy, Al-Zn-Mg alloy and Al-Mg-Si alloy.
  • JIS Japanese Industrial Standard
  • Al-Mg alloy aluminum-Mg alloy
  • Al-Mn alloy Al-Mn-Mg alloy
  • Al-Zn-Mg alloy Al-Mg-Si alloy.
  • An ingot of aluminum conforming to the above standard is produced by a manufacturer by a process for producing aluminum plate. Then, the aluminum ingot is hot-rolled, heat-treated (annealed) as needed, and cold-rolled so as to form a web-shaped aluminum plate having a predetermined thickness. Finally, the aluminum plate is wound into a roll shape to form the aluminum coil.
  • the production line 10 is provided with a correcting device (a roller leveler, a tension leveler, or the like) for improving flatness of the aluminum web 12, an upper surface polishing device and a lower surface polishing device for polishing an upper surface and a lower surface of the aluminum web 12, a surface roughening device for roughening a surface of the aluminum web 12, an anodizing device for providing a known anodizing process for the aluminum web 12, and the like.
  • the aluminum web 12 is subjected to required pretreatments by these devices.
  • a first applying device 14, a first drying device 22, a second applying device 16, a second drying device 24, a third applying device 18 and a third drying device 26 are sequentially disposed along a direction the aluminum web 12 is conveyed (a direction of arrow F).
  • the applying devices apply a desired application solution onto the aluminum web 12, and the drying devices dry the application solution applied onto the aluminum web 12.
  • the first applying device 14, the second applying device 16 and the third applying device 18 have substantially the same structure. Therefore, in Figs. 2A and 2B, the applying devices 14, 16 and 18 are shown integrated and described as an applying device 20.
  • the applying device 20 has a bearing member 28, and a rod 30 which is supported by the bearing member 28 so that the rod 30 can rotate and contact the aluminum web 12.
  • An inlet side damming member 32 and an outlet side damming member 34 are provided adjacent to the bearing member 28.
  • An application solution storing portion 36 is formed between these damming members 32 and 34.
  • An application solution 38 supplied from the application solution storing portion 36 contacts the aluminum web 12 to form a puddle 40. When the rod 30 rotates, the application solution 38 in the puddle 40 is scraped up and transferred onto the aluminum web 12.
  • the applying device 20 (the first applying device 14, the second applying device 16 and the third applying device 18) is raised and lowered by an unillustrated lifting device.
  • the applying device 20 When the application solution 38 is being applied to the aluminum web 12, the applying device 20 is raised by the lifting device so that the rod 30 contacts the aluminum web 12, as shown in Fig. 2A.
  • the applying device 20 When the application solution 38 is not being applied to the aluminum web 12, the applying device 20 is lowered by the lifting device so that the rod 30 separates from the aluminum web 12, as shown in Fig. 2B. Accordingly, the application solution 38 can be applied to the aluminum web 12 only when it is required.
  • support rolls 42 and 44 are provided on upstream and downstream sides respectively in the conveying direction for each of the first applying device 14, the second applying device 16 and the third applying device 18.
  • the support rolls 42 and 44 are rotatably provided so that a center of rotation does not move.
  • the support rolls 42 and 44 operate so that the aluminum web 12 contacts the rod 30 with a predetermined wrap angle ⁇ .
  • the wrap angle ⁇ is defined by the degree to which the aluminum web 12 contacts the rod 30, the center of the rod 30 with being the apex of the wrap angle ⁇ .
  • P and Q are boundaries between the portions of the aluminum web 12 that contact the support rolls 42 and 44, respectively, and the portion of the aluminum web 12 that does not contact the support rolls 42 and 44 and that is disposed between the support rolls 42 and 44.
  • the wrap angle ⁇ can be changed by adjusting an amount of raising the applying device 20 when wrapping the aluminum web 12 over the rod 30. Therefore, the tension applied to the aluminum web 12 is changed in correspondence with the magnitude of the wrap angle ⁇ , and the curl adjustment for the aluminum web 12 can also be changed.
  • the path along which the aluminum web 12 is conveyed, as well as positions of the first applying device 14, the second applying device 16 and the third applying device 18, are determined, so that the first applying device 14 applies the application solution onto a lower surface (surface B) of the aluminum web 12, and so that the second applying device 16 and the third applying device 18 apply the application solution onto an upper surface (surface A) of the aluminum web 12.
  • the first drying device 22, the second drying device 24 and the third drying device 26 are provided at the downstream sides of the first applying device 14, the second applying device 16 and the third applying device 18, respectively.
  • Each drying devices 22, 24 and 26 are provided with a drying tank 46 along the direction the aluminum web 12 is conveyed.
  • hot air is fed from an unillustrated hot air feeder into the drying tanks 46.
  • a temperature of the hot air, a length of the drying tank 46 in the direction of conveyance, and the like in each of the first drying device 22, the second drying device 24 and the third drying device 26 are set in accordance with drying conditions.
  • planographic printing plate precursor producing apparatus 10 of the present embodiment a method for producing the planographic printing plate precursors by the planographic printing plate precursor producing apparatus 10 of the present embodiment, and an operation of the planographic printing plate precursor producing apparatus 10 will be described.
  • a case of producing the planographic printing plate precursor in which only a front surface (surface A) has a photosensitive layer thereon (a single-side coated plate) will be described first.
  • a case of producing the planographic printing plate precursor in which both a front and a back surface (surfaces A and B) have the photosensitive layer thereon (a double-side coated plate) will be described.
  • a non-photosensitive lubricant e.g., alcohol or water
  • a photosensitive material for example, a photopolymer, which will eventually form the photosensitive layer is selected as the application solution, that is applied by the second applying device 16 and the third applying device 18.
  • the rod 30 When the first applying device 14 is raised by a predetermined amount, the rod 30 is brought into contact with the aluminum web 12 to a fixed wrap angle ⁇ and the lubricant is applied to the back surface (surface B) of the aluminum web 12.
  • the wrap angle ⁇ is predetermined so that finished planographic printing plate precursors will have a desired curl, in consideration of curl caused to the aluminum web 12 by the second applying device 16 and third applying device 18. Depending on the situation, the wrap angle ⁇ may be large. However, since the first applying device 14 brings the rod 30 into contact with the aluminum web 12 to curl the aluminum web 12 while applying the lubricant onto the aluminum web 12, friction between the aluminum web 12 and the rod 30 is reduced, and wear to the rod 30 is thereby prevented.
  • the lubricant applied onto the aluminum web 12 is dried by the first drying device 22, the lubricant does not remain on the aluminum web 12 and does not affect quality of the finished planographic printing plate precursors.
  • any material which reduces friction between the aluminum web 12 and the rod 30 and which does not affect the quality of the finished planographic printing plate precursors can be used as the lubricant.
  • a solvent including no solid matter, an aqueous solution of high molecular compound, an organic aqueous solution, a pigment dispersion solution, a colloidal solution or the like can be used.
  • the second applying device 16 applies the application solution to the front surface (surface A) of the aluminum web 12
  • the second drying device 24 dries the applied application solution
  • the third applying device 18 applies the application solution to the front surface (surface A) of the aluminum web 12
  • the third drying device 26 dries the applied application solution.
  • a photosensitive material such as a photopolymer, namely, a material which will eventually form the photosensitive layer, is selected.
  • the wrap angle ⁇ in the second applying device 16 and the third applying device 18 is also predetermined so that the finished aluminum web (planographic printing plate precursors) will have a desired curl.
  • the wrap angle ⁇ may be large when the photosensitive material is being applied by the second applying device 16 and the third applying device 18. However, since the second applying device 16 and the third applying device 18 bring the rod 30 into contact with the aluminum web 12 to curl the aluminum web 12 while applying the photosensitive material onto the aluminum web 12, friction between the aluminum web 12 and the rod 30 is reduced, and wear to the rod 30 is thereby prevented.
  • the second applying device 16 and the third applying device 18 do not necessarily need to be both provided. Namely, even if only one of them is provided, it is possible to apply the photosensitive material to form the photosensitive layer.
  • the photosensitive layer having desired properties can be easily formed, for example, by sequentially applying different kinds of photosensitive materials.
  • the aluminum web 12 is subjected to a required process, for example, an over-coated layer is formed on the photosensitive layer, and finally, the aluminum web 12 is cut into a predetermined size by a cutter to obtain the planographic printing plate precursors.
  • the aluminum web 12 may also be temporarily wound into a roll shape, and set in a processing line before cutting, and then unwound to be cut.
  • the photosensitive material is selected as the application solution applied by the first applying device 14, in place of the lubricant selected when the single-side coated plates are produced.
  • the planographic printing plate precursor in which the photosensitive layer is formed on both surfaces A and B can be produced.
  • two applying devices may be used so that a photosensitive layer having desired properties can be easily formed, in the same manner as on the front surface (surface A).
  • the curl of the aluminum web 12 is adjusted by the first applying device 14 which exists before the second applying device 16 and the third applying device 18, so that the finished planographic printing plate precursors will have a desired curl, in consideration of curl caused to the aluminum web 12 by the second applying device 16 and the third applying device 18.
  • the curl of the aluminum web 12 is not adjusted after the photosensitive material has been applied, the formed photosensitive layer is not damaged and fogging is not caused.
  • the finished planographic printing plate precursors have the desired curl, and problems or disadvantages in the quality of the photosensitive layers do not occur.
  • the number of the applying devices is not particularly limited.
  • the number of the applying devices may be increased so that the planographic printing plate precursor producing apparatus 10 can apply a larger curl to the planographic printing plate precursors.
  • the curl of the aluminum web 12 should be adjusted simultaneously with or before applying the photosensitive material.
  • the curl adjustment by the first applying device 14 is conducted before applying the photosensitive material
  • the curl adjustments by the second applying device 16 and the third applying device 18 are conducted simultaneously with applying the photosensitive material.
  • the curl adjustments by the first applying device 14, the second applying device 16 and the third applying device 18 are all conducted simultaneously with the application of the photosensitive material. In a step even earlier than the curl adjusting performed by each of the applying devices, further curl adjusting devices can be separately provided.
  • the application of the photosensitive material and the curl adjustment can be simultaneously conducted by a single device.
  • the planographic printing plate precursor producing apparatus 10 having a simple structure which is preferable.
  • the curl adjusting device is used, if it is intended not for the application of the photosensitive material but only for the curl adjustment, a specific structure thereof is not particularly limited.
  • the curl of the aluminum web 12 may be adjusted not only by changing the wrap angle ⁇ in the first applying device 14 but also by adjusting the wrap angle ⁇ in the second applying device 16 and/or the third applying device 18. Namely, which applying device to use for the curl adjustment can be suitably selected in consideration of a possible curl adjustment range in each applying device and a desired curl for the finished aluminum web 12. For example, when single-side coated plates are produced, if the curl adjustment from the back surface of the aluminum web 12 is not required, the first applying device 14 may be lowered to separate the rod 30 from the aluminum web 12.
  • the curl of the aluminum web 12 can be easily adjusted by merely raising or lowering each applying device to change the wrap angle ⁇ .
  • a specific value of the wrap angle ⁇ is suitably determined depending upon the amount the curl should be adjusted in the each applying device.
  • the wrap angle ⁇ is suitably changed within a range from 1° to 30° in correspondence with, for example, thickness of the aluminum web 12 and diameter of the rod 30. If the wrap angle ⁇ is smaller than 1°, the contact state with the rod 30 which accompanies the aluminum web 12 being conveyed becomes unstable. As a result, there is a risk that the rod 30 cannot securely hold the aluminum web 12.
  • the diameter of the rod 30 is preferably 3 mm to 50 mm, and more preferably 6 mm to 20 mm.
  • a radius of curvature for the aluminum web 12 at the wrap portion can be decreased by decreasing the diameter of the rod 30, sufficient curl of the aluminum web 12 can be obtained.
  • planographic printing plate precursors are produced by the method for producing the planographic printing plate precursors of the present invention
  • the planographic printing plate precursor producing apparatus 10 of the above embodiment need not necessarily be used. In short, it is fine so long as the curl adjustment is conducted before the application solution (photosensitive material) is applied. Therefore, the single applying device need not necessarily be able to conduct both the curl adjustment process and the application process. A structure in which the curl adjusting device and the applying device are completely separated from each other may also be used to conduct these processes.
  • planographic printing plate precursors which use the photopolymer as the photosensitive material are produced.
  • the present invention can be widely used to produce planographic printing plate precursors on which photosensitive layers or heat-sensitive layers are formed.
  • planographic printing plate precursor include, for example, those having such photosensitive layers as described in the following (1) to (11):
  • a surface of an aluminum plate was subjected to graining, etching, electrolytical roughening and anodizing processes, so as to prepare the aluminum web 12, which is a support.
  • a photopolymer was then applied onto the aluminum web 12 by the planographic printing plate precursor producing apparatus 10 shown in Fig. 1, and the applied photopolymer was dried, so as to form a photosensitive layer.
  • the first applying device 14 applied methanol onto a back surface (surface B) of the aluminum web 12.
  • a conveying speed of the aluminum web 12 was 100 m/min, and an applying quantity of the photopolymer was 10 ml/m 2 in the overall planographic printing plate precursor producing apparatus 10.
  • a thickness of the aluminum web 12 and a diameter of the rod 30 were predetermined as shown in the following Examples, and curl of the aluminum web 12 was adjusted by changing a wrap angle ⁇ in the first applying device 14. Finally, the aluminum web 12 was temporarily wound in a roll shape, unwound in a processing line, and cut by a cutter, so as to obtain planographic printing plate precursors (single-side coated plates) having a desired size.
  • planographic printing plate precursors thus obtained were visually observed to evaluate flatness thereof.
  • A denotes flatness with no problems
  • B denotes slightly damaged flatness which does not affect quality of the planographic printing plate precursors
  • C denotes damaged flatness which affects quality
  • D denotes more damaged flatness which affects quality even more than “C”.
  • “none” in the tables denotes a state in which the first applying device 14 has been lowered and the rod 30 is not in contact with the aluminum web 12.
  • Example 1 the thickness of the aluminum web 12 was 0.2 mm and the diameter of the rod 30 was 10 mm. Wrap Angle ⁇ Flatness None D 1° ⁇ ⁇ ⁇ 10° C 10° ⁇ ⁇ ⁇ 15° A 15° ⁇ ⁇ C (inverted curl)
  • the wrap angle ⁇ was satisfactory if set to a range from 10° to 15° when the thickness of the aluminum web 12 was 0.2 mm and the diameter of the rod 30 was 10 mm.
  • Example 2 the thickness of the aluminum web 12 was 0.4 mm and the diameter of the rod 30 was 10 mm.
  • the wrap angle ⁇ was satisfactory if set to a range from 1° to 20° and preferably a range from 1° to 10° when the thickness of the aluminum web 12 was 0.4 mm and the diameter of the rod 30 was 10 mm.
  • Example 3 the thickness of the aluminum web 12 was 0.2 mm and the diameter of the rod 30 was 15 mm. Wrap Angle ⁇ Flatness None D 1° ⁇ ⁇ ⁇ 10° C 10° ⁇ ⁇ ⁇ 15° B 15° ⁇ ⁇ ⁇ 30° A 30° ⁇ ⁇ C (inverted curl)
  • the wrap angle ⁇ was satisfactory if set to a range from 10° to 30° and preferably a range from 15° to 30° when the thickness of the aluminum web 12 was 0.2 mm and the diameter of the rod 30 was 15 mm.
  • the wrap angle ⁇ is adjusted in correspondence with the thickness of the aluminum web 12 and the diameter of the rod 30 in this manner, the finished planographic printing plate precursors have curling within a desired range, and flatness thereof can be ensured.

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  • Printing Plates And Materials Therefor (AREA)
  • Materials For Photolithography (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Coating Apparatus (AREA)
EP01129621A 2000-12-13 2001-12-12 Procédé et dispositif de production de précurseurs de plaques d'impression planographiques Expired - Lifetime EP1214987B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000378705 2000-12-13
JP2000378705A JP2002182375A (ja) 2000-12-13 2000-12-13 平版印刷版製造方法及び平版印刷版製造装置

Publications (3)

Publication Number Publication Date
EP1214987A2 true EP1214987A2 (fr) 2002-06-19
EP1214987A3 EP1214987A3 (fr) 2005-03-23
EP1214987B1 EP1214987B1 (fr) 2007-03-07

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EP01129621A Expired - Lifetime EP1214987B1 (fr) 2000-12-13 2001-12-12 Procédé et dispositif de production de précurseurs de plaques d'impression planographiques

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EP (1) EP1214987B1 (fr)
JP (1) JP2002182375A (fr)
AT (1) ATE355908T1 (fr)
DE (1) DE60127084T2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1342508A1 (fr) * 2002-03-06 2003-09-10 Fuji Photo Film Co., Ltd. Appareil et méthode de revêtement
CN104310102A (zh) * 2014-09-22 2015-01-28 浙江西雅普康大制革有限公司 用于合成革加工的拉线装置
CN113000316A (zh) * 2021-03-02 2021-06-22 抚州市鹤达实业有限公司 一种广告传媒的纸张生产用表面快速上胶设备

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US3592730A (en) * 1969-01-21 1971-07-13 Columbia Ribbon & Carbon Planographic plate-making process and sheets
EP0213323A2 (fr) * 1985-07-04 1987-03-11 Fuji Photo Film Co., Ltd. Méthode et appareil de couchage
DE8633956U1 (de) * 1986-12-18 1988-04-21 Eltex-Elektrostatik-Gesellschaft mbH, 7858 Weil Walzenbefeuchtwerk
US5306523A (en) * 1992-04-16 1994-04-26 Fuji Photo Film Co., Ltd. Method of applying organic solvent-based coating solution
US5582870A (en) * 1993-04-20 1996-12-10 Fuji Photo Film Co., Ltd. Coating method for applying a coating composition onto a running flexible support
EP0835764A1 (fr) * 1996-10-11 1998-04-15 Fuji Photo Film Co., Ltd. Plaque lithographique, procédé pour sa réalisation, et procédé pour la préparation d'un support en aluminium pour ladite plaque

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Publication number Priority date Publication date Assignee Title
US3592730A (en) * 1969-01-21 1971-07-13 Columbia Ribbon & Carbon Planographic plate-making process and sheets
EP0213323A2 (fr) * 1985-07-04 1987-03-11 Fuji Photo Film Co., Ltd. Méthode et appareil de couchage
DE8633956U1 (de) * 1986-12-18 1988-04-21 Eltex-Elektrostatik-Gesellschaft mbH, 7858 Weil Walzenbefeuchtwerk
US5306523A (en) * 1992-04-16 1994-04-26 Fuji Photo Film Co., Ltd. Method of applying organic solvent-based coating solution
US5582870A (en) * 1993-04-20 1996-12-10 Fuji Photo Film Co., Ltd. Coating method for applying a coating composition onto a running flexible support
EP0835764A1 (fr) * 1996-10-11 1998-04-15 Fuji Photo Film Co., Ltd. Plaque lithographique, procédé pour sa réalisation, et procédé pour la préparation d'un support en aluminium pour ladite plaque

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1342508A1 (fr) * 2002-03-06 2003-09-10 Fuji Photo Film Co., Ltd. Appareil et méthode de revêtement
CN104310102A (zh) * 2014-09-22 2015-01-28 浙江西雅普康大制革有限公司 用于合成革加工的拉线装置
CN104310102B (zh) * 2014-09-22 2016-08-24 浙江西雅普康大制革有限公司 用于合成革加工的拉线装置
CN113000316A (zh) * 2021-03-02 2021-06-22 抚州市鹤达实业有限公司 一种广告传媒的纸张生产用表面快速上胶设备

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EP1214987A3 (fr) 2005-03-23
DE60127084D1 (de) 2007-04-19
JP2002182375A (ja) 2002-06-26
ATE355908T1 (de) 2007-03-15
EP1214987B1 (fr) 2007-03-07

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