EP2021180A1 - Device for creating a printing plate and development process - Google Patents

Device for creating a printing plate and development process

Info

Publication number
EP2021180A1
EP2021180A1 EP07766096A EP07766096A EP2021180A1 EP 2021180 A1 EP2021180 A1 EP 2021180A1 EP 07766096 A EP07766096 A EP 07766096A EP 07766096 A EP07766096 A EP 07766096A EP 2021180 A1 EP2021180 A1 EP 2021180A1
Authority
EP
European Patent Office
Prior art keywords
photopolymer
layer
support
thickness
application means
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
EP07766096A
Other languages
German (de)
French (fr)
Other versions
EP2021180B1 (en
Inventor
Christian Barral
David Brazier
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.)
MacDermid Graphics Solutions Europe SAS
Original Assignee
MacDermid Printing Solutions Europe SAS
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 MacDermid Printing Solutions Europe SAS filed Critical MacDermid Printing Solutions Europe SAS
Publication of EP2021180A1 publication Critical patent/EP2021180A1/en
Application granted granted Critical
Publication of EP2021180B1 publication Critical patent/EP2021180B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B05C5/0262—Coating heads with slot-shaped outlet adjustable in width, i.e. having lips movable relative to each other in order to modify the slot width, e.g. to close it
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1005—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material already applied to the surface, e.g. coating thickness, weight or pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/084—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern

Definitions

  • the present invention relates to a device for producing a printing plate, and to a method for producing such a printing plate.
  • a printing plate is obtained by placing a support such as a translucent plate or a plate provided with a negative of a page to be printed, on a work surface or plate and then applying successively on the support a liquid photopolymer then a film intended to constitute the base of the printing plate. Then, the thickness of the printing plate is measured and, when this thickness differs from a predetermined thickness or setpoint thickness, the means with which the photopolymer is applied are adjusted to obtain the desired thickness of the plate printing.
  • apparatuses having a reservoir from which the photopolymer is removed by gravity are preferably used.
  • the reservoir is provided with an outlet in the form of a slot facing downwards and the liquid photopolymer is then applied, passing from the reservoir on the support, while the reservoir is running over the support following a scroll direction.
  • a speed with which the reservoir must pass over the support The higher the speed of the tank, the thinner the deposited photopolymer layer is. Consequently, to adjust the thickness of the photopolymer layer to be obtained, the speed with which the tank scrolls is varied.
  • a device comprising a reel in which a film reel is mounted.
  • the apparatus for producing a printing plate having such a design has the advantage of a simple structure and the absence of complicated adjustment mechanisms.
  • photopolymers although called “liquid”, are viscous and their viscosity, at equal temperature, can vary from one delivery batch to another.
  • the viscosity varies according to the ambient temperature which prevails around the apparatus for producing the printing plates.
  • the viscous nature of the photopolymers causes that, as opposed to the behavior of a liquid product such as water, the photopolymers leaving the tank by gravity flow from the tank with a clean speed which is not only a function of the degree of viscosity of the polymer, but also the configuration of the tank outlet slot.
  • the flow rate of the photopolymer to be deposited it is generally chosen to vary the speed of travel of the tank above the support. However, when the speed of travel exceeds a limit, which is generally different from one photopolymer to another, there may be an irregular flow of the photopolymer, or even breakage of the flow of the photopolymer.
  • Another disadvantage of the system described above lies in the fact that the entire thickness of the printing plate is measured. Thus, in the case of a difference between the setpoint thickness and the actual measured thickness, it is not possible to distinguish between an error in the thickness of the photopolymer layer and an error due to a problem of laying or the thickness of the film. As a result, it is impossible to make precisely targeted corrections to obtain a printing plate according to the predetermined dimensions.
  • the object of the invention is to overcome the disadvantages described above.
  • the object of the invention is achieved with a device for producing a printing plate comprising a support intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, a means of application photopolymer liquid on the support in a layer having a surface and a predetermined thickness and means for checking the thickness of the applied layer.
  • the verification means comprises a detector mounted on the downstream side of the application means so as to be disposed above a portion of the photopolymer layer that has just been applied, a comparator intended to comparing the actual thickness of the portion of the polymer layer just applied with the predetermined thickness and an electrical signal generator for generating a correction signal in case of difference between the actual thickness and the predetermined thickness , the generator being connected to a device for adjusting the photopolymer flow rate of the application means.
  • the device of the invention has the advantage of being able to check the thickness of the single photopolymer layer and to be able to do it continuously and especially in a part of the photopolymer layer that has just been applied. Due to the short distance between the place where the liquid photopolymer falls on the support and the part of the photopolymer layer where the thickness is verified, the reaction in case of drifting the predetermined thickness is almost immediate.
  • the provisions of the invention make it possible to place the film application means close enough to the photopolymer application means. The provisions of the invention therefore do not lead to a significant enlargement of the device for producing a printing plate.
  • the provisions of the invention also make it possible, according to a preferred embodiment of the invention, not to measure the actual thickness of the applied photopolymer layer, but to verify whether the surface of the deposited photopolymer layer remains at a desired temperature. constant level or not. Indeed, in the case of producing a photopolymer layer with an ideally constant thickness, the constant level of the surface of the photopolymer layer is then representative of the constancy of the thickness of the layer produced.
  • This arrangement of the invention is particularly advantageous because of the transparency of liquid photopolymers.
  • the support is often black.
  • the thickness of the applied layer is difficult to measure with optical reflection means.
  • it is easier to monitor the level of the surface of the applied layer with a reflection detector, preferably with a defined reflection working type detector.
  • This type of detector uses the reflection of a beam of light on the surface of the resin in the case of a non-normal incidence.
  • specular reflection on a very smooth surface (as is the case of a liquid) with an angle of incidence that is equal and opposite to the normal at the angle of reflection.
  • the principle of checking the level of the surface of the applied layer also has the advantage of a simple apparatus operating over a wide range of polymer layer thicknesses. Indeed, the device of the invention, in the embodiment explained, operating only the level of the surface of the layer, the thickness of the photopolymer layer has become unimportant.
  • such an apparatus may be equipped with a tray or a worktop or any other means shaped to maintain or carry the support on which the photopolymer is to be applied and to arrange this plate at a variable level relative to by means of photopolymer application.
  • the plate is movably mounted so as to be remote or close to the photopolymer application means and thus to adjust a predetermined thickness or setpoint thickness.
  • the tray is mounted in a fixed position and it is the photopolymer application means and the film reel that are movably mounted so that they can be moved closer to or away from the tray.
  • the application means comprises dosing means.
  • This arrangement of the invention makes it possible to scroll the photopolymer application means with respect to the support with a constant speed of movement or application. More particularly, this arrangement of the invention makes it possible to use a motor with a constant speed, which simplifies the device of the invention thanks to the absence of a variable speed drive.
  • the application means comprises a reservoir for the photopolymer and, at the end of the reservoir, dosing means.
  • the dosing means can be arranged immediately after the outlet of the tank.
  • the outlet of the tank which is generally in the form of a slot, is formed at least partially by dosing means.
  • the reservoir is shaped so that the photopolymer can exit through a slot with variable opening, this slot being formed between a doctor blade and a cylindrical body of non-circular cross section.
  • the doctor blade and the cylindrical body being mounted on the tank, they form an integral part.
  • the variation of the opening of the slot is obtained by rotating the cylindrical body about its longitudinal axis according to an electrical correction signal generated by the detector verifying the constancy of the level of the surface of the deposited polymer layer.
  • the cylindrical body is provided with a flat part extending in a plane parallel to its longitudinal axis.
  • This flat surface gives the cross section of the cylindrical body the non-circular shape. Since the non-circular side of the cross-section is oriented towards the doctor blade and the outlet slot of the reservoir is thus delimited between the non-circular side of the cylindrical body and the doctor blade, the opening of the slot can be varied by rotating the cylindrical body around of its longitudinal axis.
  • the doctor blade is disposed above the support for receiving a layer of a photopolymer at a height which is greater than the predetermined thickness of the photopolymer layer to be applied.
  • the height at which the doctor blade is arranged relative to the support about 2 mm larger than the thickness of the photopolymer layer to be produced.
  • the object of the invention is also achieved with a method of producing a printing plate by means of a device comprising a support intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, a means applying the photopolymer liquid on the support in a layer having a surface and a predetermined thickness and means for checking the thickness of the applied layer.
  • the method comprises at least the following steps:
  • This method is advantageously implemented using the device described above.
  • FIG. 1 very schematically represents a device of the invention and Figure 2 shows the arrangement of the various elements of the application means of the device of the invention in a side view.
  • FIG. 1 represents a device for producing a printing plate according to the invention.
  • This device comprises a support 1 intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, as well as an application means 3 of the liquid photopolymer on the support 1 in a layer 2 and a means check 5 the thickness of the layer 2 applied.
  • the application means 3 moves relative to the support 1 in the direction D.
  • the support 1 rests on a plate 30.
  • the verification means 5 comprises a detector mounted on the downstream side of the application means 3.
  • the detector 5 is thus disposed above a portion of the photopolymer layer 2, which has just been applied.
  • the detector 5 is connected to a comparator (not shown) for comparing the actual thickness of the portion of the previously applied polymer layer 2 with the predetermined thickness.
  • the comparator comprises, or is connected to, an electrical signal generator for generating a correction signal in case of a difference between the actual thickness and the predetermined thickness of the photopolymer layer.
  • the electrical signal generator is connected to a device for adjusting the photopolymer flow rate of the application means 3.
  • the plate 30 and the application device 3 are advantageously mounted so that one can be moved in elevation relative to the other. Generally, it will be easier to mount the plate 30 movable relative to the application means 3 fixedly mounted.
  • FIG. 2 represents the different elements of the application means 3 and the position relative to the support 1.
  • the application means 3 comprises a reservoir 4 for the photopolymer and, at the end of the reservoir 4, dosing means 7, 8.
  • the metering means 7, 8 comprise a doctor blade 7 and a cylindrical body 8 having an axis longitudinal 9 and a non-circular cross section.
  • the non-circular shape of the section of the body 8 is obtained by a flat part 10 which extends in a plane parallel to the longitudinal axis 9 of the cylindrical body 8.
  • the flat part 10 is oriented towards the doctor blade 7 so as to define a slot 6 to opening L variable between the doctor blade 7 and the cylindrical body 8.
  • the variation of the opening L of the slot 6 is obtained by rotating the cylindrical body 8 about its longitudinal axis 9 according to an electrical correction signal generated by the detector 5.
  • the orientation of the flat part 10 with respect to a vertical plane is indicated in the figure by an opening angle ⁇ .
  • FIG. 2 also represents the thickness g of the photopolymer layer 2 and the height h at which the doctor blade 7 is disposed. Without this being indicated numerically, FIG. 2 clearly shows that the height h is greater than the thickness g of the photopolymer layer 2.
  • the thickness g of the deposited photopolymer layer 2 can be varied while keeping a constant rate of application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention concerns a device for creating a printing plate including a support (1) designed to be exposed to liquid photopolymer then a film designed to constitute the base of the printing plate, a means of application (3) of the liquid photopolymer on the support (1) in a layer (2) of predetermined thickness and a means of verification (5) of the actual thickness of the layer (2) applied. The means of verification includes a detector (5), mounted on the downstream side of the means of application (3), such that it is situated over a section of the photopolymer layer (2) that has just been applied, the detector (5) generating an electric signal, on the basis of which the flow of photopolymer is adjusted, when the actual thickness of the layer (2) applied differs from the predetermined value. The invention also concerns a procedure of making a printing plate, preferably implemented via said device.

Description

« Dispositif pour la réalisation d'une plaque d' impression et procédé de réalisation » "Device for producing a printing plate and method of making"
La présente invention concerne un dispositif pour la réalisation d'une plaque d'impression, ainsi qu'un procédé de réalisation d'une telle plaque d'impression.The present invention relates to a device for producing a printing plate, and to a method for producing such a printing plate.
Habituellement, une plaque d'impression est obtenue en posant un support telle une plaque translucide ou une plaque pourvue d'un négatif d'une page à imprimer, sur un plan de travail ou plateau et en appliquant ensuite sur le support successivement un photopolymère liquide puis un film destiné à constituer la base de la plaque d'impression. Ensuite, l'épaisseur de la plaque d'impression est mesurée et, lorsque cette épaisseur diffère d'une épaisseur prédéterminée ou épaisseur de consigne, les moyens avec lesquels le photopolymère est appliqué sont réglés de manière à obtenir l'épaisseur souhaitée de la plaque d'impression.Usually, a printing plate is obtained by placing a support such as a translucent plate or a plate provided with a negative of a page to be printed, on a work surface or plate and then applying successively on the support a liquid photopolymer then a film intended to constitute the base of the printing plate. Then, the thickness of the printing plate is measured and, when this thickness differs from a predetermined thickness or setpoint thickness, the means with which the photopolymer is applied are adjusted to obtain the desired thickness of the plate printing.
Pour appliquer le photopolymère, on utilise de préférence des appareils comportant un réservoir à partir duquel le photopolymère sort par gravité. A cette fin, le réservoir est pourvu d'une sortie en forme d'une fente orientée vers le bas et le photopolymère liquide est alors appliqué, en passant du réservoir sur le support, pendant que le réservoir défile au-dessus du support suivant une direction de défilement. Pour régler l'épaisseur de la couche de polymère à obtenir, on détermine, suivant la viscosité du photopolymère, une vitesse avec laquelle le réservoir doit défiler au-dessus du support. Plus la vitesse du réservoir est grande, plus l'épaisseur de la couche de photopolymère déposée est fine. En conséquence, pour régler l'épaisseur de la couche de photopolymère à obtenir, on varie la vitesse avec laquelle le réservoir défile. Et pour déposer le film destiné à constituer la base de la plaque d' impression à réaliser, on peut utiliser, par exemple, un dispositif comportant un dévidoir dans lequel est monté une bobine de film.In order to apply the photopolymer, apparatuses having a reservoir from which the photopolymer is removed by gravity are preferably used. To this end, the reservoir is provided with an outlet in the form of a slot facing downwards and the liquid photopolymer is then applied, passing from the reservoir on the support, while the reservoir is running over the support following a scroll direction. In order to adjust the thickness of the polymer layer to be obtained, it is determined, according to the viscosity of the photopolymer, a speed with which the reservoir must pass over the support. The higher the speed of the tank, the thinner the deposited photopolymer layer is. Consequently, to adjust the thickness of the photopolymer layer to be obtained, the speed with which the tank scrolls is varied. And to deposit the film intended to constitute the base of the printing plate to be produced, it is possible to use, for example, a device comprising a reel in which a film reel is mounted.
L'appareil de réalisation d'une plaque d'impression ayant une telle conception présente l'avantage d'une structure simple et de l'absence de mécanismes de réglage compliqués .The apparatus for producing a printing plate having such a design has the advantage of a simple structure and the absence of complicated adjustment mechanisms.
Cependant, une telle conception présente néanmoins des inconvénients. Tout d'abord, les photopolymères, bien que appelés « liquide », sont visqueux et leur viscosité, à température égale, peut varier d'un lot de livraison à l'autre. De plus, la viscosité varie selon la température ambiante qui règne autour de l'appareil de réalisation des plaques d'impression.However, such a design nevertheless has disadvantages. Firstly, photopolymers, although called "liquid", are viscous and their viscosity, at equal temperature, can vary from one delivery batch to another. In addition, the viscosity varies according to the ambient temperature which prevails around the apparatus for producing the printing plates.
Le caractère visqueux des photopolymères fait que, par opposition au comportement d'un produit liquide comme l'eau, les photopolymères sortant du réservoir par gravité coulent du réservoir avec une vitesse propre qui est non seulement fonction du degré de viscosité du polymère, mais aussi de la configuration de la fente de sortie du réservoir.The viscous nature of the photopolymers causes that, as opposed to the behavior of a liquid product such as water, the photopolymers leaving the tank by gravity flow from the tank with a clean speed which is not only a function of the degree of viscosity of the polymer, but also the configuration of the tank outlet slot.
Aussi, pour varier le débit du photopolymère à déposer, on choisit généralement de varier la vitesse de défilement du réservoir au-dessus du support. Cependant, lorsque la vitesse de défilement dépasse une limite, qui est généralement différente d'un photopolymère à l'autre, il peut y avoir un débit irrégulier du photopolymère, voire rupture du flux du photopolymère.Also, to vary the flow rate of the photopolymer to be deposited, it is generally chosen to vary the speed of travel of the tank above the support. However, when the speed of travel exceeds a limit, which is generally different from one photopolymer to another, there may be an irregular flow of the photopolymer, or even breakage of the flow of the photopolymer.
Un autre inconvénient du système décrit plus haut, réside dans le fait que l'on mesure l'épaisseur entière de la plaque d'impression. Ainsi, en cas de différence entre l'épaisseur de consigne et l'épaisseur réellement mesurée, on ne peut pas distinguer entre une erreur dans l'épaisseur de la couche de photopolymère et une erreur due à un problème de pose ou de l'épaisseur du film. Il en résulte l'impossibilité d'apporter des corrections précisément ciblées pour obtenir une plaque d' impression selon les dimensions prédéterminées.Another disadvantage of the system described above lies in the fact that the entire thickness of the printing plate is measured. Thus, in the case of a difference between the setpoint thickness and the actual measured thickness, it is not possible to distinguish between an error in the thickness of the photopolymer layer and an error due to a problem of laying or the thickness of the film. As a result, it is impossible to make precisely targeted corrections to obtain a printing plate according to the predetermined dimensions.
Le but de l'invention est de remédier aux inconvénients décrits ci avant.The object of the invention is to overcome the disadvantages described above.
Le but de l'invention est atteint avec un dispositif pour la réalisation d'une plaque d'impression comprenant un support destiné à recevoir un photopolymère liquide puis un film destiné à constituer la base de la plaque d'impression, un moyen d'application du photopolymère liquide sur le support en une couche ayant une surface et une épaisseur prédéterminée et un moyen de vérification de l'épaisseur de la couche appliquée.The object of the invention is achieved with a device for producing a printing plate comprising a support intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, a means of application photopolymer liquid on the support in a layer having a surface and a predetermined thickness and means for checking the thickness of the applied layer.
Conformément à l'invention, le moyen de vérification comprend un détecteur monté sur le côté aval du moyen d'application de manière à être disposé au- dessus d'une partie de la couche de photopolymère venant d'être appliquée, un comparateur destiné à comparer l'épaisseur réelle de la partie de la couche de polymère venant d'être appliquée avec l'épaisseur prédéterminée et un générateur de signaux électriques destiné à engendrer un signal de correction en cas de différence entre l'épaisseur réelle et l'épaisseur prédéterminée, le générateur étant relié à un dispositif de réglage du débit de photopolymère du moyen d'application.According to the invention, the verification means comprises a detector mounted on the downstream side of the application means so as to be disposed above a portion of the photopolymer layer that has just been applied, a comparator intended to comparing the actual thickness of the portion of the polymer layer just applied with the predetermined thickness and an electrical signal generator for generating a correction signal in case of difference between the actual thickness and the predetermined thickness , the generator being connected to a device for adjusting the photopolymer flow rate of the application means.
Le dispositif de l'invention apporte l'avantage de pouvoir vérifier l'épaisseur de la seule couche de photopolymère et de pouvoir le faire continuellement et surtout dans une partie de la couche photopolymère qui vient d'être appliquée. Grâce à la courte distance entre l'endroit où le photopolymère liquide tombe sur le support et la partie de la couche photopolymère où l'épaisseur est vérifiée, la réaction en cas de dérive de l'épaisseur prédéterminée est pratiquement immédiate. En outre, les dispositions de l'invention permettent de placer les moyens d'application du film assez proche du moyen d'application de photopolymère. Les dispositions de l'invention ne conduisent donc pas à un agrandissement notable du dispositif de réalisation d'une plaque d'impression.The device of the invention has the advantage of being able to check the thickness of the single photopolymer layer and to be able to do it continuously and especially in a part of the photopolymer layer that has just been applied. Due to the short distance between the place where the liquid photopolymer falls on the support and the part of the photopolymer layer where the thickness is verified, the reaction in case of drifting the predetermined thickness is almost immediate. In addition, the provisions of the invention make it possible to place the film application means close enough to the photopolymer application means. The provisions of the invention therefore do not lead to a significant enlargement of the device for producing a printing plate.
Les dispositions de l'invention permettent par ailleurs, selon un mode de réalisation préféré de l'invention, de ne pas mesurer l'épaisseur réelle de la couche de photopolymère appliquée, mais de vérifier si la surface de la couche photopolymère déposée reste à un niveau constant ou non. En effet, en cas de réalisation d'une couche de photopolymères avec une épaisseur idéalement constante, le niveau constant de la surface de la couche de photopolymère est alors représentatif de la constance de l'épaisseur de la couche réalisée.The provisions of the invention also make it possible, according to a preferred embodiment of the invention, not to measure the actual thickness of the applied photopolymer layer, but to verify whether the surface of the deposited photopolymer layer remains at a desired temperature. constant level or not. Indeed, in the case of producing a photopolymer layer with an ideally constant thickness, the constant level of the surface of the photopolymer layer is then representative of the constancy of the thickness of the layer produced.
Cette disposition de l'invention est particulièrement avantageuse en raison de la transparence des photopolymères liquides. De plus, le support est souvent noir. De ce fait, l'épaisseur de la couche appliquée est difficilement mesurable avec des moyens de réflexion optique. En contrepartie, il est plus facile de surveiller le niveau de la surface de la couche appliquée avec un détecteur à réflexion, de préférence avec un détecteur du type à travailler par réflexion définie.This arrangement of the invention is particularly advantageous because of the transparency of liquid photopolymers. In addition, the support is often black. As a result, the thickness of the applied layer is difficult to measure with optical reflection means. In return, it is easier to monitor the level of the surface of the applied layer with a reflection detector, preferably with a defined reflection working type detector.
Ce type de détecteur utilise la réflexion d'un faisceau de lumière sur la surface de la résine dans le cas d'une incidence non normale. On parle de réflexion spéculaire sur une surface très lisse (comme c'est le cas d'un liquide) avec un angle d'incidence qui est égal et opposé par rapport à la normale à l'angle de réflexion.This type of detector uses the reflection of a beam of light on the surface of the resin in the case of a non-normal incidence. We speak of specular reflection on a very smooth surface (as is the case of a liquid) with an angle of incidence that is equal and opposite to the normal at the angle of reflection.
Le principe de la vérification du niveau de la surface de la couche appliquée présente par ailleurs l'avantage d'un appareil simple et fonctionnant sur une large gamme d'épaisseurs de couches polymères. En effet, le dispositif de l'invention, dans le mode de réalisation expliqué, n'exploitant que le niveau de la surface de la couche, l'épaisseur de la couche de photopolymère est devenue sans importance.The principle of checking the level of the surface of the applied layer also has the advantage of a simple apparatus operating over a wide range of polymer layer thicknesses. Indeed, the device of the invention, in the embodiment explained, operating only the level of the surface of the layer, the thickness of the photopolymer layer has become unimportant.
En même temps, cela simplifie l'appareil de réalisation des plaques d'impression. En effet, un tel appareil peut être équipé d'un plateau ou d'un plan de travail ou de tout autre moyen conformé pour maintenir ou porter le support sur lequel le photopolymère doit être appliqué et pour disposer ce plateau à un niveau variable par rapport au moyen d'application de photopolymère. En d'autres mots, selon une première variante de réalisation, le plateau est monté mobile de manière à pouvoir être éloigné ou rapproché du moyen d'application de photopolymère et à régler ainsi une épaisseur prédéterminée ou épaisseur de consigne. Selon une seconde variante, le plateau est monté en position fixe et ce sont le moyen d'application de photopolymère et le dévidoir de film qui sont montés mobiles de manière à pouvoir être rapprochés ou éloignés du plateau.At the same time, it simplifies the apparatus for making the printing plates. Indeed, such an apparatus may be equipped with a tray or a worktop or any other means shaped to maintain or carry the support on which the photopolymer is to be applied and to arrange this plate at a variable level relative to by means of photopolymer application. In other words, according to a first variant embodiment, the plate is movably mounted so as to be remote or close to the photopolymer application means and thus to adjust a predetermined thickness or setpoint thickness. In a second variant, the tray is mounted in a fixed position and it is the photopolymer application means and the film reel that are movably mounted so that they can be moved closer to or away from the tray.
Selon une autre caractéristique de la présente invention, le moyen d'application comprend des moyens de dosage. Cette disposition de l'invention permet de faire défiler le moyen d' application de photopolymère par rapport au support avec une vitesse de défilement ou d'application constante. Plus particulièrement, cette disposition de l'invention permet d'utiliser un moteur à vitesse constante, ce qui simplifie le dispositif de l'invention grâce à l'absence d'un variateur de vitesse.According to another characteristic of the present invention, the application means comprises dosing means. This arrangement of the invention makes it possible to scroll the photopolymer application means with respect to the support with a constant speed of movement or application. More particularly, this arrangement of the invention makes it possible to use a motor with a constant speed, which simplifies the device of the invention thanks to the absence of a variable speed drive.
Selon encore une autre caractéristique de l'invention, le moyen d'application comprend un réservoir pour le photopolymère et, à l'issue du réservoir, des moyens de dosage. Les moyens de dosage peuvent être disposés immédiatement après l'issue du réservoir. Toutefois, il est préférable que l'issue du réservoir, qui se présente généralement sous la forme d'une fente, soit formé au moins partiellement par des moyens de dosage .According to yet another characteristic of the invention, the application means comprises a reservoir for the photopolymer and, at the end of the reservoir, dosing means. The dosing means can be arranged immediately after the outlet of the tank. However, it is preferable that the outlet of the tank, which is generally in the form of a slot, is formed at least partially by dosing means.
Selon un mode de réalisation particulier de l'invention, le réservoir est conformé pour que le photopolymère puisse en sortir à travers une fente à ouverture variable, cette fente étant formée entre une racle et un corps cylindrique à section transversale non circulaire. La racle et le corps cylindrique étant montés sur le réservoir, ils en font partie intégrante. La variation de l'ouverture de la fente est obtenue par rotation du corps cylindrique autour de son axe longitudinal suivant un signal électrique de correction engendré par le détecteur vérifiant la constance du niveau de la surface de la couche polymère déposée.According to a particular embodiment of the invention, the reservoir is shaped so that the photopolymer can exit through a slot with variable opening, this slot being formed between a doctor blade and a cylindrical body of non-circular cross section. The doctor blade and the cylindrical body being mounted on the tank, they form an integral part. The variation of the opening of the slot is obtained by rotating the cylindrical body about its longitudinal axis according to an electrical correction signal generated by the detector verifying the constancy of the level of the surface of the deposited polymer layer.
Selon une variante de réalisation représentée dans les dessins, le corps cylindrique est pourvu d'un méplat s' étendant suivant un plan parallèle à son axe longitudinal. Ce méplat donne à la section transversale du corps cylindrique la forme non circulaire. Le côté non circulaire de la section transversale étant orienté vers la racle et la fente de sortie du réservoir étant donc délimitée entre le côté non circulaire du corps cylindrique et la racle, l'ouverture de la fente peut être variée par rotation du corps cylindrique autour de son axe longitudinal.According to an alternative embodiment shown in the drawings, the cylindrical body is provided with a flat part extending in a plane parallel to its longitudinal axis. This flat surface gives the cross section of the cylindrical body the non-circular shape. Since the non-circular side of the cross-section is oriented towards the doctor blade and the outlet slot of the reservoir is thus delimited between the non-circular side of the cylindrical body and the doctor blade, the opening of the slot can be varied by rotating the cylindrical body around of its longitudinal axis.
Selon un autre aspect de l'invention, la racle est disposée au-dessus du support destiné à recevoir une couche d'un photopolymère, à une hauteur qui est supérieure à l'épaisseur prédéterminée de la couche de photopolymères à appliquer.According to another aspect of the invention, the doctor blade is disposed above the support for receiving a layer of a photopolymer at a height which is greater than the predetermined thickness of the photopolymer layer to be applied.
Afin de garantir un débit homogène du photopolymère à une vitesse de défilement choisie du moyen d'application, il est recommandé que la hauteur à laquelle la racle est disposée par rapport au support, soit environ 2 mm plus grande que l'épaisseur de la couche de photopolymère à réaliser.In order to guarantee a homogeneous flow rate of the photopolymer at a chosen running speed of the application means, it is recommended that the height at which the doctor blade is arranged relative to the support, about 2 mm larger than the thickness of the photopolymer layer to be produced.
Le but de l'invention est également atteint avec un procédé de réalisation d'une plaque d'impression moyennant un dispositif comprenant un support destiné à recevoir un photopolymère liquide puis un film destiné à constituer la base de la plaque d' impression, un moyen d'application du photopolymère liquide sur le support en une couche ayant une surface et une épaisseur prédéterminée et un moyen de vérification de l'épaisseur de la couche appliquée.The object of the invention is also achieved with a method of producing a printing plate by means of a device comprising a support intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, a means applying the photopolymer liquid on the support in a layer having a surface and a predetermined thickness and means for checking the thickness of the applied layer.
Conformément à l'invention, le procédé comprend au moins les étapes suivantes :According to the invention, the method comprises at least the following steps:
- poser un support destiné à recevoir une couche de photopolymère liquide,placing a support intended to receive a layer of liquid photopolymer,
- appliquer le photopolymère liquide sur le support en une couche ayant une surface et une épaisseur prédéterminée,applying the liquid photopolymer on the support in a layer having a surface and a predetermined thickness,
- vérifier l'épaisseur de la partie de la couche de polymère venant d'être appliquée,- check the thickness of the part of the polymer layer that has just been applied,
- engendrer un signal de correction si l'épaisseur réelle diffère de l'épaisseur prédéterminée etgenerating a correction signal if the actual thickness differs from the predetermined thickness and
- réajuster un doseur du moyen d'application suivant le signal de correction.readjust a doser of the application means according to the correction signal.
Ce procédé est avantageusement mis en œuvre à l'aide du dispositif décrit plus haut.This method is advantageously implemented using the device described above.
D'autres caractéristiques et avantages de la présente invention ressortiront dans la description ci- après d'un mode de réalisation du dispositif de l'invention. La description est faite en référence aux dessins dans lesquels : la figure 1 représente très schématiquement un dispositif de l'invention et la figure 2 représente la disposition des différents éléments du moyen d'application du dispositif de l'invention en une vue latérale.Other features and advantages of the present invention will become apparent in the description below of an embodiment of the device of the invention. The description is made with reference to the drawings in which: FIG. 1 very schematically represents a device of the invention and Figure 2 shows the arrangement of the various elements of the application means of the device of the invention in a side view.
La figure 1 représente un dispositif pour la réalisation d'une plaque d'impression selon l'invention. Ce dispositif comprend un support 1 destiné à recevoir un photopolymère liquide puis un film destiné à constituer la base de la plaque d'impression, ainsi qu'un moyen d'application 3 du photopolymère liquide sur le support 1 en une couche 2 et un moyen de vérification 5 de l'épaisseur de la couche 2 appliquée. Lors du dépôt de la couche 2, le moyen d'application 3 se déplace par rapport au support 1 suivant la direction D. Le support 1 repose sur un plateau 30.FIG. 1 represents a device for producing a printing plate according to the invention. This device comprises a support 1 intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, as well as an application means 3 of the liquid photopolymer on the support 1 in a layer 2 and a means check 5 the thickness of the layer 2 applied. During the deposition of the layer 2, the application means 3 moves relative to the support 1 in the direction D. The support 1 rests on a plate 30.
Le moyen de vérification 5 comprend un détecteur monté sur le côté aval du moyen d'application 3. Le détecteur 5 est ainsi disposé au-dessus d'une partie de la couche de photopolymères 2, qui vient d'être appliquée. Le détecteur 5 est relié à un comparateur (non représenté) destiné à comparer l'épaisseur réelle de la partie de la couche de polymère 2 venant d'être appliquée avec l'épaisseur prédéterminée. Le comparateur comporte, ou est relié à, un générateur de signaux électriques destiné à engendrer un signal de correction en cas de différence entre l'épaisseur réelle et l'épaisseur prédéterminée de la couche de photopolymère. Le générateur de signaux électriques est relié à un dispositif de réglage du débit de photopolymère du moyen d'application 3.The verification means 5 comprises a detector mounted on the downstream side of the application means 3. The detector 5 is thus disposed above a portion of the photopolymer layer 2, which has just been applied. The detector 5 is connected to a comparator (not shown) for comparing the actual thickness of the portion of the previously applied polymer layer 2 with the predetermined thickness. The comparator comprises, or is connected to, an electrical signal generator for generating a correction signal in case of a difference between the actual thickness and the predetermined thickness of the photopolymer layer. The electrical signal generator is connected to a device for adjusting the photopolymer flow rate of the application means 3.
Dans un appareil ou une installation de réalisation de plaques d'impression, le plateau 30 et le dispositif d'application 3 sont montés avantageusement de manière que l'un puisse être déplacé en élévation par rapport à l'autre. Généralement, il sera plus facile de monter le plateau 30 mobile par rapport au moyen d'application 3 monté fixe.In an apparatus or an installation for producing printing plates, the plate 30 and the application device 3 are advantageously mounted so that one can be moved in elevation relative to the other. Generally, it will be easier to mount the plate 30 movable relative to the application means 3 fixedly mounted.
La figure 2 représente les différents éléments du moyen d'application 3 et la position par rapport au support 1.FIG. 2 represents the different elements of the application means 3 and the position relative to the support 1.
Le moyen d'application 3 comprend un réservoir 4 pour le photopolymère et, à l'issue du réservoir 4, des moyens de dosage 7, 8. Les moyens de dosage 7, 8 comprennent une racle 7 et un corps cylindrique 8 ayant un axe longitudinal 9 et une section transversale non circulaire. La forme non circulaire de la section du corps 8 est obtenue par un méplat 10 qui s'étend suivant un plan parallèle à l'axe longitudinal 9 du corps cylindrique 8. Le méplat 10 est orienté vers la racle 7 de manière à définir une fente 6 à ouverture L variable entre la racle 7 et le corps cylindrique 8. La variation de l'ouverture L de la fente 6 est obtenue par rotation du corps cylindrique 8 autour de son axe longitudinal 9 suivant un signal électrique de correction engendré par le détecteur 5.The application means 3 comprises a reservoir 4 for the photopolymer and, at the end of the reservoir 4, dosing means 7, 8. The metering means 7, 8 comprise a doctor blade 7 and a cylindrical body 8 having an axis longitudinal 9 and a non-circular cross section. The non-circular shape of the section of the body 8 is obtained by a flat part 10 which extends in a plane parallel to the longitudinal axis 9 of the cylindrical body 8. The flat part 10 is oriented towards the doctor blade 7 so as to define a slot 6 to opening L variable between the doctor blade 7 and the cylindrical body 8. The variation of the opening L of the slot 6 is obtained by rotating the cylindrical body 8 about its longitudinal axis 9 according to an electrical correction signal generated by the detector 5.
L'orientation du méplat 10 par rapport à un plan vertical est indiquée dans la figure par un angle d'ouverture Ω. Plus l'angle d'ouverture Ω est petit, plus l'ouverture L de la fente 6 est grande.The orientation of the flat part 10 with respect to a vertical plane is indicated in the figure by an opening angle Ω. The smaller the opening angle Ω, the larger the opening L of the slot 6.
La figure 2 représente par ailleurs aussi l'épaisseur g de la couche de photopolymère 2 et la hauteur h à laquelle la racle 7 est disposée. Sans que cela ne soit indiqué numériquement, la figure 2 montre clairement que la hauteur h est plus grande que l'épaisseur g de la couche de photopolymère 2.FIG. 2 also represents the thickness g of the photopolymer layer 2 and the height h at which the doctor blade 7 is disposed. Without this being indicated numerically, FIG. 2 clearly shows that the height h is greater than the thickness g of the photopolymer layer 2.
Il va de soi que le mode de réalisation par le corps cylindrique 8 avec un méplat est un mode de réalisation parmi d'autres. On pourra, sans sortir du cadre de l'invention utiliser un système à boisseau ou un système à fente mobile ou encore un équivalent fonctionnel.It goes without saying that the embodiment by the cylindrical body 8 with a flat is one embodiment among others. We can, without leaving the framework of the invention uses a plug system or a slotted system or a functional equivalent.
L'homme du métier comprendra aisément que l'épaisseur g de la couche de photopolymère 2 déposée pourra être variée tout en gardant une vitesse d'application constante. Those skilled in the art will readily understand that the thickness g of the deposited photopolymer layer 2 can be varied while keeping a constant rate of application.

Claims

REVENDI CATIONS REVENDI CATIONS
1. Dispositif pour la réalisation d'une plaque d'impression comprenant un support (1) destiné à recevoir un photopolymère liquide puis un film destiné à constituer la base de la plaque d' impression, un moyen d'application (3) du photopolymère liquide sur le support1. Device for producing a printing plate comprising a support (1) intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, means for applying (3) the photopolymer liquid on the support
(1) en une couche (2) ayant une surface (21) et une épaisseur prédéterminée (g) et un moyen de vérification(1) in a layer (2) having a surface (21) and a predetermined thickness (g) and a verification means
(5) de l'épaisseur (g) de la couche (2) appliquée, le moyen de vérification comprenant un détecteur (5) monté sur le côté aval du moyen d'application (3) de manière à être disposé au-dessus d'une partie de la couche de photopolymère (2) venant d'être appliquée, un comparateur destiné à comparer l'épaisseur réelle de la partie de la couche de polymère (2) venant d'être appliquée avec l'épaisseur prédéterminée et un générateur de signaux électriques destiné à engendrer un signal de correction en cas de différence entre l'épaisseur réelle et l'épaisseur prédéterminée, le générateur étant relié à un dispositif de réglage du débit de photopolymère du moyen d'application (3), et le détecteur (5) détectant le niveau de la surface (21) de la partie de la couche de photopolymère (2) venant d'être appliquée, ce niveau étant représentatif de l'épaisseur réelle de la couche de photopolymère (2), caractérisé en ce que le détecteur (5) est du type à travailler par réflexion définie.(5) the thickness (g) of the layer (2) applied, the verification means comprising a detector (5) mounted on the downstream side of the application means (3) so as to be disposed above a part of the newly applied photopolymer layer (2), a comparator for comparing the actual thickness of the portion of the newly applied polymer layer (2) with the predetermined thickness and a generator of electrical signals for generating a correction signal in the event of a difference between the actual thickness and the predetermined thickness, the generator being connected to a photopolymer flow control device of the application means (3), and the detector (5) detecting the level of the surface (21) of the portion of the photopolymer layer (2) just applied, this level being representative of the actual thickness of the photopolymer layer (2), characterized in that that the detector (5) is type to work by defined reflection.
2. Dispositif selon la revendication 1, caractérisé en ce que le moyen d'application (3) comprend des moyens de dosage (7, 8) .2. Device according to claim 1, characterized in that the application means (3) comprises metering means (7, 8).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le moyen d'application (3) comprend un réservoir (4) pour le photopolymère et, à l'issue du réservoir (4), des moyens de dosage (7, 8). 3. Device according to claim 1 or 2, characterized in that the application means (3) comprises a reservoir (4) for the photopolymer and, at the end of the reservoir (4), dosing means (7, 8).
4. Dispositif selon la revendication 3, caractérisé en ce que le réservoir (4) est conformé pour que le photopolymère puisse en sortir à travers une fente (6) à largeur (L) variable formée entre une racle (7) et un corps cylindrique (8) à section transversale non circulaire montés sur le réservoir (4) , le côté non circulaire étant orientée vers la racle et la variation de la largeur de la fente (6) étant obtenue par rotation du corps cylindrique (8) autour de son axe longitudinal4. Device according to claim 3, characterized in that the reservoir (4) is shaped so that the photopolymer can exit through a slot (6) of variable width (L) formed between a doctor blade (7) and a cylindrical body (8) with non-circular cross-section mounted on the tank (4), the non-circular side being directed towards the doctor blade and the variation of the width of the slot (6) being obtained by rotation of the cylindrical body (8) around its longitudinal axis
(9) suivant un signal électrique de correction engendré par le détecteur (5) .(9) according to an electrical correction signal generated by the detector (5).
5. Dispositif selon la revendication 4, caractérisé en ce que le corps cylindrique (8) est pourvu d'un méplat5. Device according to claim 4, characterized in that the cylindrical body (8) is provided with a flat part.
(10) s' étendant suivant un plan parallèle à l'axe longitudinal (9) du corps cylindrique (8), ce méplat (10) donnant à la section transversale du corps cylindrique(10) extending in a plane parallel to the longitudinal axis (9) of the cylindrical body (8), this flat (10) giving to the cross section of the cylindrical body
(8) la forme non circulaire.(8) the non-circular form.
6. Dispositif selon la revendication 4 ou 5, caractérisé en ce que la racle (7) est disposée au-dessus du support (1) à une hauteur (h) qui est supérieure à l'épaisseur prédéterminée (g) de la couche de photopolymère à appliquer.6. Device according to claim 4 or 5, characterized in that the doctor blade (7) is disposed above the support (1) at a height (h) which is greater than the predetermined thickness (g) of the photopolymer to apply.
7. Dispositif selon la revendication 6, caractérisé en ce que la hauteur (h) à laquelle la racle (7) est disposé est environ 2 mm plus grande que l'épaisseur prédéterminée (g) de la couche de photopolymère (2) .7. Device according to claim 6, characterized in that the height (h) at which the doctor blade (7) is disposed is about 2 mm larger than the predetermined thickness (g) of the photopolymer layer (2).
8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comprend, pour maintenir ou porter le support (1), un plateau (30) monté à un niveau variable par rapport au moyen d'application (3) du photopolymère liquide.8. Device according to any one of claims 1 to 7, characterized in that it comprises, for holding or carrying the support (1), a plate (30) mounted at a variable level with respect to the application means ( 3) liquid photopolymer.
9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il comprend un moteur à vitesse constante pour faire défiler le moyen d'application (3) au-dessus du support (1). 9. Device according to any one of claims 1 to 8, characterized in that it comprises a constant speed motor for scrolling the application means (3) above the support (1).
10. Procédé de réalisation d'une plaque d' impression moyennant un dispositif comprenant un support (1) destiné à recevoir un photopolymère liquide puis un film destiné à constituer la base de la plaque d'impression, un moyen d'application (3) du photopolymère liquide sur le support (1) en une couche (2) ayant une surface (21) et une épaisseur prédéterminée (g) et un moyen de vérification (5) de l'épaisseur (g) de la couche10. A method of producing a printing plate by means of a device comprising a support (1) intended to receive a liquid photopolymer and then a film intended to constitute the base of the printing plate, an application means (3) from the photopolymer liquid on the support (1) into a layer (2) having a surface (21) and a predetermined thickness (g) and means (5) for verifying the thickness (g) of the layer
(2) appliquée, caractérisé en ce que le procédé comprend au moins les étapes suivantes : poser un support (1) destiné à recevoir une couche(2) applied, characterized in that the method comprises at least the following steps: laying a support (1) for receiving a layer
(2) de photopolymère liquide, appliquer le photopolymère liquide sur le support (1) en une couche (2) ayant une surface (21) et une épaisseur prédéterminée (g) , vérifier l'épaisseur (g) de la partie de la couche de polymère (2) venant d'être appliquée, engendrer un signal de correction si l'épaisseur réelle diffère de l'épaisseur prédéterminée (g) et réajuster un doseur (7, 8) du moyen d'application(2) liquid photopolymer, apply the liquid photopolymer on the support (1) in a layer (2) having a surface (21) and a predetermined thickness (g), check the thickness (g) of the portion of the layer of polymer (2) just applied, generating a correction signal if the actual thickness differs from the predetermined thickness (g) and readjusting a metering device (7, 8) of the application means
(3) suivant le signal de correction.(3) following the correction signal.
11. Procédé selon la revendication 10, caractérisé en ce que le moyen d'application (3) défile au-dessus du support (1) avec une vitesse d'application constante. 11. The method of claim 10, characterized in that the application means (3) scrolls over the support (1) with a constant rate of application.
EP07766096A 2006-05-29 2007-05-24 Device for creating a printing plate and development process Not-in-force EP2021180B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0651933A FR2901506B1 (en) 2006-05-29 2006-05-29 DEVICE FOR MAKING A PRINTING PLATE AND METHOD OF MAKING SAME
PCT/FR2007/051325 WO2007138218A1 (en) 2006-05-29 2007-05-24 Device for creating a printing plate and development process

Publications (2)

Publication Number Publication Date
EP2021180A1 true EP2021180A1 (en) 2009-02-11
EP2021180B1 EP2021180B1 (en) 2011-11-30

Family

ID=36972846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07766096A Not-in-force EP2021180B1 (en) 2006-05-29 2007-05-24 Device for creating a printing plate and development process

Country Status (7)

Country Link
US (1) US20100233354A1 (en)
EP (1) EP2021180B1 (en)
JP (1) JP5043101B2 (en)
CN (1) CN101448643A (en)
ES (1) ES2376914T3 (en)
FR (1) FR2901506B1 (en)
WO (1) WO2007138218A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102343710B (en) * 2010-05-28 2013-10-09 任德坚 Prospective intelligent control method and device for fluid printing color film
EP2578410B1 (en) * 2010-05-28 2019-01-16 Andrew Tak Kin Yan Active prospective intelligent monitoring method for liquid film and device thereof
CN102632019B (en) * 2012-05-15 2013-11-27 深圳市信宇人科技有限公司 Control method and control system of film thickness of slit coater
KR20150061593A (en) * 2013-11-27 2015-06-04 시바우라 메카트로닉스 가부시끼가이샤 Applicator, application method, appratus and method for manufacturing a display device member
CN104858106B (en) * 2015-06-01 2018-01-26 合肥京东方光电科技有限公司 coating system and coating method
CN107931026B (en) * 2017-12-22 2019-07-05 江苏金风科技有限公司 Coating unit
EP3722009A1 (en) 2019-03-29 2020-10-14 Airbus Operations GmbH Device and system
EP3725539A1 (en) 2019-03-29 2020-10-21 Airbus Operations GmbH Device for lacquer transfer
EP3750637A1 (en) 2019-03-29 2020-12-16 Airbus Operations GmbH Device for a lacquer transfer
EP3722007A1 (en) 2019-03-29 2020-10-14 Airbus Operations GmbH Device for lacquer transfer
EP3733300A1 (en) 2019-04-11 2020-11-04 Airbus Operations GmbH Device for a lacquer transfer
EP3725422A1 (en) 2019-04-12 2020-10-21 Airbus Operations GmbH Device for lacquer transfer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56159646A (en) * 1980-04-28 1981-12-09 Grace W R & Co Method and device for forming and distributing photosensitive polymer
JPS63109080U (en) * 1986-12-31 1988-07-13
US5632814A (en) * 1992-02-27 1997-05-27 Jagenberg Aktiengesellschaft Device for applying a coating material to a running web
US5558716A (en) * 1993-04-01 1996-09-24 Hirano Tecseed Co., Ltd. Coating machine with an adjustable nozzle and a pressure sensor
JP3423077B2 (en) * 1993-08-25 2003-07-07 ダブリュ・アール・グレイス・アンド・カンパニー・コネテイカット Plate printing method
JP3629334B2 (en) * 1996-04-09 2005-03-16 大日本スクリーン製造株式会社 Coating device
DE19722117C2 (en) * 1997-05-27 2000-09-07 Bematec S A Coating of porous supports
WO2000061298A1 (en) * 1999-04-13 2000-10-19 Alcan International Limited Control of coating thickness in sheet article coaters
JP4010188B2 (en) * 2002-05-31 2007-11-21 東レ株式会社 Method for measuring thickness of coating film and measuring apparatus and method for manufacturing coating film forming member
JP2005103416A (en) * 2003-09-30 2005-04-21 Toppan Printing Co Ltd Coater and method for controlling die slit thickness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007138218A1 *

Also Published As

Publication number Publication date
US20100233354A1 (en) 2010-09-16
CN101448643A (en) 2009-06-03
JP2009538751A (en) 2009-11-12
WO2007138218A1 (en) 2007-12-06
FR2901506B1 (en) 2011-02-11
ES2376914T3 (en) 2012-03-20
EP2021180B1 (en) 2011-11-30
JP5043101B2 (en) 2012-10-10
FR2901506A1 (en) 2007-11-30

Similar Documents

Publication Publication Date Title
EP2021180B1 (en) Device for creating a printing plate and development process
EP2731731B1 (en) Device and method for deposing a width-adjustable film of ordered particles onto a moving substrate
EP3650200A1 (en) Method and devices for quick detection and calibration of a 3d printer using a viscous material
EP2870025B1 (en) Method for calibrating an actuating device
EP3056944B1 (en) Method and apparatus for dispensing a photoresist layer on a substrate
WO2011004118A1 (en) Pipe of circular overall cross section, fitted with an airflow rate regulating device
EP0929385B1 (en) Device for cutting out parts of any shape
EP2274157B1 (en) Nozzle including a jointed application pallet
WO1993015387A1 (en) Rheometer for injection press
EP3191737B1 (en) Mechanical transmission for a mail-stacking unit, comprising a clutch-brake and elliptical gears
EP3007876B1 (en) Die for manufacturing a film by extrusion
EP3633703B1 (en) Locking module of a triggering system for electrical switching device
FR2691179A1 (en) A method of coating sheet material.
FR2702996A1 (en) Offset cassette printing device.
FR2556653A1 (en) DEVICE FOR DEBITTING VISCOUS LIQUIDS, IN PARTICULAR INK
FR3081753A1 (en) MATERIAL DEPOSIT SYSTEM AND ASSOCIATED METHOD
FR2618355A1 (en) CONTINUOUS FEEDING DEVICE FOR PARTICLE MATERIALS
EP3515675A1 (en) Process for cutting slices from an ingot made of hard material and abrasive wire
FR2938246A1 (en) Star for e.g. rotary container-filling machine, has wheel integrated with base and comprising track for receiving container, and closing unit partially closing track, where wheel is concentric with axis of driving shaft
FR3082001A1 (en) PROCESS FOR DEVELOPING A SHEAR BENCH AND ASSOCIATED SHEAR BENCH
WO2009024187A1 (en) Contactless device for measuring the thickness of moving thin layers or films
BE1022595B1 (en) DEVICE FOR HANDLING THE EDGE OF A FLOATING GLASS TAPE, INCLUDING AN INCLINED AXIS WHEEL, AND AN INSTALLATION COMPRISING SUCH A DEVICE
FR3080787A1 (en) CLAMPING DEVICE
EP1272298A1 (en) Method and device for controlling metal liquid level in a continuous casting machine
FR2507583A1 (en) Detector for conveyor belt speed control - has pivoting arm with contact foot which rotates shaft to activate detector elements through toothed wheel

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20081117

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

17Q First examination report despatched

Effective date: 20090327

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE ES FR GB IT

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602007019104

Country of ref document: DE

Effective date: 20120202

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2376914

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20120320

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20120831

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602007019104

Country of ref document: DE

Effective date: 20120831

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20180601

Year of fee payment: 12

Ref country code: DE

Payment date: 20180529

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20180525

Year of fee payment: 12

Ref country code: IT

Payment date: 20180522

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20180529

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602007019104

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190524

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191203

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190524

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190524

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20201001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190525