FR2808240A1 - METHOD FOR MANUFACTURING A SERIAL PLATE FOR HOT-MARKING REPRODUCTION, AND SERIOUS PLATE OBTAINED - Google Patents

METHOD FOR MANUFACTURING A SERIAL PLATE FOR HOT-MARKING REPRODUCTION, AND SERIOUS PLATE OBTAINED Download PDF

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Publication number
FR2808240A1
FR2808240A1 FR0005383A FR0005383A FR2808240A1 FR 2808240 A1 FR2808240 A1 FR 2808240A1 FR 0005383 A FR0005383 A FR 0005383A FR 0005383 A FR0005383 A FR 0005383A FR 2808240 A1 FR2808240 A1 FR 2808240A1
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France
Prior art keywords
plate
engraved
layer
manufacturing
silicone elastomer
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Granted
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FR0005383A
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French (fr)
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FR2808240B1 (en
Inventor
Daniel Ehanno
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GRAVURE ET PREC GEP
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GRAVURE ET PREC GEP
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Priority to FR0005383A priority Critical patent/FR2808240B1/en
Priority to AU2001256452A priority patent/AU2001256452A1/en
Priority to PCT/FR2001/001334 priority patent/WO2001081084A1/en
Priority to EP01929766A priority patent/EP1276613A1/en
Publication of FR2808240A1 publication Critical patent/FR2808240A1/en
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Publication of FR2808240B1 publication Critical patent/FR2808240B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0415Ornamental plaques, e.g. decorative panels, decorative veneers containing metallic elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/02Engraving; Heads therefor
    • B41C1/04Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05Heat-generating engraving heads, e.g. laser beam, electron beam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22Removing surface-material, e.g. by engraving, by etching
    • B44C1/228Removing surface-material, e.g. by engraving, by etching by laser radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/005Removing selectively parts of at least the upper layer of a multi-layer article

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

The invention concerns a method for making an engraved plate for reproduction by hot marking, and the resulting engraved plate. The method consists in applying a silicone elastomer layer or the like on the metal plate, then in engraving the impression of the pattern to be reproduced in the silicone elastomer layer, using a laser engraving technique. The engraved plate comprises a metal plate (7) coated with a layer (6) of silicone elastomer or the like wherein is engraved the impression (61) of the pattern to be reproduced.

Description

<B>présente invention a pour objet dans le domaine de la</B> <B>reproduction par</B> marquage à<B>chaud, un procédé de fabrication d'</B> <B>plaque gravée, et une</B> plaque <B>gravée obtenue par la mise en</B> aeuvre <B>dudit procédé.</B> The subject of the present invention is in the field of <B> <BR> <B> reproduction by <B> hot stamping, a method of manufacturing </ B> <B> engraved plate, and an engraved plate obtained by the setting of the said process. </ B>

<B>le domaine de la reproduction par marquage</B> à<B>chaud,</B> <B>outils utilisés consistent traditionnellement en une plaque gravée</B> <B>comportant une semelle métallique sur laquelle est rapportée par</B> <B>collage une couche d'élastomère de silicone dont la face libre</B> <B>présente la gravure du motif à reproduire.</B> <B> the field of reproduction by marking </ B> to <B> hot, </ B> <B> tools used traditionally consist of an engraved plate </ B> <B> having a metal sole on which is reported by </ B> <B> gluing a layer of silicone elastomer whose free face </ B> <B> has the engraving of the pattern to reproduce. </ B>

Afin <B>d'améliorer les caractéristiques de conductivité</B> thermique <B>de</B> l'élastomère <B>de silicone, celui-ci est chargé de particules</B> thermo <B>conductrices.</B>  In order to <B> improve the <B> thermal conductivity <B> of </ B> the silicone <B> elastomer, it is loaded with conductive </ B> thermo <B> particles. </ B>

<B>La réalisation d'un tel outil nécessite plusieurs opérations</B> <B>successives à savoir</B> -<B>reproduction par usinage mécanique sur une pièce métallique</B> <B>du positif du motif à reproduire,</B> -<B>réalisation d'un moule en bakélite de l'empreinte en négatif,</B> -<B>moulage d'une pièce en élastomère de silicone chargé dans le</B> <B>moule en bakélite,</B> -<B>collage de la pièce d'élastomère de silicone sur une matrice</B> <B>en métal.</B> <B> The realization of such a tool requires several operations </ B> <B> successive to know </ B> - <B> reproduction by mechanical machining on a metal part </ B> <B> of the positive of the motive to reproduce, </ B> - <B> realization of a bakelite mold of the negative imprint, </ B> - <B> molding of a piece of silicone elastomer loaded into the </ B> < B> Bakelite mold, </ B> - <B> Bonding the piece of silicone elastomer to a metal matrix </ B>. </ B>

<B>Du fait de toutes ces opérations, ce procédé de réalisation</B> <B>d'un tel outil est très onéreux, et</B> notamment <B>lorsque, pour</B> <B>modification du motif</B> à<B>reproduire, il est nécessaire de les refaire</B> <B>toutes.</B> <B> Because of all these operations, this method of making <B> such a tool is very expensive, and </ B> especially <B> when, for </ B> <B> modification from the pattern to <B> reproduce, it is necessary to redo them </ B> <B> all. </ B>

<B>La présente invention a pour but de proposer un procédé</B> <B>fabrication d'une plaque gravée et la plaque gravée obtenue par la</B> <B>mise en</B> aeuvre <B>dudit procédé, permettant de remédier aux divers</B> <B>inconvénients précités, en limitant notamment le nombre des</B> <B>opérations nécessaires et par là même en réduisant les coûts de</B> <B>fabrication.</B> It is an object of the present invention to provide a method of making an engraved plate and the etched plate obtained by the <B> <B> erection </ B> said method, to overcome the various disadvantages mentioned above, limiting in particular the number of necessary operations and thereby reducing the costs of manufacturing. . </ B>

<B>Le procédé de fabrication d'une plaque gravée dans le domaine</B> <B>de la reproduction par marquage à chaud selon l'invention, se</B> <B>caractérise essentiellement en ce</B> qu'il <B>consiste à</B> appliquer <B>couche d'élastomère de silicone ou analogue sur une plaque de métal</B> <B>puis à graver l'empreinte du motif à reproduire dans ladite couche</B> <B>d'élastomère silicone, au moyen d'une</B> technique <B>de gravure au</B> <B>laser.</B> <B> The method of manufacturing a plate engraved in the field of </ B> <B> of the reproduction by hot stamping according to the invention, </ B> <B> characterizes essentially in this </ B> it <B> consists in </ B> applying <B> layer of silicone elastomer or the like on a metal plate </ B> <B> then to engrave the imprint of the pattern to reproduce in said layer < Silicone elastomer, by means of <B> laser engraving </ B> technique. </ B>

<B>La technique de gravure par laser utilisée dans le procédé</B> <B>selon l'invention est choisie parmi les techniques</B> déj' <B>connues,</B> <B>telles que exemple celles utilisées dans le domaine de</B> l'impression <B>pour graver des rouleaux</B> intermédiaires <B>d'encrage ou</B> <B>des rouleaux ou</B> plaques <B>d'héliogravure, ou des clichés impression</B> flexographique. <B> The laser etching technique used in the process </ B> <B> according to the invention is chosen from known techniques </ B> or <B>, </ B> <B> such as example those used in the <B> printing <B> field to engrave <B> inking <B> or </ B> <B> rollers or </ B> plates <B> rotogravure, or printing flexographic printing.

<B>Selon</B> caractéristique <B>additionnelle du procédé selon</B> <B>l'invention, après la réalisation de la gravure, on coupe</B> à<B>la</B> <B>dimension voulue la plaque et la couche de silicone.</B> <B> According to </ B> additional <B> characteristic of the method according to </ B> <B> the invention, after the achievement of the engraving, one cuts </ B> to <B> the </ B> < B> desired size plate and silicone layer. </ B>

<B>Le</B> procede <B>de fabrication d'une plaque gravée selon l'invention</B> <B>permet de 'affranchir de nombreuses opérations longues,</B> <B>fastidieuses et coûteuses.</B> <B> The <B> method of manufacturing an engraved plate according to the invention </ B> <B> allows to free many long, tedious and expensive operations. </ B>

<B>I1 permet de plus de réaliser aisément des plaques gravées de</B> <B>grandes dimensions, ce qui n'est pas toujours possible par le</B> <B>procédé traditionnel du fait de la nécessité de fabriquer un moule.</B> <B> I1 also makes it possible to easily produce etched plates of large dimensions, which is not always possible by the traditional process because of the need to manufacture a mold. </ B>

<B>Une plaque gravée obtenue par le procédé de fabrication selon</B> <B>l'invention se caractérise essentiellement en ce qu'elle comprend</B> <B>une plaque métallique recouverte d'une couche d'élastomère de</B> <B>silicone ou analogue dans laquelle est gravée l'empreinte motif</B> à <B>reproduire, moyen d'une technique de gravure par laser.</B> <B> An etched plate obtained by the manufacturing method according to <B> <B> the invention is essentially characterized in that it comprises </ B> <B> a metal plate covered with an elastomer layer of </ B> <B> silicone or the like in which is engraved the imprint pattern </ B> to <B> reproduce, by means of a technique of laser engraving. </ B>

<B>On connaît déjà dans le domaine de l'impression et plus</B> <B>particulièrement de la flexographie, des clichés comprenant une</B> <B>semelle flexible recouverte d'une couche d'un matériau thermo-</B> <B>sensible gravée au moyen d'une technique de gravure par laser.</B> <B>Cependant, ces clichés ne sont pas adaptés à la reproduction par</B> <B>gravure</B> à<B>chaud.</B> <B> There is already known in the field of printing and more <B> particularly flexographic, clichés comprising a flexible footbed covered with a layer of a thermo material - </ B> <B> sensitive engraved using a laser engraving technique. </ B> <B> However, these snapshots are not suitable for reproduction by </ B> <B> engraving </ B> to <B> hot. </ B>

<B>Selon caractéristique additionnelle de la plaque gravée</B> <B>selon l'invention, la couche d'élastomère de silicone ou analogue</B> <B>est chargée de particules</B> thermo-conductrices. According to the additional characteristic of the etched plate according to the invention, the layer of silicone elastomer or the like is charged with thermally conductive particles.

<B>Dans le</B> domaine <B>de l'impression,</B> notamment <B>la flexographie, on</B> <B>utilise également des élastomères chargés mais uniquement pour</B> <B>améliorer les qualités mécaniques de</B> l'empreinte, <B>alors que, selon</B> <B>l'invention, dans l'élastomère de silicone ou</B> analogue <B>la charge est</B> <B>utilisée pour des raisons de conductivité</B> thermique. <B>Selon une autre</B> caractéristique <B>additionnelle de la</B> plaque <B>gravée selon l'invention, la plaque de métal est réalisée en acier.</B> <B> In the <B> <B> field of printing, </ B> especially <B> flexo, we </ B> <B> also use loaded elastomers but only for </ B> < B> improve the mechanical qualities of </ B> the imprint, <B> while, according to </ B> <B> the invention, in the silicone elastomer or </ B> analog <B> the load is <b> used for thermal conductivity </ B> reasons. <B> According to another <B> additional <B> characteristic of the engraved plate <B> according to the invention, the metal plate is made of steel. </ B>

<B>Selon une autre caractéristique additionnelle de la plaque</B> <B>gravée selon l'invention,</B> l'empreinte <B>a des</B> flancs <B>présentant un</B> <B>profil progressif.</B> <B> According to another additional characteristic of the engraved plate <B> according to the invention, </ B> the imprint <B> has </ B> flanks <B> presenting a </ B> <B> progressive profile. </ B>

<B>Les avantages et les caractéristiques du dispositif selon</B> <B>l'invention, ressortiront plus clairement de la description qui suit</B> <B>et qui se rapporte au dessin annexé, lequel en représente un mode de</B> <B>réalisation non limitatif.</B> <B> The advantages and characteristics of the device according to the invention will become more clearly apparent from the description which follows and which refers to the appended drawing, which represents a preferred embodiment thereof. of </ B> <B> non-limiting realization. </ B>

<B>Dans le dessin</B> annexé -<B>les figures la, lb,</B> 1c <B>et</B> 1d <B>représentent des schématiques</B> <B>illustrant différentes étapes du procédé de fabrication d'un outil</B> <B>de marquage à chaud utilisé traditionnellement.</B> <B> In the attached drawing - <B> Figures 1a, 1b, 1c <B> and 1d <B> represent schematics </ B> <B> illustrating different steps in the manufacturing process of a traditionally used hot stamping tool. </ B>

-<B>les figures 2a et 2b représentent des vues schématiques</B> <B>illustrant le procédé de fabrication d'une plaque gravée selon</B> <B>l'invention.</B> - <B> Figures 2a and 2b show schematic views illustrating the process of manufacturing a plate engraved according to the invention. </ B> <B>

<B>En référence à la figure la on peut voir</B> que <B>la première étape</B> <B>de fabrication d'un outil pour marquage</B> à<B>chaud selon un procédé</B> <B>traditionnel, consiste à usiner dans une plaque métallique 1 le</B> <B>positif 10 d'une image 2 à reproduire.</B> <B> Referring to Figure 1 it can be seen that <B> the first step </ B> <B> of manufacturing a tool for marking <B> to hot <B> by a process </ B> <B> traditional, is to machine in a metal plate 1 the positive 10 of a picture 2 to reproduce. </ B>

<B>L'étape suivante, représentée sur la figure lb, consiste à</B> <B>utiliser la plaque</B> métallique <B>pour fabriquer</B> un <B>moule 3 en</B> <B>bakélite, afin d'obtenir une empreinte 30 en négatif de l'image 2.</B> <B> The next step, shown in Fig. 1b, is to </ B> <B> use the <B> metal plate <B> to make </ B> a <B> 3 mold in </ B> <B> bakelite, in order to get a negative 30 impression of image 2. </ B>

<B>En référence à la figure on peut voir que dans le moule 3</B> <B>est coulé un élastomère de silicone chargé 4, en vue d'obtenir une</B> plaque <B>40 comprenant</B> un <B>positif de l'image 2.</B> <B> Referring to the figure it can be seen that in the mold 3 </ B> <B> is poured a loaded silicone elastomer 4, in order to obtain a </ B> plate 40 comprising </ B> a positive <B> from image 2. </ B>

Après, <B>comme cela est visible sur la figure</B> 1d, <B>la plaque 40</B> <B>est collée sur une semelle 5 métal tel que de l'acier, ce</B> qui <B>permet d'obtenir l'outil de gravure à chaud.</B>  After, <B> as shown in the figure </ B> 1d, <B> the plate 40 <B> is glued on a metal sole such as steel, this </ B> which <B> gets the hot-burning tool. </ B>

<B>En référence maintenant aux figures 2a et 2b, on peut voir que</B> <B>selon l'invention, on applique une couche 6 d'élastomère de silicone</B> <B>ou analogue sur une plaque métallique 7, puis, au moyen d'un laser</B> <B>8, on usine la face 60 de la couche 6 afin d' obtenir une empreinte</B> <B>61.</B> Referring now to Figures 2a and 2b, it can be seen that according to the invention, a layer 6 of silicone elastomer or the like is applied to a plate metal 7, then, by means of a laser <B> 8, the face 60 of the layer 6 is machined in order to obtain an impression. </ B> <B> 61. </ B>

<B>Le procédé de fabrication d'une plaque gravée selon l'invention</B> <B>est moins long et moins coûteux que le procédé existant précédemment</B> <B>décrit. I1</B> necessite <B>moins de main</B> d'aeuvre <B>et permet de</B> realiser <B>des</B> plaques gravees <B>de grandes dimensions.</B> <B> The method of manufacturing an etched plate according to the invention is shorter and less expensive than the method previously described. I1 </ B> needs <B> less <B> workmanship <B> and <B> makes <B> large <B> plates large </ B>. </ B> >

<B>Par ailleurs, la</B> technique <B>de gravure laser permet</B> <B>avantageusement de réaliser des empreintes dont flancs</B> <B>présentent profil progressif apte</B> à<B>mieux résister</B> à<B>pression</B> <B>du</B> marquage, <B>profil qu'il est impossible d'obtenir par un usinage</B> <B>classique.</B> <B> Moreover, the <B> technique <B> of laser engraving allows <B> <B> advantageously to realize footprints whose flanks </ B> <B> present progressive profile fit </ B> to </ B> B> better resist <B> pressure </ B> <B> of the </ B> marking, <B> profile that is impossible to obtain by machining </ B> <B> classic . </ B>

<B>I1 va de soi que la présente invention ne saurait être</B> <B>limitée à la description qui précède de l'un de ses modes de</B> <B>réalisation, susceptible de</B> subir quelques <B>modifications sans pour</B> <B>autant sortir du cadre de l'invention.</B><B> It goes without saying that the present invention can not be <B> limited to the foregoing description of one of its modes of <B> <B> achievement, likely to </ B> to undergo some <B> modifications without to <B> <B> so far out of the scope of the invention. </ B>

Claims (1)

REVENDICATIONS <B>1) Procédé de fabrication d'une</B> plaque <B>gravée dans le domaine</B> <B>de la reproduction par</B> marquage <B>à chaud caractérisé en ce qu'il</B> <B>consiste à appliquer une couche d'élastomère de silicone ou</B> analogue <B>sur une</B> plaque <B>de métal, puis</B> à<B>graver l'empreinte du motif à</B> <B>reproduire dans ladite couche d'élastomère de silicone, au moyen</B> <B>d'une</B> technique <B>de gravure au laser.</B> <B>2)</B> Procedé <B>de fabrication selon la revendication 1, caractérisé</B> <B>en ce qu'après la réalisation de la gravure, on coupe à la dimension</B> <B>voulue la plaque et la couche de silicone.</B> <B>3) Plaque gravée obtenue par le procédé de fabrication selon la</B> <B>revendication 1 ou la revendication 2, caractérisée en ce</B> qu'elle <B>comprend plaque métallique (7) recouverte d'une couche (6)</B> <B>d'élastomère de silicone ou analogue dans laquelle gravée</B> <B>l'empreinte (61) du motif à reproduire au moyen d'une</B> technique <B>de</B> <B>gravure par laser.</B> <B>4)</B> Plaque <B>gravée selon la revendication 1, caractérisée en ce</B> <B>que la couche (6) d'élastomère de silicone ou</B> analogue <B>chargée</B> <B>de particules</B> thermo-conductrices. <B>5) Plaque gravée selon la revendication 3 ou la revendication</B> <B>4, caractérisée en ce que la plaque de métal (7) est</B> realisée <B>en</B> <B>acier.</B> <B>6) Plaque gravée selon l'une</B> quelconque <B>des revendications 3 à</B> <B>5, caractérisée en ce que l'empreinte (61) a des flancs présentant</B> <B>un profil progressif.</B> CLAIMS <B> 1) A method of manufacturing a <B> plate <B> engraved in the field </ B> <B> of the reproduction by </ B> marking <B> hot characterized in that it is to apply a layer of silicone elastomer or <B> analog <B> on a <B> plate <B> of metal and then </ B> to <B> burn the imprint of the reproducing pattern in said silicone elastomer layer, by means of a laser engraving technique. </ B> <B> <B> <B> 2) </ B> Manufacturing process <B> according to claim 1, characterized </ B> <B> in that after the completion of the engraving, it is cut to size </ B> <B> desired the plate and the silicone layer. </ B> <B> 3) Engraved plate obtained by the manufacturing method according to the <B> <B> claim 1 or claim 2, characterized in that </ B> it <B> comprises metal plate (7) covered with a layer (6) <B> of silicone elastomer or the like in which engraved <B> <B> the footprint ( 61) of the reason reproduce by means of a <B> technique <B> of <B> laser engraving. </ B> <B> 4) </ B> engraved plate <B> according to claim 1, characterized in that </ B> <B> than the layer (6) of silicone elastomer or <B> analogous <B> charged </ B> <B> of thermally conductive particles. <B> 5) Etched plate according to claim 3 or claim 4, characterized in that the metal plate (7) is <B> made <B> in </ B> <B > steel. </ B> <B> 6) Plate engraved according to any of claims 3 to 5, characterized in that the cavity (61) has flanks with a progressive profile. </ B>
FR0005383A 2000-04-27 2000-04-27 METHOD FOR MANUFACTURING AN ENGRAVED PLATE FOR REPRODUCTION BY HOT MARKING, AND ENGRAVED PLATE OBTAINED Expired - Fee Related FR2808240B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0005383A FR2808240B1 (en) 2000-04-27 2000-04-27 METHOD FOR MANUFACTURING AN ENGRAVED PLATE FOR REPRODUCTION BY HOT MARKING, AND ENGRAVED PLATE OBTAINED
AU2001256452A AU2001256452A1 (en) 2000-04-27 2001-04-27 Method for making an engraved plate for hot marking reproduction, and resulting engraved plate
PCT/FR2001/001334 WO2001081084A1 (en) 2000-04-27 2001-04-27 Method for making an engraved plate for hot marking reproduction, and resulting engraved plate
EP01929766A EP1276613A1 (en) 2000-04-27 2001-04-27 Method for making an engraved plate for hot marking reproduction, and resulting engraved plate

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Application Number Priority Date Filing Date Title
FR0005383A FR2808240B1 (en) 2000-04-27 2000-04-27 METHOD FOR MANUFACTURING AN ENGRAVED PLATE FOR REPRODUCTION BY HOT MARKING, AND ENGRAVED PLATE OBTAINED

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FR2808240A1 true FR2808240A1 (en) 2001-11-02
FR2808240B1 FR2808240B1 (en) 2003-03-07

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EP (1) EP1276613A1 (en)
AU (1) AU2001256452A1 (en)
FR (1) FR2808240B1 (en)
WO (1) WO2001081084A1 (en)

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ITBO20040579A1 (en) * 2004-09-21 2004-12-21 Serigrafica Tosi S R L METHOD FOR THE CREATION OF RELIEF DECORATIONS ON CERAMIC TILES

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DE19756327A1 (en) * 1997-12-18 1999-07-01 Polywest Kunststofftechnik Mold for rotary printing, coating or embossing of sheet-like materials and method for producing the mold
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