WO2006027398A1 - Método y aparato para la obtención de hologramas y/o efectos ópticos sobre un material laminar - Google Patents
Método y aparato para la obtención de hologramas y/o efectos ópticos sobre un material laminar Download PDFInfo
- Publication number
- WO2006027398A1 WO2006027398A1 PCT/ES2005/000429 ES2005000429W WO2006027398A1 WO 2006027398 A1 WO2006027398 A1 WO 2006027398A1 ES 2005000429 W ES2005000429 W ES 2005000429W WO 2006027398 A1 WO2006027398 A1 WO 2006027398A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet material
- support
- matrix
- support sheet
- lacquer layer
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 159
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 239000004922 lacquer Substances 0.000 claims abstract description 122
- 239000011159 matrix material Substances 0.000 claims abstract description 92
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000007639 printing Methods 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 18
- 239000002966 varnish Substances 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007647 flexography Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/0276—Replicating a master hologram without interference recording
- G03H1/028—Replicating a master hologram without interference recording by embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/0236—Form or shape of the hologram when not registered to the substrate, e.g. trimming the hologram to alphanumerical shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/022—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
- B29C2059/023—Microembossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
- B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated substantially flat surfaces
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
- G03H2001/185—Applying a curing step
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2227/00—Mechanical components or mechanical aspects not otherwise provided for
- G03H2227/04—Production line for mass production
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2250/00—Laminate comprising a hologram layer
- G03H2250/40—Printed information overlapped with the hologram
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2270/00—Substrate bearing the hologram
- G03H2270/20—Shape
- G03H2270/23—Ribbon shaped, e.g. holographic foil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Definitions
- the present invention relates in general to a method and apparatus for obtaining holograms and / or optical effects such as metallic shines, and more specifically to a method and apparatus for obtaining holograms or other configurations capable of generating optical effects on a supporting sheet material, in particular in the form of a continuous web.
- EP-A-0540455 describes a process for obtaining printed sheets with an optical effector which comprises, firstly, applying a lacquer layer on a sheet with previously printed motifs or illustrations, so that the lacquer layer completely covers the sheet or only a predetermined areas according to the printed motifs.
- the process involves making the engraving by applying a matrix with an original micro-relief pattern against the lacquer layer by pressure and heat and finally curing the lacquer layer by irradiation of ultraviolet light.
- the lacquer used is a transparent resin polymerizable by ultraviolet rays and the engraving is carried out at the same time that the resin is irradiated.
- the matrix is arranged on the periphery of an engraving roller and the sheet is a web of continuous sheet material coming from a supply coil, so that the process is carried out continuously.
- the ES-A-2145658 patent discloses an installation for obtaining sheets with optical effects characterized in that the application of the resin On the sheet it is carried out by gravure, screen printing, flexography, offset or other means, and the polymerization of the resin is carried out at the same time as the engraving.
- the application of the resin can be carried out either directly on the sheet, before it reaches the engraving roller, or on the engraving roller, before it receives the sheet.
- the engraving roller comprises a base cylinder on whose periphery an emulsion with the hardened matrix or engraving information is arranged.
- the application, recording and polymerization means form a compact set that can be brought online with a rotary printer to apply the optical effects in registration with the motifs or illustrations printed on the printer and at the speed of the printer.
- the matrix is arranged in the periphery of an engraving cylinder. Obtaining these cylinders is complex and expensive and micro-reliefs require careful and frequent maintenance of cleaning to ensure good recording conditions. In addition, when several machines are arranged for obtaining optical effects, each machine requires one of such recording rollers.
- An objective of the present invention is to provide a method for obtaining holograms and / or various optical effects such as brightness, from a matrix in the form of a continuous band of a sheet material on which a pattern is formed or engraved in original hologram micro-relief.
- Another objective of the present invention is to provide an apparatus for obtaining holograms provided with suitable means to implement the above method.
- the present invention provides a method for obtaining holograms, of the type comprising the steps of superimposing and pressing a matrix, which carries an original micro-relief pattern of a hologram, or a configuration that provides a Optical effect that is interesting to apply, on a layer of lacquer or transparent varnish applied to a support sheet material in the form of a continuous band, in order to engrave a pattern in duplicate micro-relief of the hologram or of a configuration capable of providing an effect optical, in said lacquer layer, and cure the lacquer layer engraved on said support sheet material.
- the method of the present The invention is characterized in that it comprises providing the matrix in the form of a continuous band of a sheet material on which said original micro-relief pattern of the hologram is arranged, and dynamically superimposing the lacquer layer applied to the support sheet material to said continuous band constituting the matrix on a support roller, and dynamically pressing the lacquer layer applied to the support sheet material against the matrix on said support roller by means of a pressure roller.
- the sheet material on which said pattern is configured is a continuous band constituting the matrix where the surface tension of said band is less than the surface tension of the material laminar support.
- the continuous constitutive band of the matrix is unwound from a matrix supply coil and is conducted and supplied to the transfer device, and then collected at the exit of the transfer device and driven and reel to a collection coil of matrix, so that the final coil can be immediately used as the initial coil in the same or another device.
- the support sheet material can be unwound from a supply sheet of support sheet material and conducted and delivered to the transfer device, and then collect the support sheet material, with the etched and cured lacquer layer applied on the same, coming from the transfer device and a curing device, to drive it and wind it to a collection coil of supporting sheet material. Thanks to this, the process can be carried out continuously and at a relatively high speed.
- the method of the present invention allows the use of a printing group, according to the direction of advancement of the supporting sheet material, of a flexographic printer of the type provided with a support drum as the application device of the lacquer layer on the sheet material central and a plurality of printing groups arranged side and side of said central support drum.
- a cliché can be installed with a configuration adapted to transfer the lacquer layer only in predetermined areas on the sheet material of support, said predetermined areas being in accordance with the motifs or illustrations previously printed on the web of sheet material by the preceding printing groups.
- the application of the lacquer layer is done at registration and at the same speed as the previous printing of motifs or illustrations on the web of laminar material with the same printer.
- the method comprises irradiating the lacquer layer by ultraviolet radiation after the lacquer layer has been etched.
- the support sheet material is substantially transparent or translucent, radiation can be effected through the support sheet material, possibly on the support roller.
- the support is substantially opaque as when it is substantially transparent or translucent.
- the present invention provides an apparatus for obtaining holograms or duplicating optical effects such as brightness, relief information, etc., of the type comprising a transfer device for superimposing and pressing a matrix, which carries a pattern in an original micro-relief of the hologram, on a layer of varnish or transparent lacquer applied to a laminar support material in the form of a continuous band, in order to engrave a duplicate micro-relief pattern of the hologram on said lacquer layer, and a curing device to cure the lacquer layer etched on said support sheet material.
- a transfer device for superimposing and pressing a matrix, which carries a pattern in an original micro-relief of the hologram, on a layer of varnish or transparent lacquer applied to a laminar support material in the form of a continuous band, in order to engrave a duplicate micro-relief pattern of the hologram on said lacquer layer, and a curing device to cure the lacquer layer etched on said
- the apparatus of the present invention is characterized in that said matrix comprises a continuous band of a sheet material on which the said hologram original micro-relief pattern is arranged or holographically engraved, or an optical effect to reproduce for example a metallic gloss, and because said transfer device comprises a support roller, on which said continuous band constituting the matrix superimposed on the lacquer layer superimposed on the lacquer layer applied to the support sheet material, and a pressure roller arranged to dynamically press The lacquer layer applied to the support sheet material against the matrix on said support roller.
- the matrix in the form of a continuous band has the advantage of being able to be obtained in the necessary quantities and in a relatively economical manner by any of the procedures known in the state of the art using a engraving roller. Once the matrix is obtained, it can be used a large number of times with minimal maintenance to obtain a large number of duplicates at a very low cost.
- the matrix in the form of a continuous band can be used with different application configurations of the lacquer layer on predetermined areas of the support sheet material. In addition, when several machines are available, an adequate number of matrix supply coils obtained from a single engraving roller can be used, which avoids
- Fig. 1 is a schematic diagram showing an apparatus for obtaining holograms and / or other optical effects according to an embodiment of the present invention
- Fig. 2 is a schematic diagram showing an apparatus for obtaining holograms according to another embodiment of the present invention.
- Fig. 3 is a schematic diagram showing the apparatus of the present invention associated with a flexographic printer.
- an example of the embodiment of the apparatus for obtaining holograms (or other configurations producing optical effects) of the present invention comprising an application device 10 for applying a varnish or lacquer layer, is shown one transparent on a laminar support material 2 in the form of a continuous band, a transfer device 20 for superimposing and pressing a matrix 3, which carries an original micro-relief pattern of the hologram, on said lacquer layer 1 applied to the laminar material of support 2, in order to engrave a duplicate micro-embossed pattern of the hologram on said lacquer layer 1, and a curing device 30 for curing the lacquer layer 1 etched on said support laminar material 2.
- the aforementioned matrix 3 is composed of a continuous band of a flexible sheet material on which the said original micro-relief pattern of a hologram or a configuration capable of generating optical effects is arranged or holographically engraved.
- This matrix 3 in the form of a continuous band is obtained by any one of the procedures well known in the art of the sector, for example, using an engraving roller.
- Said transfer device 20 comprises a support roller 21, on which said continuous band constitutive of the matrix 3 superimposed on the lacquer layer 1, uncured, applied to the support sheet material 2, and are supported and moved together.
- a pressure roller 22 arranged to dynamically press the lacquer layer 1 applied to the support sheet 2 against the matrix 3 on said support roller 21.
- the sheet material is a continuous band constituting the matrix 3 and The surface tension of said band is less than the surface tension of the support sheet material (2).
- the apparatus comprises a support sheet material delivery device (not shown) adapted to unwind, conduct and supply the support sheet material 2 from a support sheet of support sheet material 15 to the application device 10, where the lacquer layer 1 is applied to the support sheet 2.
- a support sheet material delivery device (not shown) adapted to unwind, conduct and supply the support sheet material 2 from a support sheet of support sheet material 15 to the application device 10, where the lacquer layer 1 is applied to the support sheet 2.
- the application device 10 comprises a support drum 11 on which the support sheet 2 is supported and moved, and an application group that includes a lacquer supplier 14 for applying lacquer to the surface of a daubing roller 13 arranged to smear an applicator roller 12, which in turn is in rolling contact with the supporting sheet material 2 on said support drum 11 to transfer the lacquer from said smearing roller 13 to the support material 2.
- a cliché with a configuration adapted to transfer the lacquer layer 1 only in predetermined areas onto the support sheet 2 is mounted, although there is no technical limitation for the lacquer layer to be applied continuously.
- the support sheet material 2 has motifs or illustrations printed on the same face intended to receive the transparent lacquer layer 1, and the aforementioned predetermined areas of the support sheet material 2 on which the lacquer layer 1 is applied are arranged in relation to said motifs or printed illustrations.
- the support sheet 2 with the lacquer layer 1 applied thereto is led to the entrance of the transfer device 20.
- the continuous band constituting the matrix 3 is unwound from a supply coil of matrix 23 by a matrix supply device (not shown) and conducted and supplied to the entrance of the transfer device 20, where it is superimposed on the support sheet 2 material that carries the lacquer layer 1.
- the face of the matrix 3 containing the original micro-relief of the hologram is superimposed on contact with the face of the support sheet 2 material on which the uncured lacquer layer 1 is applied.
- the matrix 3 dynamically rests on the support roller 21
- the lacquer layer 1 applied to the support sheet material 2 rests on the matrix 3
- the pressure roller 22 exerts a pressure on the supporting sheet material 2 against the support roller 21 in order to press the lacquer layer 1 against the matrix 3.
- the pressure roller 22 is associated with a pushing means 25 adapted to apply a pushing force to the pressure roller 22 in the direction of the support roller 21.
- the said thrust means may be composed of a pair of nut and spindle mechanisms arranged at the ends of a support of the pressure roller 22 and driven by one or more electric motors. Regulating means associated with the pushing means 25 allow to regulate said pushing force applied to the pressure roller 22.
- the support sheet 2 material is substantially transparent or translucent
- said curing device 30 comprises at least one radiation lamp ultraviolet 31 arranged to irradiate the lacquer layer 1 through the support sheet material 2.
- said ultraviolet radiation lamp 31 is arranged to radiate the lacquer layer 1 through the support sheet material 2 on the support roller 21 of the transfer device 20, although it could be arranged at any other point in the circuit of the support sheet 2 material downstream of the transfer device 20.
- Several ultraviolet radiation lamps could also be arranged in front of the support roller 21 and / or at different points downstream of the transfer device 20 to reinforce the curing action.
- the matrix 3 is separated from
- the lacquer layer 1 applied, etched and cured on the support sheet material 2.
- a matrix collection device (not shown) is adapted to collect, conduct and wind the continuous band constituting the matrix 3 to a collection coil of matrix 24, and a device for collecting sheet support material (not shown) is adapted to collect, conduct and wind the sheet support material 2, with the lacquer layer 1 etched and cured applied thereto, to a collection coil of laminar support material 16.
- the matrix collection coil 24, once complete, can be used immediately as the matrix supply coil 23 in the same or another apparatus, and the support sheet of support laminar material 16 , once complete, it can be, for example, removed and stored or transferred, for example, to a cutting machine (not shown).
- the curing device 30 comprises at least one ultraviolet radiation lamp 31 arranged to directly irradiate the lacquer layer 1 applied to the support sheet 2 in a place where the matrix 3 is separated from the lacquer layer 1, downstream of the transfer device 20.
- this arrangement of the ultraviolet radiation lamp 31 also serves for a substantially transparent or translucent support sheet material 2, whereby, when a substantially transparent or translucent support sheet material 2 is used , several radiation lamps can be used ultraviolet 31 combining the arrangements shown in Fig. 1 and in Fig. 2. Since the rest of the apparatus of Fig.
- FIG. 2 is identical to that shown in Fig. 1, its description is omitted and referred to above. in relation to Fig. 1.
- Fig. 3 the apparatus for obtaining holograms of Fig. 1 is shown associated with a flexographic printer 40 provided with a central support drum 48 and a plurality of printing groups 41, 42, 43, 44, 45, 46, 47 arranged side and side of said central support drum 48.
- Each of said printing groups 41, 42, 43, 44, 45, 46, 47 comprises, as usual, a roller project holder, an inking roller and an ink supply device provided with scrapers.
- the support sheet material 2 is conducted from the supply sheet of support sheet material 15 to the central support drum 48 of the flexographic printer 40 and is dynamically supported along a significant part of its circumference, while the printing groups 41, 42, 43, 44, 45, 46, 47 print motifs on the same face of the support sheet 2 material intended to subsequently receive the transparent lacquer layer 1.
- the roller holder carries out the functions of the applicator roller 12
- the inking roller serves as the smearing roller 13
- the ink supply device provided with scrapers acts as the lacquer supplier 14 to apply lacquer in predetermined areas on the support sheet 2 in registration with the motifs or previously printed illustrations on the support sheet 2 by the printing groups 41, 42, 43, 44, 45, 46, 47.
- the support sheet material 2 with the lacquer layer 1 applied thereon is conducted to the transfer device 20, where it is superimposed on the matrix 3 from the matrix supply coil 23 analogously to that described in relation to Fig. 1.
- the pressure roller 22 presses, the lacquer layer 1 applied to the support sheet 2 against the matrix 3 on the support roller 21 by virtue of a force of push exerted by the pushing means 25, and the ultraviolet radiation lamp 31 of the curing device 30 radiates the lacquer layer 1, once recorded, through the support sheet 2 While the lacquer layer 1 is still in contact with the matrix 3.
- irradiation of the lacquer layer 1 through the support sheet 2 material is only possible on condition that the material Laminar support 2 is substantially transparent or translucent.
- the ultraviolet radiation lamp 31 will be located in a place where the matrix 3 is separated from the lacquer layer 1 downstream of the transfer device 20 to directly irradiate the layer of engraved lacquer 1 applied to the support sheet material 2, analogously to that shown in Fig. 2.
- the continuous band constituting the matrix 3, once separated from the lacquer layer 1, etched and cured, applied to the material laminar support 2, is conducted to a collection device adapted to wind it to the matrix collection coil 24, while the laminar support material 2 with the lacquer layer 1, etched and cured, applied thereto is conducted to a collection device adapted to wind it to the support coil for collecting sheet 16.
- This arrangement of the apparatus for obtaining holograms and / or other optical effects according to the present invention has several advantages over other devices of the prior art.
- a hologram originally formed as a micro-relief on a matrix in the form of a band of a flexible sheet material and thereby obtain a micro-relief replica on a band of flexible support sheet material.
- the matrix in the form of a continuous band has the additional advantage of being of very economical manufacture and maintenance in comparison with the matrices in the form of a recording roller of the prior art.
- the apparatus of the present invention allows, in association with a conventional flexographic printer, to apply the original hologram in registration with motifs or illustrations previously printed on the support sheet material intended to receive the duplicate of the hologram.
- the printing of the motifs or illustrations and the duplication of the hologram are carried out in the same operation and at the same speed.
- the apparatus can be easily adapted to work with a substantially transparent or translucent support sheet material, with a substantially opaque support sheet material, or interchangeably with one or the other.
- the method comprises, as is conventional, the steps of superimposing and pressing a matrix 3, which carries an original micro-relief pattern of a hologram, on a layer of transparent lacquer or varnish 1 applied to a support sheet material 2 in continuous band form, in order to engrave a duplicated micro-relief pattern of the hologram on said lacquer layer 1, and then cure, by means of a curing device 30, the lacquer layer 1 etched on said support sheet material 2
- the method of the present invention specifically comprises providing the matrix 3 in the form of a continuous band of a sheet material on which said original micro-relief pattern of the hologram is arranged, and dynamically superimposing the lacquer layer 1 applied to the support sheet material 2 to said continuous band constituting the matrix 3 on a support roller 21, and dynamically press the lacquer layer 1 applied to the support sheet material 2 with tra Ia matrix 3 on said support roller 21 by means of a pressure roller 22.
- the pressing step includes regulating by means of regulation a pushing force applied by means
- the bands of the support material (2) and matrix (3) are superimposed on said support roller (21) along an arc that covers at least 15 degrees and in General about 70 degrees.
- the method of the present invention also comprises unwinding the continuous band constituting the matrix 3 from a matrix supply coil 23 and driving it and supplying it to the transfer device 20, and collecting the continuous band constituting the matrix 3 from the transfer device 20 and driving it and winding it to a matrix pickup coil 24.
- the method comprises unwinding the support sheet 2 from a supply sheet of support sheet 15 and driving it and supplying it to the application device 10, and collecting the support sheet 2, with the lacquer layer 1 etched and cured applied thereon, from the transfer device 20 and the curing device 30, and drive it and wind it to a collection sheet of support sheet 16.
- the method comprises irradiating the lacquer layer 1 through the support sheet material 2 by means of an ultraviolet radiation lamp 31 in the event that the support sheet material 2 is substantially transparent or translucent, which can optionally be carried out through the supporting sheet material 2 when it is on the support roller 21 of the transfer device 20.
- the method comprises directly irradiating the lacquer layer 1 applied to the Laminar support material 2 by means of an ultraviolet radiation lamp 31 in a place where the matrix 3 is separated from the lacquer layer 1 downstream of the transfer device 20, in the event that the laminar support material 2 is substantially opaque, although there is no technical limitation to be carried out with a substantially transparent support sheet material 2 or translucent.
- the method of the present invention comprises applying the lacquer layer 1 on the support sheet material 2 either continuously or only in predetermined areas of the support sheet 2 material, generally in relation to motifs or illustrations previously printed on the support sheet material 2.
- the application of the lacquer layer 1 on the support sheet material 2 comprises supporting and displacing the support sheet material 2 on a support drum 11, and applying lacquer, by means of a lacquer supplier 14 , to the surface of a smearing roller 13 arranged to smear an applicator roller 12, which is in rolling contact with the supporting sheet material 2 on said support drum 11, and transferring the lacquer from said smearing roller 13 to the material of support 2.
- the method preferably comprises mounting on the periphery of said applicator roller 12 a cliché with a configuration adapted for transfer r the lacquer layer 1 only in said predetermined areas on the support sheet 2 material, and print, before applying the lacquer layer 1, motifs on the same face of the support sheet 2 material intended to receive the lacquer layer 1 transparent
- the method according to the present invention also comprises using as the application device 10 a last printing group, according to the feed direction of the support sheet 2, of a flexographic printer 40 provided with a central support drum 48 and a plurality of printing groups 41, 42, 43, 44, 45, 46, 47 arranged on the side and side of said central support drum 48.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/659,140 US20090056858A1 (en) | 2004-08-04 | 2005-07-28 | Method and apparatus for obtaining holograms and/or optical efects on laminar material |
DE05786269T DE05786269T1 (de) | 2004-08-04 | 2005-07-28 | Verfahren und vorrichtung zur herstellung von hologrammen und/oder optischen effekten auf einem laminaren material |
EP05786269A EP1806235A1 (en) | 2004-08-04 | 2005-07-28 | Method and device for producing holograms and/or optical effects on a laminar material |
BRPI0514088-9A BRPI0514088A (pt) | 2004-08-04 | 2005-07-28 | método e equipamento para a obtenção de hologramas e/ou efeitos óticos em um material laminar |
MX2007001373A MX2007001373A (es) | 2004-08-04 | 2005-07-28 | Metodo y aparato para la obtencion de hologramas y/o efectos opticos sobre un material laminar. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200401944 | 2004-08-04 | ||
ES200401944A ES2224893B1 (es) | 2004-08-04 | 2004-08-04 | Metodo y aparato para la obtencion de hologramas y/o efectos opticos sobre un material laminar. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006027398A1 true WO2006027398A1 (es) | 2006-03-16 |
Family
ID=34354911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2005/000429 WO2006027398A1 (es) | 2004-08-04 | 2005-07-28 | Método y aparato para la obtención de hologramas y/o efectos ópticos sobre un material laminar |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090056858A1 (es) |
EP (1) | EP1806235A1 (es) |
BR (1) | BRPI0514088A (es) |
DE (1) | DE05786269T1 (es) |
ES (1) | ES2224893B1 (es) |
MX (1) | MX2007001373A (es) |
WO (1) | WO2006027398A1 (es) |
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DE102012021819A1 (de) * | 2012-11-07 | 2014-05-08 | Heidelberger Druckmaschinen Ag | Verfahren zum Beschichten von Bogen mit einem Film in einer Druckmaschine |
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JP7105631B2 (ja) * | 2018-06-28 | 2022-07-25 | 芝浦機械株式会社 | パターン転写装置 |
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CN111546759A (zh) | 2019-02-12 | 2020-08-18 | 宝洁公司 | 使用传送部件将材料施加到制品上的方法和设备 |
WO2021141589A1 (en) * | 2020-01-09 | 2021-07-15 | Hewlett-Packard Development Company, L.P. | Methods for forming structured images and related aspects |
US11752792B2 (en) | 2020-03-09 | 2023-09-12 | The Procter & Gamble Company | Method and apparatus for applying a material onto articles using a transfer component |
IT202000010171A1 (it) * | 2020-05-08 | 2021-11-08 | G M C Di G Maccaferri E Claudio Snc | Apparato di trasferimento, fissaggio e lucidatura di immagini stampate su superfici in plastica o in metallo di oggetti tridimensionali |
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2004
- 2004-08-04 ES ES200401944A patent/ES2224893B1/es not_active Expired - Fee Related
-
2005
- 2005-07-28 EP EP05786269A patent/EP1806235A1/en not_active Ceased
- 2005-07-28 WO PCT/ES2005/000429 patent/WO2006027398A1/es active Application Filing
- 2005-07-28 MX MX2007001373A patent/MX2007001373A/es active IP Right Grant
- 2005-07-28 DE DE05786269T patent/DE05786269T1/de active Pending
- 2005-07-28 US US11/659,140 patent/US20090056858A1/en not_active Abandoned
- 2005-07-28 BR BRPI0514088-9A patent/BRPI0514088A/pt not_active IP Right Cessation
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EP0540455A1 (en) | 1991-10-28 | 1993-05-05 | Palmira Gili Picoy | A process for preparing printed sheets with optical effects |
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EP0893223A1 (en) | 1996-10-14 | 1999-01-27 | Juan Grifoll Casanovas | Plant for obtaining sheets with optical effects |
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US20130075040A1 (en) * | 2007-09-24 | 2013-03-28 | Scodix, Ltd. | System For Cold Foil Relief Production |
Also Published As
Publication number | Publication date |
---|---|
US20090056858A1 (en) | 2009-03-05 |
DE05786269T1 (de) | 2008-09-25 |
ES2224893A1 (es) | 2005-03-01 |
MX2007001373A (es) | 2007-04-10 |
BRPI0514088A (pt) | 2008-06-03 |
ES2224893B1 (es) | 2005-12-16 |
EP1806235A1 (en) | 2007-07-11 |
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