WO2014009306A1 - Method for producing magnetically induced patterns in a layer deposited on a glass sheet - Google Patents
Method for producing magnetically induced patterns in a layer deposited on a glass sheet Download PDFInfo
- Publication number
- WO2014009306A1 WO2014009306A1 PCT/EP2013/064356 EP2013064356W WO2014009306A1 WO 2014009306 A1 WO2014009306 A1 WO 2014009306A1 EP 2013064356 W EP2013064356 W EP 2013064356W WO 2014009306 A1 WO2014009306 A1 WO 2014009306A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass sheet
- liquid composition
- layer
- conveyor
- roll
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
Definitions
- the present invention relates to a method for producing patterns producing an illusion of relief, or a three-dimensional illusion, or an illusion of thickness, in a layer deposited on a glass sheet.
- the present invention relates to a method for producing magnetically induced patterns in a layer deposited on a glass sheet.
- the method of the invention has particular applications in the field of decoration because the glass sheets that can be manufactured can have decorative patterns.
- the magnetization / magnetic induction m od e varies from one to the other.
- patterns are created in a layer (of acrylic paint, for example) comprising magnetizable pigments and deposited on a substrate (an aluminum plate, for example), interposing between the magnets (generating the magnetic field). and the substrate covered with a steel sheet in which said patterns are cut.
- This technique using the mask principle to selectively apply the magnetic field, however, has many disadvantages.
- the existence of this steel mask does not allow the use of this method for large substrate surface and also does not allow its integration in line (in a production line, for example) nor a good reproducibility motifs.
- the object of the invention is notably to overcome these disadvantages of the prior art.
- an object of the invention is to provide a method for producing magnetically induced patterns in a layer deposited on a glass sheet, which can be used for large glass sheet surfaces and allowing good reproducibility of the patterns.
- Another object of the invention in at least one of its embodiments, is to provide a method for producing magnetically induced patterns in a layer deposited on a glass sheet, which can be implemented online.
- an object of the invention is to provide a method for producing magnetically induced patterns in a layer deposited on a glass sheet, which can be easily and quickly implemented in an existing production line of painted glass sheets. and which also allows, once used in said production line, to return to the initial production line quickly and easily.
- the invention in at least one of its embodiments, also aims to provide a method for producing magnetically induced patterns in a layer deposited on a glass sheet, which is fast, economical and with a minimum of 'steps.
- the invention relates to a method for producing magnetically induced patterns in a layer deposited on a glass sheet, said method comprising the following successive steps:
- step 1) depositing as a layer a liquid composition on at least a portion of one side of the glass sheet, said composition comprising magnetically steerable particles; 2) selectively exposing to a magnetic field the glass sheet having the layer of liquid composition while said glass sheet scrolls on a horizontal roller conveyor, in a direction perpendicular to the largest dimension of said rollers, the liquid composition being on the opposite side to that resting on the conveyor; and 3) curing the liquid composition; the step 2) of selective exposure to a magnetic field being carried out by means of at least one roller of said conveyor comprising at least one permanent magnetization material element integrated in its surface, so as to produce magnetic field lines in a neighborhood of the leaf scrolling on the conveyor.
- the invention is based on a new and inventive approach because it solves the disadvantages of the aforementioned prior art and solve the technical problem.
- the inventors have indeed demonstrated that it is possible, through a modification of a roller of a conveyor within an existing production line of painted glass sheets, to obtain a method for producing one or a plurality of patterns magnetically induced in a layer deposited on a glass sheet, which can be applied to large areas of glass, which is reproducible and can be easily and easily implemented online and with a minimum of steps (in particular only one layer is needed).
- FIG. 1 schematically shows the steps of the method of the invention
- FIG. 2 schematically illustrates the step of selective exposure to a magnetic field of the glass sheet comprising the layer of liquid composition according to the invention (sectional view)
- FIG. 3 schematically illustrates the step of selective exposure to a magnetic field of the glass sheet comprising the layer of liquid composition according to the invention and moving on a roll conveyor (seen from above);
- FIG. 4 schematically shows examples of arrangements of magnetically induced patterns in a layer deposited on a glass sheet that can be obtained by the method of the invention;
- Fig. 5 shows (a) a diagram of the modified roll according to the invention and (b) a cross section in the length of said roll.
- the sheet used in the method according to the invention is made of glass that can belong to various categories.
- the glass may thus be a soda-lime type glass, a boron glass, a lead glass, a glass comprising one or more additives homogeneously distributed in its mass, such as, for example, at least one inorganic dye, an oxidizing compound, a viscosity regulating agent and / or a melt facilitating agent.
- the glass of the invention may be a float glass, a drawn glass or a cast type glass (rolled between rolls). It can be clear, extra-clear, or colored in the mass.
- the glass sheet may be tempered thermally or chemically. According to a preferred embodiment, the glass sheet is a float glass sheet.
- the glass sheet is a soda-lime float glass sheet.
- the glass sheet may have a thickness varying between 0.7 and 18 mm.
- the glass sheet may also have dimensions greater than 1 mx 1 m. It can, for example, have dimensions of 3.21 mx 6 m or 3.21 mx 5.50 m or 3.21 mx 5.10 m or 3.21 mx 4.50 m (sheet of glass called "PLF”) or, for example , 3.21 mx 2.55 m or 3.21 mx 2.25 m (glass sheet called "DLF").
- the method of the invention comprises a layer-forming step (1) of a liquid composition on at least a portion of the face of the glass sheet opposite to that resting on the conveyor.
- the liquid composition may be deposited in the form of a layer by any means.
- the liquid composition according to the invention may, for example, be deposited on the glass sheet by curtain coater, roller coater or spray coating.
- the glass sheet, during step (1) can be immobile or alternatively, be in motion, that is to say, scroll either on a conveyor which will then extend to step (2) or on a carpet.
- the liquid composition is deposited by curtain coating, because this deposition technique allows to apply at high speed (for example, 50 meters per minute) a liquid layer on a moving plane substrate.
- the glass sheet preferably scrolls on two mats, the curtain of liquid composition spilling between them.
- the weight of liquid composition (thus just after step (2) but before step 3 of curing) per unit area of the glass sheet is preferably at least 50 g / m 2 .
- the weight of liquid composition per unit area is also preferably at most 180 g / m 2 .
- the weight of liquid composition per unit area is 80 g / m 2 to 120 g / m 2 .
- the layer of liquid composition is deposited on at least a portion of one of the faces of the glass sheet.
- the layer of liquid composition is deposited on almost the entire surface of one of the faces of the glass sheet. Almost all of the surface means at least 90% of the area.
- the liquid composition comprises magnetically steerable particles.
- Magnetically orientable particles behave like miniature magnets. When placed in a magnetic field, such particles tend to orient themselves in the applied field so that their magnetic axis aligns with magnetic field lines of force.
- the magnetically steerable particles may be of the type described in particular in US 3,676,273; US 4,838,648; WO 02/073250; EP 686,675 A1 or WO 2007/131833.
- the magnetically steerable particles according to the invention are based on iron.
- the magnetically orientable particles can be flattened or in the form of petals ("flakes").
- the amount of magnetically steerable particles in the liquid composition (before curing) is preferably between 20 and 80% by weight of said liquid composition. Most preferably, the liquid composition comprises between 30 and 70% by weight of magnetically steerable particles.
- the liquid composition comprises a liquid medium in which the magnetically orientable particles are in suspension.
- the liquid composition according to the invention may be a paint, a lacquer, a varnish, an enamel or an ink.
- the liquid composition according to the invention comprises at least one component chosen from acrylates, acrylics, acrylic resins, polyacrylate resins, urethanes, polyurethanes, polyamides, polyols, melamine resins, polycarbonates, polyesters, polyolefins and polyamides. , amino resins, epoxy resins, phenolic resins, silicone resins, PVC and PVB.
- the liquid composition according to the invention comprises at least one component selected from acrylates, acrylics, acrylic resins, polyacrylate resins and melamine resins.
- the liquid composition according to the invention comprises at least one component chosen from methacrylic resins, melamine-formaldehyde resins and epoxy resins.
- the liquid composition may also advantageously comprise other components such as a curing agent, one or more solvents, a plasticizer, a dispersing agent, a catalyst, a photoinitiator, an adhesion promoter, a anti-UV agent, non-magnetic pigments, dyes, a fluxing agent, a wetting agent, an anti-foaming agent, etc.
- a curing agent such as one or more solvents, a plasticizer, a dispersing agent, a catalyst, a photoinitiator, an adhesion promoter, a anti-UV agent, non-magnetic pigments, dyes, a fluxing agent, a wetting agent, an anti-foaming agent, etc.
- the method according to the invention comprises a step (2) of selective exposure of the glass sheet comprising the liquid composition layer to a magnetic field.
- the glass sheet runs on a horizontal roller conveyor at least during the selective exposure step (2), in a direction perpendicular to the largest dimension of said rollers, the liquid composition being on the opposite side to that resting on the conveyor.
- the roller conveyor according to the invention is a conventional roller conveyor, typically used in glass sheet production lines. It generally comprises a plurality of rollers positioned parallel to each other in length and substantially at the same height, spaced apart by a distance allowing the glass sheet to rest on at least two rollers. Each roll may also advantageously have a plurality of "O-rings", i.e., rubber seals on the circumference of the roll section, avoiding direct contact of the glass and the roll material.
- the speed of travel of the glass sheet on the conveyor preferably varies between 1 and 15 meters per minute. Most preferably, the speed of travel of the glass sheet on the conveyor preferably varies between 2 and 10 meters per minute.
- the selective exposure step (2) is carried out by means of at least one roller of the conveyor, this roller comprising at least one permanent magnetization material element integrated in its surface, also called “modified roller In the rest of this text.
- the modified roll is made of a cylindrical body of non-magnetic material.
- the cylindrical body of the roll is made of non-magnetic steel or aluminum.
- the permanent magnetizing material elements also called permanent magnets in the following text, may be chosen from ferrite or ceramic type magnets, Alnico (Aluminum-Nickel-Cobalt) type magnets, magnets of the Samarium-Cobalt type or the magnets of the Neodymium-Iron-Bore type.
- the permanent magnetization material element integrated in the surface of a conveyor roll
- the magnets can be positioned in the cylindrical body of the modified roller by means of small cavities present in this cylindrical body.
- the "depth" of the magnet in its cavity can be adapted to modify the distance between the magnet and the layer deposited on the glass sheet, which allows to slightly modify the optical rendering of the magnetically induced pattern when the glass thickness remains constant or to keep an identical optical rendering when thicker glass sheets are passed over the conveyor.
- the modified conveyor roll may comprise a single permanent magnet.
- the modified conveyor roll comprises several permanent magnets.
- the permanent magnets may be identical in terms of shape, size and strength.
- the permanent magnets can be different in terms of shape, size and / or strength.
- the shape and size of the permanent magnets according to the invention will respectively determine the shape and size of the pattern induced in the layer by each of these elements and therefore the appearance of the overall pattern.
- the strength of the permanent magnets according to the invention will determine the optical / aesthetic rendering of the magnetically induced pattern. A stronger magnet will give a stronger pattern, with a deeper impression of depth, sometimes darker as well.
- the permanent magnets can be placed at identical distances from the glass sheet and therefore from the layer or, alternatively, at different distances, by varying the "depth" of the magnets integrated into the surface of the glass. modified roll.
- the modified roll comprising at least one integrated magnet in its surface, makes it possible to produce magnetic field lines in a vicinity of the sheet traveling on the conveyor.
- exposure to the magnetic field lines is very efficient because the glass sheet and therefore the layer is exposed to the magnetic field for a sufficient time, even in case of high speed of scrolling of the glass sheet on the conveyor required generally by an online process.
- FIG. 2 sectional view parallel to the running direction of the glass sheet
- This figure shows, in (a), the approach movement of one of the magnets of the roll towards the glass sheet, already generating field lines in the vicinity of the sheet, in (b) the position of said magnet vis-a-vis to the glass sheet generating the maximum magnetization, and in (c), the movement away from the magnet, further generating field lines in the vicinity of the sheet.
- the modified roll may comprise one or more "discrete” and / or “continuous" magnets.
- discrete magnet means a magnet whose dimensions are significantly smaller than the dimensions of the modified roll (length and circumference of its section).
- the pattern it induces is then repeated in the layer evenly in the moving direction of the sheet, with spacing corresponding to the circumference of the section of the modified roll.
- the roll has more than one permanent magnet aligned in the circumference of a section of the roll and spaced evenly, the induced pattern is then repeated in the direction of travel of the sheet, with a spacing corresponding to the circumference of the section of the modified roller divided by the number of magnets present on this circumference.
- Figure 3 illustrates the process of step (2) according to the invention. In FIG.
- the glass sheet (8) covered by a layer of co-polymers is connected with the magnetically displaceable article in the direction of the arrows on a conveyor.
- roller (9) and approach of a modified roller (10) according to the invention comprising four permanent magnets (11) integrated in its surface and aligned in its length.
- magnetically induced patterns (12) are created in the liquid composition layer in the form of lines of four patterns spaced a distance corresponding to the circumference of the section of the roll.
- FIGS. 4 (a) to (d) schematically show examples of arrangements of magnetically induced patterns in a layer deposited on a glass sheet according to the invention by virtue of discrete magnets integrated into a conveyor roll.
- Continuous magnet means a continuous magnet on one of the dimensions (length and circumference) of the roll, ie (i) in the length of the roll, thus creating repetitive lines perpendicular to the displacement of the sheet and spaced a distance apart. equal to the roll circumference (see Figure 4 (e)), (ii) in the circumference of the roll section, thereby creating a line parallel to the displacement of the sheet of varying thickness as a function of the thickness of the roll. the magnet continues in the circumference.
- Several continuous magnets, in length and / or circumference (see Figure 4 (f)) of the modified roller may be present. If several continuous and circumferential magnets are present on the modified roll, then it is possible to create a general pattern corresponding to a grid.
- the conveyor may comprise several modified, identical or different rollers. This embodiment is of course compatible for each roll, with all the embodiments described above corresponding to the modified roll.
- the method according to the invention comprises a step (3) of hardening of the liquid composition.
- This step makes it possible to go from a liquid, wet layer to a hard, dry layer. It therefore makes it possible to freeze the oriented particles and thus to fix the patterns created in the layer by the selective magnetization step.
- the curing step according to the invention can be carried out by drying the composition (for example, evaporation of solvents) and / or by crosslinking.
- Crosslinking is understood to mean a step which involves chemical polymerization reactions and the formation of a three-dimensional polymeric network.
- the curing by crosslinking according to this embodiment can be achieved by heating (typically at temperatures of the order of 100 to 200 ° C) and / or by exposure to radiation (eg, UV or infra-red).
- the liquid composition advantageously comprises a hardener / catalyst.
- the thickness of the layer according to the invention, once cured in step 3, is at least 5 microns and at most 150 microns.
- the thickness of the layer according to the invention, once cured in step 3, is at least 20 microns and at most 120 microns.
- the method of the invention comprises an additional step of treating the glass sheet with an adhesion primer before the deposition (1) of the liquid composition layer.
- This primary adhesion may be deposited by any as known in the art.
- the adhesion primer allows better adhesion of the layer once cured on the glass.
- Silane is a compound commonly used for such treatment.
- the layer according to the invention is in direct contact with the glass, that is to say that no other layer is present between the glass and the layer comprising the magnetically orientable particles.
- Treatment with a silane adhesion primer is not another layer within the meaning of this embodiment. Therefore, this embodiment is not incompatible with silane treatment.
- the method of the invention comprises an additional step of cleaning the glass sheet, before the deposition of the liquid composition layer and at least the face intended to receive the liquid composition.
- This cleaning can be carried out, for example, with water or an aqueous solution containing a detergent.
- the method of the invention comprises an additional step of polishing the glass sheet with a polishing agent, before the deposition (1) of the layer of liquid composition and the less on the face intended to receive the liquid composition.
- a polishing agent that can be used is a powder comprising cerium oxide, CeO 2 .
- the method of the invention comprises an additional step after the curing step (3), corresponding to the deposition of at least one additional layer, then covering the cured layer.
- This may be, for example, a mechanical protection layer, an anti-reflection layer, an anti-fingerprint layer, etc.
- the following examples illustrate the invention, without intention to limit in any way its coverage.
- a clear glass sheet of 3.21 mx 2.25 m (DLF) and a thickness of 4 mm was placed on a roller conveyor. On its way on the conveyor, it was first polished with a powder comprising cerium oxide to clean its surface. She then underwent silane treatment.
- the applied liquid composition is a paint light gray comprising a Glassorex clearcoat (from Fenzi company) based on resins of the methacrylate melamine-formaldehyde and epoxy and comprising 50% by weight of pigments FERRICON ® 160 from the company Eckart.
- the amount of liquid composition applied to the glass sheet is 100 g / m 2 .
- the glass sheet was braked to a substantially constant speed of the order of 4 meters per minute and at that moment it passed over a roll of the modified conveyor according to the invention.
- the aluminum roll had been modified by the incorporation into its surface (the outer surface of the magnets arriving slightly below the surface of the roll) of 216 magnets distributed in its length (54 equidistant magnets of 5 cm in a row) and along its circumference (each time 4 magnets, at 90 ° from each other).
- the modified roll used is shown schematically in Fig. 5 (a) and a section of this roll in length is shown schematically in Fig. 5 (b).
- Each of the magnets (13) is a Neodymium-Iron-Bore magnet (Supermagnete S-05-25-N), of cylindrical shape whose circular section has a diameter of 5 mm and whose length and 25 mm. Each magnet has been positioned in the roll, in cavities (14), so that its length is perpendicular to the length of the roll and one of its circular ends is positioned out of the surface of the roll, slightly above this surface but below the outer surface of the O-rings (15) used.
- Supermagnete S-05-25-N Neodymium-Iron-Bore magnet
- the glass sheet has thus been selectively exposed to a field creating in the liquid composition patterns of three-dimensional appearance, darker color, repetitive and circular shape.
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- Application Of Or Painting With Fluid Materials (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13737193.6A EP2872342A1 (en) | 2012-07-10 | 2013-07-08 | Method for producing magnetically induced patterns in a layer deposited on a glass sheet |
US14/413,482 US20150217594A1 (en) | 2012-07-10 | 2013-07-08 | Method for producing magnetically induced patterns in a layer deposited on a glass sheet |
JP2015520941A JP2015529613A (en) | 2012-07-10 | 2013-07-08 | Method for forming a magnetically induced pattern in a layer deposited on a glass sheet |
SG11201500064SA SG11201500064SA (en) | 2012-07-10 | 2013-07-08 | Method for producing magnetically induced patterns in a layer deposited on a glass sheet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE201200482A BE1020786A3 (en) | 2012-07-10 | 2012-07-10 | METHOD FOR PRODUCING MAGNETICALLY INDUCED PATTERNS IN A LAYER DEPOSITED ON A GLASS SHEET |
BEBE2012/0482 | 2012-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014009306A1 true WO2014009306A1 (en) | 2014-01-16 |
Family
ID=48793209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/064356 WO2014009306A1 (en) | 2012-07-10 | 2013-07-08 | Method for producing magnetically induced patterns in a layer deposited on a glass sheet |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2872342A1 (en) |
JP (1) | JP2015529613A (en) |
BE (1) | BE1020786A3 (en) |
SG (1) | SG11201500064SA (en) |
WO (1) | WO2014009306A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103935178A (en) * | 2014-04-02 | 2014-07-23 | 蚌埠翼诚玻璃有限公司 | Glass surface pattern ink-absorbing and forming device |
WO2017162954A1 (en) | 2016-03-24 | 2017-09-28 | Saint-Gobain Glass France | Process for manufacturing painted or lacquered glass |
WO2018060618A1 (en) | 2016-09-29 | 2018-04-05 | Saint-Gobain Glass France | Method for the production of painted or lacquered glass |
Citations (10)
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DE2010831A1 (en) * | 1970-03-07 | 1971-09-23 | Magnetfab Bonn Gmbh | Magnetic generation of patterns on surface layers |
BE774930A (en) | 1970-11-07 | 1972-03-01 | Magnetfab Bonn Gmbh | PROCESS FOR THE PRODUCTION OF PATTERNS IN SURFACE LAYERS, USING MAGNETIC FIELDS |
US3676273A (en) | 1970-07-30 | 1972-07-11 | Du Pont | Films containing superimposed curved configurations of magnetically orientated pigment |
US4838648A (en) | 1988-05-03 | 1989-06-13 | Optical Coating Laboratory, Inc. | Thin film structure having magnetic and color shifting properties |
EP0686675A1 (en) | 1994-06-01 | 1995-12-13 | BASF Aktiengesellschaft | Magnetisable brilliant metallic pigments bearing multiple coatings |
WO2002073250A2 (en) | 2001-03-09 | 2002-09-19 | Sicpa Holding S.A. | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device |
WO2002090002A2 (en) * | 2001-05-07 | 2002-11-14 | Flex Products, Inc. | Methods for producing imaged coated articles by using magnetic pigments |
WO2007107549A1 (en) * | 2006-03-21 | 2007-09-27 | Akzo Nobel Coatings International B.V. | Method of applying a pattern to a substrate |
WO2007131833A1 (en) | 2006-05-12 | 2007-11-22 | Sicpa Holding S.A. | Coating composition for producing magnetically induced images |
US20100304054A1 (en) * | 2009-05-29 | 2010-12-02 | Adarsh Sandhu | Method of forming and visualizing latent image |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040001973A1 (en) * | 2002-06-28 | 2004-01-01 | Xinhao Gao | UV/EB cured integrated magnets-composition and method of fabrication |
US7934451B2 (en) * | 2002-07-15 | 2011-05-03 | Jds Uniphase Corporation | Apparatus for orienting magnetic flakes |
-
2012
- 2012-07-10 BE BE201200482A patent/BE1020786A3/en not_active IP Right Cessation
-
2013
- 2013-07-08 SG SG11201500064SA patent/SG11201500064SA/en unknown
- 2013-07-08 WO PCT/EP2013/064356 patent/WO2014009306A1/en active Application Filing
- 2013-07-08 JP JP2015520941A patent/JP2015529613A/en active Pending
- 2013-07-08 EP EP13737193.6A patent/EP2872342A1/en not_active Withdrawn
Patent Citations (10)
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DE2010831A1 (en) * | 1970-03-07 | 1971-09-23 | Magnetfab Bonn Gmbh | Magnetic generation of patterns on surface layers |
US3676273A (en) | 1970-07-30 | 1972-07-11 | Du Pont | Films containing superimposed curved configurations of magnetically orientated pigment |
BE774930A (en) | 1970-11-07 | 1972-03-01 | Magnetfab Bonn Gmbh | PROCESS FOR THE PRODUCTION OF PATTERNS IN SURFACE LAYERS, USING MAGNETIC FIELDS |
US4838648A (en) | 1988-05-03 | 1989-06-13 | Optical Coating Laboratory, Inc. | Thin film structure having magnetic and color shifting properties |
EP0686675A1 (en) | 1994-06-01 | 1995-12-13 | BASF Aktiengesellschaft | Magnetisable brilliant metallic pigments bearing multiple coatings |
WO2002073250A2 (en) | 2001-03-09 | 2002-09-19 | Sicpa Holding S.A. | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device |
WO2002090002A2 (en) * | 2001-05-07 | 2002-11-14 | Flex Products, Inc. | Methods for producing imaged coated articles by using magnetic pigments |
WO2007107549A1 (en) * | 2006-03-21 | 2007-09-27 | Akzo Nobel Coatings International B.V. | Method of applying a pattern to a substrate |
WO2007131833A1 (en) | 2006-05-12 | 2007-11-22 | Sicpa Holding S.A. | Coating composition for producing magnetically induced images |
US20100304054A1 (en) * | 2009-05-29 | 2010-12-02 | Adarsh Sandhu | Method of forming and visualizing latent image |
Non-Patent Citations (1)
Title |
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See also references of EP2872342A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103935178A (en) * | 2014-04-02 | 2014-07-23 | 蚌埠翼诚玻璃有限公司 | Glass surface pattern ink-absorbing and forming device |
WO2017162954A1 (en) | 2016-03-24 | 2017-09-28 | Saint-Gobain Glass France | Process for manufacturing painted or lacquered glass |
FR3049200A1 (en) * | 2016-03-24 | 2017-09-29 | Saint Gobain | PROCESS FOR PRODUCING PAINTED GLASS OR LACQUER |
WO2018060618A1 (en) | 2016-09-29 | 2018-04-05 | Saint-Gobain Glass France | Method for the production of painted or lacquered glass |
Also Published As
Publication number | Publication date |
---|---|
EP2872342A1 (en) | 2015-05-20 |
BE1020786A3 (en) | 2014-05-06 |
JP2015529613A (en) | 2015-10-08 |
SG11201500064SA (en) | 2015-03-30 |
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