WO2018146240A1 - Procede d'impression d'une piece transparente ou translucide et piece obtenue - Google Patents
Procede d'impression d'une piece transparente ou translucide et piece obtenue Download PDFInfo
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- WO2018146240A1 WO2018146240A1 PCT/EP2018/053251 EP2018053251W WO2018146240A1 WO 2018146240 A1 WO2018146240 A1 WO 2018146240A1 EP 2018053251 W EP2018053251 W EP 2018053251W WO 2018146240 A1 WO2018146240 A1 WO 2018146240A1
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- WIPO (PCT)
- Prior art keywords
- face
- printed
- support device
- printing
- substance
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
- B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
- B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
- B41J2/2114—Ejecting transparent or white coloured liquids, e.g. processing liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
- B41J2/2114—Ejecting transparent or white coloured liquids, e.g. processing liquids
- B41J2/2117—Ejecting white liquids
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/007—Digital printing on surfaces other than ordinary paper on glass, ceramic, tiles, concrete, stones, etc.
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
Definitions
- the present invention relates to the field of printing a transparent or translucent part and relates to a method of printing such a part, as well as a part obtained from this method.
- a method of manufacturing a luminous pattern surface element comprises a partially transparent apparent layer comprising a rear face on which is deposited an opaque coating layer and in which is engraved a pattern by laser ablation, and a visible face on which is formed a first foamed pattern by foaming the material.
- This method of manufacture has the disadvantage of being complex to implement, since a removal of material is required to achieve the various decorative patterns, and to depend on the material of the transparent layer.
- EP 2 239 238 A1 discloses a glass article decorated with a printed pattern. However, an acrylic resin adhesion layer interposed between the glass substrate and the printed pattern is necessary to ensure acceptable rendering.
- the object of the present invention is to propose a solution suitable for producing decorations on transparent or translucent parts making it possible to overcome the major limitations of the state of the art indicated above.
- the invention relates to a method for printing at least part of a wall of a transparent or translucent part and comprising at least one opposing first face and second face, characterized in that it comprises at least:
- a first printing step in which: the part is arranged on a support device so that at least one printing head forming part of the depositing means is arranged opposite the first face, then at least one substance is deposited by said at least one print head directly on the first face of the workpiece and the workpiece is moved simultaneously and in a controlled manner by the support device relative to the deposition means to form at least a first printed pattern,
- a second printing step in which: the piece is placed on a support device so that at least one printing head forming part of the depositing means is arranged opposite the second face, then at least one substance is deposited by said at least one print head directly on the second face of the workpiece and the workpiece is moved simultaneously and in a controlled manner by the support device relative to the deposition means to form at least a second printed pattern,
- the first printing step and the second printing step being spatially coordinated with one another so that the first printed pattern and the second printed pattern present on the first face and the second face respectively are mutually spatially adjusted to provide in one direction incidental observation pattern with respect to one of the first and second faces, a resultant composite pattern by superposition of the first printed pattern and the second printed pattern.
- the invention also relates to a translucent or transparent piece comprising at least one wall comprising at least a first face and a second opposite face, characterized in that the piece is obtained according to the printing method as described above, and in at least one first printed pattern is located directly on the first face, at least one second printed pattern is located directly on the second face and the first face and / or the second face comprises at least one unprinted area, to provide in a direction of incident observation with respect to one of the first and second faces, a resultant composite pattern by superposition of the first printed pattern and the second printed pattern.
- FIG. 1A is a schematic view of a part, a support device, deposition means and drying means for implementing the first printing step of the method according to the invention in the first variant; realization,
- FIG. 1B is a schematic view of a storage area, when implementing the first storage step of the method according to the invention in the first variant embodiment,
- FIG. 1C is a view of the part, of the support device, of the deposition means and of the drying means represented in FIG. 1A, during the implementation of the second printing step of the method according to the invention in FIG. the first embodiment variant,
- FIG. 1D is a schematic view of a storage area, when implementing the second storage step of the method according to the invention in the first variant embodiment,
- FIG. 2A is a schematic view of a part, of the first support device, of depositing means and of drying means, during the implementation of the first printing step of the method according to the invention in the second variant embodiment,
- FIG. 2B is a schematic view of the part, the first support device and the second support device, during the implementation of the transfer step of the method according to the invention in the second variant embodiment,
- FIG. 2C is a diagrammatic view of the part, the second support device, the deposition means and the drying means, during the implementation of the second printing step of the method according to the invention in the second variant; realization,
- FIG. 2D is a schematic view of a storage area during the implementation of the storage step of the method according to the invention in the second variant embodiment
- FIG. 3 is a view of a support device, a first print head and a second print head and drying means, during the implementation of the first printing step and of the second printing step of the method according to the invention in the third variant embodiment
- FIG. 4 is a sectional view of a part according to the invention in a first variant embodiment
- FIG. 5 is a sectional view of a part according to the invention in a second variant embodiment
- FIG. 6 is a sectional view of a part according to the invention in a third variant embodiment.
- Figure 7 is a sectional view of a part according to the invention in a fourth embodiment.
- the method for printing at least part of a wall of a transparent or translucent part 1 and comprising at least a first face 2 and a second face 3 opposite to each other is characterized in that that he understands at least:
- a first printing step in which: the part 1 is arranged on a support device 4, 4 ', 4 "so that at least one printing head 5, 5', 5" makes part of depositing means 6, 6 ', 6 "is arranged facing the first face 2, then at least one substance (not shown) is deposited by said at least one print head 5, 5', 5" directly on the first face 2 of the workpiece 1 and the workpiece 1 is moved simultaneously and in a controlled manner by the support device 4, 4 ', 4 "relative to the deposition means 6, 6', 6" to form at least one first printed pattern 7 (FIGS. 1A, 2A, 3),
- a second printing step in which: the part 1 is placed on a support device 4, 4 ', 4 "so that at least one printing head 5, 5', 5" makes part of depositing means 6, 6 ', 6 "is arranged opposite the second face 3, then at least one substance is deposited by said at least one printing head 5, 5', 5" directly on the second face 3 of the piece 1 and the piece 1 is moved simultaneously and in a controlled manner by the support device 4, 4 ', 4 "relative to the depositing means 6, 6', 6” to form at least a second printed pattern 8 (FIGS. 1C, 2C, 3), said support device 4, 4 ', 4 "and the depositing means 6, 6', 6” being relatively movable relative to each other in a controlled manner by a management and control unit (not shown) ,
- the first printing step and the second printing step being spatially coordinated with one another so that the first printed pattern 7 and the second printed pattern 8 respectively on the first face 2 and the second face 3 are mutually spatially adjusted for providing in a direction of incident observation with respect to one of the first and second faces 2, 3, a composite resultant pattern by superposition of the first printed pattern 7 and the second printed pattern 8 ( Figures 4 to 7).
- such a method makes it possible to decorate a transparent or translucent piece 1 at its first face 2 and its second face 3 by means of at least a first printed pattern 7 and at least a second printed pattern 8.
- the choice of decorating the part 1 by means of printing heads 5, 5 ', 5 "makes it possible to obtain first and second printed patterns 7, 8 which are free of shape and color. flexibility and high accuracy in the placement of the first and second printed patterns 7, 8.
- the resultant composite pattern obtained can form three-dimensional effects or depth effects based on both the transparency of the material and the first and second printed patterns. 7, 8.
- This method has the advantage of adapting to different types of material of part 1, since the nature of the substance can be chosen so that the substance hooks correctly to the first and second 2nd faces 2, 3 of the room 1.
- the deposition means 6, 6 ', 6 " can allow the projection of droplets of said at least one substance and be of the ink jet printing type
- this deposition technique has the advantage of being inexpensive, proven and well known to those skilled in the art.
- the deposition means 6, 6 ', 6 may comprise a single composite printing head 5, 5', 5" or an arrangement of several distinct printing heads, of the monochromatic, bi-chromatic or quadri-chromatic type, with integrated drying systems, type UV pinning.
- first and second printing steps can be performed by the coating method as described in the publication FR 3 033 506.
- first and second printed patterns 7, 8 are thus obtained in relief and which are textured (FIGS. 8A and 8B).
- this method of operation has the advantage of being based on an inexpensive deposit technique, proven and well known to those skilled in the art and has many other advantages, among which: great flexibility in terms of shape, profile , thickness, color of the decorative patterns and textures obtained, high resistance of the latter to scratches, abrasion and friction, and the possibility of providing different degrees of gloss / dullness.
- drying / crosslinking / more or less thorough polymerization is advantageously carried out, the degree of drying / crosslinking / polymerization depending for example on the nature of the substance deposited last and / or the rank of the layer 19, 19 ' considered.
- this coating method it may be provided that all the layers 19, 19 ' superimposed are formed exclusively of a first transparent substance with high adhesion and having high abrasion resistance and high hardness after solidification.
- This variant is appropriate when the color, the decorative pattern and the surface condition of the first and / or second apparent face 2, 3 of the piece 1 must be preserved and be visible.
- the droplets 18 deposited in a pattern or a deposition pattern determined at each layer 19 ' may be of the same size or at least two different sizes.
- Matification has also been found to be substantially proportional to the number of colored layers of the texture, making it possible to obtain controlled matt / glossy resulting effects.
- the first layer deposited on the latter may be a colored layer 19 or a functional layer 19 ' (transparent or not).
- the first layer deposited on the first face and / or the second face 2, 3 to be coated is a layer 19 'formed of droplets 18 of the first substance, preferably a substance providing adhesion or adhesion reinforced with the material of the first face and / or the second face 2, 3.
- this first layer 19 ' may be white in color or less clear, the other layers 19 'being themselves transparent.
- the last layer deposited, or topcoat is a layer 19 'formed of droplets 5 of the first or third substance, preferably varnish or transparent resin.
- the substance forming the latter layer is preferably of a type allowing the realization of a transparent protective coating, this substance being deposited, in terms of surface area and quantity, so as to encapsulate, in cooperation with the intermediate layers 19, set of previous layers 19, 19 '(at their slices), and therefore the formation considered.
- the intermediate functional layers 19 ' may advantageously protrude laterally with respect to the respectively underlying colored layers 19, so as to cover the lateral edges (slices) of the latter and thus form, together, a protective layer on the flanks of the projecting formations.
- the same substance for example of the transparent varnish type, can form the first layer 19 '(hooking), the intermediate functional layers 19' and the last layer 19 '(of protection).
- the first layer 19 ' may also consist of a specific layer of primer (for example white), different from the transparent intermediate layers 19' (interposed between the colored layers 19), the final coating layer (or encapsulation) being of the same nature as the layers 19 'intermediate or of different nature.
- a specific layer of primer for example white
- the transparent intermediate layers 19' interposed between the colored layers 19
- the final coating layer or encapsulation
- this coating process may consist of depositing each new layer 19, 19' before the previous layer 19, 19 'is completely crosslinked or solidified, especially when said layer previous still has a sticky effect on the surface, each layer being advantageously subjected immediately after deposition to an active and controlled phase of crosslinking or solidification before application of the next layer 19, 19 '. This step is optional.
- curing a cross-linking / core polymerization
- the method consists in depositing at least the first layer, preferably all the layers 19, of coloring substance (s) in the form of several populations of droplets 17, 17 'of different sizes or not, applied simultaneously or successively on the first face and / or the second face 2, 3 of the part 1 to be printed and arranged in at least two complementary frames, nested one inside the other and together forming the pattern of the layer 19 considered.
- the two populations of droplets 17 and 17 'forming a layer 19 have different sizes and are successively deposited on the previous layer 19'.
- the different droplets 17, 17 'of coloring substance (s) of the same layer 19 are substantially adjacent to each other, each population of droplets 17, 17 being arranged in a given frame, for example in mutually spaced or staggered lines, the frames of the two populations of the same layer 19 being complementary and the ratio of volumes between the droplets 17, 17 'of the two populations being between 2 and 5, preferably of the order of 3.
- this coating process may consist, for each layer 19 of substance (s) dye (s), to first drop the droplets 17 of small size (spaced apart), then proceed to a crosslinking or partial solidification thereof (freezing their shape) and then to drop the droplets 17 'large.
- the frames of small droplets 17 thus form a positioning mesh for holding the large droplets 17 'avoiding their displacement and their spreading, and keeping their shape until they are crosslinked.
- the addition of the frames makes it possible to substantially continuously cover the entire surface, with a redundant covering from two colored layers.
- the freezing of the droplets 17 can be achieved by UV (LED) drying and their complete crosslinking as well as that of the droplets 17 'is obtained by UV curing.
- the first layer 19 ' preferably all the layers 19', formed (s) of droplets 18 of the first substance of the type adhesion agent, attachment or coating, preferably transparent, according to the same procedure, particularly in terms of size and arrangement of the droplets 18, than the layers 19 of substance (s) dye (s).
- the technical features and characteristics in terms of different populations of droplets, their arrangement in the deposit pattern and their deposition chronology mentioned above in relation to droplets 17, 17 'of second substance can therefore also be applied to and checked by droplets 18 of the first substance.
- the layers 19 'of first substance of structuring nature, adherent and protective may possibly be formed only droplets 18 of the same size (with a provision peeled between layers 19' successive) .
- This coating process also makes it possible to create relief structures having variable section profiles, compatible with the structural cohesion requirements required.
- the various formations reported on the first face and / or the second face 2, 3 may have sections with lateral heights, lengths and angles of attack (with the first face and / or the second face 2 3) variables, it is preferable that the angle is less than about 30 °, preferably at most 20 °.
- the height of the formations may, in turn, in practice and depending on the number of layers 19, 19 'deposited, generally vary between a few tens of ⁇ and several hundreds of ⁇ .
- this coating method may consist in setting the contact angle of the droplets 17, 17 ', 18, the total number of superposed layers 19, 19' and / or the number of droplets 17, 17 ', 18 per unit beforehand. surface to achieve a desired height of structure or textured relief formation, the first face and / or the second face 2, 3 of the part 1 to be printed being advantageously subjected to a treatment in order to adjust its surface tension before the deposition of the first layer 19, 19 'of substance (s) dye (s) or first substance.
- Droplets 18 of second or third substance typically have a single size, for example a size identical to that of large droplets 17 'of colored substance.
- the large droplets 17 ' may for example have a volume of about 42 picoliters and small droplets 17 a volume of about 14 picoliters.
- the distance between the rows of droplets 17, 17 'of the same type may be of the order of approximately 140 ⁇ , for a printing density of 360 dpi.
- the formations comprising nine superimposed layers, have a height of about 120 ⁇ and an angle of contact with the first face and / or the second face 2, 3 of about 20 °.
- the information necessary to achieve the structured surface can be provided in different ways and come in different forms.
- the latter may consist in depositing all the droplets 17, 17 ', 18 of the different layers 19, 19' with a single composite printing head 5, 5 ', 5 or an arrangement of a plurality of distinct printing heads, comprising a plurality of ejection orifices calibrated and controlled according to the nature and amount of substance to be sprayed, said print head 5, 5 ', 5 " or said arrangement, on the one hand, and said first and / or second face 2, 3 to be printed, on the other hand, being displaceable relative to each other in at least two directions perpendicular to one another, where appropriate, three mutually perpendicular directions when said first and / or second face 2, 3 to be printed is non-planar, the ejection of droplets 17, 17 ', 18 and the relative displacements being for example controlled and controlled on the basis of information i ssues of digital print files.
- the first and second printing steps of the process according to the present invention can be followed respectively by a first drying step and a second drying step.
- said at least one substance of said at least one first printed pattern 7 is dried or crosslinked or polymerized by drying means 16, 16 ', 16 ".
- said at least one substance of said at least one second printed pattern 8 is dried or crosslinked or polymerized by drying means 16, 16 ', 16 ".
- Such drying means 16, 16 ', 16 " may be provided for drying or crosslinking or polymerizing the substance deposited by the deposition means 6, 6', 6".
- the drying means 16, 16 ', 16 " may consist of an ultraviolet lamp and may be mounted on a base 10, 10', 10" as described below.
- the part 1 can be supported by a single support device 4 (FIG. 1A). And during the second printing step, the part 1 can be supported by the single support device 4 ( Figure 1C). And during the first printing step, the substance can be deposited on the first face 2 by a single print head 5 mounted on a base 10 ( Figure 1A). Then successively during a first storage step, the piece 1 can be disconnected from the single support device 4 and can be stored at a storage area 9 ( Figure 1B). Then successively in the storage step and before the second printing step, the part 1 can be secured to the single support device 4. Then during the second printing step, the substance can be deposited on the second face 3 by the same single print head 5 ( Figure 1C).
- the single print head 5 can be replaced by a single arrangement of several separate print heads.
- the part 1 is supported by its second face 3 by the single support device 4.
- the part 1 is supported on the side of its first face 2 by the single support device 4.
- the part 1 can be stored at the storage area 9 ( Figure 1D).
- the part 1 can be supported by a first support device 4 '(FIG. 2A).
- the workpiece 1 can be supported by a second support device 4 "(FIG 2C) and during the first printing step, the substance can be deposited on the first face 2 by a first printing head 5 'mounted on a first base 10' ( Figure 2A), then successively, during a transfer step, the workpiece 1 can be secured to the second support device 4 "and then disconnected from the first device support 4 '( Figure 2B). Then during the second printing step, the substance can be deposited on the second face 3 by a second print head 5 "mounted on a second base 10" ( Figure 2C).
- this second variant of embodiment makes it possible to reduce the cycle time of the method compared to the first variant embodiment.
- the first and second embodiments of the invention are particularly suitable for decorating parts 1 having three-dimensional shapes.
- the part 1 is supported by its second face 3 by the first support device 4 '.
- the part 1 is supported by its first face 2 by the second support device 4 ".
- the part 1 can be stored at the storage area 9 ( Figure 2D).
- the piece 1 can be supported by a single support device 4, and the 1 may be arranged between a first print head 5 'mounted on a first base 10' and a second print head 5 "mounted on a second base 10", the second print head 5 'being distinct from the first printing head 5 "and arranged substantially opposite it and in the first printing step, the substance can be deposited on the first face 2 of the part 1 by the first printing head 5 ' And during the second printing step, the substance can be deposited on the second face 3 by the second printing head 5 ".
- the first base 10 'and the second base 10 can be mounted facing each other and spaced a distance greater than the thickness of the part 1 between the first face 2 and the second face 3.
- the part 1 is supported by the support device 4 by a third lateral face 11 different from the first face 2 and the second face 3.
- the part 1 is supported by the support device 4 by a face of Room 1 which is not intended to be decorated.
- the first printing step and the second printing step can be simultaneous.
- this third embodiment is faster than the first and second embodiments, since the first printing step and the second printing step can be simultaneous.
- the placement of printed patterns 7, 8 is very accurate and easier to develop.
- This third embodiment is particularly suitable for decorating pieces having flat shapes.
- the single support device 4 comprises a single robotic arm 12 and a gripping member 20.
- the gripping member 20 is mounted at the end of the robotic arm 12, the latter being further controlled by the management and control unit (FIGS. 1A, 1C, 3).
- the first support device 4 ' comprises a first robotic arm 12' and a gripping member 20 'and the second support device 4 "comprises a second robotic arm 12" and a gripping member 20
- Each gripping member 20 ', 20 is mounted at the end of the corresponding robotic arm 12', 12", each robotic arm 12 ', 12 "being further controlled by the management and control unit (FIGS. 2C).
- the robotic arm 12, 12 ', 12 "advantageously allows the relative displacement of the part 1 relative to the depositing means 6, 6', 6".
- the gripping member 20, 20 ', 20 "advantageously allows the gripping of the part 1 or supporting it.
- first and second robotic arms 12, 12 ', 12 are movable and carry via the gripping member 20, 20', 20" the piece 1 which is moved in front of the head (s) 5, 5 ', 5 "which are fixed.
- first and second robotic arms 12, 12 ', 12 may comprise six axes.
- the gripping member 20 may be a gripping hand.
- FIGS. 1A to 3 illustrate first, second and third embodiments of an installation according to the invention making it possible to implement the printing method according to the invention as described above.
- the installation comprises:
- the deposition means 6, 6', 6" may consist of effectors of jet printing means. ink.
- the support device 4, 4 ', 4 may comprise a robotic arm 12, 12', 12" and a gripping member 20, 20 ', 20 "as previously described.
- the installation according to the first variant embodiment, illustrated in FIGS. 1A to 1D, comprises a single support device 4 and a single arrangement of deposition means 6 comprising at least one printing head 5.
- the support device 4 is mobile relative to the depositing means 6 which remain fixed.
- the installation according to the second variant embodiment, illustrated in FIGS. 2A to 2D, comprises a first support device 4 and a second support device. It further comprises first deposition means 6 'comprising at least one printing head 5' and second deposition means 6 "comprising at least one printing head 5".
- the support devices 4 ', 4 are movable relatively and respectively with respect to the first and second deposition means 6', 6" which remain fixed.
- the installation according to the third embodiment, illustrated in Figure 3, comprises a single support device 4. It further comprises first deposition means 6 'comprising at least one printing head 5' and second means of deposit 6 "6 'comprising at least one print head 5". These depositing means 6 ', 6 "being arranged facing each other so that the printing heads 5', 5" are substantially facing one another.
- the installation may also include drying means 16, 16 ', 16 "as described above.
- the translucent or transparent piece 1 comprises at least one wall comprising at least a first face 2 and a second face 3 opposite to each other.
- Translucent or transparent piece 1 means a part 1 transmitting at least part of the light.
- the piece 1 is characterized in that the piece 1 is obtained according to the printing method as described above, and in that at least a first printed pattern 7 comprising at least one substance is located directly on the first face 2, at least one second printed pattern 8 comprising at least one substance is located directly on the second face 3 and the first face 2 and / or the second face 3 comprises at least one unprinted area 14, 14 ', for providing in an incident viewing direction with respect to one of the first and second faces 2, 3, a resultant composite pattern by superposition of the first printed pattern 7 and the second printed pattern 8.
- the unprinted zone 14, 14 ' acts as a window.
- an observer located in a viewing direction incident on the second face 3 can directly see at least one second printed pattern 8 and can see through the wall of the part 1, at least in part at least a first printed pattern 7 which is located below an unprinted area 14 'of the second face 3, since the part 1 is transparent or translucent ( Figures 4, 5, 6 and 7).
- an observer located in an incident direction of observation with respect to the first face 2 can see directly at least one first printed pattern 7 and can see through the wall of the part 1, at least a second printed pattern 8 which is located below the unprinted area 14 of the first face 2, since the part 1 is transparent or translucent ( Figures 4, 5 and 6).
- first face 2 and the second face 3 may be arranged in two distinct planes and substantially parallel to each other (FIGS. 4 to 7).
- the first printed pattern 7 and the second printed pattern 8 may be superimposed and offset relative to each other. And the first printed pattern 7 may coincide with a second unprinted area 14 'and the second printed pattern 8 may coincide with a first unprinted area 14' in an incident observation direction substantially orthogonal to one of the first and second faces 2, 3 ( Figure 4).
- an observer located substantially opposite the second face 3 can directly see the second printed pattern 8 and can see through the wall of the part 1, the first printed pattern 7 in its entirety which is located below a unprinted area 14 'of the second face 3, since the part 1 is transparent or translucent (Figure 4).
- an observer located substantially opposite the first face 2 can directly see the first printed pattern 7 and can see through the wall of the part 1, the second printed pattern 8 in its entirety which is located below the unprinted area 14 of the first face 2, since the part 1 is transparent or translucent (Figure 4).
- the first face 2 may comprise a plurality of first printed patterns 7 spaced apart from one another by a predetermined pitch forming a plurality of first non-contact areas.
- the second face 3 may comprise a plurality of second printed patterns 8 spaced from each other by a predetermined pitch forming a plurality of second unprinted areas 14 '.
- the first printed patterns 7 and the second non-printed areas 14 ' may coincide and the second printed patterns 8 and the first non-printed areas 14 may coincide in an incident direction substantially orthogonal to one of the first and second faces 2, 3.
- an observer located substantially opposite the second face 3 can directly see a plurality of second printed patterns 8 and can see through the wall of the part 1, a plurality of first printed patterns 7 in their entirety and which are each located below an unprinted area 14 'of the second face 3, since the part 1 is transparent or translucent (Figure 5).
- an observer located substantially opposite the first face 2 can directly see a plurality of first printed patterns 7 and can see through the wall of the part 1, a plurality of second printed patterns 8 in their entirety and which are each located below an unprinted area 14 of the second face 3, since the part 1 is transparent or translucent (Figure 5).
- the predetermined pitch which space the first printed patterns 7 may be substantially equal to the predetermined pitch which space the second printed patterns 8 ( Figure 5).
- the plurality of first printed patterns 7 may be the same.
- the plurality of second printed patterns 8 may be the same (Fig. 5).
- the first printed pattern 7 and the second printed pattern 8 may have identical geometric shapes. These first and second printed patterns 7, 8 may also have identical dimensions.
- the first face 2 may comprise a plurality of first printed patterns 7 spaced apart from one another by a predetermined pitch forming a plurality of first non-predetermined zones.
- the second face 3 may comprise a plurality of second printed patterns 8 spaced from each other by a predetermined pitch forming a plurality of second unprinted areas 14 '.
- the first printed pattern 7 and the second printed pattern 8 may have different geometric shapes.
- an observer located substantially opposite the second face 3 can directly see a plurality of second printed patterns 8 and can see through the wall of the part 1, a plurality of first printed patterns 7 in their entirety, since the piece 1 is transparent or translucent (FIG. 6) and a pair of adjacent first printed patterns 7 are located below an unprinted area 14 'of the second face 3.
- an observer located substantially opposite the first face 2 can directly see a plurality of first printed patterns 7 and can see through the wall of the workpiece 1, a plurality of second printed patterns 8 in their entirety and which are each located below an unprinted area 14 of the second face 3, since the part 1 is transparent or translucent (Figure 6).
- the first printed patterns 7 may all be identical.
- the second printed patterns 8 may all be identical.
- the size of the first printed patterns 7 may be smaller than the size of the second printed patterns 8.
- the predetermined pitch spacing the first printed patterns 7 may be less than the predetermined pitch spacing the second printed patterns 8 ( Figure 6).
- the first face may comprise a plurality of third printed patterns 7 'disposed between two adjacent first printed patterns 7 or between a first printed pattern 7 and a printed pattern 7. edge 15 of the part 1. And at least a part of the third printed patterns 7 'and second printed patterns 8 can be superimposed and may overlap at least partially in at least one overlap zone 13.
- a first face 2 completely covered with the first and third printed patterns 7, 7 ' is obtained, since the third printed pattern T fills the unprinted space between two first printed patterns 7 adjacent or between a first printed pattern 7 and an edge 15 of 1.
- an observer located substantially opposite the second face 3 can directly see a plurality of second printed patterns 8 and can see through the wall of the part 1, a plurality of first printed patterns 7 in their entirety and a plurality of third patterns 7 'excluding those of the overlap area, since the piece 1 is transparent or translucent (Fig. 7) and a pair of adjacent first printed patterns 7 and a third printed pattern 7' are located below an unprinted area 14 'of the second face 3.
- an observer located substantially opposite the first face 2 can directly see a plurality of first printed patterns 7 and a plurality of third printed patterns 7 ', but can not see through the wall of the workpiece 1 because the first face 2 is made opaque (Figure 7).
- the substance may be selected alone or in combination from an ink, a colored ink, an ultraviolet cross-linked ink, a varnish, a primer, an adhesion promoter, a tackifier, a coating agent.
- the use of different colored inks makes it possible to print the first, second and, where appropriate, the third printed patterns 7, 7 ', 8 in four-color process.
- the use of an ultraviolet crosslinking ink makes it possible to obtain first, second and, where appropriate, third printed patterns 7, 7 ', 8 that can be directly exposed to the open air.
- the use of a varnish makes it possible to provide a protective layer covering the first printed pattern 7 and / or the second printed pattern 8 and, where appropriate, the third printed pattern 7 '.
- the first printed pattern 7 and the second printed pattern 8 may respectively comprise a single layer of at least one substance.
- the printed patterns 7, 8 may comprise respectively one or more single layers of at least one surface and / or allow to generate a texture and / or relief.
- the piece 1 may be made of a material chosen from glass, a polymer, preferably polymethyl methacrylate or polystyrene or polycarbonate.
- the first face 2 and the second face 3 may be substantially flat and the thickness between the first face 2 and the second face 3 may be between 0.2 millimeters and 5 millimeters preferably between 2.5 millimeters and 3 millimeters.
- Part 1 according to the invention is particularly suitable for the automotive field and may consist of automotive glazing.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112019016566-5A BR112019016566A2 (pt) | 2017-02-09 | 2018-02-09 | Processo de impressão de uma peça tridimensional, transparente ou translúcida e peça obtida |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1751064A FR3062595B1 (fr) | 2017-02-09 | 2017-02-09 | Procede d'impression d'une piece transparente ou translucide et piece obtenue |
FR1751064 | 2017-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018146240A1 true WO2018146240A1 (fr) | 2018-08-16 |
Family
ID=59381337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2018/053251 WO2018146240A1 (fr) | 2017-02-09 | 2018-02-09 | Procede d'impression d'une piece transparente ou translucide et piece obtenue |
Country Status (3)
Country | Link |
---|---|
BR (1) | BR112019016566A2 (fr) |
FR (1) | FR3062595B1 (fr) |
WO (1) | WO2018146240A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3085619B1 (fr) * | 2018-09-10 | 2020-12-18 | Reydel Automotive Bv | Procede d'impression par jet d'encre d'un motif sur une surface en matiere plastique |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2184184A5 (fr) * | 1972-05-10 | 1973-12-21 | Desbonnet Richard | |
FR2239238A1 (fr) | 1973-07-30 | 1975-02-28 | Henkel & Cie Gmbh | |
FR2941649A1 (fr) * | 2009-02-03 | 2010-08-06 | Arjowiggins Security | Element de securite comportant deux motifs distincts superposes, document de securite le comportant et procedes associes. |
FR2966269A1 (fr) * | 2010-10-19 | 2012-04-20 | Securency Int Pty Ltd | Dispositif de securite |
FR2974767A1 (fr) | 2011-05-05 | 2012-11-09 | Visteon Global Tech Inc | Element decoratif surfacique a motif lumineux a projection tridimensionnelle et son procede de fabrication |
EP2679353A1 (fr) * | 2012-06-29 | 2014-01-01 | LIEBHERR-VERZAHNTECHNIK GmbH | Dispositif de manipulation automatisée de pièces |
US20150056419A1 (en) * | 2013-08-23 | 2015-02-26 | Xerox Corporation | System And Method For Lenticular Image Printing And Print Media |
FR3033506A1 (fr) | 2015-03-11 | 2016-09-16 | Reydel Automotive Bv | Procede et installation de revetement d'un corps avec formation d'une surface structuree |
-
2017
- 2017-02-09 FR FR1751064A patent/FR3062595B1/fr active Active
-
2018
- 2018-02-09 WO PCT/EP2018/053251 patent/WO2018146240A1/fr active Application Filing
- 2018-02-09 BR BR112019016566-5A patent/BR112019016566A2/pt not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2184184A5 (fr) * | 1972-05-10 | 1973-12-21 | Desbonnet Richard | |
FR2239238A1 (fr) | 1973-07-30 | 1975-02-28 | Henkel & Cie Gmbh | |
FR2941649A1 (fr) * | 2009-02-03 | 2010-08-06 | Arjowiggins Security | Element de securite comportant deux motifs distincts superposes, document de securite le comportant et procedes associes. |
FR2966269A1 (fr) * | 2010-10-19 | 2012-04-20 | Securency Int Pty Ltd | Dispositif de securite |
FR2974767A1 (fr) | 2011-05-05 | 2012-11-09 | Visteon Global Tech Inc | Element decoratif surfacique a motif lumineux a projection tridimensionnelle et son procede de fabrication |
EP2679353A1 (fr) * | 2012-06-29 | 2014-01-01 | LIEBHERR-VERZAHNTECHNIK GmbH | Dispositif de manipulation automatisée de pièces |
US20150056419A1 (en) * | 2013-08-23 | 2015-02-26 | Xerox Corporation | System And Method For Lenticular Image Printing And Print Media |
FR3033506A1 (fr) | 2015-03-11 | 2016-09-16 | Reydel Automotive Bv | Procede et installation de revetement d'un corps avec formation d'une surface structuree |
Also Published As
Publication number | Publication date |
---|---|
BR112019016566A2 (pt) | 2020-03-31 |
FR3062595B1 (fr) | 2020-05-22 |
FR3062595A1 (fr) | 2018-08-10 |
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