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WO2015092017A1 - Procédé d'impression d'une structure tridimensionnelle et appareil à cet effet - Google Patents

Procédé d'impression d'une structure tridimensionnelle et appareil à cet effet Download PDF

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Publication number
WO2015092017A1
WO2015092017A1 PCT/EP2014/078863 EP2014078863W WO2015092017A1 WO 2015092017 A1 WO2015092017 A1 WO 2015092017A1 EP 2014078863 W EP2014078863 W EP 2014078863W WO 2015092017 A1 WO2015092017 A1 WO 2015092017A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing material
state
printing
substrate
dimensional structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2014/078863
Other languages
English (en)
Inventor
Richard Van de Vrie
Joris BISKOP
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luxexcel Holding BV
Original Assignee
Luxexcel Holding BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luxexcel Holding BV filed Critical Luxexcel Holding BV
Priority to EP14816270.4A priority Critical patent/EP3083197A1/fr
Publication of WO2015092017A1 publication Critical patent/WO2015092017A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds

Definitions

  • the present invention relates to a device for printing three-dimensional structures, wherein droplets of printing material are deposited onto a substrate.
  • Such devices comprise usually a printing head that ejects or jets droplets, wherein the printing head scans the substrate several times in order to build up the three-dimensional structure layer by layer.
  • the object is solved by a method for printing a three dimensional structure, wherein a first printing material being in a first state is deposited onto a substrate in a first step, wherein the first printing material is at least partially transformable in a reversible manner between being in the first state and being in a second state by use of a transformation means, wherein the deposited first printing material is transformed from being in the first state to being in the second state by the transformation means in a second step. It is herewith advantageously possible to realize a three-dimensional structure made from a first printing material, wherein the first printing material is at least partially transformable between being in the first state and being in the second state in a reversible manner.
  • the transformation means substantially decides whether the first printing material is in the first state or in the second state.
  • the three-dimensional structure is printed and as soon as an improvement is necessary a part of the first printing material being in the second state is retransformed to the first printing material being in the first state.
  • the first printing material being in the first state may be removed or newly deposited.
  • the surface of the three-dimensional structure may be transformed and retransformed several times in order to improve, in particular to smooth, the surface structure of the three-dimensional structure.
  • the transformation means manipulates a physical property of the first printing material such as the temperature and the first printing material is transformed from being liquid (first state) to being solid (second state).
  • the first printing material comprises water that is transformed from liquid to ice in order to realize a three- dimensional ice structure.
  • the transformation means is configured such that a first temperature of the first printing material is set for transforming the first printing material from being in the first state to being in the second state, wherein the first temperature is below a melting temperature of the first printing material.
  • the first temperature is set as below as possible in order to start the transformation of the first printing material from being in the first state to being in the second state immediately after the first printing material is deposited. Furthermore it is provided that a second temperature of the first printing material is set for transforming the first printing material from being in the second state to being in the first state, wherein the first
  • first printing material is above a melting temperature of the first printing material. It is also thinkable that a first printing material different from water is used. In particular it is conceivable that a plurality of different first printing materials are deposited onto the substrate forming
  • each layer comprises at least one of the first printing materials included in the plurality of different first printing materials.
  • the first printing means is deposited by ejecting or jetting the first printing material onto the substrate by means of a first printing means, in particular a first printing head having a nozzle.
  • a second printing material being in a third state is deposited onto the substrate in a third step and wherein the second printing material is transformed from being in the third state to being in a fourth state by a curing means in a fourth step, wherein the three-dimensional structure is substantially formed by the second printing material.
  • the second printing material being in the fourth state is solid.
  • the second printing material is an optical material, i.e. a mainly transparent material that may be used for realizing optical elements such as a prism, lens or the like. It is provided that the second printing material is mainly independent on the transforming means. As a consequence the three-dimensional structure made from the second printing can be separated from the transformation means and therefore the three-dimensional structure retains its form advantageously, even though the first printing material is retransformed from being in the second state to being in the first state.
  • the first and the third step are substantially performed simultaneously and/or the second and the fourth step are substantially performed simultaneously.
  • the whole printing process is accelerated advantageously.
  • the first printing material being in the first state and the second printing material being in the third state are chosen such that an interface between the first printing material and the second printing material is generated after depositing.
  • the body is formed such that the second printing material deposited and transformed/cured onto the body realizes a three-dimensional structure having a complicated structured.
  • the body represents a removable mold for realizing the three-dimensional structure made from the second printing material.
  • the three-dimensional structure may be at least partially formed as a cavity, a kerning or a undercutting for example.
  • the first printing material being in the first state and/or the second printing material being in the third state is configured as a liquid and/or
  • the first printing material being in the second state and/or the second printing material being in the fourth state is configured as a solid. According to another embodiment of the present invention it is provided that
  • the first curing means is a cooling means, wherein the substrate is cooled by the cooling means during at least a period of the second step and/or
  • the second curing means is a light source, wherein the deposited second printing material is illuminated during at least a further period of the fourth step
  • the first printing material is at least partially retransformed from being in the second state to being in the first state by illuminating the first printing material using a further light source.
  • the first printing material is an inorganic salt or a metal salt, in particular sodium acetate trihydrate, that includes water inside its crystalline structure, wherein the water will be released in the second step, in particular by heating the first printing material, and the metal salt is dissolved by releasing the water.
  • the first temperature for transforming the first printing material from being in the first state to being in the second state is set below the melting point of water, in particular while water is released from the inorganic salt.
  • the metal salt is able to form crystals and to return in its original state.
  • the first printing material comprises other additives that manipulate the characteristics of the crystallization.
  • the first printing material comprises a solvent carrier for adjusting the viscosity, an inhibitor for improving stability such as aniline, a smoothing agent such as ethylene glycol and/or a catalyst that accelerates crystallization.
  • the additive is a food coloring that at least partially dyes the three-dimensional structure. The use of the light source has the advantage of curing the second printing material in a fast manner.
  • the light source in particular a UV-LED, emits UV-light.
  • the use of the further light source has the advantage of correcting defects immediately.
  • the further light source emits IR-light.
  • the light of the further light source is directed by light guiding means to the defect. Consequently the light of the further light source retransforms the first printing material from being in the second state to being in the first state selectively.
  • the first printing material is transformed from being in the first state to being in the second state immediately after the first printing material is replaced, for instance by immediately cooling the first printing material. As a result the first printing material being again in the first state may be removed or replaced. Concluding the quality of the finished three-dimensional structure, in particular its surface is improved, advantageously.
  • a droplet of the first printing material being in the first state is deposited onto the substrate in the first step and/or wherein a droplet of the second printing material being in the third state is deposited onto the substrate in the third step. It is herewith advantageously possible to realize three- dimensional structure drop by drop. Another advantage is deposing droplets onto the substrate precisely. That reduces the amount of wasted first or second printing material and improves the quality of the three-dimensional structure advantageously.
  • a plurality of droplets of the first printing material being in the first state and/or a plurality of droplets of the second printing material being in the third state is deposited onto the substrate forming a layer in the first step and/or the third step, wherein the layer comprises a first region and/or a second region, wherein the first region includes the first printing material and the second region includes the second printing material, and wherein the first region and/or the second region is cured in the second step and/or the fourth step, wherein the three-dimensional structure is printed layer by layer. It is herewith advantageously possible to determinate the shape of the three-dimensional structure by setting the size and the position of the first and the second region.
  • the first printing material being in the first state and the second printing material in the third state are configured such that the first and/or the second printing material of a second layer arranged above a first layer fills a vacancies located in the first layer.
  • defects may be corrected and a compact three-dimensional structure is realized.
  • the vacancy is arranged in the first layer on purpose in order to realize a specific contour of the interface between the first layer and the second layer.
  • a thickness of the layer is detected by a sensor. As a result it is advantageously possible to control and guarantee a homogeneous layer thickness, because deviation regarding the layer thickness may be corrected instantaneously, for example by filling vacancies or retransforming the first printing material.
  • the first printing material being in the second state covers the substrate and subsequently the second printing material is deposited onto the layer formed by the first printing material.
  • the first printing material may be retransformed from being in the second state to being in the first state in order to support releasing the three-dimensional structure made out of the second printing material from the substrate.
  • the substrate is submerged in a container filled with the first printing material being in the first state and/or the substrate is submerged by using an inlet pipe. It is also thinkable that a scraper or a small drain is used for removing the first printing material being in the first state that excesses the amount of first printing material needed for realizing a layer having a specified thickness. As a result a smooth and homogeneous thick layer out of the first printing material is realized advantageously.
  • a layer comprising the first printing material is less thick than a layer comprising the second printing material.
  • the first printing material being in the first state and the second printing material being in the third state are deposited such that the second printing material being in the fourth state at least partially wraps the first printing material being in the third state.
  • a further body is formed by the first printing material being in the second state, wherein the second printing material being in the third state is deposited onto the body in the third step.
  • first printing material being in the second state represents another mold that is removable.
  • the first printing material being in a first state is deposited by a first printing means and wherein the second printing material being in the third state is deposited by a second printing means.
  • the first printing means is water that mainly not pollute or contaminate the printing means, in particular the printing head having the nozzle.
  • the printing means that comprises water as first printing means may be used mainly maintenance-free.
  • the substrate, the light source, the first printing means and/or the further printing means are arranged inside an encapsulation, wherein the encapsulation comprises the transformation means.
  • the transformation means regulates the temperature inside the encapsulation.
  • the encapsulation is a protection against UV -light emitted for curing the second printing means.
  • the substrate is moveable, wherein the substrate is moved during the first step, the second step, the third step, the fourth step and/or the fifth step.
  • the substrate is rotatable and the substrate is rotated during the printing process.
  • Another subject of the present invention is a device for printing a three-dimensional structure, wherein the device for printing the three dimensional comprises a printing means for depositing droplets of a first printing material, preferably water, onto a substrate and a transforming mean, preferably a cooling/heating means, wherein the transforming means is configured such that a first printing material is transformed from being in a first state to being in a second state, wherein the first printing material is reversibly transformable from being in the first state to being in the second state.
  • the device comprises an encapsulation that includes the printing means, the substrate and the transformation means. It is herewith advantageously possible to print three-dimensional structures, in particular ice structures.
  • Another subject of the present invention is a printed article, wherein the printed article is printed by a method mentioned above.
  • Figures 1 a-d show a method for printing a three-dimensional structure according to a first exemplary embodiment of the present invention.
  • Figures 2 a-c show a method for printing a three-dimensional structure according to a second exemplary embodiment of the present invention.
  • Figure 3 shows an exemplary third method for printing a three-dimensional structure according to a third exemplary embodiment of the present invention.
  • Figure 4 shows an exemplary fourth method for printing a three-dimensional structure according to a fourth exemplary embodiment of the present invention.
  • a method for printing a three-dimensional structure 1 according to a first exemplary embodiment is illustrated, wherein the printing process of the three-dimensional structure 1 is shown by snap shots at four different moments.
  • a print head 3 is arranged movable above a substrate 2.
  • the print head 3 comprises a first printing means 4, a second printing means 5 and/or a curing means 32.
  • the first printing means 4 has a first nozzle for ejecting or jetting droplets 6 of a first printing material being in a first state 1 1 towards the substrate 2,
  • the second printing means 5 has a second nozzle for ejecting or jetting droplets 6 of a second printing material in a third state 12 towards the substrate 2 and/or
  • the curing means 32 is a light source, in particular a UV-light source, wherein the light of the light source is configured to transform the second printing material from being in the third state 12 to being in the fourth state 22.
  • the UV-light source emits light having a wavelength between 180 nm and 400 nm.
  • the print head 3 is arranged movable along a printing direction A, wherein the printing direction A is
  • the droplets 6 of the first printing material being in a first state 1 1 and the droplets of the second printing material being in a third state 12 are deposited onto the substrate 2, wherein the position of the deposited droplet 6 of the first and/or second printing material being in the first or the third state 1 1 or 13 respectively depends on the position of the print head substantially.
  • the substrate 2 comprises a transformation means 31 for transforming the droplets 6 of the first printing material being in the first state 1 1 to a first printing material being in a second state 21 .
  • the first printing material being in the first state 1 1 is liquid and the first printing material being in the second state 21 is solid.
  • the transformation means 31 is a cooling means.
  • the cooling means transforms deposited droplets of liquid water or a layer of water to ice.
  • the substrate 2 comprise a cooling pipe system for example. Such a cooling pipe system may cool the substrate 2 homogenously across a contact interface between the substrate 2 and the deposited first or the second printing material.
  • FIG 1 a snap shot is shown after a first layer 15 of the first printing material has been transformed, in particular has been cured, into being in the second state 21 . Subsequently a second layer is arranged above the first layer as it is pictured in figure 1 b. It is provided that the first printing material and the second printing material are alternately deposited along the printing direction. In particular the first printing material and the second printing material are deposited and transformed (from the first to the third or from the second to the fourth state respectively) such that a first region and a second region are realized, wherein the first region comprises the first printing material being in the second state 21 and the second printing material being in the fourth state 22.
  • a plurality of layer 15 is stacked together during the printing process as is illustrated by figure 1 c.
  • the first printing material being in the first state 21 is removed completely from the second printing material and thus the three-dimensional structure 1 is realized.
  • the first printing material is removed by retransforming the first printing material from the second state 21 to the first state 1 1 .
  • the first printing material is retransformed from being solid to being liquid by melting. Retransformation may be for example realized by separating the three-dimensional structure from the transformation means. It is also thinkable that the transformation means is configured such that the first printing material is heated for retransformation. As a consequence the first printing material melts can be removed fast.
  • the Figure 1 d illustrates the three-dimensional structure 1 after finishing the printing process.
  • the figures 2a to 2c illustrate a method for printing a three-dimensional structure according to a second exemplary embodiment of the present invention.
  • a body 8 is printed by depositing droplets of the first printing material being in the first state 1 1 and by transforming the first printing material from being in the first state 1 1 to being in the second state 21 . It is thinkable that the body 8 was printed layer 15 by layer 15.
  • the body 8 is illustrated.
  • the droplets 6 of the printing material being in the third state 12 are deposited onto the body 8.
  • the body 8 determinates at least partially the shape of the second printing material, in particular the second printing material being in the fourth state 22.
  • the second printing material on top of the body 8 is illustrated.
  • the first printing material is retransformed from the second state 21 to the first state 12, in particular by melting.
  • the three-dimensional structure shown in figure 2c is realized.
  • FIG 3 a method for printing a three-dimensional structure 1 according to a third exemplary embodiment of the present invention is illustrated. It is provided that the first printing material and the second printing material are deposited and transformed or cured such that the body 8 formed by the second printing material being in the third state at least partially wraps the first printing material being in the second state.
  • the second printing material forms substantially a cavity that includes the first printing material being in the second state 21 . It is thinkable that the first printing material is retransformed from being in the second state 21 to being in the first state 1 1 , preferably by melting. Subsequently the first printing material may be removed from the body 8 through an opening 7, wherein the opening 7 could be realized during or after the printing process has been finished.
  • FIG 4 a method for printing a three-dimensional structure 1 according to a fourth exemplary embodiment of the present invention is illustrated.
  • the substrate 2, the first printing means 4, the second printing means 5, the curing means 32 and/or the transformation means 31 are arranged within an encapsulation 40.
  • the encapsulation 40 comprises means for regulating the temperature inside the encapsulation 40. For example it is thinkable that a first temperature is set inside the encapsulation 40 for transforming the first printing material from being in the first state 1 1 to being in the second state 21 , whereas a second temperature is set inside the encapsulation 40 for transforming the first printing material from being in the second state 21 to being in the first state 1 1 .
  • the first temperature is below the melting point of the first printing material and the second temperature is above the melting point of the first printing material.
  • a second substrate is removably connected to the substrate 2.
  • the second substrate 42 is formed by the second printing material being in the fourth state 22.
  • the first printing material is deposited and transformed such that the first printing material being in the second state 21 wraps the second substrate 42 completely and is connected to the second substrate 42.
  • the first printing material is eatable and the second substrate forms a popsicle, wherein the first printing material being in the second state is connected to the second substrat.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)

Abstract

La présente invention concerne un procédé d'impression d'une structure tridimensionnelle (1), dans le cadre duquel un premier matériau d'impression se trouvant dans un premier état (11) est déposé sur un substrat (2) lors d'une première étape, ledit premier matériau d'impression pouvant au moins partiellement passer, de façon réversible, d'un premier état à un second état grâce à un moyen de transformation, ledit premier matériau d'impression déposé passant du premier état au second état grâce au moyen de transformation lors d'une seconde étape.
PCT/EP2014/078863 2013-12-20 2014-12-19 Procédé d'impression d'une structure tridimensionnelle et appareil à cet effet Ceased WO2015092017A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14816270.4A EP3083197A1 (fr) 2013-12-20 2014-12-19 Procédé d'impression d'une structure tridimensionnelle et appareil à cet effet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13199246.3 2013-12-20
EP13199246 2013-12-20

Publications (1)

Publication Number Publication Date
WO2015092017A1 true WO2015092017A1 (fr) 2015-06-25

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PCT/EP2014/078863 Ceased WO2015092017A1 (fr) 2013-12-20 2014-12-19 Procédé d'impression d'une structure tridimensionnelle et appareil à cet effet

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EP (1) EP3083197A1 (fr)
WO (1) WO2015092017A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3243657A1 (fr) * 2016-05-12 2017-11-15 Xerox Corporation Imprimante 3d électrostatique faisant appel à une réticulation par uv adressable
WO2018210437A1 (fr) * 2017-05-16 2018-11-22 Idee & Design The Art Factory Gmbh Procédé et dispositif de fabrication d'un objet tridimensionnel
EP3473418A1 (fr) 2017-10-19 2019-04-24 Essilor International Procédé de fabrication d'une lentille ophtalmique, support et système de fabrication
WO2020035456A1 (fr) * 2018-08-15 2020-02-20 DP Polar GmbH Procédé de fabrication d'un objet moulé tridimensionnel par dépôt de couches successives de matière
US11370185B2 (en) 2018-01-11 2022-06-28 E-Vision Smart Optics, Inc. Three-dimensional (3D) printing of electro-active lenses
US11518069B2 (en) 2018-05-21 2022-12-06 The University Of Sydney Method of fabricating a casting
IT202200018051A1 (it) * 2022-09-02 2024-03-02 Dws Srl Dispositivo per la realizzazione di un oggetto tridimensionale stratificato ed un metodo

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997017664A1 (fr) * 1995-11-08 1997-05-15 Sanders Prototypes, Inc. Dispositif de fabrication de maquette en trois dimensions
US20030075836A1 (en) * 2001-10-24 2003-04-24 Fong Jon Jody Cooling techniques in solid freeform fabrication
WO2004050323A1 (fr) * 2002-12-03 2004-06-17 Objet Geometries Ltd. Procede et appareil d'impression tridimensionnelle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997017664A1 (fr) * 1995-11-08 1997-05-15 Sanders Prototypes, Inc. Dispositif de fabrication de maquette en trois dimensions
US20030075836A1 (en) * 2001-10-24 2003-04-24 Fong Jon Jody Cooling techniques in solid freeform fabrication
WO2004050323A1 (fr) * 2002-12-03 2004-06-17 Objet Geometries Ltd. Procede et appareil d'impression tridimensionnelle

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102142833B1 (ko) 2016-05-12 2020-08-10 제록스 코포레이션 어드레서블 자외선 가교결합을 이용하는 정전식 3-d 프린터
CN107364123A (zh) * 2016-05-12 2017-11-21 施乐公司 使用可寻址uv交联的静电3‑d打印机
KR20170128083A (ko) * 2016-05-12 2017-11-22 제록스 코포레이션 어드레서블 자외선 가교결합을 이용하는 정전식 3-d 프린터
JP2017206007A (ja) * 2016-05-12 2017-11-24 ゼロックス コーポレイションＸｅｒｏｘ Ｃｏｒｐｏｒａｔｉｏｎ アドレス指定可能なｕｖ架橋を使用した静電３ｄプリンタ
EP3243657A1 (fr) * 2016-05-12 2017-11-15 Xerox Corporation Imprimante 3d électrostatique faisant appel à une réticulation par uv adressable
CN107364123B (zh) * 2016-05-12 2020-09-29 施乐公司 使用可寻址uv交联的静电3-d打印机
WO2018210437A1 (fr) * 2017-05-16 2018-11-22 Idee & Design The Art Factory Gmbh Procédé et dispositif de fabrication d'un objet tridimensionnel
EP3473418A1 (fr) 2017-10-19 2019-04-24 Essilor International Procédé de fabrication d'une lentille ophtalmique, support et système de fabrication
KR102542885B1 (ko) * 2017-10-19 2023-06-14 에씰로 앙터나시오날 안과용 렌즈를 제조하는 방법, 지지대 및 제조 시스템
KR20200070342A (ko) * 2017-10-19 2020-06-17 에씰로 앙터나시오날 안과용 렌즈를 제조하는 방법, 지지대 및 제조 시스템
JP7444771B2 (ja) 2017-10-19 2024-03-06 エシロール・アンテルナシオナル 眼鏡レンズを製造する方法、支持物、及び製造システム
WO2019077068A1 (fr) 2017-10-19 2019-04-25 Essilor International Méthode de fabrication d'une lentille ophtalmique, support et système de fabrication
JP2021500594A (ja) * 2017-10-19 2021-01-07 エシロール・アンテルナシオナル 眼鏡レンズを製造する方法、支持物、及び製造システム
CN111201128B (zh) * 2017-10-19 2022-04-12 依视路国际公司 用于制造眼科镜片的方法、支撑件和制造系统
CN111201128A (zh) * 2017-10-19 2020-05-26 依视路国际公司 用于制造眼科镜片的方法、支撑件和制造系统
US11370185B2 (en) 2018-01-11 2022-06-28 E-Vision Smart Optics, Inc. Three-dimensional (3D) printing of electro-active lenses
US12521949B2 (en) 2018-01-11 2026-01-13 E-Vision Smart Optics, Inc. Three-dimensional (3D) printing of electro-active lenses
US11518069B2 (en) 2018-05-21 2022-12-06 The University Of Sydney Method of fabricating a casting
WO2020035456A1 (fr) * 2018-08-15 2020-02-20 DP Polar GmbH Procédé de fabrication d'un objet moulé tridimensionnel par dépôt de couches successives de matière
US12042982B2 (en) 2018-08-15 2024-07-23 3D Systems Gmbh Method for producing a three-dimensional shaped object by means of layer-by-layer material application
IT202200018051A1 (it) * 2022-09-02 2024-03-02 Dws Srl Dispositivo per la realizzazione di un oggetto tridimensionale stratificato ed un metodo
WO2024047592A1 (fr) * 2022-09-02 2024-03-07 Dws S.R.L. Dispositif et procédé de production d'un objet stratifié tridimensionnel

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