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公开(公告)号：US11772322B2
公开(公告)日：2023-10-03
申请号：US16770848
申请日：2018-12-05
Applicant: Essilor International
Inventor： Jean-Marc Padiou , Mathieu Feuillade , Alexandre Gourraud , Loïc Quere , Olivier Roussel
CPC classification number: B29C64/112 , B29C64/40 , B29C65/48 , B29D11/00903 , B29L2011/0016 , B33Y10/00 , B33Y80/00
Abstract: A method of manufacturing an ophthalmic lens having at least one optical function includes: a step of additively manufacturing a complementary optical element by depositing a plurality of predetermined volume elements on a predetermined build support, the complementary optical element being configured to provide at least a part of the optical function of the ophthalmic lens, wherein the build support includes at least one added value or adhesive configured to provide to the ophthalmic lens at least one added function. An ophthalmic lens including a build support and a complementary optical element as well as an ophthalmic lens obtained by such a manufacturing method.
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公开(公告)号：US10137645B2
公开(公告)日：2018-11-27
申请号：US14895759
申请日：2014-06-06
Inventor： Loic Quere , Alexandre Gourraud , Pascal Allione , Cedric Begon
IPC: B29C67/00 , B29D11/00 , B33Y10/00 , G02C7/02 , B29C64/106 , B29K33/00 , B29K105/00 , B29L11/00
Abstract: A process for manufacturing an ophthalmic lens (10) having at least one optical function, includes: a step (100) of additively manufacturing the ophthalmic lens (10) by depositing a plurality of preset volume elements of at least one material having a preset refractive index in order to form a target geometric envelope; a step of determining an actual geometric envelope at least once during the implementation of the additive manufacturing step (100); and a step of triggering a corrective action if there is in a zone a discrepancy larger than a preset threshold between the target geometric envelope and the actual geometric envelope.
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公开(公告)号：US20150241714A1
公开(公告)日：2015-08-27
申请号：US14431339
申请日：2013-09-26
Inventor： Pascal Allione , Cedric Begon , Bruno Fauquier , Alexandre Gourraud , Loic Quere
IPC: G02C7/02
CPC classification number: G02C7/024 , B29C64/00 , B29D11/00432 , B29D11/0073 , B33Y10/00 , B33Y30/00 , G02C7/027
Abstract: The invention relates to a method for manufacturing an ophthalmic lens (40) having at least one optical function, which comprises the step of additively manufacturing (118) a complementary optical element (12) by depositing a plurality of predetermined volume elements (24) of a material having a predetermined refraction index on a predetermined manufacturing substrate (10), said complementary optical element (12) being configured such as to be assembled with an initial optical system (30), said manufacturing step comprising the step of determining a manufacturing setting (116) from properties relating to the deformation of said complementary optical element (12), which deformation is caused by transferring the latter onto said initial optical system (30), and said step of determining a setting comprising the step of determining said deformation properties (113) of said complementary optical element (12) from geometric properties of said manufacturing substrate (10) and said initial optical system (30) and from properties of said optical function to be provided to said ophthalmic lens (40).
Abstract translation: 本发明涉及一种用于制造具有至少一种光学功能的眼科镜片（40）的方法，该方法包括以下步骤：通过沉积多个预定的体积元件（24）来互补地制造（118）互补的光学元件（118） 在预定制造衬底（10）上具有预定折射率的材料，所述互补光学元件（12）构造为与初始光学系统（30）组装，所述制造步骤包括确定制造设置 （116）从与所述互补光学元件（12）的变形有关的特性，所述变形是通过将所述变形转移到所述初始光学系统（30）上而引起的，以及所述确定设置的步骤包括确定所述变形特性 （10）的几何特性和所述初始选择的所述互补光学元件（12）的光学元件（113） （30）和从所述光学功能的特性提供给所述眼科镜片（40）。
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公开(公告)号：US10281738B2
公开(公告)日：2019-05-07
申请号：US14431339
申请日：2013-09-26
Inventor： Pascal Allione , Cedric Begon , Bruno Fauquier , Alexandre Gourraud , Loic Quere
Abstract: A method for manufacturing an ophthalmic lens (40) having at least one optical function, includes the step of additively manufacturing (118) a complementary optical element (12) by depositing a plurality of predetermined volume elements (24) of a material having a predetermined refraction index on a predetermined manufacturing substrate (10), the complementary optical element being configured such as to be assembled with an initial optical system (30), the manufacturing step including the step of determining a manufacturing setting (116) from properties relating to the deformation of the complementary optical element, which deformation is caused by transferring the latter onto the initial optical system, and the step of determining a setting including the step of determining the deformation properties (113) of the complementary optical element from geometric properties of the manufacturing substrate and the initial optical system and from properties of the optical function to be provided to the ophthalmic lens.
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公开(公告)号：US10126730B2
公开(公告)日：2018-11-13
申请号：US14439158
申请日：2013-10-28
Inventor： Alexandre Gourraud , Loïc Quere
Abstract: Methods of determining movement data representing the movement of a machining tool of an optical lens lathing device for machining one or more optical surfaces or parts thereof of a set of optical surfaces are described. The methods comprise a greatest radial slope amplitude determining step during which the greatest radial slope amplitude of the optical surfaces of the set of optical surfaces is determined. The methods also comprise a machining tool selecting step during which a machining tool having a window angle greater than or equal to the greatest radial slope amplitude of the optical surfaces of the set of surfaces to be manufactured is selected. The methods further comprise a movement data determining step during which movement data representing the movement of the selected machining tool are determined and synchronized with the angular position of the optical surface driven in rotation.
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Patent Agency Ranking
公开(公告)号：US20150293380A1
公开(公告)日：2015-10-15
申请号：US14443320
申请日：2013-10-30
Inventor： Alexandre Gourraud , Eric Gacoin , Pascal Le Bouillonnec
CPC classification number: G02C13/001 , B29D11/00942 , B29D11/00951 , G05B19/182 , G05B2219/45157
Abstract: Method of manufacturing an optical lens, the method comprising: a lens member providing step (S1) during which a lens member comprising a first surface and a first reference system identified by first markings on the first surface is provided, a surface data providing step (S2) during which surface data corresponding to a second surface and the position of the second surface relative to the first surface of the optical lens are provided, a blocking and machining step during which the lens member is blocked and the second surface is machined, a second markings determining an providing step (S4) during which second markings identifying a second reference system of the second surface are determined and provided according at least to optical data representing the refractive properties of the optical lens and to observation data representing observation conditions in which the first and second markings are to be observed.
Abstract translation: 一种光学透镜的制造方法，所述方法包括：透镜构件提供步骤（S1），在该步骤中，提供包括第一表面的透镜构件和在第一表面上由第一标记识别的第一参考系统，表面数据提供步骤 S2），其中提供对应于第二表面的表面数据和第二表面相对于光学透镜的第一表面的位置，其中透镜构件被阻挡并且第二表面被加工的阻挡和加工步骤 第二标记确定提供步骤（S4），在该步骤中，至少根据表示光学透镜的折射特性的光学数据和表示观察条件的观测数据确定并提供识别第二表面的第二参考系的第二标记，其中， 观察第一和第二标记。
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公开(公告)号：US12017425B2
公开(公告)日：2024-06-25
申请号：US17279994
申请日：2019-09-24
Applicant: ESSILOR INTERNATIONAL
Inventor： Alexandre Gourraud
CPC classification number: B29D11/00432 , B29C64/386 , B33Y10/00 , B33Y50/00 , B33Y80/00 , B29L2011/0016
Abstract: A method for manufacturing an ophthalmic lens using an additive manufacturing technology, based on an optical element and initial manufacturing data, the initial manufacturing data including data defining a complementary portion to deposit on the optical element to form the ophthalmic lens from the optical element, includes the steps of: positioning the optical element on a support; determining a positioning error between the position of the optical element and a reference position on the support using a measurement directed to the optical element; determining a deterioration on the optical element; calculating updated manufacturing data taking into account initial manufacturing data and the determined positioning error; and manufacturing the ophthalmic lens using the updated manufacturing data by the additive manufacturing technology by depositing the complementary portion on the optical element to form the ophthalmic lens from the optical element. A manufacturing system for manufacturing an ophthalmic lens is also described.
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公开(公告)号：US10131102B2
公开(公告)日：2018-11-20
申请号：US14895830
申请日：2014-06-06
Inventor： Loic Quere , Alexandre Gourraud , Pascal Allione , Cedric Begon , Gilles Le Saux
IPC: B29D11/00 , B33Y10/00 , B29C64/106 , B29K33/04
Abstract: A process for manufacturing an ophthalmic lens having at least one optical function, includes the following steps: additively manufacturing (100) an intermediate optical element by depositing a plurality of preset volume elements of at least one material having a preset refractive index, the intermediate optical element including a target ophthalmic lens and a thickness allowance consisting of a portion of the plurality of volume elements; and subtractively manufacturing (300), by machining, the target ophthalmic lens from the intermediate optical element, the machining being carried out in a preset sequence, of at least one step, the preset sequence making it possible to subtract the thickness allowance, the additive manufacturing step (100) including a step of determining a manufacturing setpoint for the intermediate optical element in which the thickness allowance is determined depending on the preset sequence defined in the subtractive manufacturing step (300).
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公开(公告)号：US20150277422A1
公开(公告)日：2015-10-01
申请号：US14439158
申请日：2013-10-28
Inventor： Alexandre Gourraud , Loïc Quere
IPC: G05B19/402 , B28D1/16 , B23B5/00
CPC classification number: G05B19/402 , B23B5/00 , B23B2226/61 , B24B13/06 , B24B47/22 , B28D1/16 , G05B2219/39403 , G05B2219/50289 , Y10T82/10
Abstract: Methods of determining movement data representing the movement of a machining tool of an optical lens lathing device for machining one or more optical surfaces or parts thereof of a set of optical surfaces are described. The methods comprise a greatest radial slope amplitude determining step during which the greatest radial slope amplitude of the optical surfaces of the set of optical surfaces is determined. The methods also comprise a machining tool selecting step during which a machining tool having a window angle greater than or equal to the greatest radial slope amplitude of the optical surfaces of the set of surfaces to be manufactured is selected. The methods further comprise a movement data determining step during which movement data representing the movement of the selected machining tool are determined and synchronized with the angular position of the optical surface driven in rotation.
Abstract translation: 描述表示用于加工一组或多个光学表面的光学透镜板条装置的加工工具的移动的运动数据或一组光学表面的部件的方法。 该方法包括最大的径向斜率幅度确定步骤，在该步骤中确定该组光学表面的光学表面的最大径向斜率幅度。 该方法还包括加工工具选择步骤，在该步骤中选择具有大于或等于要制造的一组表面的光学表面的最大径向斜度幅度的窗口角的加工工具。 所述方法还包括运动数据确定步骤，在该运动数据确定步骤期间，确定所选择的加工工具的运动的运动数据并与旋转驱动的光学表面的角位置同步。
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公开(公告)号：US11940673B2
公开(公告)日：2024-03-26
申请号：US16770421
申请日：2018-12-05
Applicant: Essilor International
Inventor： Jean-Marc Padiou , Mathieu Feuillade , Alexandre Gourraud , Loïc Quere , Olivier Roussel
CPC classification number: G02C7/027 , B29D11/00432 , B33Y80/00 , G02C2202/16
Abstract: A method of determining at least one parameter of an ophthalmic lens (40) including a complementary optical element (12) obtained by additive manufacturing and configured to provide at least a part of the optical function of the ophthalmic lens, the determining method including a step of providing two characterizing surfaces simulating two opposite surfaces of a complementary optical element (12), the distance between the two characterizing surfaces along a thickness axis (Z) defining the thickness of the complementary optical element; a step of optimizing the distance between the two characterizing surfaces (20) along the thickness axis (Z) so that the thickness of the complementary optical element reaches a thickness threshold while complying with the optical function of the ophthalmic lens (40); and a step of determining at least one parameter of the ophthalmic lens (40) on the basis of the optimized distance.
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