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WO/2024/089433A1 |
A mandrel (1) for holding an ophthalmic lens member blank (52) during machining is disclosed. The mandrel (1) comprises a front surface (6) for receiving an ophthalmic lens member blank (52) to be machined; a rear surface (8) opposite th...
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WO/2024/089434A1 |
A mandrel (1) for holding an ophthalmic lens member blank (16) during machining is disclosed. The mandrel (1) has a front surface (6) for receiving an ophthalmic lens member blank (16) to be machined. The front surface (6) comprises a pl...
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WO/2024/083517A1 |
The invention relates to a polishing tool (1) for processing technical surfaces, consisting of a polishing main body (1a) and a polishing-means support (1b), wherein: the polishing-means support (1b) has at least one polishing grain; at ...
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WO/2024/068884A1 |
This method for selecting in an automated manner a polishing process for an edged lens fitted in a frame comprises: determining (10) in an automated manner whether the lens is embedded in the frame; if the lens is embedded in the frame, ...
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WO/2024/041451A1 |
The present invention relates to the field of optical cold working equipment. Disclosed is a down swing polishing machine, comprising a seat and a base connected to the seat by means of three bearing units; a pressure unit is provided on...
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WO/2024/038170A2 |
A computer-implemented method (100) for facilitating an identification of an optical mark (410) in an image (400) of a spectacle lens (402) is provided. The method (100) is characterized in that it comprises a step of generating (104) en...
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WO/2024/022976A1 |
In a method for mounting or for determining the position of a semi-finished optical product (3) on a manufacturing mandrel (2) during the manufacture of a spheric or aspheric lens, the position of the semi-finished product (3) on the man...
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WO/2023/217805A1 |
The disclosure provides a method for manufacturing an ophthalmic device, comprising machining to provide a predetermined surface on a part and which corresponds to an initial ophthalmic surface, the machining comprising: - selecting (130...
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WO/2023/217171A1 |
A polishing apparatus, comprising a frame (1), and a polishing disc (2), an accompanying polishing disc (3) and a clamp (5) arranged on the frame (1). At least one polishing position (4) used for placing a workpiece to be polished is arr...
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WO/2023/114400A9 |
Ophthalmic lenses and method of manufacturing ophthalmic lenses that include automated steps are disclosed.
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WO/2023/194279A1 |
The disclosure relates to a method for manufacturing by machining an ophthalmic device made from a substrate, carrying out a roughing (110, 120) on a face of the substrate and next a finishing (130) on said face of the substrate, the met...
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WO/2023/194284A1 |
The disclosure relates to a method for manufacturing by machining an ophthalmic device, comprising providing an optical function of the ophthalmic device to be obtained, selecting (100) an initial ophthalmic surface of the ophthalmic dev...
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WO/2023/184802A1 |
Provided in the present invention are an aspheric prism manufacturing method and an aspheric prism. The method comprises the steps of: S1, by using a thermoforming method, performing integral forming on a prism and lenses to obtain forme...
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WO/2023/132696A1 |
A management server for supporting remote control of a lens edger through a user terminal, according to embodiments of the present invention, comprises: a communication system which performs remote control of the lens edger using the use...
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WO/2023/110939A1 |
The invention relates to a method for producing spectacles lenses (10), in which method, starting with a blank, via a semifinished product, a finished product, which has predetermined surface geometries on a front face (12) and a rear fa...
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WO/2023/099577A1 |
The invention relates to a system (1) for blocking an ophthalmic lens (2) with an insert (3), said system comprising: - a cover (10) forming a chamber, filled with a gas, in which the ophthalmic lens and the insert are bonded by a glue (...
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WO/2023/099854A1 |
The present invention relates to a method of manufacture (S) of an optical surface (4) of an optical part (1), comprising the following steps: obtaining (S1) an optical part (1) comprising a substrate (3) made of a first aluminium alloy ...
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WO/2023/101842A1 |
A fixture is provided for converting a distance-controlled milling machine to a pressure-controlled regime, suitable for localized polishing. Methods of performing localized polishing utilizing the fixtures are also provided.
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WO/2023/073249A1 |
A workpiece holding head (10) has a housing (50), in/on which a holding arrangement (48) and a support arrangement (49) for an optical workpiece (14) are accommodated. The holding arrangement has a rubber-elastic sealing sleeve (52) whic...
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WO/2023/066824A1 |
Disclosed is a retainer (10) for processing optical workpieces each having two workpiece surfaces and a workpiece rim therebetween. The retainer comprises a holding assembly (72) and a support assembly (73) for the workpiece. A rubber-el...
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WO/2023/046937A1 |
A method for machining optical workpieces, in which a semifinished product (HZ) having predetermined surface geometries on the front side (FS) and rear side (RS) and a contoured edge (RA) of predetermined edge thickness (D2) therebetween...
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WO/2023/032489A1 |
Provided is a method for polishing a spectacle lens, the method having: a step for preparing a polishing pad in which a flocked polishing pad is provided to a polishing surface that comes into contact with a plastic spectacle lens, the f...
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WO/2023/011979A1 |
The invention relates to a polishing tool (100) for polishing a spectacle lens (L) in a surface machining process, which comprises a tool body (110) for being rotatably supported about a rotational axis (RA1). The tool body (110) compris...
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WO/2023/000414A1 |
Disclosed are a method and a device for curvature-adaptive cluster magnetorheological polishing of a free curved surface. The polishing method comprises the following steps: placing a workpiece to be processed in a rotating platform asse...
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WO/2022/258983A1 |
The invention relates to a sub-aperture polishing tool, comprising a support member including an attachment feature for attachment to a sub-aperture polishing machine. At an end of the support member is a polishing head comprising: a bas...
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WO/2022/257489A1 |
A double-sided polishing method for an optical lens, where simultaneous polishing of upper and lower surfaces of a lens is implemented by means of arranging grinding tools at locations above and below the lens, and the grinding tools fit...
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WO/2022/257964A1 |
An active fluid jet polishing method having revolution and rotation functions. In the polishing process, a polishing liquid (5) having constant pressure passes through an eccentric nozzle of a polishing tool head (1). Under the action of...
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WO/2022/253627A1 |
The invention relates to a method comprising: - detecting (S3), using an optical sensor, an intrinsic optical feature of a lens member to be positioned on a manufacturing apparatus configured to apply an optical lens manufacturing operat...
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WO/2022/251274A1 |
A workpiece separator system including a gripper, a heat source in thermal communication with the gripper, the heat source configured to heat a block of the workpiece causing separation of an alloy puck from the block. A method for separ...
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WO/2022/198739A1 |
An arrayed grinding method based on active pressure modulation, the method comprising: preparing grinding tools; performing measurement to obtain error distribution of a mirror to be processed, and calculating a residence time of a singl...
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WO/2022/189352A1 |
The invention relates to a method for automatically centering an ophthalmic lens (10), comprising steps of: - positioning the ophthalmic lens on a holder, - acquiring at least one image of the ophthalmic lens received on the holder by me...
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WO/2022/180101A1 |
Embodiments of the invention relate to a method for applying an optical mark (30) to a spectacle lens (12) mounted in a spectacle frame (14). The method comprises determining an intended position of the optical mark (30) at the spectacle...
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WO/2022/171810A1 |
Method of polishing a surface of an optical lens intended to be mounted in a spectacle frame, wherein the method comprises: obtaining edging contour data representative of the edging contour of the optical lens so as to be mounted in the...
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WO/2022/162100A1 |
The invention relates to a blocking piece (10) for vacuum blocking a lens blank (30). The blocking piece (10) comprises a blank contacting element (12) formed of a rigid fluid-permeable material having an upper surface (12a) for contacti...
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WO/2022/144189A1 |
The invention relates to a method for finely machining an axicon (L), which has a concave or convex conical surface (KF) with a cone axis (KA) and a cone angle (α), using geometrically undefined cutting edges in the form of bonded or lo...
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WO/2022/137771A1 |
Provided is a method for producing an eyeglass lens, the method comprising: determining the position of each of at least three marks such that a center position of a frame shape can be specified on the basis of the marks; putting each of...
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WO/2022/129046A1 |
An apparatus for separating a first liner from a lens wafer includes: at least one air nozzle including a first open end facing an edge of the lens wafer and configured to eject a gas, the at least one air nozzle disposed proximal to a f...
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WO/2022/118991A1 |
The present invention relates to a method for manufacturing a customized lens according to a preform design and a bi-aspherical design of a convex surface (CC)/a concave surface (CV). The preform design is a lens design according to para...
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WO/2022/115553A1 |
A textured glass-based article with multiple haze levels is provided. The textured glass-based articles are produced by utilizing a combination of etching and mechanical polishing to produce the multiple haze levels.
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WO/2022/101214A2 |
The present invention relates to a system for processing ophthalmic lenses, the system comprising: a plurality of processing devices for independently processing the ophthalmic lenses; a conveying device which interconnects the processin...
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WO/2022/085159A1 |
This curve generator comprises two cup-type grindstones having different roughness, a retaining mechanism for retaining a workpiece to be processed by the grindstones, a measurement mechanism for measuring the shape of the grindstones at...
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WO/2022/076222A1 |
The disclosure relates to methods for compensating for crystal structures differential material removal rates in sub-aperture figuring. A computing machine receives an input related to a substrate crystal structure. The computing machine...
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WO/2022/029168A1 |
The present invention relates to a tool holder for a processing tool for processing optical workpieces with a holder head for receiving a processing tool and a holder body for fastening the tool holder to a tool spindle. According to the...
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WO/2022/017657A1 |
The invention relates to a centering apparatus including: - a chassis, - a holder mounted on the chassis, which is suitable for receiving an ophthalmic lens, and - centering means mounted on the chassis, which include: • a camera for a...
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WO/2022/008351A1 |
The invention relates to a transportation carrier (T) for automated lens manufacturing in a lens manufacturing facility comprising at least one block piece or one block piece receiving section (ET2) wherein the transportation carrier (T)...
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WO/2022/002344A1 |
A system for marking a coated optical article (10) having at least one first mark (18) on a surface of a substrate (20) of the coated optical article (10) includes at least one mark (18) identification device having at least one electrom...
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WO/2021/233803A1 |
The invention relates to a coating system for coating spectacle lenses. Preferably, the coating system has a handling system for automatically handling clamping rings for temporarily holding the spectacle lenses during the application of...
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WO/2021/214057A1 |
The invention relates to a method of manufacturing an ophthalmic lens (10) to be mounted into a frame, comprising: - a step of acquiring an optical prescription for the future wearer of the ophthalmic lens and an information relative to ...
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WO/2021/214133A1 |
Method implemented by computer means for determining surfacing data to obtain a surface of a lens element, the surface (4) of the lens element (2) comprising - a refraction area (6) having a first curvature and - a plurality of optical e...
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WO/2021/179515A1 |
Disclosed are a method and a device for milling and grinding a large-aperture aspheric surface by using a splicing method, and a polishing method. An aspheric surface is discretized into a series of annular belts with different radiuses,...
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