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Patent Searching and Data


Matches 1 - 50 out of 4,427

Document Document Title
WO/2018/008158A1
In a spherical lens surface processing method, a lens surface (5a) is ground to a spherical surface by forming a contacting state in which a rotating cup-shaped grinding stone (9) is placed in contact with the lens surface (5a) and a sph...  
WO/2017/211467A1
The invention relates to a tool, to a device, to a method, and to a use for the zonal polishing of optical workpieces, wherein the tool has a preformed cap for forming a polishing surface and the tool is placed against the workpiece to b...  
WO/2017/211452A1
A machine (10) for machining workpieces with optical quality has at least one workpiece spindle (12), via which a workpiece (L) to be machined is able to be driven in rotation about a workpiece axis of rotation (C), and also has a swivel...  
WO/2017/202502A1
A method and a system for processing optical lenses are disclosed. The lenses (2) are fed to individual processing devices (3) or processing lines (B) according to an assignment scheme. The assignment scheme takes into account the mainte...  
WO/2017/178110A1
The invention relates to a tool spindle (10) for a device (12) for fine machining optically active surfaces (cc, cx) on workpieces (L), having a spindle housing (14) and a tool holding portion (16) which protrudes beyond the housing. The...  
WO/2017/167564A1
A method implemented by computer means for processing an unfinished optical lens member for manufacturing an optical lens, the unfinished optical lens member having an unfinished surface and an aspherical finished surface having a first ...  
WO/2017/165215A3
An apparatus can comprise a body and a first portion. The first portion can be coupled to the body and moveable therewith. The first portion can comprise a rigidifying material and a layer. The rigidifying material can be positioned in a...  
WO/2017/093020A1
The invention relates to an optical element (10), comprising: a substrate (1) with an optical surface (2) embodied as a freeform surface and an area (3) adjoining the optical surface (2) at the side, wherein the area (3) adjoining the op...  
WO/2017/080639A1
The invention relates to a method, an installation, and a system for machining optical workpieces (2). The workpieces (2) are supplied to individual machining devices (3A-3G) or machining lines (B1-B6) according to an allocation. The res...  
WO/2017/067597A1
Systems and processes for generating a finished or semi-finished lens, such as a spectacle lens, from a lens blank that comprises an intermediate functional layer. Some embodiments, of the process involve locating the functional layer an...  
WO/2017/046803A1
A blocked lens, or lens on block (LOB), is a lens blank affixed to a lens block with an adhesive. The LOB can be stored in a warehouse, then shipped to an on-block manufacturing (OBM) facility, where it is machined to create a prescripti...  
WO/2016/193771A1
A system and a method for compensating deviations in an optical lens manufacturing process, wherein the user provides a lens prescription to the Lab Management System (LMS 101), the Lens Design System (LDS 103) computes the manufacturing...  
WO/2016/123695A1
There is provided a method for making an optical element having a textured surface. The method comprises the steps of: a) providing a plurality of primary optical fiber segments, each primary fiber segment comprising one or more cores; b...  
WO/2016/125798A1
The present invention addresses the technical problem of providing an eyeglass lens processing system, an eyeglass lens processing device, an eyeglass lens processing terminal device, an eyeglass lens processing program, and an eyeglass ...  
WO/2016/120985A1
Provided are a method for manufacturing a rotationally asymmetric lens manufactured by polishing with a machining tool and a method for manufacturing a molding die therefor, and a method for manufacturing a rotationally asymmetric mirror...  
WO/2016/116089A1
The invention relates to a method and a device for ultra-precision machining of a Fresnel lens describing a rotationally asymmetrical optical free-form surface superposed on a planar or curved area. In order to achieve said aim, the Fres...  
WO/2016/107690A1
A lens holder assembly (49) and method of using the lens holder assembly (49) to mark an ophthalmic lens (3) is provided. The lens holder assembly (49) comprises a stem (61) having a central axis and a first opening (5) extending along t...  
WO/2016/095939A1
The invention relates to a device and a method for machining an optical lens, in particular for machining the edges of an optical lens. The device has a measuring device, a machining device, a loading device, an unloading device, an inte...  
WO/2016/098398A1
A processing tool (1) for an optical element according to the present invention is provided with a stage tray (2) that has an upper surface (2a) with a prescribed curvature, and a plurality of grinding stones (3) each formed in a columna...  
WO/2016/058661A1
The invention relates to a polishing disc (10) for a tool (12) for finely machining optically active surfaces on spectacle lenses, having a main part (14) which has a central axis (M) and to which an intermediate layer (16) that is softe...  
WO/2016/058785A1
The present invention proposes a blocking unit (10) for a block piece (2) for a spectacle lens (L) comprising a block piece reception body (20) with a reception surface (22) adapted to receive a block piece (2) with a spectacle lens (L) ...  
WO/2016/058676A1
A device (10) for blocking workpieces comprises an aligning station (11), which has a workpiece support (12), for aligning a workpiece laid on same, a block station (13) comprising a block piece mount (14), in which block station the ali...  
WO/2016/058663A1
The invention relates to a device (10) for finely machining optically effective surfaces on, in particular, eyeglass lenses as workpieces, comprising a workpiece spindle (14), which protrudes into a working space (13) and by means of whi...  
WO/2016/055866A1
A blocked lens assembly suitable for on-block processing and cleaning includes a blocked lens and a sealing member disposed on at least a portion of an edge and/or surface defined by the blocked lens. The blocked lens further includes a ...  
WO/2016/055861A1
An opaque adhesive can be used to secure the convex surface of a lens blank to a lens blocking piece. This opaque adhesive can include a resin that is curable under ultraviolet light and contains many dispersed pigment particles. The pig...  
WO/2016/050579A1
A method implemented by computer means for optimizing the position of an optical lens to be manufactured in a lens blank, the optical lens being manufactured by machining at least two surfaces of the lens blank, the method comprising : -...  
WO/2016/050644A1
The invention concerns a machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect, characterized in that the method comprises a step (101 - 104) of determining...  
WO/2016/051931A1
 Provided are: a lens manufacturing method making it possible to manufacture a lens having exceptional optical transmission performance; a lens having exceptional optical transmission performance; and a lens holding device used for man...  
WO/2016/023835A3
The invention concerns a method for determining location of a lens machining tool (24) having an offset location according to a first direction (Y) smaller than a first predetermined threshold, comprising the steps of manufacturing a cal...  
WO/2016/023602A1
The invention relates to a grinding pad for detachably connecting a material blank to be ground to a retaining device, wherein the grinding pad comprises a polymeric carrier layer and adhesive coatings, which are applied to both sides of...  
WO/2016/023834A1
The invention concerns a method for deducing geometrical defects of an optical article turning machine, comprising a defect value deducing step, during which at least one geometrical defect value is deduced based at least on an indicativ...  
WO/2016/001575A1
The invention relates to a method for viewing at least one marking of at least one ophthalmic lens (1) within a spectacle frame, in which: said lenses (1) are arranged between at least one light source (4) and a display screen (6); at le...  
WO/2015/197970A1
The invention relates to a centring-blocking apparatus (1) including: a frame (10); an ophthalmic lens holder (20); blocking means (30) suitable for receiving a blocking accessory (200) with a view to depositing it on the ophthalmic lens...  
WO/2015/199751A1
Methods, systems, and devices for lathing parts, including lenses such as ophthalmic lenses. In some embodiments a reference surface is machined into a workpiece. In some embodiments the methods include machining first and second surface...  
WO/2015/190189A1
Provided is a grinding tool which, while utilizing existing grinding devices, can improve the surface accuracy of an object to be ground. A grinding tool (3) is characterized by comprising a grinding surface (30b) which forms a spherical...  
WO/2015/186696A1
[Problem] To provide a technique that makes it possible to fix a lens blank to a fixing jig in a stable manner. [Solution] A lens blank (LB), having a convex-shaped first surface (1) and a second surface (2) arranged opposite the first s...  
WO/2015/162789A1
 According to this lens-centering method, a state in which a lens (7) is sandwiched at prescribed pressing force between a lens holder (4) and a lens processing dish (8) is brought about (steps ST1-3). Next, the lens-processing dish (8...  
WO/2015/150201A1
The invention relates to a polishing tool (100) for surfaces of spectacle lenses and casting mould shells for spectacle lenses with a polishing lip (118) which comprises a rigid support (110) and has a polishing face (120), which has at ...  
WO/2015/135651A1
A device for blocking a spectacle lens blank (15) which has a finished surface (16) and, opposite said finished surface (16), a machining surface for machining in a machining device, comprises a receiving component (9) having a convex, p...  
WO/2015/101615A1
Described is a variable reference blocking apparatus for blocking an optical article (5). The apparatus comprises an adjustable ring unit (11) having a plurality of concentric members (19,19c,19i) positioned about a central axis. Each co...  
WO/2015/101652A1
An apparatus and device are disclosed that comprise at least a body extending along a central axis. The body comprises a proximal portion and a distal portion. The proximal portion comprises gripping members. The distal portion comprises...  
WO/2015/079134A1
The invention relates to a holder (1) for pneumatically blocking an optical lens (300) on a surfacing machine, comprising: - a gripping part (10) for fixing it to a corresponding member (200) of said surfacing machine, and - a part (100)...  
WO/2015/076039A1
A method of polishing a face to be polished while supplying a polishing agent to the face to be polished comprises a rotating step of rotating a workpiece, and a polishing step of polishing the face to be polished with a polishing tool. ...  
WO/2015/068500A1
Provided are a polishing tool that is capable of improving the surface accuracy of an object to be polished while using an existing polishing device, a polishing method, and a polishing device. This polishing tool is characterized by bei...  
WO/2015/064148A1
Provided is a lens holding jig that can reliably maintain a suction force on a workpiece. A lens holding jig (100) includes a head part (120) and a knockout bar (110) that rotatably supports the head part (120). The knockout bar (110) in...  
WO/2015/064129A1
Provided are a lens holder, etc. capable of, irrespective of the shape of lenses to be worked, simultaneously holding and grinding or polishing the lenses. A lens holder (100) holds lenses (10) which are to be ground or polished and is p...  
WO/2015/059007A1
The present invention refers to a process for machining a lens, comprising the steps of holding a semi-finished product (20) through a suction holding force which is active during an entire surface machining cycle of the semi-finished pr...  
WO/2015/059299A1
The invention relates to a surfacing tool for optical purposes, comprising a body (30) for mounting the tool (10) on a surfacing machine, an elastically compressible interface (12), a flexible buff (13), and a connecting structure betwee...  
WO/2015/011356A1
The invention concerns a method for machining an optical lens by means of a trimming machine, comprising: - a step of locking said optical lens, - a step of acquiring shape characteristics of the optical faces of the optical lens, - a st...  
WO/2015/003966A1
The invention relates to a method for producing a mirror substrate blank made from titanium-doped silica glass for EUV lithography, having a thickness of at least 40 millimeters, having the following method steps: • a) face grinding of...  

Matches 1 - 50 out of 4,427