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WO/2013/076403A1 |
The invention relates to a method for obtaining an ophthalmic lens, said method comprising: - the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a materia...
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WO/2013/063301A1 |
A method comprises providing a lens blank, a precision positioning device, an illumination device, and a vision system, wherein the lens blank includes at least one feature whose position is known relative to a position of an optic cente...
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WO/2013/045795A1 |
The invention relates to a device for polishing optical lenses, including: a lens holder (4); a means for positioning said lens holder (4); and a means for rotating said lens holder (4) about an axis, wherein said polishing device furthe...
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WO/2013/035709A1 |
There is provided a processing apparatus and an optical member manufacturing method that can improve the figure accuracy and the waviness accuracy, and can highly and precisely process an optical element surface. A processing apparatus g...
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WO/2013/030495A1 |
The invention concerns a method of surfacing a surface of a spectacle lens, comprising a step of determining a fixed rotation speed (Vrot) of said lens based on geometric characteristics of said surface, characterised in that the step of...
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WO/2013/004955A1 |
The present invention relates to a method for manufacturing an optical component, including a substrate made of a fusible material, said method including the following steps a) and b) or steps a), b) and c), or steps a), b), c) and d): a...
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WO/2012/156322A1 |
Process implemented by computer means for determining position parameters defining the relative position of a manufactured derivable surface relative to a reference surface, the process comprising: a nominal surface providing step (S1), ...
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WO/2012/143621A1 |
The invention relates to an ophthalmic‑lens holder (200) comprising a plate (210) and three pads (250) which are mounted on the plate and rise up above the latter to offer free ends (271) via which they can bear the ophthalmic lens. Ac...
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WO/2012/126604A2 |
An apparatus and a method for processing, in particular for polishing, an optical lens are proposed, wherein both a lens changing device and a separate tool changing device are provided. The lens changing device is arranged between a wor...
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WO/2012/123215A1 |
The invention relates to a system (21) for polishing a concave surface of an exterior part (3) for a timepiece, comprising an immobilizing device (25) including a support (31) for holding said part, and a grinding device (27) comprising ...
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WO/2012/123436A1 |
A method for producing a reflective optical component (10) for an EUV projection exposure apparatus, said component having a substrate (12) having a base body (14), and a reflective layer (20) arranged on the substrate (12), wherein the ...
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WO/2012/123120A1 |
There is disclosed a device (10) for the fine machining of optically active surfaces on in particular spectacle lenses, having a spindle shaft (32) which has a tool-holder portion (34) and is mounted in a spindle housing (36) such that i...
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WO/2012/123214A1 |
The invention relates to a piece of casing (3, 23, 43, 63, 83, 103) comprising an upper surface (82, 102) and a lower surface (84, 104). According to the invention, at least one of the faces (82, 84, 102, 104) has a longitudinal curvatur...
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WO/2012/116899A1 |
An apparatus for clamping and handling an ophthalmic lens (A) in one or a plurality of stations throughout a manufacturing process, comprising: a main actuator (5); a loading platform (3) on which the lens is laid down with its concave s...
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WO/2012/116803A2 |
The invention relates to a device and method for polishing an optical lens by means of a rotatable tool, wherein a holder for the lens can be pivoted by means of a push rod adjustment about a pivot axis transversely with respect to the a...
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WO/2012/069661A9 |
The invention relates to a block piece 1 for holding an optical lens 8 to be worked in a machine tool, said block piece having a rotational axis 1.1, a holding surface 2 that can be made to face the lens 8 and a bearing surface 3 that is...
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WO/2012/108866A1 |
The present invention is drawn to a process of drilling organic glasses, comprising the following steps: (a) providing a substrate of organic glass, preferably of optical grade, (b) laminating onto at least one surface of said organic gl...
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WO/2012/088051A2 |
An apparatus and a method for forming or polishing a concave or convex radius surface on a work-piece is described herein. The apparatus includes a carrier that is configured to support a work-piece. A substantially hollow rotatable tool...
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WO/2012/084988A1 |
The invention relates to a device for blocking eyeglass lenses onto blocks (2.1) using a bonding mass, by means of which the eyeglass lens (1.1) is connected to the block (2.1) in a form-fit and/or force-closed manner, comprising several...
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WO/2012/078969A1 |
Disclosed is a lens blocking composition and lens blocks as well as methods of blocking and processing a lens. In particular, a thermoplastic lens blocking composition for blocking an optical substrate in a processing position is disclos...
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WO/2012/070759A2 |
Provided is an apparatus for grinding the curved surface of a mirror for a vehicle, and a method for grinding the curved surface using same. In the mirror-processing apparatus and the method for grinding a curved surface using same, an a...
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WO/2012/069168A2 |
The invention proposes an apparatus and a process for machining an optical lens, wherein firstly a block piece for the lens is subjected to material-removing machining and then is provided with markings for positioning the lens on the bl...
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WO/2012/065712A1 |
The invention relates to a device (1), a tool (5) and a method for machining, in particular polishing, an optical lens (2) by means of a tool (5), wherein an information carrier (14) on a working surface of the tool (5) is optically dete...
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WO/2012/055877A2 |
The invention relates to a subassembly consisting of a supporting element (8.2) for a machine bed (8.1) of a lathe (8), and of a machining unit (3) which is arranged on the supporting element (8.2) and has a machining axis (3.1), wherein...
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WO/2012/049377A1 |
The invention relates to a calibration template (1) for calibrating a machining device which is fitted with means for immobilizing and means for machining an ophthalmic lens, comprising an attachment part (10) designed to be attached to ...
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WO/2012/045411A1 |
An apparatus (1) and a method for working an optical lens (2) are proposed, wherein desired optical data (OD) of the lens (2) are used to determine lens production data (FD) and/or geometrical data (GD) of the lens (2) when a correspondi...
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WO/2012/045412A1 |
An apparatus and a method for working an optical lens (2) and an associated transporting container (13) for a number of optical lenses (2) are proposed, wherein the presence of required or specified operating resources is picked up, pref...
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WO/2012/045410A1 |
An apparatus (1) and a method for working an optical lens (21) are proposed, wherein the desired optical data (OD) of the lens (2) can be input into the apparatus (1) and used to determine lens production data (FD) and/or geometrical dat...
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WO/2012/025547A1 |
The invention relates to a replaceable fine machining membrane (19) for fixing on a tool head (1), to which pressure can be applied, of a stationary fine machining tool for fine machining a workpiece surface. A fine machining means subst...
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WO/2011/140043A2 |
Lens processing and testing systems are provided various forms of marking and/or holding lens components, such as lens substrates and the like including electro-active elements. A lens testing system may include, for example, a light sou...
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WO/2011/117050A2 |
The invention concerns a process for measuring and/or controlling a polishing process of an ophthalmic element (1) comprising the steps of -manufacturing at least two cavities (2, 3) on the surface of the element to be polished, the dept...
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WO/2011/107227A1 |
The invention relates to a device (10) for blocking optical workpieces (L), said device comprising a first moving device (12) for rotating a workpiece (L), which is blocked on a blocking piece (B), about a workpiece rotational axis (14) ...
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WO/2011/096090A1 |
Since a large-sized optical element has a very long focal point distance, a worked surface and a measuring device need to be installed distantly spaced apart using an elongated frame structure in order to measure the worked surface. Howe...
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WO/2011/092748A1 |
A spherical core type lens grinding device (1) performs an operation wherein a dish-shaped grindstone (8) provided with a spherical grindstone surface (8a) which is equipped with diamond abrasive grains, is pressed against a surface-to-b...
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WO/2011/076928A1 |
Method for determining the edge contour of an uncut spectacle lens comprises: - a spectacle frame data providing step, - a minimum edge thickness providing step, - an initial contour providing step, - a thickness determining step, - an o...
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WO/2011/076904A1 |
A method for mounting an optical lens to be polished Method for mounting an optical lens (10) to be polished on a spindle(20)of a polishing device, the optical lens (10) comprising a first and a second main surface (101, 102), the method...
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WO/2011/070267A1 |
The invention relates to an optical-grade surfacing tool (101) provided with a resilient return means (115) comprising a plurality of resiliently flexible strips (118) that transversely project from a rigid central mounting (104), each s...
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WO/2011/054665A1 |
A method of deblocking an ophthalmic lens component (100) blocked on a thermoplastic layer (310) arranged on the holding surface (210) of a lens holding block (200) comprising the step of applying a pushing force on the thermoplastic lay...
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WO/2011/042091A1 |
The invention relates to a deblocking device (10) and an associated method for deblocking optical workpieces, in particular eyeglass lenses (L). The deblocking device comprises a first moving apparatus (12) for rotating a workpiece block...
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WO/2011/029634A2 |
The invention relates to a method for producing an optical assembly, comprising at least two optical functional surfaces (5, 6) arranged in a fixed positional relationship to one another on a common supporting structure (9), wherein by m...
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WO/2011/024599A1 |
A method for manufacturing a polarizing lens, capable of forming a homogeneous polarizing element on the curved surface of the lens. A polarizing lens is manufactured by: a step for forming parallel grooves in the surface of the lens bas...
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WO/2011/018212A1 |
The proposed polishing tool (1) comprises a main body (2) having a machining section (4, 5) on the outside. On the inside, the main body has an open interior space (7) with which the polishing tool can be slid with fit onto a holder (8) ...
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WO/2011/018231A1 |
The present invention relates to a composition, in particular a blocking agent composition, in particular for fixing blanks for ophthalmic and/or optical lenses, preferably plastics material-based ophthalmic spectacle glass blanks. The c...
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WO/2011/010860A2 |
The present invention relates to an apparatus and method for processing a lens, and more particularly, to an apparatus and method for processing a lens, wherein a side surface or a hole of a lens is processed when a processing angle is c...
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WO/2010/145912A1 |
Method for determining movement data representing the movement of a machining tool of an optical lens 3D machining device for machining a surface of an optical lens, wherein the method comprises: â–ª a machining tool data providing stage...
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WO/2010/143234A1 |
A lens processing device (1) is adapted such that a lens (11) is sucked and held by a lens holder (12) rotatably and rockably supported on the front end of a lens holder shaft (13) through a pivot bearing mechanism (14) and then such tha...
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WO/2010/136363A1 |
A method for blocking an optical lens (100) on a holding unit (200) thanks to a thermoplastic material layer (310) comprising the steps of: a) providing around the holding unit (200) a removable part (500) comprising an upper part surfac...
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WO/2010/112635A1 |
Finished ophthalmic lens and corresponding methods. Finished ophthalmic lens that has a concave face and a convex face and an external perimeter (1) and that furthermore has: a thickness within a pre-established range; a central working ...
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WO2010110271A1 |
Provided is a method for reducing the failure to polish a portion of a lens having a radius of curvature of a convex surface shape which varies depending on its position. A lens substrate (40) is obliquely attached to a lens holder (20) ...
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WO/2010/099409A1 |
Techniques for manufacturing sheet product of varying surface profile and products thus manufactured are disclosed herein. In some embodiments, the disclosed invention provides a method for profiling a surface of a sheet product (200) ha...
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