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WO/2010/069846A1 |
Method of blocking an unfinished optical lens (10) to be machined, the unfinished optical lens comprising an unfinished face and a second face, the method comprising: an unfinished optical lens providing step in which the unfinished opti...
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WO/2010/068046A2 |
The present invention relates to an apparatus for polishing an object into a large-diameter optical lens based on inputted data. The polishing apparatus comprises: a base frame on which various components are installed; a rotatable turnt...
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WO/2010/052316A1 |
The invention relates to a method of manufacturing an ophthalmic lens, the method comprising: providing edge contour data defining an edge contour of a first surface of a lens member; blocking the lens member with respect to a manufactur...
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WO/2010/052248A1 |
Use of a thermoplastic material for blocking an optical substrate (100) in a machining position, wherein the thermoplastic material is formulated from a composition comprising a shellac and a plasticizer where the shellac and the plastic...
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WO/2010/049645A1 |
The invention relates to an ophthalmic machining machine (1) comprising machining means (3) and means (5) for supporting a blank (100). The invention is characterised in that the machine is capable of transferring marks to said blank tha...
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WO/2010/043365A1 |
The invention discloses a device (10) for clamping particularly an eye glass lens blocked on a block piece for processing and/or coating said eye glass lens, comprising a receiving space (34) having a center line (M) for a clamping secti...
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WO/2010/029404A1 |
Optical grade surfacing tool, including: a rigid support (60); an elastically compressible interface (12) attached to the rigid support (60); a flexible pad (13) adapted to be pressed against a surface (71) to be worked, attached to the ...
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WO/2010/029245A1 |
The invention relates to an optical-grade surfacing tool that comprises: a rigid holder (60); an elastically compressible interface (12) secured to the rigid holder (60); and a flexible pad (13) that can be applied against a surface to b...
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WO/2010/006995A1 |
A method for blocking and/or deblocking an optical lens (100) on a heat conducting holding unit (200) comprising an upper assembling surface (210) comprising the steps of : a) providing first layer consisting of an adhesive tape (330) on...
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WO/2010/004065A1 |
The invention relates to a tool (10) for polishing optical surfaces (21), which tool comprises a rigid base (11) that has a spherical surface (14) that bears an elastic cushion (12), which has a polishing face (16), characterised in that...
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WO/2009/156054A1 |
A method for manufacturing spectacle lenses is proposed, comprising the steps of: providing a lens blank (SFB) having a first face (ex) that possesses a final curvature and is coated with an antiref lection coating (AR) as an outer layer...
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WO/2009/158574A1 |
Embodiments described herein provide methods for manufacturing an optical device having shaped sidewalls. A substrate material can be shaped to form a substrate portion of an optical device comprising an exit face and sidewalls positione...
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WO/2009/007087A9 |
An optical element has an optical surface, which optical surface is adapted to a non-spherical target shape, such that a long wave variation of the actual shape of the optical surface with respect to the target shape is limited to a maxi...
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WO/2009/137685A2 |
A lapping or polishing machine includes a material having a first finishing surface to process a surface of a work item, a measuring tool to measure a contour of the first finishing surface, and a conditioning tool having a second finish...
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WO/2009/135920A1 |
The invention refers to a machining method for an eyeglass lens blank (1) in which a bock piece (2) is connected, by way of a connecting material (3), to a first side (1.1) of the eyeglass lens blank (1) for holding and supporting the ey...
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WO/2009/135689A1 |
The invention discloses a device (10) for blocking workpieces, particularly spectacle lenses (L), for the processing and/or coating thereof, comprising a support surface for positioning the workpiece to be blocked, a blocking station (14...
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WO/2009/106296A1 |
A block piece (10) for holding in particular a spectacle lens blank (B) and its use are proposed, which comprises a basic body (12) having a workpiece mounting face portion (14) against which the workpiece can be blocked with a blocking ...
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WO/2009/102908A1 |
The present invention relates to a method of deblocking (e.g. de-attaching) a non-metal-alloy lens block on a processed lens, wherein the lens block has a first end facing towards the processed lens. The method comprises cutting the lens...
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WO/2009/088106A1 |
Since a supporting condition or weight distribution in the case of assembling a large size optical element in a large size telescope and the like is different from that in the case of mounting a grinding subject article on a work support...
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WO/2009/068613A1 |
Process for controlling a lens manufacturing process comprising the steps of : a) manufacturing a master lens (20) according to a manufacturing process using a manufacturing device, b) measuring at least one parameter of the master lens ...
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WO/2009/042687A1 |
A coated abrasive includes a substrate, where the substrate has a first edge and a first plurality of flaps defining a first edge. The flaps can be manufactured with different shapes and spacing between the flaps to improve the conformab...
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WO/2009/034104A2 |
The invention relates to a polishing machine (1) for lenses (7, 7') comprising at least one first polishing spindle (3) having a polishing axis (K) and a tool holder (3.1) disposed on the first polishing spindle (3) for a first polishing...
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WO/2009/016921A1 |
This invention provides a process for producing a spectacle lens, which can remove machining traces, is free from a striped pattern, a variation in the degree of lenses, and a sagged shape and can improve the optical properties and quali...
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WO/2009/016295A1 |
The invention relates to a surface device that comprises a rigid holder (11), an elastically compressible interface (12) connected to the rigid holder, a flexible pad (13) adapted to be applied onto the surface to be machined (30) and a ...
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WO/2009/010466A1 |
A method for blocking an optical lens (10) comprising a moving step in which the optical lens (10) is moved from a first reference position (Pl) to a second reference position (P2), so as to be in contact with a blocking material (14), t...
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WO/2009/007088A1 |
A method of aligning at least two wave shaping elements, a method of measuring a deviation of an optical surface from a target shape and a measuring apparatus for interferometrically measuring a deviation of an optical surface from a tar...
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WO/2009/003660A1 |
A new lens blocking material (adhesive composition 78) is proposed that essentially overcomes the drawbacks of previous blocking materials. This new material combines traditional UV and/or visible light (VIS) curable polymer materials wi...
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WO/2008/155481A2 |
The invention relates to a method for trimming ophthalmic lenses in which an optical reference frame of the lens concerned and/or a trimming instruction is determined by means of a centration and/or trimming characteristic relating to th...
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WO/2008/137545A1 |
An ophthalmic blocking pad includes a foam layer (306/406), a film layer (304/404) disposed over and directly contacting the foam layer (306/406), and an adhesive layer (302/402) disposed over the film layer (304/404). The film layer (30...
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WO/2008/135847A1 |
An abrading device features a flexible abrading membrane supported by two supports. The device may be used in either linear or rotary configurations. The device can be used in conjunction with devices that impart continuous or vibratory ...
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WO/2008/135600A1 |
A method of deblocking a lens component (1) fixed on a thermoplastic block (2) of an ophthalmic lens block comprising the steps of : a) applying a pushing strain on the surface (14) of the lens component (1) fixed on the thermoplastic bl...
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WO/2008/120691A1 |
The optical surfaces of lenses (21) are rotated while being held on a rotating shaft (12) of a turning machine. While being rotated, the lens surfaces are cut or ground to aspheric surfaces from the direction perpendicular to the axis of...
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WO/2008/118479A1 |
A vibration assisted machining (VAM) system, including: a frame (100; fig 1); a vibration element (114; fig 1) mechanically, coupled to the frame (100; fig 1); a cutting tool holder (112; fig 1) connected to the vibration element (114; f...
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WO/2008/118158A1 |
A vibration assisted machining (VAM) system, including: a frame (100); a vibration element (114) mechanically coupled to the frame (100); a cutting tool holder (112) connected to the vibration element (114); and a workpiece holder (106) ...
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WO/2008/116946A1 |
This device includes: at least one suction pad (6) for holding the lens (4) by the upper face thereof, means for unblocking and removing from the holder (3) and the fluxing material (31) adhered below said lens (4), at least two hinged a...
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WO/2008/113858A2 |
The present invention relates to a method for producing an element having at least one arbitrarily freely formed surface (freeform surface) with high dimensional accuracy and low surface roughness, and to an optical element having an opt...
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WO/2008/098429A1 |
A method for processing an aspheric, in which a workpiece prepared for processing is fixed on a main rotation axis (2), and rotated by the main rotation axis, a cutter (6) whose swing angle q and swing radius R is changeable is setted op...
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WO/2008/096007A1 |
The invention relates to a method for producing a semi-finished product (3.1) for a plus or minus power lens (1) having a toroidal or atoroidal back (2) that is configured as a prescription surface (2.1). According to said method, a blan...
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WO/2008/093015A2 |
The device of the invention includes : bearing means (55) for the lens (100); means (53) for acquiring a global image (90) of the drill hole (110) of the lens (100) in a lighting direction (D51, A52) or image acquisition direction (A53);...
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WO/2008/093016A1 |
The invention relates to a method for determining the position of a target drill hole (210; 250) to be formed on a target correction lens (200) having a target outline (220) after trimming and from a reference lens (100) having reference...
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WO/2008/087610A1 |
A diamond element (10) having a convex surface is disclosed, the convex surface including a spherical segment for which the maximum peak to valley deviation from a perfect spherical surface is less, than about 5um. The diamond element (1...
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WO/2008/066801A1 |
The spacing between an abrasive type surface polishing tool and the surface of the work piece that is being polished is controlled dynamically so that variations in the area of the abrasive pad in contact with the surface of the work pie...
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WO/2008/060091A1 |
Disclosed is an automatic constant pressure polishing apparatus. The automatic constant pressure polishing apparatus comprises a housing having a hollow section therein, a rubber pad installed in the housing and having superior expansion...
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WO/2008/045444A2 |
The present invention is related to manufacturing surfaces with an axis decentered from the spindle axis. In particular, the present invention is related to compensating for tool geometry in cutting processes that involve an oscillating ...
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WO/2008/022978A1 |
A process is provided for rapidly holding an optical article having a convex surface on a holder of a lens machining equipment, the holder being equipped with a suction chuck comprising a cavity with a side wall and sealing means on a fr...
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WO/2008/015318A1 |
The invention concerns a method for producing a lens (6), one side of which (9, 10) has a complex multifocal or progressive or regressive multifocal surface (7). This method comprises the following steps: 1 - forming a mold (1) composed ...
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WO/2008/003805A1 |
The invention relates to a method for uncoupling the support and removing the protective film from lenses during production. The method consists of: a phase comprising the weakening of the layer (5) of fluxing material, specific to a mac...
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WO/2007/147958A2 |
Method for machining a face (1) of an optical object (6), comprising a step of providing a machine tool which itself comprises: a bed (1) for locating an object to be machined, this bed (1), which has a receiving surface (3), being angul...
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WO/2007/141402A1 |
The present invention concerns a method of trimming an optical lens, including the machining of a lens (100) based on a desired shape (120) in conformance with a programmed machining cycle, the lends being secured by at least one lock ad...
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WO/2007/132694A1 |
In pressure sensitive adhesive sheet (2), first coating layer (2b1) as a pressure sensitive adhesive layer is formed at a portion opposed to a lens surface. The pressure sensitive adhesive layer consists of a pressure sensitive adhesive ...
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