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7617579 |
Eyeglass lens processing apparatus
An eyeglass lens processing apparatus includes a lens holding unit for holding an eyeglass lens, a roughing tool, a finishing tool, a drilling tool, a processing water supply unit for applying...
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7614742 |
Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces
The invention concerns a method for producing ophthalmic lenses that uses plastic blanks in the form of flat, round discs. The outer edge of said plastic blanks is clamped and the desired final...
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7588480 |
Polishing head for a polishing machine
A polishing head for polishing machines, in particular for polishing optical surfaces, has a polishing plate that is connected to a rotationally drivable drive shaft. The polishing plate is...
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7581305 |
Method of manufacturing an optical component
A method of manufacturing an optical component comprising a substrate and a mounting frame with plural contact portions disposed at predetermined distances from each other is provided. The method...
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7578725 |
Lens layout block device
This apparatus includes a unit for adhering an elastic seal to a lens holder, a unit for causing the lens holder, to which the elastic seal is adhered, to hold a lens, a pivotal arm, an arm driving...
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7563153 |
Method of preparing eyeglass lenses for mounting on the frame selected by the wearer
The method comprises the following steps:
a centering step during which the optical frame of reference of the lens is acquired and a blocking accessory is fastened thereto; and a step of...
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7530690 |
Centering and blocking device for an ophthalmic spectacles lens, an automatic detection method, and associated manual centering methods
The device includes receiver elements ( 121, 114 ) for receiving the ophthalmic lens; on either side of the receiver elements, firstly lighting elements (S) for illuminating the ophthalmic lens (...
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7527377 |
Method for manually centering an ophthalmic lens in a centering/blocking device and associated centering/blocking device
Method of manually centering an ophthalmic lens, includes:
a) acquiring and storing the shadow of a predetermined geometrical figure formed on a transparent support interposed between...
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7503834 |
Apparatus and a method of polishing an optical surface; an optical component; and a method of manufacturing a polishing tool
An apparatus for polishing an optical surface, in particular an optical surface of a spectacle lens, is disclosed. The apparatus comprises a polishing head having a polishing tool, the polishing...
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7500903 |
Polishing apparatus
A polishing apparatus includes a polishing jig. The polishing jig includes an elastic balloon member, a fixture, and a fluid supply portion. The fixture airtightly closes the rear opening portion...
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7494305 |
Raster cutting technology for ophthalmic lenses
A raster cutting apparatus and method for producing accurately formed, aspheric ophthalmic lenses having a good quality surface finish. The accurate form and good surface finish are obtained by...
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7491114 |
Fiber optic polisher
A fiber optic polishing apparatus is disclosed including a single degree-of-freedom (DOF) gear transmission system, a pressurizing module, a fixture module, and a housing assembly motorized...
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7481543 |
Mirror for use in a projection exposure apparatus
A mirror for use in a projection exposure apparatus is described. The mirror has a main surface extending beyond an outline of an optical surface of the main surface. The optical surface has a...
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7467988 |
Slurry composition and method for polishing organic polymer-based ophthalmic substrates
The present invention provides a slurry composition and method for polishing organic polymer-based ophthalmic substrates. The slurry composition according to the invention includes an aqueous...
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7455569 |
Grinding and polishing machine for grinding and/or polishing workpieces to an optical quality
A grinding and polishing machine, in particular for lenses, has at least one tool spindle and at least one workpiece. The tool spindle is constructed to hold a respective tool on the same axis at...
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7448942 |
Grinding method
A surface to be polished having a plurality of surfaces of significantly different curvatures can be polished evenly by the use of resilient abrasive members by using a polishing method including...
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7440814 |
Method for auto-calibration of a tool in a single point turning machine used for manufacturing in particular ophthalmic lenses
A method for auto-calibration of at least one tool ( 36 ) in a single point turning machine ( 10 ) used for manufacturing in particular ophthalmic lenses (L) is proposed, in which a test piece of...
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7438775 |
Lens layout block device
A lens layout block device comprising a seal feeding device that supplies an elastic seal to a seal sticking position (A 5 ). The elastic seal is loaded in a tape loading part in the form of a seal...
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7424773 |
Eyeglass lens processing apparatus
An eyeglass lens processing apparatus includes: a hole forming portion that includes a hole forming tool which forms a hole for attaching a rimless frame in an eyeglass lens; and breakage detector...
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7413503 |
Elastic polishing tool and lens polishing method
An elastic polishing tool that comes into contact with a surface to be polished of a lens and rotates to polish the surface, includes: an elastic polishing body which has a cylindrical shape and...
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7413502 |
Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces
The invention concerns a method for producing ophthalmic lenses that uses plastic blanks in the form of flat, round discs. The outer edge of said plastic blanks is clamped and the desired final...
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7407432 |
Lens suction jig installing apparatus and method of determining lens position using apparatus thereof
The lens suction jig installing apparatus of the present invention comprises a position adjustable pedestal for holding a spectacle lens where a plurality of indices are formed that are provided...
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7396275 |
Polishing machine comprising sliding means transverse to the front face
A polishing machine for optical elements, comprising:
a spindle arranged to rotationally drive an optical element; a polishing tool mobile relative to the spindle; a front face provided with...
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7392108 |
Method of controlling an edger device, machine programmed to edge an ophthalmic lens blank, and computer program
The present invention relates to a method of controlling an ophthalmic edger device, and a machine programmed to edge and ophthalmic lens blank. A lens blank and an edger device for forming a...
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7369238 |
Lens blank alignment and blocking device and method
A lens blocking device is disclosed that includes a frame, a light source mounted on the frame, a carriage having a first end and a second end mounted on the frame for sliding movement between...
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7338558 |
Fixing material delivery system for a blocking apparatus
Blocking apparatus and a blocking method allow precise alignment of an axis of a button with an axis of a block for blocking process of lens manufacturing. According to another aspect, the...
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7334313 |
Numeric control bore for boring an eyeglass lens and corresponding method
Numeric control bore for boring an eyeglass lens and corresponding method. The bore comprises a bedplate ( 1 ), attachment device ( 3 ) for the lens ( 5 ), rotation device ( 9 ) for the lens ( 5 )...
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7322877 |
Production method for optical lens
The method for making an optical lens according to the present invention is characterized in comprising: a optical lens preform fabrication step of fabricating a optical lens preform which...
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7303600 |
Unexpanded perlite ore polishing composition and methods
An unexpanded perlite ore polishing composition is shown. The composition comprises base material having grains of unexpanded perlite ore of a selected distribution of particle sizes which undergo...
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7278906 |
Adhesive tape and edging method using same
An adhesive tape which is to be arranged between a lens and at least one of a plurality of chucks in an edge-machining apparatus comprises an adhesive face for being in contact with the lens. A...
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7220168 |
Processes for producing a whetstone and whetstone pellets with uniform abrasion layers
A whetstone pellet 1 is composed of a columnar base body 2 to be fixed on a pedestal 9 , and an abrasive grain part 5 containing numerous abrasive grains formed by electroless plating on an...
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7210983 |
Apparatus and method for grinding workpieces
An exemplary method for grinding workpieces is provided. Firstly, a plurality of workpieces ( 18 ) are bonded together. The bonded workpieces have a central axis ( 181 ). Secondly, a grinding wheel...
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7207863 |
Aspheric-surface processing method and aspheric-surface forming method
An aspheric-surface processing method according to the present invention, uses a cuffing apparatus including at least one turning tool movable in the same direction as the rotating axis of the work...
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7198547 |
Lens edger
A lens edger which is capable of measuring the curvature of an eyeglass lens is disclosed. The lens edger includes a carriage which rotatably fixes a pair of lens fixing shafts and moves the...
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7189147 |
Lens layout block device
This apparatus includes a unit for adhering an elastic seal to a lens holder, a unit for causing the lens holder, to which the elastic seal is adhered, to hold a lens, a pivotal arm, an arm driving...
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7187859 |
Method and apparatus for manufacturing contact lenses
The present invention is directed towards adhering a contact lens button on a fixture for use in shaping, forming and/or otherwise configuring a contact lens. For example, in accordance with one...
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7169026 |
End face polishing apparatus
An end face polishing apparatus has a jig plate for supporting at least one workpiece having an end face and a polishing plate mounted for undergoing movement. A polishing member is mounted on the...
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7169013 |
Eyeglass lens processing apparatus
An eyeglass lens processing apparatus includes: a lens rotating unit having lens chucking shafts which hold an eyeglass lens, and a first motor which rotates the chucking shafts; an axis-to-axis...
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7163446 |
Vehicle headlight restoration
A method of restoring a discolored automobile headlight lens without removal of the lens from the automobile consistent with certain embodiments involves wet abrading an outer surface of the lens...
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7150672 |
Cup attaching apparatus
A cup attaching apparatus for attaching a cup, used during processing of an eye glass lens, to the lens, the apparatus includes: a placing portion onto which the lens is placed; a holding portion...
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7140950 |
Fiber polishing apparatus and method for field terminable optical connectors
A method of polishing a remote grip optical connector comprises providing an optical fiber having a stripped terminal end. The fiber is inserted through a connector body and ferrule, where the...
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7128638 |
System and method for ophthalmic lens manufacture
A method and system for the manufacture of ophthalmic lenses comprising a computer ( 102 ) and a CNC machining platform ( 104 ) in operative connection with the computer. The CNC machining platform...
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7125315 |
Method for deciding a bevel curve, method for determining the locus of a bevel, method for processing a lens and apparatus for processing a lens
When a forming a bevel on a lens, the value of the bevel curve is calculated based on the value of the curve of the concave face, a reference axis of the bevel curve is determined to be in the same...
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7125314 |
Eyeglass lens processing apparatus
An eyeglass lens processing apparatus for processing a lens to fit the lens into a rim, includes: an edge measurement portion that measures a path of an edge position of the chucked lens based on a...
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7121931 |
Lens production method and process
A method for processing a first optical face and a second optical face of a lens, where a lens blank is positioned and gripped by a gripping device relying on reference datum indications rendering...
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7118449 |
Method of manufacturing an optical element
A method of manufacturing an optical element having an optical surface extending close to a periphery of a substrate comprises: providing a substrate having a main surface extending beyond a...
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7108590 |
Draining device and lens processing system having the same
A draining device for removing processing water attached to a lens includes: a first lens holding shaft to which a cup attached to a refractive surface of the lens as a processing jig can be...
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7097305 |
Method of producing a corrective spectacle lens and lens blank used for same
A method for manufacturing a correctable lens for glasses from an injectable thermo-plastic polymer material, or other moldable polymer, includes the step of molding a polymer blank provided with...
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7090559 |
Ophthalmic lens manufacturing system
A tool for gripping ophthalmic lenses including a vacuum gripper, a shaft associated with said vacuum gripper, the shaft having two ends and being slidably attached at one end thereof to a support...
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7083499 |
Method for deciding a bevel curve, method for determining the locus of a bevel, method for processing a lens and apparatus for processing a lens
When a forming a bevel on a lens, the value of the bevel curve is calculated based on the value of the curve of the concave face, a reference axis of the bevel curve is determined to be in the same...
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