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Class 451/42 - Lens


Subclass of Class 451 - Abrading
Definition: Method for grinding a member intended to transmit and refract
No. of patents: 375
Last issue date: 07/26/2011


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NumberTitleIssue Date
7985123Adhesive tape for fixing lens and method for processing lens using the same
An adhesive tape, interposed between a lens to be processed and a holding jig when the lens is mounted in a lens processing machine, which has a plastic foam with holes opening in an adhering surface and an adhesive layer formed on the adhering surface of the plasti...
07/26/2011
7833089Optical lens preform, optical lens, and method of making 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 comprises a first curved portion which serves as an optically functioning par...
11/16/2010
7833090Method of manufacturing ferrule assemblies
A method of manufacturing a ferrule assembly. The method including first and second polishing operations. The first polishing operation including polishing only the end face of a ferrule of an assembly. The second polishing operation including polishing only the opt...
11/16/2010
7503834Apparatus 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 tool being provided along a common axis, one behind another, with a fir...
03/17/2009
7500903Polishing 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 of the balloon member. The fluid supply portion supplies a fluid into ...
03/10/2009
7467988Slurry 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 dispersion of abrasive particles and a pyrrolidone compound. The abrasive ...
12/23/2008
7438775Lens layout block device
A lens layout block device comprising a seal feeding device that supplies an elastic seal to a seal sticking position (A5). The elastic seal is loaded in a tape loading part in the form of a seal tape covered by a mount and a protective sheet and wound in a r...
10/21/2008
7440814Method 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 special, predetermined geometry is cut with the tool and the...
10/21/2008
7424773Eyeglass 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 that detects whether or not the hole forming tool is broken. ...
09/16/2008
7413502Method 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 surface geometry and surface quality of the front faces of the lens are ...
08/19/2008
7413503Elastic 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 whose shape can be changed according to the surface to be polished; and...
08/19/2008
7407432Lens 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 with a predetermined space on a surface; a position adjusting device fo...
08/05/2008
7396275Polishing 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 a door...
07/08/2008
7392108Method 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 groove in a peripheral edge of the lens blank are provided. A central proc...
06/24/2008
7371154Dual ophthalmic lens machining platform and simultaneous ophthalmic lens manufacturing method
A dual ophthalmic lens machining platform comprises a blocked lens mounting structure constructed to simultaneously receive a first and a second blocked lens blank, and configured to rotationally and linearly move each lens blank, wherein the first and second lens b...
05/13/2008
7369238Lens 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 first and second positions, a first mirror mounted on the carriage first ...
05/06/2008
7338346Method and apparatus for producing optical glasses
The invention relates to a method and an apparatus for producing optical glasses. The glasses are polished and marked, following a shaping process. The polishing and marking steps are carried out in a common processing cell which comprises a polishing station, a was...
03/04/2008
7338347Spectacle-lens edging machine
The invention relates to a grinding machine for the edges of spectacles lenses, comprising at least one grindstone and one driven shaft for holding the spectacles lenses, said shaft being able to move radially and axially relatively to the grindstone. The inventive ...
03/04/2008
7338558Fixing 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 invention provides a blocking apparatus and a blocking method for automatical...
03/04/2008
7334313Numeric 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) according to a first axis (7) (first ...
02/26/2008
7326104Apparatus for holding lenses and method for use thereof
An apparatus for holding a plurality of lenses, including: a block having a mounting surface; a cavity defined in the block at the mounting surface; and a through hole defined in the block, the through hole being in communication with the cavity, wherein the mountin...
02/05/2008
7326105Retaining rings, and associated planarizing apparatuses, and related methods for planarizing micro-device workpieces
Retaining rings and associated planarizing apparatuses, and related methods for planarizing micro-device workpieces are disclosed herein. A carrier head configured in accordance with one embodiment of the invention can be used to retain a micro-device workpiece duri...
02/05/2008
7322877Production 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 comprises a first curved portion which serves as an optically functioning par...
01/29/2008
7322082Eyeglass lens processing apparatus
An eyeglass lens processing apparatus for processing a periphery of an eyeglass lens, the apparatus includes: a lens chuck shaft that holds and rotates the lens; an end mill that processes the periphery of the lens; an end mill tilting unit that varies a tilt of the...
01/29/2008
7308745Method and device for edge-machining of a plastic optical lens and a combination tool therefor
An edge-machining device in particular plastic spectacle lenses (L) has two aligned holding shafts (14, 16) rotatable with a controlled angle of rotation (φB) about a rotational axis of a workpiece (B) between which the lens may be clamped and a t...
12/18/2007
7303600Unexpanded 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 fracturing of the grains as a function of an abrasive force applied t...
12/04/2007
7303463Semiconductor wafer polishing apparatus, and method of polishing semiconductor wafer
Aimed at thoroughly preventing abrasive and dusts from adhering onto the circuit-forming region of a wafer, improving yield ratio of semiconductor devices, and thereby improving operation rates of the individual manufacturing apparatuses in the succeeding stage, a s...
12/04/2007
7294044Slurry 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 dispersion of abrasive particles and a pyrrolidone compound. The abrasive ...
11/13/2007
7295886Target lens shape measuring apparatus, eyeglass lens processing system having the same, and eyeglass lens processing method
A method of processing an eyeglass lens includes: a first step of obtaining an actual three-dimensional target lens shape from a rim of an eyeglass frame; a second step of obtaining a circumferential length of the actual three-dimensional target lens shape and a two...
11/13/2007
7285233Method of manufacturing polishing pad
A method of manufacturing a polishing pad is described. A mold having a mold cavity therein is provided. At least a strip is buried in the mold. A polymer foam material is injected into the mold cavity of the mold. The polymer foam material is cured to mold the poly...
10/23/2007
7278906Adhesive 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 measurement of an adhesive strength of the adhesive face is 4 gf (0.0392...
10/09/2007
7278908Polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular
A polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular is disclosed, which comprises a support body, to which a foam layer is attached, wherein a polishing film bears against the foam layer. The polishing fi...
10/09/2007
7255634Draining 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 fitted; and a rotating unit which rotates the first lens holding shaft to r...
08/14/2007
7242537Holding and positioning apparatus for an optical element
In a holding and positioning apparatus for an optical element, the optical element is mounted in a mounting ring and the mounting ring is mounted via at least one manipulator unit. The manipulator unit has a linear actuating element. The manipulator unit has a manip...
07/10/2007
7234938Milling/grinding machine for the manufacture of dental-medical workpieces
The invention relates to a milling/grinding machine for the manufacture of dental-medical or dental-technical workpieces, having a workpiece receiver (3) and a tool (7) which can be moved, with respect to a workpiece (1) arranged in the workpiec...
06/26/2007
7220168Processes 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 end surface 3 of the base body 2. U...
05/22/2007
7217174Portable optical fiber polisher
A polisher has an offset axis and a friction cam useful in a method of polishing that comprises a more random, elongated polishing pattern than known orbital polishers and is capable of portable use using a 9 volt battery. The method is capable of using lower contac...
05/15/2007
7217176Polishing tool with several pressure zones
The invention refers to a polishing tool for optical lenses with at least one polishing pad adaptable at least partially to the shape of a lens surface of said lenses and drivable by means of a drive shaft, said polishing pad having a membrane, wherein said polishin...
05/15/2007
7210983Apparatus 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 (10) is provided. The grinding wheel has a rotating...
05/01/2007
7207863Aspheric-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 and is also movable in a direction perpendicular to the rotating axi...
04/24/2007
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