Matches 1 - 50 out of 134 1 2 3 >
Match Document Document Title
7591710 Polishing machine comprising a work chamber and a platform  
A polishing machine for optical elements, comprising: a spindle arranged to rotationally drive an optical element; a polishing tool mobile relative to the spindle; wherein the polishing...
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...
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...
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...
6951500 Workpiece-surface processing head  
A workpiece-surface processing head has at least one processing tool which comes into contact with the surface to be processed and whose longitudinal axis is oriented essentially perpendicularly to...
6913510 Lens stocking device and lens processing system having the same  
A lens processing system ( 1 ) includes a lens stocking device ( 400 a ; 400 b ) capable of stocking a plurality of lenses (LE); and a lens grinding device ( 100 a ; 100 b ); and a lens conveying...
6855036 Part-holding fixture for grinding wedged optical flats  
A part-holding fixture is adapted for rotation about a work spindle axis and includes a mounting land that seals a back surface of an optical flat for securing the optical flat to the part-holding...
6785585 Method for marking or drilling holes in glass lenses and device for realizing the same  
To at least one of mark and drill holes in a workpiece spectacle lens, a position of bores of a lens template is scanned, in which the template includes one of a template spectacle lens, a pattern...
6682397 Machining device for processing metal hanging rod of blinds  
A machining device for processing metal hanging rod of blinds having a machine platform, two fixing bases, and a retaining unit. A top of the machine platform has a holding groove for the two...
6634933 Method, jig, and apparatus for machining rod lenses  
A rod lens manufacturing method having satisfactory machining accuracy and enabling mass production. In the method, lens assembly sheets, each holding at least a row of rod lenses, are prepared....
6579155 Method and apparatus for form machining the peripheral edge of spectacle lenses  
The invention relates to a method and a device for machining the peripheral edge of spectacle lenses and for optionally applying a subsequent facet thereto. The device comprises a driven...
6394892 Device for machining optical workpieces  
A very versatile device is proposed for high-precision machining of optical workpieces, in particular optical lenses, which comprises a horizontally displaceable gantry with at least one vertically...
6086463 Tester with interchangeable inserts for grinding wheels  
An apparatus for grinding edges of rigid materials including a support member, an upper grinding element rotatably mounted relative to the support member, a bearing affixed to the upper grinding...
5951381 Grinding wheel for ophthalmic glasses and corresponding grinding machine  
A diamond-charged abrasive layer (3) of a grinding wheel has a convex profile over at least part of its length (L) in order to have greater resistance to wear. Also provided is a machine for...
5890949 Eyeglass lens grinding machine  
An eyeglass lens grinding machine for processing lenses to be fitted in an eyeglass frame. Frame configurational data of an eyeglass frame and layout data of a lens are input to the machine, and a...
5818573 Opthalmic lens inspection system  
An ophthalmic lens inspection system includes an illumination assembly which generates diffuse light and transmits the diffuse light through an ophthalmic lens disposed in an inspection position,...
5775973 Method and apparatus for grinding the rim of a lens  
A method of processing the rim of a lens is provided which includes the step of grinding the rim of a lens (LE) with a grindstone (6) so as to fit the configuration of an eyeglass frame while...
5711700 Process to edge and polish polycarbonate and CR 39 lenses with diamond wheels  
A process and apparatus for edging and polishing an ophthalmic lens is provided whereby an edge of a polycarbonate ophthalmic lens is polished to a high luster finish substantially equal to the...
5683288 Patternless edger apparatus for ophthalmic lens grinders  
A patternless edger apparatus is described which is mountable on mechanical pattern ophthalmic lens grinders. The apparatus has a mounting yoke adapted for mounting the apparatus in the place of...
5674113 Clip-on sunglasses and system for cutting clip-on sunglasses  
Clip-on sunglasses and an apparatus for custom cutting the clip-on sunglasses. The system includes a holder which assists in positioning the sunglasses on the system. The sunglasses include a pair...
5605498 Machine for trimming eyeglass lenses  
An eyeglass lens trimming machine includes spring arrangements operative between a carriage and a chassis to urge the carriage towards an associated feeler. The feeler being mobile on the chassis,...
5562527 Grinding machine for grinding eyeglass lenses  
A grinding machine for grinding eyeglass lenses includes at least one grinding wheel rotatably mounted on a chassis. A carriage is pivoted to the chassis to pivot about an axis parallel to the...
5538459 Process for measuring forward and rearward three-dimensional curves and thickness of a corrective lens  
A process for measuring forward and rearward three-dimensional curves and the thickness at the circumference of a contour-ground eyeglass lens by means of a computer-controlled eyeglass lens edge...
5431595 System for cutting clip-on sunglasses  
An apparatus for custom cutting clip-on sunglasses includes a stop which assists in positioning the eyeglasses or sunglasses on the holder. A centerer is associated with said apparatus for...
5423712 Cutter for clip-on sunglasses  
An apparatus for custom cutting clip-on sunglasses includes a first holder for securely holding eyeglasses and a second holder for securely holding clip-on sunglasses. A first locator assists in...
5398460 Method for checking that lenses to be fitted to an eyeglass frame match the contour of the rims or surrounds of the frame  
A method of checking that a lens suits an eyeglass frame uses the lens grinding machine itself. The lens to be ground is mounted on a support shaft and moved into contact with the grinding wheel...
5371974 Automatic machine for grinding and bevelling ophthalmic glasses  
The invention provides a machine for grinding and bevelling ophthalmic glasses of the type comprising a carriage (1) mounted to be movable in translation and in oscillation in a direction parallel...
5363597 Eyelgass lens edging machine  
Eyeglass lens edging machine with coaxial shaft halves to hold and rotate an eyeglass lens, an edging tool located radially to the eyeglass lens to form a notch or groove at the circumference of...
5333412 Apparatus for and method of obtaining processing information for fitting lenses in eyeglasses frame and eyeglasses grinding machine  
An eyeglass grinding machine of the present invention measures three-dimensional information on the configuration of an eyeglass frame so as to process lenses on the basis of the information thus...
5325840 Watch crystal cutting machine  
A pattern holding assembly and a crystal material holding assembly are paired on opposed ends of a shaft passing transversely through a base unit such that the pattern and the crystal material are...
5321915 Machines for grinding and bevelling opthalmic lenses  
Machine for grinding and bevelling ophthalmic lenses of the type comprising a carriage movable in translation and in oscillation in directions parallel to and perpendicular to a shaft carrying...
5307592 Lens surface former and polishing tool  
A lens surface former and polishing tool of one-piece construction and made, for example, of aluminium, aluminium alloy or a zinc-based alloy with one side surface of the block being of convex form...
5228242 Eyeglasses frame tracing device  
An eyeglasses frame tracing device provided in an eyeglass lens polishing machine for the purpose of obtaining processing data needed for fitting lenses into an eyeglasses frame. The device...
5217335 Plastic lens generator and method  
The generator for plastic lenses comprises a rotatable chuck for rotating an optical lens blank on a first axis. A drive system displaces the chuck and thereby the lens blank generally transverse...
5165202 Methods and apparatus for making spectacle frame lens patterns  
Apparatus and methods for making spectacle lens patterns are disclosed. The apparatus uses a router (or similar) bit, a spring-loaded, adjustable follower, and an existing lens (or pre-cut model)...
5161333 Device for recalibrating a machine for grinding ophthalmic glasses  
In a method employed by the device, the distance between a shaft (14) of a grinding wheel (13) and a shaft (5) carrying a finished glass (7) in contact with the grinding wheel, is measured by means...
5158422 Method and apparatus for shaping and finishing lenses  
The preferred embodiment is directed to a lens shaper and finisher which can readily accommodate large sized lens blanks. The preferred embodiment includes a chuck for supporting a lens blank and a...
5155940 Apparatus for judging whether an uncut lens should be machined or not and lens grinding machine having the same  
An apparatus for judging whether or not an uncut lens should be machined is provided. The apparatus judges whether or not a lens having a desired lens frame configuration can be obtained from an...
5148637 Lens edging system with programmable feed and speed control  
A computer numerical control machine system for edging lenses controls the rotation and displacement of a lens workpiece with respect to a edging tool in accordance with a lens shape stored in...
5139373 Optical lens pattern making system and method  
A system and related method or process for producing a pattern for a lens to be formed and then placed in an opening in an eyeglass frame utilizes a frame tracing apparatus for providing coordinate...
5080482 Lens alignment and positioning method and apparatus  
A method and apparatus for aligning and positioning a lens such that the optical and/or cylinder axis of the lens is precisely aligned with a fixture for the purpose of assembly or further...
5053971 Method and apparatus for edging an optical lens  
A three axis, computer controlled apparatus for edging optical lenses maps the surfaces of a lens blank along a path defining the shape of the lens to be cut from the lens blank and from which...
5027561 Pattern simulator for use with a grinding machine, in particular a machine for grinding eyeglass lenses  
A pattern simulator is for use with a grinding machine, especially a machine for grinding eyeglass frames, the machine comprising a grinding wheel support shaft, a pattern support shaft coplanar...
5022187 Device for regulating the grinding weight for an ophthalmic glass grinding machine  
The device is of the type comprising a carriage slidably and pivotally mounted on a shaft (101), and an arm (102) connected to the carriage and bearing against and slidable along a rail (108)...
4989316 Method and apparatus for making prescription eyeglass lenses  
In a method and apparatus for making a lens for a pair of prescription eyeglasses a lens blank is shaped and finished on one of its major surfaces through the use of a machine controlled by the...
4964239 Machine for grinding the edges of a lens  
A machine for grinding the edges of a spectacle lens, including shaft halves for holding the lens therebetween, a grinding wheel for machining the periphery of the lens, a support for the template...
4945684 Method of and apparatus for processing peripheral edge of lens for spectacles  
A method of and an apparatus for processing a peripheral edge of a lens for spectacles are arranged such that a configuration of a lens frame of a spectacle framework is measured, and the...
4928439 Lens edging machine and method  
A machine for grinding the peripheries of ophthalmic lenses to predetermined outlines is characterized by a head having a rotatable workholder for moving an edge of a lens against a rough grinding...
4912880 Computerized tracing/edging system  
A computerized tracing/edging system for the edging of an ophthalmic lens comprises a tracing sub-system for performing a tracing operation with respect to a frame, a pattern or a lens to derive...
4909679 Plastic lens edge beveler  
A plastic lens shaper and finisher has a bed to which a first frame is mounted for reciprocation along the first axis. A second frame is mounted to the bed for reciprocation along the second axis...
Matches 1 - 50 out of 134 1 2 3 >