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| Number | Title | Issue Date |
| 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 a door... | 07/08/2008 |
| 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 measurement of an adhesive strength of the adhesive face is 4 gf (0.0392... | 10/09/2007 |
| 7217174 | Portable 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 |
| 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 position of the lens fixing shafts clamping a lens to be processed; a lens ... | 04/03/2007 |
| 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 the surface to be processed. The processing tool, for processing the... | 10/04/2005 |
| 6913510 | Lens stocking device and lens processing system having the same A lens processing system (1) includes a lens stocking device (400a; 400b) capable of stocking a plurality of lenses (LE); and a lens grinding device (100a; 100b); and a lens conveying device (200)... | 07/05/2005 |
| 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 fixture and that inclines the back surface of the optical flat throug... | 02/15/2005 |
| 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 disk and a support disk. The scanning is performed by a scanning arra... | 08/31/2004 |
| 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 fixing bases. A middle section of the machine platform has an i... | 01/27/2004 |
| 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. The lens assembly sheets are then arranged on holding surfac... | 10/21/2003 |
| 6599171 | Cup attaching apparatus A cup attaching apparatus for attaching a cup for eyeglass lens processing to a subject lens to be processed, includes: an imaging optical system, which obtains an image of the lens by illuminating the lens with rays of light shaped to be larger in diamet... | 07/29/2003 |
| 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 spectacle-lens holding shaft which holds the spectacle lens and a ma... | 06/17/2003 |
| 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 displaceable tool spindle and a yoke with workpiece holdi... | 05/28/2002 |
| 6220929 | Eyeglass lens grinding apparatus An eyeglass lens grinding apparatus for grinding a periphery of a lens. Lens rotating shafts holds and rotates the lens. A lens rotating device rotates the lens rotating shafts. The lens rotating device includes a motor and a transmission member that tran... | 04/24/2001 |
| 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 element, a lower grinding element rotatably mounted relative... | 07/11/2000 |
| 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 grinding ophthalmic lenses which employs the grinding wheel.... | 09/14/1999 |
| 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 layout of the lens is determined based on the frame config... | 04/06/1999 |
| 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, the diffuse light having a diffusivity of between 30° and ... | 10/06/1998 |
| 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 rotating and moving the lens (LE) toward and away from the grin... | 07/07/1998 |
| 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 finish on the optical surface of the lens. The process allows... | 01/27/1998 |
| 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 the mechanical patterns to control the edge grinding of a le... | 11/04/1997 |
| 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 of lenses interconnected by a bridge specifically dimensio... | 10/07/1997 |
| 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, auxiliary spring arrangements between it and the carriage ... | 02/25/1997 |
| 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 rotation axis of the grinding wheel. A support spindle is rota... | 10/08/1996 |
| 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 grinding machine. As the corrective lens is being ground, t... | 07/23/1996 |
| 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 centering the eyeglasses or sunglasses.... | 07/11/1995 |
| 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 positioning the eyeglasses on the first holder. A second loc... | 06/13/1995 |
| 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 with the latter stationary. The support shaft is rotated ste... | 03/21/1995 |
| 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 with and perpendicular to a shaft (5) carrying at least on... | 12/13/1994 |
| 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 the eyeglass lens or to bevel the edge of the eyeglass lens ... | 11/15/1994 |
| 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 measured. The improvement of the invention provides an appa... | 08/02/1994 |
| 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 simultaneously rotated with a driven shaft through 360 deg... | 07/05/1994 |
| 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 grinding wheels for edge trimming (4) and bevelling, and a fol... | 06/21/1994 |
| 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 and the other side surface of the block being of concave ... | 05/03/1994 |
| 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 includes a holding device for guiding the eyeglasses frame in the... | 07/20/1993 |
| 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 to the first axis. A cutter is operably associatable with t... | 06/08/1993 |
| 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) to produce patterned blanks either identically or proportio... | 11/24/1992 |
| 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 of a microprocessor (18) controlling a shifting device (1... | 11/10/1992 |
| 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 lens pattern. A cutter is operably associated with the ch... | 10/27/1992 |
| 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 uncut lens before the lens is subjected to a grinding treatm... | 10/20/1992 |
