Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7335087 | Eyeglass lens processing apparatus An eyeglass lens processing apparatus includes: a controller that controls a second driver for rotating lens chucks for chucking an eyeglass lens and a third driver for changing an axis-to-axis distance between an axis of a processing tool and an axis of the lens ch... | 02/26/2008 |
| 7275979 | Apparatus for treating edges of panels and method An apparatus for treating edge surfaces of panels, comprises conveyor tables to displace panels in sequence, two of the conveyor tables being configured such that panels are sequentially displaced in longitudinal alignment between the two conveyor tables with a long... | 10/02/2007 |
| 7255634 | 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 fitted; and a rotating unit which rotates the first lens holding shaft to r... | 08/14/2007 |
| 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 |
| 7140953 | Apparatus for treating edges of panels and method An apparatus for treating edge surfaces of panels, comprises conveyor tables to displace panels in sequence, two of the conveyor tables being configured such that panels are sequentially displaced in longitudinal alignment between the two conveyor tables with a long... | 11/28/2006 |
| 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 fitted; and a rotating unit which rotates the first lens holding shaft to r... | 09/19/2006 |
| 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 |
| 6908367 | Apparatus for processing a lens An apparatus for processing a lens comprising a rotating tool for chamfering used for chamfering a peripheral portion of a spectacle lens, the apparatus comprising: a holding shaft supporting the lens and a lens-holding unit that rotates the holding shaft and displa... | 06/21/2005 |
| 6902467 | Apparatus for processing a lens and process for processing a lens A apparatus comprises a portion for setting a load 133 which sets the load of pressing a lens to a rotating tool, a portion for setting the rotation speed of a lens shaft 132 which sets the rotation speed and the direction of rotation of a lens-holding... | 06/07/2005 |
| 6902468 | Assembly for machining the edges of spectacle lenses The invention relates to an installation for the machining of the edges of spectacle lenses, comprising at least one CNC-controlled processing machine (1) for machining a spectacle lens, at least one device (3, 4) for determining the optical values, th... | 06/07/2005 |
| 6881130 | Edge grinding A method of positioning a grooved grinding wheel relative to a disc-like circular workpiece for edge grinding the workpiece using the groove in the wheel includes the steps of mounting the workpiece for rotation about a first axis, mounting the grinding wheel for ro... | 04/19/2005 |
| 6881125 | Apparatus for processing a lens An apparatus for processing a lens comprising: a means for supporting a lens that freely displaces towards a tool and comprises a holding shaft supporting the lens so that the lens freely rotates, and a means for detecting an angle that detects a rotation angle of t... | 04/19/2005 |
| 6865787 | Numerical control (NC) processor with onboard grinding unit A numerical control (NC) processor with an onboard grinding unit is disclosed in which a workpiece is first cut in a preselected contour with a Y-axis cutting tool, and then subjected to honing operation intact whereby both the cutting and honing operations can be p... | 03/15/2005 |
| 6848969 | Method and device for treating spectacle glasses by means of a CNC-controlled spectacle glass treatment machine A process of machining spectacle lenses using of a CNC spectacle lens-machining machine is provided. The process includes positioning the rough-cast lens on a holder in the spectacle lens-machining machine, machining an optical surface and/or the edge of the rough-c... | 02/01/2005 |
| 6800017 | Apparatus for processing a lens A lens-holding shaft 41 displaces a lens 1 towards a main rotating tool 50 for processing the peripheral portion of the lens 1. A long hole 115 penetrating a waterproof case 101 is formed in the waterproof case 101 al... | 10/05/2004 |
| 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 |
| 6749925 | Data carrier The invention relates to different methods for distortion-free production of data carriers having at least in partial areas a transparent plastic layer with a surface structure in the form of a lens structure. The surface structure can be produced by cutting method ... | 06/15/2004 |
| 6733369 | Method and apparatus for polishing or lapping an aspherical surface of a work piece An apparatus for polishing or lapping an aspherical surface of a work piece comprises a tool rotatable about an axis, the working surface area of the tool being smaller than the work piece, and an arrangement by means of which the tool and the work piece are adjusta... | 05/11/2004 |
| 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 |
| 6672944 | Initial position setting method for grinding device An initial position setting method for grinding work apparatus includes: a grind stone 11; a pair of lens rotating shafts 14, 14 which are capable of approaching and drawing apart each other along a normal line of the grind stone 11; a ditch excavation gr... | 01/06/2004 |
| 6672948 | Grinding water tank apparatus, and eyeglass lens machining apparatus having the same A grinding water tank apparatus includes a tank for storing grinding water to be used for machining a peripheral edge of an eyeglass lens and recycles the grinding water stored in the tank by circulation. The apparatus further includes an air filter provi... | 01/06/2004 |
| 6648738 | Grinding fluid supply device of lens grinding apparatus Disclosed is a grinding fluid supply device of a lens grinding apparatus. The grinding fluid supply device includes first grinding fluid supply means for supplying a grinding fluid in a tangent direction of a circular grinding wheel, which has a grinding ... | 11/18/2003 |
| 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 |
| 6572460 | Tank unit for grinding water used in processing eyeglass lens, and eyeglass lens processing apparatus having the same A grinding water tank unit which allows grinding water used in processing an eyeglass lens to be reused, has: a water tank for storing the grinding water; and a partition plate for partitioning an interior of the water tank into a drain chamber and a wate... | 06/03/2003 |
| 6544102 | Device for centering clamping of workpieces, in particular optical lenses, for edge machining thereof A device for centering clamping of lenses, comprises two aligned centering spindles, arranged one above the other, with bell clamps. One centering spindle is guided axially in a centering spindle guide and may be moved relative to the other centering spin... | 04/08/2003 |
| 6497614 | Lens periphery edge processing apparatus In a lens periphery edge processing apparatus comprising lens rotating shafts 16, 17 for putting and holding an objective lens therebetween, a carriage 15 rotatable around a pivot, and a grindstone rotating shaft 9 provided with a grindstone 5 for grindin... | 12/24/2002 |
| 6478658 | Apparatus for generating lens surfaces An apparatus for simultaneously machining a plurality of lens blanks to provide a lens surface on each blank corresponding to a selected lens prescription includes a tool support assembly and a lens blank assembly. The tool support assembly movably suppor... | 11/12/2002 |
| 6379215 | Eyeglass lens processing system An eyeglass lens processing system, including: a data input unit, which inputs frame shape data for processing a lens to be fitted to an eyeglass frame and layout data for providing a layout of the lens with respect to a frame shape; a lens processing uni... | 04/30/2002 |
| 6354926 | Parallel alignment method and apparatus for chemical mechanical polishing A parallel alignment device for chemical mechanical polishing using a plurality of carrier devices (123) rotatably coupled to a turret means. The apparatus (100) includes a turret and plurality of rotatable polishing surfaces (111) positioned around the t... | 03/12/2002 |
| 6328635 | Device for the display of engravement shape of eyeglass lens and method and apparatus for machining lens peripheral edge using the display device A lens peripheral edge machining apparatus includes a judging device which judges the type of each of eyeglass lenses on the basis of an edge thickness shape thereof and which classifies the eyeglass lenses into groups, a display which displays the groups... | 12/11/2001 |
| 6283825 | Automatic trimmer machine An automatic trimmer machine for finding the geometrical center of an optic having a non-round periphery, trimming the edge of the optic to a prescribed diameter for each optic, cleaning and drying the optic, and verifying the diameter of the optic. The m... | 09/04/2001 |
| 6227952 | Apparatus for creating a concave surface from a spectacle blank A method for creation of a surface from a rough blank for spectacles is which is suitable for both brittle-hard materials and for plastics uses makes use of a disk-shaped, rotation-symmetrical tool of relatively large diameter, by means of which the mater... | 05/08/2001 |
| 6220927 | Lens grinding apparatus An eyeglass lens grinding apparatus is used for processing an eyeglass lens based on processing data obtained from target lens configuration data indicative of an eyeglass frame shape. In the eyeglass lens grinding apparatus, a lens is rotated while being... | 04/24/2001 |
| 6220926 | Eyeglass lens grinding apparatus An eyeglass lens is designed to permit the operator to preset by himself the conditions for bevel formation in AUTO mode so that he can perform efficient lens processing. The eyeglass lens grinding apparatus includes frame data inputting section for enter... | 04/24/2001 |
| 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 |
| 6168505 | Polishing machine for spectacle lenses A polishing machine for spectacle lense edges has a machine support having a guide column. A grinding wheel is seated on a grinding spindle driven by a drive, wherein the grinding wheel, the grinding spindle, and the drive are arranged on the machine supp... | 01/02/2001 |
| 6106366 | Lens grinder A machine for cutting/grinding ophthalmic lenses has a lens spindle aligned on a vertical longitudinal axis and a tool spindle aligned on an angled axis in relation to the vertical axis. The lens blank is chucked on the upper end of the lens spindle and a... | 08/22/2000 |
| 6099383 | Lens grinding apparatus A lens grinding apparatus is improved to ensure that the angular edge portions of an eyeglass lens are easily ground to a desired shape. The improved lens grinding apparatus includes an input device for entering data on the processing shape of the lens, a... | 08/08/2000 |
