Abstract: Proposed is a flexible cover window for a flexible display, the flexible cover window including: a first window made of glass and provided on an upper part of a first surface of the flexible display; a second window made of glass and provided on an upper part of a second surface of the flexible display; and a folding part provided between the first window and the second window by corresponding to a folding area of the display and filled with a transparent resin material, wherein a transparent resin layer is provided on a total surface of each of the first window and the second window by continuing to the folding part filled with the transparent resin material, and a chamfer part is provided on each of an end part of the first window and an end part of the second window, which are adjacent to the folding part.

Abstract: Disclosed is a method of preparing an operation of surfacing of a lens blank to transform the lens blank into a generated lens having a predetermined prism corresponding to an inclination between a front surface and a back surface of the generated lens at least locally. The method includes: for a plurality of devices destined to interact with the lens blank during the operation of surfacing to manufacture the predetermined prism of the generated lens, attributing a priority order to each; based on the priority order, attributing to each device a prism portion which is zero or included in a respective range delimited by a respective minimum prism portion and a respective maximum prism portion, the prism portion representing contribution of the corresponding device to the prism of the generated lens, for further interaction of each device with the lens blank during the operation of surfacing.

Abstract: A fastener includes a head that is configured to be engaged by a tool, and a shaft extending from the head. The shaft includes a distal end that is opposite from the head. At least one optical component is coupled to one or both of the head or the shaft. The optical component(s) is configured to allow light to pass through the fastener. A window system includes a panel that includes an exterior surface and an interior surface, and the fastener extending between the exterior surface and the interior surface of the panel. A screen is coupled to the interior surface. The screen receives light from the optical component(s) of the fastener.

Abstract: An edge finishing apparatus includes a surface, a fluid delivery device configured to deliver at least one magnetorheological polishing fluid (MPF) ribbon to the at least one well, at least one magnet placed adjacent to the surface to selectively apply a magnetic field in a vicinity of the surface, and at least one holder placed in opposing relation to the surface, the at least one holder being configured to support at least one article such that an edge of the at least one article can be selectively immersed in the MPF ribbon delivered to the at least one well.

Abstract: A method for cutting-out a multi-layer ophthalmic lens (100) following a desired contour (C3), includes: a step of pre-blanking the ophthalmic lens (100) using a preliminary tool (210; 223), according to a preliminary contour (C1, C1?); a step of blanking the ophthalmic lens (100) using a blanking wheel (210), following a blanking contour (C2, C3); and a step of finishing the ophthalmic lens (100) using a finishing tool (212). According to the invention, the preliminary contour (C1, C1?) is larger than the desired contour (C3), and the blanking wheel (210) used has a granulometry of between 0.1 and 0.5 mm and is controlled in relation to the ophthalmic lens (100) so as to apply a radial force of between 0.1 and 5 N to the ophthalmic lens (100) during the blanking step.

Abstract: A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindle and to the polishing tool. The polishing tool is mounted on a body which is rotationally mounted on sliding members by way of a first axis, the sliding members being substantially perpendicular to the front face.

Abstract: A device for finish-machining of the optically effective surfaces of, in particular, spectacle lenses has a spindle shaft, which has a tool mount section and which is mounted in a spindle housing to be rotatable about a workpiece rotational axis (A). An electric rotary drive has a rotor and a stator by which the spindle shaft operatively connected with the rotor is drivable to rotate about the tool rotational axis. An adjusting device axially displaces the tool mount section with respect to the spindle housing in the direction of the tool rotational axis (linear movement Z). The rotor and the stator are arranged coaxially with the spindle shaft, wherein at least the rotor together with the spindle shaft is axially displaceable with respect to the spindle housing in the direction of the tool rotational axis by the adjusting device.

Abstract: 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 machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.

Abstract: In an eyeglass lens processing apparatus for beveling a peripheral edge of an eyeglass lens, if the high curve lens processing mode is selected by the mode selector, a computing unit acquires a high curve bevel path for locating the bevel apex on a front surface curve of the eyeglass lens or for locating the bevel apex at a position shifted by a predetermined quantity from the front surface curve toward the rear side on the basis of the edge position information acquired by the edge position detector, thereby providing high curve beveling data for the rear surface beveling grindstone, or for the front surface and rear surface beveling grindstones; and a beveling controller bevels the peripheral edge of the eyeglass lens by the rear surface beveling grindstone, or by the front surface and rear surface beveling grindstones on the basis of the high curve beveling data.

Abstract: 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 enabling the access to the spindle and to the polishing tool; wherein the polishing tool is mounted on a body which is rotationally mounted on sliding means by way of a first axis, the sliding means being substantially perpendicular to the front face.

Abstract: 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 N) or more when a polyethylene terephthalate plate which has been subjected to a surface treatment with a fluorine-modified silicone parting agent is used as a test plate in an adhesive strength test method based on a 180°-peeling method as defined in JIS Z 0237 “adhesive tape/adhesive sheet test method”. A technique which can be used to edge the lens in which an antifouling layer is formed by using a fluorine-containing silane compound having an excellent antifouling effect is also provided.

Abstract: 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 rotation motor for rotating the lens fixing shafts; a carriage driving means for moving the carriage; and an apparatus for measuring a curvature of the lens.

Abstract: 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 workpieces, can be traversed by means of at least one drive device in a direction (X; Y) running at least approximately perpendicularly to its longitudinal axis.

Abstract: 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) which conveys one of the plurality of lenses between the lens stocking device and the lens grinding device.

Abstract: 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 through a wedge angle for grinding wedged optical flats at repeatable wedge angles.

Abstract: 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 arrangement situated in one of a device for coquilles, a device to cut support disks for spectacle frames, and a spectacle lens edging machine. Data is acquired concerning the position of the bores in accordance with the scanning, and is then fed to a computer. The data includes at least one of rectangular and polar coordinates of the position of the bores. At least one of marking and drilling the holes in the workpiece spectacle lens is performed using a Computer-Numeric-Controlled device in accordance with the data concerning the position of the bores.

Abstract: 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 internally threaded hole for a reversible bolt of a motor. A bottom of the machine platform has a registration groove for the retaining unit to be guided via bearings. The fixing bases, each having a spring and a tapered pivot support, are adjustable to fit the length of a metal hanging rod. A sand wheel, contacting the metal hanging rod at one point and turned on to vibrate said springs, cuts out an interlaced wavy pattern on a periphery of the metal hanging rod. Alternatively, two concentric sand wheels form two contact points, producing double-layered interlaced wavy pattern on the metal hanging rod.

Abstract: 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 surfaces defined on a jig. The holding surfaces are inclined relative to a reference surface of the jig by a predetermined angle. Each of the lens assembly sheet is clamped so that optical axes of the rod lenses are inclined relative to a direction perpendicular to the reference surface by that predetermined angle. The lens assembly sheets are then ground and polished.

Abstract: 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, the optical focus, the axis position of a cylindrical or prismatic polish, the position of the near portion and/or the position of a progression channel of a spectacle lens (6) that is configured as a continuous vision lens. The installation also comprises at least one handling device (9) for removing blanks (6) from a conveyer device (8), for inserting a blank into the device, for removing said blank from said device, for introducing a blank into a respective processing machine, for removing a finished machined spectacle lens from the respective processing machine (1) and for replacing said lens on the conveyer device (8).

Abstract: 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 diameter than the lens; a display; a display control unit, which displays, on the display, the obtained lens image and an alignment mark superimposed on the obtained lens image, the alignment mark having substantially the same contour as a small lens portion of a bifocal lens; a first input unit, which inputs an amount of offset of the alignment mark with respect to a cup attachment center; and a second input unit, which inputs layout data for layout of the lens with respect to a target lens shape, wherein the display control unit determines a display position of the alignment mark based on the inputted offset amount and layout data, and displays the alignment mark at the determined display position on the display.

Abstract: 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 machining tool which can be moved in a controlled manner in relation to the spectacle-lens holding shaft. The torque of the spectacle-lens holding shaft is measured and said holding shaft is driven at a constant rotational speed if and for the length of time that the torque is less than or equal to a predetermined value. The torque of the spectacle-lens holding shaft is decreased optionally to a standstill if and for the length of time that the torque exceeds the predetermined value.

Abstract: 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 holding means mounted so as to be rotatable about a swivel axis by means of journals fitted on both sides. For swivelling of the yoke without gearing and therefore without backlash, a torque motor is provided concentrically to the swivel axis, which motor is directly connected actively with one of the journals.

Abstract: 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 transmits rotational force of the motor to the lens rotating shafts. An abrasive wheel rotating shaft rotates at least one lens grinding abrasive wheel. An abrasive wheel rotating device rotates the abrasive wheel rotating shaft. The abrasive wheel rotating device includes a motor and a transmission member that transmits rotational force of the motor to the abrasive wheel rotating shaft. A moving device relatively moves the lens rotating shafts with respect to the abrasive wheel rotating shaft to thereby vary an axis-to-axis distance between the each of the lens rotating shafts and the abrasive wheel rotating shaft. The moving device includes a moving motor.

Abstract: 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 to the support member, and an insert element removably affixed around the bearing and interposed between the support member and one of the upper and lower grinding elements. The insert element is of an annular configuration and has an outer diameter less than an outermost diameter of the grinding elements. The insert element is interchangeable with various other insert elements.

Abstract: 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.

Abstract: 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 configurational data and the layout data. An edge position of the lens in the thickness direction is obtained based on the determined layout, and lens processing data is computed based on the layout and the edge position. An insufficiency in the diameter of the lens relative to the lens processing data is detected. A predetermined reference range relative to the insufficiency is set, and a judgement is made as to whether or not the insufficiency is within the predetermined reference range. A processing command signal is entered based on the result of this judgement. When the insufficiency is detected and the processing command is entered despite the insufficiency, a grinding operation is performed with the insufficiency left, based on the lens processing data.

Abstract: 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.degree. and 50.degree.. An imaging assembly generates a set of signals representing selected portions of the diffuse light transmitted through the ophthalmic lens in the inspection position. A moving mechanism supports the imaging and illumination assemblies for common movement relative to the contact lens, to bring a reference point into alignment with the center of the imaging assembly.

Abstract: 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 grindstone (6) at intervals of a rotational angle (n.DELTA..theta.) in accordance with lens processing data (.rho.n, n.DELTA..theta.) which have been measured by a configuration measuring portion (46). The method further includes the steps of, in accordance with the data (.rho.n, n.DELTA..theta.) and the radius of curvature of the grindstone (6), obtaining a displacement angle (d.theta.n) between an assumed processing point at a radius vector (.rho.n) of the rotational angle (n.DELTA..theta.)?n=0, 1, 2, 3, . . . i! and a true processing point where the lens (LE) comes into contact with the grindstone (6) at the rotational angle (n.DELTA..theta.), and lowering a rotational angular speed of the lens (LE) at an angular interval (n) between (n-1.DELTA..theta.

Abstract: 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 the use of one machine for processing of all common ophthalmic lens materials such as polycarbonate, CR 39 or glass, whereby the lens may be edged and polished with one machine. The process of the invention comprises the steps of roughing a polycarbonate lens substantially without coolant and passing a polishing wheel of the present invention over the surface of the lens substantially without coolant and then passing the polishing wheel over the surface of the lens with the use of coolant for at least one pass over the portion of the lens edge to be polished. A single abrasive wheel is used for machine polishing of the lens edge.

Abstract: 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 lens blank. The mounting yoke includes a rotative spindle mount to interlock with the grinder pattern chuck and a mounting shaft releasably receivable in the spring clip bore of such lens grinders. A stored lens pattern and signalling from a grinder spindle rotational angle transducer are acted on by a microprocessor to control a motorized cam operative on the grinder pattern reaction surface to control the grinder to grind a lens blank to a perimeter shape corresponding to the stored lens pattern.

Abstract: 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 dimensioned to be received by the holder. The bridge and holder are intended to be used in combination to produce custom clip-on sunglasses which can form in shape and size to the frame of the eyeglasses.

Abstract: 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 also urge the carriage towards the feeler.

Abstract: 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 rotatably mounted on the carriage to rotate about an axis also parallel to the rotation axis of the grinding wheel and which is adapted to receive axially the lens to be ground and a template. A feeler in vertical alignment with the template is mounted on the chassis so that it is movable transversely relative to the pivot axis of the carriage. The feeler comprises a rigid pad and a tactile sensor appropriately attached to the rigid pad, at the surface thereof.

Abstract: 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, the rotation of the corrective lens is interrupted when a measurement point is reached, and the corrective lens is shifted axially relative to the grinding disk away from the center section and toward the edges of the grinding disk until the forward and rearward edges at the circumference of the corrective lens touch the tracing device. The path or the time consumed in moving from the center section to the point of contact with the tracing device is recorded, and the measured values are stored in the computer, the shaft halves holding the corrective lens rotate further, until the next measurement point is reached, when a measurement is again taken.

Abstract: 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.

Abstract: 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 locator is used for positioning the sunglasses on the second holder. A support carries a guide for tracing the perimeter of the eyeglasses and a cutter for cutting the clip-on sunglasses. To custom cut the clip-on sunglasses, the eyeglasses are positioned on the holder and each lens of the eyeglasses is marked at a point aligned with a respective locator on the holder. The clip-on sunglasses are then clipped onto the eyeglasses, and the points on the sunglasses positioned over the marks on the eyeglasses are marked. The clip-on sunglasses are then positioned on a second holder. The guide is then moved around the perimeter of the eyeglasses. The cutter moves with the guide such that the cutter cuts the sunglasses into the shape of the eyeglasses.

Abstract: 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 stepwise until the lens to be ground has rotated through one complete turn. A check is carried out to determine whether a feeler associated with a template is operated thereby during such rotation. The invention finds an application in grinding machines used to trim eyeglass lenses.

Abstract: 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 one grinding wheel (4, 4A), and means for measuring the distance (L1) between the plane (PO) tangent to the pole (0) of the convex face of the glass (3) and the edge of the convex face, characterized in that the measuring means comprise means defining a reference surface (S) which is connected to move axially in translation with the grinding wheel, extends in a radial plane perpendicular to the axis of rotation of the grinding wheel and with which at least one point of the edge (A) of the convex face of the glass (3) is brought into contact by a movement in translation of the carriage (1), a sensor (18) for measuring the movements in translation of the carriage (1) relative to the grinding wheel (4) and means (12) for analyzing and processing signals from the s

Abstract: 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 contour and a device for controlled radial and for controlled or unconstrained axial guidance of the edging tool in accordance with the contour of the eyeglass lens and its three dimensional curve.