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JP5078881B2 |
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JP5080300B2 |
The device (1) has a moving mechanism (10) including a spindle (41) that is rotatably connected with a retaining element (31) at an axis (41a). The axis is oriented parallel to a Y-axis that is perpendicular to a plane. Another spindle (...
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JP5074015B2 |
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JP2012213821A |
To provide a means for adjusting prism operation without impairing the exterior appearance of a spectacle lens.A method for manufacturing a spectacle lens includes steps for: cutting off part of at least one surface of a spectacle lens b...
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JP2012213822A |
To provide a means for adjusting a prism action without impairing the use feeling of a spectacle lens.This spectacle lens manufacturing method is characterized by including a process for performing slab-off processing which adjusts the p...
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JP5065739B2 |
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JP5060490B2 |
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...
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JP5059463B2 |
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JP5053653B2 |
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JP5048018B2 |
The present invention involves the prescribing and/or dispensing ophthalmic lenses, such as progressive addition lenses, for a wearer. In one form of the invention lens usage information is obtained from a wearer and entered into a progr...
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JP5039129B2 |
The optical surface of a lens (21) held and rotated by the rotating shaft (12) of a lathe is cut or ground into an aspherical surface from a direction perpendicular to the axis of the rotating shaft (12) and the axial direction of the ro...
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JPWO2010110271A1 |
To provide a method for reducing unpolished residue during polishing in a lens having a convex shape having a different radius of curvature depending on a position. A lens reference surface (S1) orthogonal to the edge surface of a lens s...
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JP2012522276A |
Complete ophthalmic lenses and corresponding methods. A finished surgical lens with concave and convex surfaces as well as an outer circumference (1), defined by a thickness within a predetermined range and a machined surface according t...
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JP5028140B2 |
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JP5025374B2 |
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JP5021996B2 |
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JP5009356B2 |
Jet-induced finishing of a substrate surface includes means for covering the surface with an abrasive liquid slurry and means for impinging a jet of fluid, either a gas or a liquid, against the slurry to create a high-shear work zone on ...
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JP4996039B2 |
The present invention involves the prescribing and/or dispensing ophthalmic lenses, such as progressive addition lenses, for a wearer. In one form of the invention lens usage information is obtained from a wearer and entered into a progr...
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JP4996964B2 |
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JP4945771B2 |
A polishing plate (3) linked to a rotating drive shaft (7) is hinged on this shaft without rotating. This hinged connection allows the polishing plate to rotate and simultaneously follow the surface (41) of a workpiece (39) to be polishe...
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JP4930984B2 |
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JP4927487B2 |
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JP4927438B2 |
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JP2012081581A |
To provide an air supply method for a polishing jig, reducing a manufacturing cost of an air injection device, while keeping high sealability.The method includes a connection step to insert an injection port member 4 having a sealing mem...
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JP2012081538A |
To provide an optical-element holding device or the like that facilitates replacement of optical elements, in a device for grinding and polishing optical elements.The optical-element holding device includes: an optical-element holding to...
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JP2012081580A |
To provide an air injection device for a polishing jig, which has high sealability, is not likely to come off from a body of an injection port member, and is provided with an inexpensive sealing member.The device is provided with the inj...
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JP4922393B2 |
A lens holder (8) includes a metal holder main body (12) and an elastic member (14) which holds the processing center portion (13) of a processing target lens (7). The holder main body (12) has a fitting hole (20) formed at a front surfa...
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JP4920285B2 |
A cup attaching apparatus (1) for attaching a cup (CU) to an eyeglass lens (LE), comprises: a lens mount (100) on which the lens is to be mounted; at least three support pins (120) provided on the lens mount to support the lens when a re...
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JP2012045676A |
To provide a jig for holding a lens, which can fixedly hold a lens accurately irrespective of the diameter and the thickness of the lens, and also can readily attach and detach the lens without causing a damage to the lens.The jig for ho...
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JP2012030311A |
To provide a spherical surface grinding method and a spherical surface grinding device capable of shortening a processing time in following processes and further reducing the number of processes by improving a quality requirement, specif...
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JP2012011500A |
To provide a polishing apparatus that rotates a tubular polishing tool to be brought into pressure-contact with a workpiece for polishing the workpiece while discharging the polishing liquid, and prevents the accuracy of polishing amount...
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JP4851713B2 |
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JP4846125B2 |
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JP4843539B2 |
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JP4829790B2 |
For manufacturing ophthalmic lenses and other optical form bodies made of plastic material, plastic form parts are used which are made by non-cutting shaping and are then further worked by mechanical production steps. Said plastic form p...
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JP4828765B2 |
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JP4827619B2 |
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JP2011235424A |
To propose a dish-shaped diamond grindstone by which the prescribed amount of a spherical lens can be ground in a short time and the spherical lens can be ground to have prescribed surface roughness so that the stock removal rate at the ...
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JP4823065B2 |
A manufacturing method of a spectacle lens improving a manufacturing yield and a production efficiency is provided. The manufacturing method of the spectacle lens in which necessary information for a frame machining of a spectacle lens (...
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JP2011230201A |
To provide a method of manufacturing a glass optical element capable of restraining the occurrence of a surface flaw and a latent flaw, by shortening polishing time.By applying a first polishing process of polishing a surface of a lens b...
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JP4814430B2 |
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JP4814884B2 |
A polishing tool (1) for finishing an ophthalmic lens includes a drive plate (4) which is equipped with elements (2) for mounting same to the spindle of a polishing machine; a removable polishing pad (5) designed to be rotated by the dri...
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JP2011227523A |
To manufacture easily at low cost optical lenses that correct aberration equal to or higher than three, which could not be corrected with conventional lenses, considering the fact that human cornea and lens can deteriorate optical capabi...
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JP2011224668A |
To provide a lens grinding device equipped with a grinding wheel automatic exchanging device capable of precisely and efficiently grinding a less, while loading grinding wheels of various coarseness on a spindle of a wheel head when perf...
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JP2011527242A |
The invention relates to a tool (10) for polishing optical surfaces (21) comprising a rigid base (11) which has a spherical surface (14) which carries a resilient cushion (12) which has a polishing face (16), characterised in that the di...
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JP2011206902A |
To layout and block a lens to be processed by two kinds of lens holders for a standard lens holder and a small diameter lens holder in batch processing by means of a single layout and block device.A holder supplying device 51 includes: a...
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JP2011206901A |
To provide a holder storage structure of a lens layout and block device, which enables layout and blocking a lens to be processed by two kinds of lens holders for a standard lens holder and a small diameter lens holder in batch processin...
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JP2011200949A |
To provide a lens holder, a blocking device used for the lens holder, and a method of manufacturing a lens using them for shortening a cycle time of a lens manufacturing process, extremely reducing an environmental impact, and obtaining ...
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JP4778907B2 |
A system for manufacturing an optical lens that is configured to correct optical aberrations, including, e.g., high order aberrations such as described by Zernike polynomials. The system can include a measurement system configured to mea...
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JP2011177873A |
To provide a grinding device and a grinding method for easily grinding a super-semispherical concave surface.Since an oscillating mechanism 57 oscillates a grinding disk part 10 around the oscillating center PC arranged inside, i.e., on ...
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