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JP4374794B2 |
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JP2009274156A |
To surely prevent damage of a workpiece left on a grinding tool due to a failure in releasing to obtain the workpiece with good shape quality.A grinder M1 is for carrying out grinding by holding a lens 8 on a holder 9 supported on an upp...
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JP4373035B2 |
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JP4373375B2 |
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JP2009269136A |
To provide a micro lens, which is a micro polished article, formed by efficiently applying a polishing load thereto by a simple mechanism and a method and a device for polishing a die for the micro lens.In this small tilting polishing me...
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JP4364342B2 |
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JP4365589B2 |
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JP4360966B2 |
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JP4357551B2 |
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JP4356857B2 |
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JP4358708B2 |
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JP2009248195A |
To efficiently and easily perform a setup operation before and after machining and the attachment/detachment of a workpiece without damaging the workpiece in grinding and polishing the workpiece.A lens holding device H1 supports the rear...
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JP2009248297A |
To provide a tool shaft fixing device a grinding tool which can surely fix a spindle and is prevented from being carelessly operated.The tool shaft fixing device 12 has an air cylinder mechanism 14 equipped with a wrench 13 having a rece...
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JP4353218B2 |
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JP4351651B2 |
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JP4353217B2 |
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JP4350101B2 |
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JP4347374B2 |
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JP2009233792A |
To provide a lens detaching device effectively detaching a lens material without damaging the lens material.The lens detaching device is equipped with: a support portion 12B supporting a part of an outer peripheral part of the lens mater...
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JP2009233832A |
To provide a polishing tool mounting structure capable of easily attaching a polishing tool to a retainer without damaging the polishing tool when attaching the polishing tool to the retainer, and to provide a polishing apparatus.The ela...
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JP4342391B2 |
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JP4343453B2 |
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JP4340512B2 |
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JP4335110B2 |
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JP4331420B2 |
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JP4331422B2 |
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JP4333876B2 |
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JP4325581B2 |
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JP4320644B2 |
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JP4322324B2 |
In one form, the disclosure describes a lathe apparatus and method for manufacturing a product with a non-axisymmetric shape from a workpiece, such as a toric contact lens, comprises a spindle for rotating the workpiece about an axis of ...
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JP4317050B2 |
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JP4315930B2 |
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JP2009166136A |
To solve a problem wherein a manufacturing device of an optical element deforming by self weight does not exist since a surface shape measured in a mounted state on a machining machine is different from a surface shape in an incorporated...
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JP2009166222A |
To provide a polishing technique in which improvement in surface roughness and removal of kerfs after polishing in a workpiece are efficiently performed, and at the same time shape correction of the workpiece is made to obtain a waveless...
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JP2009160714A |
To provide a manufacturing method for a die with high accuracy and high curvature while preventing interference between the die and a grinding wheel.This method includes processes of: coarsely processing into a recess surface; and finish...
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JP4302228B2 |
A machine for fining/polishing ophthalmic lenses has a horizontal and vertical plates rigidly fixed in an inverted T. Eccentric shafts journalled 180 degrees out of phase on the horizontal plate orbit tools on one side of the vertical pl...
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JP2009154276A |
To efficiently manufacture many kinds and small amount of lens with desired polishing accuracy.In an apparatus for machining a lens by grinding and polishing a machined material 1, a surface shape of a semi-spherical portion of the lens ...
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JP2009136946A |
To attain highly accurate working by stably holding a workpiece without displacing or falling the workpiece in grinding and polishing work of workpieces.A lens holding device H1 pushing a workpiece lens 2 toward a tool plate 1 is provide...
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JP4282608B2 |
A processing method includes the steps of elastically deforming a jig together with a work, the jig having been mounted on a work, compressing the work against a polishing surface, and moving the work and the polishing surface relative t...
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JP4285894B2 |
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JP2007514963T5 |
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JP2009125870A |
To hold an optical element on a pasting tray through a thermoplastic pasting agent without generating the distortion of the optical element due to the thermal characteristics of the thermoplastic pasting agent.In a cooling unit 4 for car...
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JP2009125877A |
To provide a lens holder for use in polishing an optical surface of a convex lens smaller in outside diameter than before polishing.A lens base material 1 has a convex lens shape with an edge thickness of almost zero. The lens holder 2 c...
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JP2009119545A |
To provide a slide-machining technique for slide-machining precisely a work to be machined, without generating a dispersion of machining quality.Outside air is introduced into a tub 4 by connecting an ejector pump mechanism 12 to an exha...
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JP2009113162A |
To provide a polishing technique capable of accurately polishing optical elements of various outlines by a single polishing device.This polishing device comprises a lower shaft unit 4 swingably installed while holding a polishing pan 2, ...
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JP2009107089A |
To provide a lens holder surely preventing edge sagging in polishing, improving a quality, and shortening a polishing time, and also to provide a polishing method for a lens using the holder.A lens holder 2 is constituted of: a metal hol...
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JP2009107055A |
To provide a polishing technique for polishing a minute area with high precision, without deteriorating a polishing efficiency.Polishing work is efficiently performed on a minute area of a workpiece W in such a manner that a bottomed cyl...
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JP2009101440A |
To provide a method of manufacturing a spectacle lens capable of reducing the thickness of the lens and suppressing the lowering of the performance of the lens.This method of manufacturing a spectacle lens comprises a first step of produ...
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JP2009090405A |
To provide a gripping tool which minimizes a decentering error and a tilting error of a machining device with respect to a rotating shaft, and achieves attachment thereto/detachment therefrom of a workpiece with high precision, without i...
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JP2009083001A |
To perform polishing by an ideal machining locus when a relative machining locus of a workpiece and a polishing tool is realized by a multi-axis control.In a polishing device 100, a polishing object 1 is held in a workpiece holder 2 supp...
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