EP1037727B1 - Machine d'usinage de bord de verre de lunettes - Google Patents

Machine d'usinage de bord de verre de lunettes Download PDF

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Publication number
EP1037727B1
EP1037727B1 EP98948904A EP98948904A EP1037727B1 EP 1037727 B1 EP1037727 B1 EP 1037727B1 EP 98948904 A EP98948904 A EP 98948904A EP 98948904 A EP98948904 A EP 98948904A EP 1037727 B1 EP1037727 B1 EP 1037727B1
Authority
EP
European Patent Office
Prior art keywords
spectacle
lens
machining
tool
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98948904A
Other languages
German (de)
English (en)
Other versions
EP1037727A1 (fr
Inventor
Lutz Gottschald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wernicke and Co GmbH
Original Assignee
Wernicke and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wernicke and Co GmbH filed Critical Wernicke and Co GmbH
Publication of EP1037727A1 publication Critical patent/EP1037727A1/fr
Application granted granted Critical
Publication of EP1037727B1 publication Critical patent/EP1037727B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B17/00—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor
    • B24B17/02—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving mechanical transmission means only
    • B24B17/025—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving mechanical transmission means only for grinding rotating workpieces (three dimensional)
    • B24B17/026—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving mechanical transmission means only for grinding rotating workpieces (three dimensional) for the periphery of plane workpieces, e.g. cams, lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/03—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding grooves in glass workpieces, e.g. decorative grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto

Definitions

  • the invention relates to a Eyeglass lens edge processing machine with one Spectacle lens holder for one raw lens and one Processing device for shaping the raw glass and for attaching a roof facet or a circumferential groove or of grooves for attaching an eyeglass frame by means of Brackets or of bores as well as for polishing the machined surfaces.
  • German patent 38 04 133 there is a method and a device for shaping a spectacle lens, described starting from a raw glass, in which the Range between the scope of the raw glass and the scope of the machined lens is removed by using With the help of a cutting tool, a cutting cut radially from Extent of the rotating raw glass against the extent of the Finished glass, then along or parallel to this circumference and then radially back to the circumference of the raw glass is executed, between two half-waves clamped glasses with several spaced apart located radial separating sections and one each provided intermediate circumferential cut section and at an angular distance from that Cutting section and during the creation of the a respective regrind over the entire circumference of the cut glass is done.
  • the Radial cut and circumferential cut sections can be carried out by means of a bearing beam while the regrinding over the entire circumference of the cut Glass by means of a usual, to the axis of the raw glass axially parallel grinding wheel with a relative large diameter is carried out.
  • This grinding wheel is because only relatively little material has to be removed is designed as a facet grinding wheel.
  • an apparatus for executing the radial and circumferential separating cuts and an additional one Facet grinding wheel of the usual type required.
  • Eyeglass lens edge processing machine therefore corresponds to one usual lens edge processing machine with only one Facet grinding wheel, which is also a device for Execution of the radial separation cut sections and the Circumferential cut sections required.
  • This additional tool can from one with its axis of rotation radial to the lens arranged milling or grinding tool consist of is driven at high speed by its own drive motor.
  • German patent specification 40 09 942 there is a method to edit the edge of eyeglass lenses thermoplastic or a plastic made of a mixture of a thermoplastic or a thermosetting plastic is described, in which the First a dry edge of the lens Roughing and then a dry Undergoes finishing grinding, after which in another Operation for fine machining the surface of the Calibrate the glasses using the fine grinding wheel is carried out with hydration.
  • a Eyeglass lens processing machine proposed that according to the invention an eyeglass holder for at least one one-sided raw glass and only one high-speed powered end mill or one Grinding pen or a laser beam as the only one Small-format machining tool Machining device for complete shaping of the Raw glass through a separating cut, for attaching a Roof facet and a circumferential groove or of grooves for Fastening an eyeglass frame using clips or Bores and possibly for polishing and / or chamfering the machined surfaces in the case of eyeglass lenses Has plastic.
  • an Eyeglass lens processing machine proposed that according to the invention an eyeglass holder for at least one one-sided raw glass and a small format Machining device with one from a high-speed powered end mill or one Grinding pen or a laser beam existing Machining tool for complete shaping of the Raw glass through a cut parallel to the raw glass axis and for making grooves for attaching a Glasses frame by means of clamps or holes and at least one other similar processing tool on the processing device for attaching a Roof facet or a circumferential groove and possibly for polishing and / or chamfering the machined surfaces in the case of Has plastic lenses.
  • the invention is based on the consideration that a Combination of additional tools with conventional grinding wheels offers no way that Eyeglass lens edging machine to shrink that Reduce noise and editing a Shorten the raw glass to the finished lens.
  • the invention Machining device a complete form machining of the Raw glass through a separating cut, so that a Regrinding using a conventional grinding wheel final shaping and for attaching a roof facet or a circumferential groove is no longer required.
  • This Processing device is also suitable for a roof facet or grooves for attaching an eyeglass frame by means of To attach clamps or holes as well as the machined Surfaces of plastic glasses according to the in the process described in DE-PS 40 09 942 to polish.
  • a CNC control for the sequence of the required relative movements between the Processing device and the raw glass provided to the complete shaping highly accurate and without large Operator skill requirements to be able to carry out automatically.
  • This CNC control can also serve to adjust the feed rate at the Machining according to the circumferential contour of the selected one Spectacle lenses depending on the current radius and / or to change the thickness of the spectacles in the Meaning that the feed with a large radius and / or large Glass thickness reduced and with a small radius and / or smaller Glass thickness is increased.
  • That or the editing tools of the Processing device can be designed differently his. So z. B. the separating cut, the attachment an imperial facet or grooves to attach one Spectacle frame using brackets or holes using of a laser beam. To make one However, the circumferential groove is a mechanical tool more suitable.
  • high-speed machining tools are used running milling cutters or appropriately shaped grinding tools used, the drives of an air turbine, one Water turbine, a combined air and water turbine or can consist of a high-frequency electric motor, wherein it is possible to use a machining device Tool for complete form processing parallel to Raw glass axis and at least one other tool for Perform the further processing steps.
  • the processing device preferably only a tool for performing all processing steps on.
  • a particularly advantageous embodiment of the invention arises when a end mill or a Grinding pencil with its high-speed drive radially and axially adjustable relative to the raw glass axis as well is arranged on a support adjustable in angle. If then the holder for the raw glass is designed as a rotatable shaft and is the end mill or the correspondingly shaped Grinding tool with its drive between one position parallel to the raw glass axis and one position perpendicular Set at different angles to the raw glass axis leaves, all processing steps with only perform a tool quickly and with little effort.
  • a high-speed drive motor when it is as Air turbine, as a water turbine, as a combined air and Water turbine or designed as a high-frequency electric motor has only a very small volume and the Machining forces on the workpiece are low only low clamping forces required for the raw glass, so that it may be sufficient to attach the raw glass to a sucker Holding shaft by vacuum on one side, which makes the Construction effort and space requirements of the Spectacle lens edge processing machine significantly reduced become.
  • High-speed machining tools have one low noise during processing on and are easy to encapsulate due to their small dimensions.
  • the machining tool can also be used as a drill become.
  • the processing tool can be designed as a combined processing tool be and has a substantially cylindrical portion for complete shaping of the raw glass by a Separating cut, for making grooves to attach a Glasses frame by means of clamps or holes.
  • a coaxial apex part is also axially offset Attaching a roof facet provided as well as finally a likewise axially offset disc-shaped part for Make a circumferential groove.
  • This combined Machining tool needs with its on a carrier arranged drive only radially and relative to the raw glass axis to be axially adjustable, but does not need to be adjustable in angle.
  • the drive for the milling cutter or the grinding tool is running at a speed from 60,000 to 360,000 min -1 in order, so that the machining noises are inaudible in the ultrasonic range.
  • a base plate 1 is shown on which a bearing block 2 with a rotary drive, not shown, for one in the bearing block 2 mounted spectacle lens holding shaft 3 is arranged.
  • An im substantially circular raw glass 13 is by means of a Sucker 4 attached to the lens holder shaft 3.
  • the purpose of the spectacle lens holding shaft 3 is hollow and via a vacuum hose 15 with a vacuum pump 16 connected.
  • the base plate 1 On the base plate 1 there are guides 6 for a slide 7 arranged, which is on the guides 6 parallel to the axis 14 of the raw glass 13 and the spectacle lens holding shaft 3 can be postponed.
  • This carriage 7 is also with Provide guides 8 that are perpendicular to the guides 6 are arranged.
  • This carrier 10 is about a vertical axis 29 aligning.
  • On the spindle 11 is a end mill or a corresponding shaped grinding pin 12 arranged.
  • the end mill in the case of a plastic glass or the Abrasive pencil 12 in the case of a silicate glass first from the position shown in Fig. 1 against the scope of Raw glass 13 and radially until the desired Eyeglass lens contour moved in the direction of the raw lens axis 14.
  • the raw glass does not initially turn until the corresponding to the lens 22 to be shaped Radial distance is reached.
  • the raw glass 13 in slow rotation offset so that by the end mill or through the grinding pin 12 a separating cut 23 along the Circumferential contour of the desired shape to be machined Glasses 22 is performed.
  • the carriage 9 becomes radial moved outwards and the carrier 10, as in Fig. 3rd shown, brought into an angular position, the angle corresponds to a first side 18 of a roof facet.
  • the Carriage 9 with the carrier 10 in that shown in Fig. 4 Positioned and the machining process proceeds as described with reference to FIG. 3, in reverse Axial direction.
  • Fig. 5 it is shown how the same Finger cutter or grinding pin 12 in one position exactly a circumferential groove 25 perpendicular to the axis of rotation 14 of the raw glass can be produced in the form-ground spectacle lens 22.
  • This combined Machining tool has a spindle 11 disc-shaped part 28 for attaching a circumferential groove 5, an apex part 27 for attaching a Roof facet 18, 20 and a cylindrical region 26, the how the end mill or grinding pin 12 is designed, to make the separating cuts.
  • the carrier 10 with the In this case, the rotary drive does not need to be adjustable in angle but it is sufficient to take him with the sled 7 and 9 to move parallel to the raw glass axis 14 and perpendicular to it.
  • control is simplified because An angle adjustability is not necessary, however the machining tool more complicated and possibly less resistant as it necessarily has a larger size Cantilevered length must protrude from the spindle 11.
  • the Feed speed depending on the current one Radius of the peripheral contour of the selected lens and / or control the thickness of the spectacles in the sense that that the feed with a large radius and / or large glass thickness reduced and with a small radius and / or small glass thickness is enlarged.
  • the invention also includes one not shown Embodiment with a tool for machining the Raw glass through a separating cut, for making grooves for attaching an eyeglass frame using clips or of holes and with another tool for attaching a roof facet or a circumferential groove that is independent be arranged from one another on corresponding guides can and operated in succession by the CNC controller 17 become.
  • the use is important in the present invention a small-sized processing device, whereby the lens processing machine with a small size encapsulates well and has a low noise level having.
  • an air turbine a water turbine, a combined air and water turbine or a used high-frequency electric motor which rotate at from 60,000 to 360,000 min -1 and high due to this rotational speed and the small size of the machining tools only exert slight forces on the workpiece. Very low clamping forces are therefore required for the workpiece, which is why the one-sided clamping shown in FIG. 1 is possible by means of the suction device 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Claims (10)

  1. Machine pour usiner le bord de verres de lunettes comportant
    un support de verres de lunettes (3, 4) pour un verre brut (13) maintenu au moins d'un côté, et
    un dispositif d'usinage (10) de petit format, comportant uniquement une fraise à queue entraínée à grande vitesse ou une broche de meulage ou un rayon laser en tant qu'unique outil d'usinage (12 ; 26, 27, 28), pour l'usinage complet à la forme du verre brut (13) par une coupe de séparation (23), pour pratiquer une facette en toit (18, 20) ou une rainure périphérique (25) ou des rainures pour fixer une monture de lunettes au moyen d'agrafes
    ou de perçages.
  2. Machine pour usiner le bord de verres de lunettes comportant
    un support de verres de lunettes (3, 4) pour un verre brut (13) maintenu au moins d'un côté, et
    un dispositif d'usinage (10) de petit format avec un outil d'usinage (12) constitué d'une fraise à queue entraínée à grande vitesse ou d'une broche de meulage ou d'un rayon laser, pour l'usinage complet à la forme du verre brut (13) par une coupe de séparation (23) parallèlement à l'axe du verre brut, ainsi que pour pratiquer des rainures pour fixer une monture de lunettes au moyen d'agrafes ou de perçages, et comportant au moins un autre outil d'usinage de même type sur le dispositif d'usinage (10), pour pratiquer une facette en toit (18,20) ou une rainure périphérique (25).
  3. Machine à usiner le bord de verres de lunettes, selon la revendication 1 ou 2, dans laquelle un outil d'usinage (12 ; 26, 27, 28) sert aussi à p olir et/ou à biseauter les surfaces usinées.
  4. Machine à usiner le bord de verres de lunettes, selon la revendication 1, 2 ou 3, dans laquelle une commande numérique (17) est prévue pour la séquence des mouvements relatifs entre le dispositif d'usinage (10, 11, 12 ; 10, 11, 26, 27, 28) et le verre brut (13), et pour la commande de l'avance en fonction du rayon momentané et/ou de l'épaisseur du verre de lunettes.
  5. Machine à usiner le bord de verres de lunettes, selon l'une des revendications 1 à 4, dans laquelle est prévu au moins un outil d'usinage (10, 11, 12 ; 10, 11, 26, 27, 28) sous la forme d'une fraise tournant à grande vitesse ou d'un outil de meulage, dont le dispositif d'entraínement est constitué d'une turbine à air, d'une turbine à eau, d'une t urbine à air et à eau combinée ou d'un moteur électrique à haute fréquence.
  6. Machine à usiner le bord de verres de lunettes selon la revendication 5, dans laquelle une fraise à queue ou un outil de meulage (12) de forme correspondante est disposé, avec son dispositif d'entraínement à grande vitesse, de manière réglable radialement et axialement par rapport à l'axe (14) du verre brut, ainsi que réglable angulairement sur un support (10).
  7. Machine à usiner le bord de verres de lunettes, selon la revendica tion 6, dans laquelle la fixation (3, 4) du verre brut (13) est réalisée en tant qu'arbre tournant.
  8. Machine à usiner le bord de verres de lunettes, selon les revendications 6 et 7, dans laquelle la fraise à queue ou l'outil de meulage (12) de forme correspondante avec son dispositif d'entraínement est réglable angulairement en continu entre une position dont l'axe est parallèle à l'axe (14) du verre brut et une position perpendiculaire à l'axe (14) du verre brut.
  9. Machine à usiner le bord de verres de lunettes, selon la revendication 5, dans laquelle est prévu un outil d'usinage combiné avec une zone (26) sensiblement cylindrique pour l'usinage à la forme complet du verre brut (13) par une coupe de séparation (23), pour pratiquer des rainures en vue de la fixation d'une monture de lunettes au moyen d'agrafes ou de perçages, avec une partie de sommet (27) pour pratiquer une facette en toit (18, 20) et avec une partie (28) en forme de disque pour pratiquer une rainure périphérique (25), et en ce qu'avec son dispositif d'entraínement disposé sur un support (10), l'outil d'usinage combiné est déplaçable radialement et axialement par rapport à l'axe (14) du verre brut.
  10. Machine à usiner le bord de verres de lunettes, selon l'une des revendications 1 à 9, dans laquelle le dispositif d'entraínement de la fraise
    ou de l'outil de meulage tourne à une vitesse de 60 000 à 360 000 tours par minute.
EP98948904A 1997-09-04 1998-09-03 Machine d'usinage de bord de verre de lunettes Expired - Lifetime EP1037727B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19738668A DE19738668A1 (de) 1997-09-04 1997-09-04 Brillenglasrandbearbeitungsmaschine
DE19738668 1997-09-04
PCT/EP1998/005596 WO1999011429A1 (fr) 1997-09-04 1998-09-03 Machine d'usinage de bord de verre de lunettes

Publications (2)

Publication Number Publication Date
EP1037727A1 EP1037727A1 (fr) 2000-09-27
EP1037727B1 true EP1037727B1 (fr) 2003-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98948904A Expired - Lifetime EP1037727B1 (fr) 1997-09-04 1998-09-03 Machine d'usinage de bord de verre de lunettes

Country Status (3)

Country Link
EP (1) EP1037727B1 (fr)
DE (2) DE19738668A1 (fr)
WO (1) WO1999011429A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101437652B (zh) * 2006-05-10 2011-02-09 埃西勒国际通用光学公司 通过切割将镜片成形的方法
DE102021004831A1 (de) 2021-09-24 2023-03-30 Satisloh Ag Verfahren zur spanenden bearbeitung von optischen werkstücken, insbesondere brillenlinsen aus kunststoff

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3961196B2 (ja) * 2000-06-15 2007-08-22 株式会社ニデック 眼鏡レンズ加工装置
JP3916445B2 (ja) 2001-11-08 2007-05-16 株式会社ニデック 眼鏡レンズ加工装置
US6830333B2 (en) 2001-11-26 2004-12-14 Opti-Clip International Llc Computerized process serving for the manufacture of clip-ons for eyeglasses
US6763600B2 (en) 2001-11-26 2004-07-20 Opti-Clip International Llc Apparatus for orienting eyeglasses for scanning by electronic scanner
US7111372B2 (en) 2001-11-26 2006-09-26 Opti-Clip Ltd. Computer-controlled milling machine for producing lenses for clip-on accessory
JP4873878B2 (ja) * 2005-03-31 2012-02-08 株式会社ニデック 眼鏡レンズ周縁加工装置
FR2889468B1 (fr) * 2005-08-08 2008-10-17 Essilor Int Procede et dispositif de chargement ou dechargement d'outil de percage sur un mandrin d'un dispositif de detourage et de percage de lentilles ophtalmiques
FR2892041A1 (fr) * 2005-10-14 2007-04-20 Fwd Sarl Dispositif d'usinage de gabarits pour la fabrication de verres de lunettes
FR2900854B1 (fr) 2006-05-10 2009-07-17 Essilor Int Procede et dispositif de detourage d'une lentille par decoupage de ladite lentille
DE102010010338A1 (de) 2010-03-04 2011-09-08 Schneider Gmbh & Co. Kg Autokalibrierung
DE102012206473A1 (de) 2012-04-19 2013-10-24 WZR ceramic solutions GmbH Polierverfahren
FR2990369B1 (fr) * 2012-05-09 2014-08-29 Essilor Int Procede de detourage d'une lentille ophtalmique multicouche
FR3008914B1 (fr) * 2013-07-26 2015-09-04 Essilor Int Procede et machine de gravure de lentilles optiques
CN114571359A (zh) * 2022-03-01 2022-06-03 维达力实业（赤壁）有限公司 用于玻璃孔加工的磨头装置

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Publication number Priority date Publication date Assignee Title
DE3804133A1 (de) * 1988-02-11 1989-08-17 Wernicke & Co Gmbh Verfahren und einrichtung zur formgebung eines brillenglases
US5165202A (en) * 1991-10-18 1992-11-24 Spindel Jr Gilbert D Methods and apparatus for making spectacle frame lens patterns
FR2689794B1 (fr) * 1992-04-14 1995-02-17 Wernicke & Co Gmbh Machine à usiner le bord d'un verre de lunettes.
DE4308800C2 (de) * 1992-04-14 1994-08-18 Wernicke & Co Gmbh Brillenglasrandbearbeitungsmaschine
IT1282136B1 (it) * 1996-04-26 1998-03-12 Leader Snc Di S Cattai & C Macchina automatica per la fresatura e la bisellatura di lenti, vantaggiosamente di lenti per occhiali

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101437652B (zh) * 2006-05-10 2011-02-09 埃西勒国际通用光学公司 通过切割将镜片成形的方法
DE102021004831A1 (de) 2021-09-24 2023-03-30 Satisloh Ag Verfahren zur spanenden bearbeitung von optischen werkstücken, insbesondere brillenlinsen aus kunststoff
WO2023046937A1 (fr) 2021-09-24 2023-03-30 Satisloh Ag Procédé d'usinage de pièces optiques, en particulier de verres de lunettes en matière plastique

Also Published As

Publication number Publication date
DE59807770D1 (de) 2003-05-08
WO1999011429A1 (fr) 1999-03-11
EP1037727A1 (fr) 2000-09-27
DE19738668A1 (de) 1999-03-18

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