FR2686537A1 - Device for marking an optical lens blank - Google Patents

Device for marking an optical lens blank Download PDF

Info

Publication number
FR2686537A1
FR2686537A1 FR9200814A FR9200814A FR2686537A1 FR 2686537 A1 FR2686537 A1 FR 2686537A1 FR 9200814 A FR9200814 A FR 9200814A FR 9200814 A FR9200814 A FR 9200814A FR 2686537 A1 FR2686537 A1 FR 2686537A1
Authority
FR
France
Prior art keywords
marking
face
blank
marks
optical glass
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.)
Granted
Application number
FR9200814A
Other languages
French (fr)
Other versions
FR2686537B1 (en
Inventor
Lecerf Michel Jean Marcel
Langlois Jean-Pierre M Fernand
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.)
BUCHMANN OPTICAL ENG
Original Assignee
BUCHMANN OPTICAL ENG
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 BUCHMANN OPTICAL ENG filed Critical BUCHMANN OPTICAL ENG
Priority to FR9200814A priority Critical patent/FR2686537B1/en
Publication of FR2686537A1 publication Critical patent/FR2686537A1/en
Application granted granted Critical
Publication of FR2686537B1 publication Critical patent/FR2686537B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B24B9/146—Accessories, e.g. lens mounting devices
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0055—Positioning of lenses; Marking of lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The invention proposes a device (16) for marking on one face (12) of an optical lens blank (10) with positioning and/or orientation marks, characterised in that it includes a transparent sheet (18) bearing the marks and the two faces of which are adhesive so as to be stuck respectively to the said face (12) of the optical lens blank (10) and to the end (32) of an adapter (30) for cutting the lens.

Description

La présente invention concerne un dispositif pour marquer sur une ébauche de verre optique, également appelée lentille ophtalmique, des repères de positionnement et/ou d'orientation qui sont nécessaires en vue du taillage du contour de l'ébauche, par exemple sur une installation de taillage des verres optiques destinés à équiper les lunettes correctrices de la vue. The present invention relates to a device for marking on a blank of optical glass, also called an ophthalmic lens, positioning and / or orientation marks which are necessary for cutting the outline of the blank, for example on an installation for cutting of the optical glasses intended to equip the corrective glasses of the sight.

Le repérage du foyer optique d'une lentille ophtalmique est généralement matérialisé par trois points alignés sur un axe commun dont le point central correspond au centre du foyer et dont les deux points latéraux définissent l'axe du cylindre ou du prisme de la lentille. The location of the optical focus of an ophthalmic lens is generally materialized by three points aligned on a common axis whose central point corresponds to the center of the focal point and whose two lateral points define the axis of the cylinder or of the lens prism.

Dans le cas dtune lentille dite à foyer variable, le repérage est plus complexe, mais on retrouve deux petits cercles, écartés par exemple de 34 mm, qui définissent l'axe horizontal ainsi que par exemple des cercles plus grands, de positions variables, agencés au-dessus et au-dessous de cet axe horizontal pour définir les zones correspondant à la vue de loin et à la vue de près. In the case of a so-called variable focus lens, the location is more complex, but there are two small circles, spaced apart for example by 34 mm, which define the horizontal axis as well as for example larger circles, of variable positions, arranged above and below this horizontal axis to define the zones corresponding to the far view and the near view.

Le marquage de ces repères sur une lentille est effectué après les opérations de surfaçage de la lentille et de contrôle du surfaçage. These marks are marked on a lens after the lens surfacing and surfacing control operations have been completed.

Le marquage est ensuite généralement effectué sur un appareil de contrôle de la dioptrie ou de la puissance du verre optique qui comporte un dispositif de marquage axé et centré sur l'axe de référence de l'appareil. The marking is then generally carried out on a device for controlling the diopter or of the power of the optical glass which comprises a marking device centered and centered on the reference axis of the device.

Parmi les mécanismes connus, les plus utilisés comportent trois touches qui sont .imprégnée.s -d gouache ou d'encre colorée soluble à l'alcool qui sont appliqués simultanément sur la face de la lentille à marquer. Among the known mechanisms, the most used include three keys which are .impregnated. Gouache or colored ink soluble in alcohol which are applied simultaneously to the face of the lens to be marked.

Une autre technique consiste à marquer les repères par sérigraphie en série. Il est également connu d'utiliser des papiers à transfert que l'on applique contre la face du verre et que l'on frotte pour provoquer le transfert des repères. Another technique consists in marking the marks by serigraphy in series. It is also known to use transfer papers which are applied against the face of the glass and which are rubbed to cause the transfer of the marks.

Dans tous les cas qui viennent d'etre exposés, le marquage réalisé a pour inconvénient de s'effacer trop facilement, dans le cas de la gouache ou de l'encre colorée, ou d'être quasiment indélébile dans le cas de la sérigraphie et de nécessiter alors l'emploi indispensable d'alcool pour nettoyer la face du verre qui provoque un phénomène d'étalement de l'encre de sérigraphie avant de l'ôter complètement. In all the cases which have just been exposed, the marking carried out has the drawback of being erased too easily, in the case of gouache or colored ink, or of being almost indelible in the case of screen printing and then requiring the essential use of alcohol to clean the face of the glass which causes a spreading phenomenon of the screen printing ink before removing it completely.

Afin de remédier à ces inconvénients, l'invention propose un dispositif pour le marquage sur une face d'une ébauche de verre optique de repères de positionnement et/ou d'orientation, caractérisé en ce qu'il comporte une feuille transparente portant les repères et dont les deux faces sont adhésives de manière à être collées respectivement sur ladite face de l'ébauche de verre optique et sur l'extrémité d'un adaptateur pour le taillage du verre. In order to remedy these drawbacks, the invention provides a device for marking on a face of a blank of optical glass with positioning and / or orientation marks, characterized in that it comprises a transparent sheet carrying the marks and the two faces of which are adhesive so as to be bonded respectively to said face of the optical glass blank and to the end of an adapter for cutting glass.

D'autres caractéristiques de l'invention apparatront à la lecture de la description détaillée qui va suivre pour la compréhension de laquelle on se reportera au dessin annexé dans lequel
- la figure 1 est une vue de dessus d'une ébauche de verre optique équipée d'un dispositif de marquage réalisé conformément aux enseignements de l'invention;
- la figure 2 est une vue latérale du verre optique illustré a la figure 1;
- la figure 3 est une vue similaire à celle de la figure 2 illustrant un adaptateur collé en position sur l'ébauche de verre optique;
- la figure 4 est une vue latérale d'un dispositif de marquage illustré préalablement à son utilisation avec les deux revêtements protecteurs de ses faces adhésives opposées.Other characteristics of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawing in which
- Figure 1 is a top view of an optical glass blank fitted with a marking device produced in accordance with the teachings of the invention;
- Figure 2 is a side view of the optical glass illustrated in Figure 1;
- Figure 3 is a view similar to that of Figure 2 illustrating an adapter glued in position on the optical glass blank;
- Figure 4 is a side view of a marking device illustrated prior to its use with the two protective coatings of its opposite adhesive faces.

On reconnait sur la figure 1, une ébauche 10 de verre optique de contour général circulaire dans laquelle sera ultérieurement taillé un verre de lunette dont le contour est figuré par un trait mixte 14. In FIG. 1, a blank 10 of optical glass with a general circular outline can be recognized in which a spectacle lens will later be cut, the outline of which is shown by a dashed line 14.

La face convexe 12 de l'ébauche 10 est équipée d'un dispositif de marquage 16 réalisé conformément aux enseignements de l'invention. The convex face 12 of the blank 10 is equipped with a marking device 16 produced in accordance with the teachings of the invention.

Le dispositif de marquage 16 est pour l'essentiel constitué par une feuille 18 en matériau transparent dont les faces opposées 20 et 22 sont adhésives. The marking device 16 is essentially constituted by a sheet 18 of transparent material whose opposite faces 20 and 22 are adhesive.

La feuille de marquage 18 porte une série de repères constitués ici par trois points A, O et B alignés sur un axe commun X-X et par un axe perpendiculaire Y-Y concourant en 0. The marking sheet 18 carries a series of marks constituted here by three points A, O and B aligned on a common axis X-X and by a perpendicular axis Y-Y competing at 0.

Le dispositif 18 se présente donc sous la forme d'un adhésif dit "double-face" dont les faces adhésives opposées sont, à l'état neuf, chacune revêtue d'un revêtement protecteur temporaire 24 et 26 respectivement. The device 18 is therefore in the form of a so-called "double-sided" adhesive, the opposite adhesive faces of which are, in new condition, each coated with a temporary protective coating 24 and 26 respectively.

La pose sur le verre 10 s'effectue en ôtant préalablement le revêtement 24. Afin de permettre la pose de la feuille 18 dans une position géométrique correcte, le second revêtement protecteur 26 est, comme la feuille 18, réalisé dans un matériau transparent de manière que l'utilisateur puisse notamment aligner correctement le point central 0 sur l'axe du foyer F de la lentille ophtalmique. The laying on the glass 10 is carried out by removing the covering 24 beforehand. In order to allow the laying of the sheet 18 in a correct geometrical position, the second protective covering 26 is, like the sheet 18, made of a transparent material so that the user can in particular correctly align the central point 0 on the axis of the focal point F of the ophthalmic lens.

La pose de la feuille 18 et du revêtement 22 sur la face convexe 12 est également facilitée en conférant à ces deux éléments un profil lobé à la manière d'une feuille d'un végétal, dont les lobes sont définis par des fentes 28. The positioning of the sheet 18 and of the covering 22 on the convex face 12 is also facilitated by giving these two elements a lobed profile in the manner of a leaf of a plant, the lobes of which are defined by slots 28.

La pose d'un adaptateur 30, de structure connue, s'effectue en ôtant le second revêtement protecteur 26 et en appliquant la face d'extrémité 32 de l'adaptateur 30 contre la seconde face adhésive 22 de la feuille 18. The fitting of an adapter 30, of known structure, is carried out by removing the second protective coating 26 and by applying the end face 32 of the adapter 30 against the second adhesive face 22 of the sheet 18.

Les dispositifs de marquage peuvent être présentés sous la forme d'éléments indépendants, ou regroupés par séries sous la forme de plaques ou de rubans, le revêtement protecteur temporaire 24 étant alors réalisé sous la forme d'une feuille ou d'un ruban commun à plusieurs dispositifs. The marking devices may be presented in the form of independent elements, or grouped in series in the form of plates or tapes, the temporary protective coating 24 then being produced in the form of a sheet or of a ribbon common to multiple devices.

Lorsque l'opération de taillage d'un verre est terminée, l'utilisateur n'a plus qu'à décoller la feuille 18 du verre taillé et il ne subsiste plus aucune marque, ni trace de marquage sur le verre.  When the cutting operation of a glass is complete, the user only has to peel off the sheet 18 of the cut glass and there is no longer any mark or trace of marking on the glass.

Claims (4)

REVENDICATIONS 1. Dispositif (16) pour le marquage sur une face (12) d'une ébauche de verre optique (10) de repères de positionnement et/ou d'orientation, caractérisé en ce qu'il comporte une feuille transparente (18) portant les repères et dont les deux faces (20, 22) sont adhésives de manière à être collées respectivement sur ladite face (12) de l'ébauche de verre optique (10) et sur l'extrémité (32) d'un adaptateur (30) pour le taillage du verre. 1. Device (16) for marking on one face (12) an optical glass blank (10) of positioning and / or orientation marks, characterized in that it comprises a transparent sheet (18) bearing the marks and whose two faces (20, 22) are adhesive so as to be bonded respectively on said face (12) of the optical glass blank (10) and on the end (32) of an adapter (30 ) for cutting glass. 2. Dispositif selon la revendication 1, caractérisé en ce que la face (22) de la feuille transparente (18) destinée à être collée sur l'adaptateur (30) est protégée par un revêtement protecteur temporaire transparent (26). 2. Device according to claim 1, characterized in that the face (22) of the transparent sheet (18) intended to be glued to the adapter (30) is protected by a transparent temporary protective coating (26). 3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que les repères comportent au moins trois points alignés (A, O, B). 3. Device according to one of claims 1 or 2, characterized in that the pins include at least three aligned points (A, O, B). 4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que son contour présente un profil lobé pour en faciliter le collage sur la face convexe (12) de l'ébauche du verre optique (10).  4. Device according to any one of claims 1 to 3, characterized in that its outline has a lobed profile to facilitate bonding on the convex face (12) of the blank of the optical glass (10).
FR9200814A 1992-01-27 1992-01-27 DEVICE FOR MARKING AN OPTICAL GLASS BLANK. Expired - Fee Related FR2686537B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9200814A FR2686537B1 (en) 1992-01-27 1992-01-27 DEVICE FOR MARKING AN OPTICAL GLASS BLANK.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9200814A FR2686537B1 (en) 1992-01-27 1992-01-27 DEVICE FOR MARKING AN OPTICAL GLASS BLANK.

Publications (2)

Publication Number Publication Date
FR2686537A1 true FR2686537A1 (en) 1993-07-30
FR2686537B1 FR2686537B1 (en) 1994-03-18

Family

ID=9425986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9200814A Expired - Fee Related FR2686537B1 (en) 1992-01-27 1992-01-27 DEVICE FOR MARKING AN OPTICAL GLASS BLANK.

Country Status (1)

Country Link
FR (1) FR2686537B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007001251A1 (en) * 2005-06-13 2007-01-04 Su, Chen-Ming Method for machining a lens and adhesive label useful when machining the lens
WO2018224617A1 (en) * 2017-06-09 2018-12-13 Essilor International Method and system for manufacturing an optical lens having an electronic component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355342A (en) * 1965-02-26 1967-11-28 Armorlite Lens Company Inc Method of supporting lens blanks for grinding and polishing
DE2619985A1 (en) * 1976-05-06 1977-11-17 Wernicke & Co Gmbh Work mounting for lens grinding machine - has transparent flexible holder connected with one half shaft of grinder
USRE31897E (en) * 1975-03-31 1985-05-28 Minnesota Mining And Manufacturing Company Method for the alteration of a lens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355342A (en) * 1965-02-26 1967-11-28 Armorlite Lens Company Inc Method of supporting lens blanks for grinding and polishing
USRE31897E (en) * 1975-03-31 1985-05-28 Minnesota Mining And Manufacturing Company Method for the alteration of a lens
DE2619985A1 (en) * 1976-05-06 1977-11-17 Wernicke & Co Gmbh Work mounting for lens grinding machine - has transparent flexible holder connected with one half shaft of grinder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007001251A1 (en) * 2005-06-13 2007-01-04 Su, Chen-Ming Method for machining a lens and adhesive label useful when machining the lens
WO2018224617A1 (en) * 2017-06-09 2018-12-13 Essilor International Method and system for manufacturing an optical lens having an electronic component
US11897214B2 (en) 2017-06-09 2024-02-13 Essilor International Method and system for manufacturing an optical lens having an electronic component

Also Published As

Publication number Publication date
FR2686537B1 (en) 1994-03-18

Similar Documents

Publication Publication Date Title
AU5934994A (en) Durable low-emmisivity solar control thin film coating
EP0977072A3 (en) Chromatic vision correction resin glasses
CN107924067A (en) Lens protection system
EP1837684A3 (en) Optical functional materials and process for producing the same
CA2471464A1 (en) Photochromic optical article
HK1014365A1 (en) Light-absorbing and anti-reflective coating for sunglasses
EP1420273A3 (en) Optical film and liquid-crystal display device
WO2002080161A3 (en) Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer
EP1396855A3 (en) Optical data recording medium and manufacturing method for the same; and a method for clamping the optical data recording medium
FI932376A (en) WITH FUNCTIONAL FILM FOERSETT FOENSTERGLAS
AU5119996A (en) Perfected spectacle mount
EP0401980A3 (en) Display element
CN112004661B (en) Method for producing spectacle lenses
FR2825941A1 (en) DEVICE FOR TIGHTENING AN OPHTHALMIC GLASS
AU5217798A (en) Sunglasses with an optical spectacle insert
EP1326133A3 (en) Nonlinear optical thin film, optical recording medium using nonlinear optical film and optical switch
FR3045019B1 (en) METHOD FOR PACKAGING A GLASS OF A GLASSES
AU6213101A (en) Use of light-absorbing compounds in the information layer of optical data carriers, and optical data carriers
FR2686537A1 (en) Device for marking an optical lens blank
WO2002080152A3 (en) Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer
WO2001098815A3 (en) Display device
US2363422A (en) Protecting light transmitting elements
AU689709B2 (en) Optical disk
CA2400270A1 (en) Hand-held device for the application of a total tape onto a substrate
JP2004122302A (en) Processing method for lens

Legal Events

Date Code Title Description
ST Notification of lapse