EP0744246B1 - Kalibrierschablone zum Kalibrieren einer ophthalmischen Linsenschleifmaschine und entsprechendes Verfahrens - Google Patents

Kalibrierschablone zum Kalibrieren einer ophthalmischen Linsenschleifmaschine und entsprechendes Verfahrens Download PDF

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Publication number
EP0744246B1
EP0744246B1 EP96401105A EP96401105A EP0744246B1 EP 0744246 B1 EP0744246 B1 EP 0744246B1 EP 96401105 A EP96401105 A EP 96401105A EP 96401105 A EP96401105 A EP 96401105A EP 0744246 B1 EP0744246 B1 EP 0744246B1
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EP
European Patent Office
Prior art keywords
gauging
template according
contour
template
hollow bosses
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
EP96401105A
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English (en)
French (fr)
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EP0744246A1 (de
Inventor
Laurent Guillermin
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.)
EssilorLuxottica SA
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Essilor International Compagnie Generale dOptique SA
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Publication of EP0744246A1 publication Critical patent/EP0744246A1/de
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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
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • B24B47/225—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation for bevelling optical work, e.g. lenses

Definitions

  • the present invention relates generally the calibration to be performed when starting up a ophthalmic lens grinder of the type described in FR-A-2 543 039 to have a precise reference for its various parameters, it being understood that this calibration can then be periodically renewed, especially when changing or brightening up a grinding wheel.
  • the calibration template according to the invention is of generally characterized in that, intended to be mounted instead of an ophthalmic lens on the grinder calibrate, it comes in the general form of a disc, and in that, circular over at least part of its perimeter, its outline locally forms two points angular, which, circumscribed by the same circumference, are angularly spaced from each other.
  • the calibration template according to the invention is still characterized in that, on at least a portion of the portion circular in outline, its periphery forms a bevel.
  • the calibration template according to the invention is still characterized in that, on at least a portion of the portion circular in outline, its periphery is smooth and cylindrical.
  • This calibration takes advantage of this portion smooth and cylindrical around the periphery of the calibration template according to the invention to know the overall diameter of a grinding wheel in the case of a roughing wheel or a grinding wheel finishing in ice mode, and thus power later satisfy the overcalibration value to be respected for the corresponding draft, however, that by doing the same with the portion of this periphery forming a bevel, it is also possible to satisfy the ratings to be respected for the finished ophthalmic lens.
  • the calibration template according to the invention is further characterized in that it comprises two hollow bosses, which, angularly offset from each other, make each protruding respectively on its two faces while being in continuity with each other, the bottom of each of these hollow bosses connecting continuously with the top of the other by a connecting wall, which, common to both hollow bosses, extends from one to the other of these.
  • the grinder has at least one probe which, by application to one and / or the other of the faces of the ophthalmic lens, allows a reading of trajectories to the right of the end of the bevel to ensure, it takes advantage, during calibration, of the hollow bosses of the template according to the invention to check the position of the or probes thus present on the grinder, and power so later properly determine the position to be observed for the ophthalmic lens.
  • These hollow bosses also advantageously allow to check the linearity of this or these probes.
  • the grinder 10 comprises, overall, on the one hand, a scale 11, which is mounted freely pivoting around a first axis A1, in practice a horizontal axis, on a chassis not shown, and which, for the support and maintenance of an ophthalmic lens 12 to be machined, is equipped with two support pins 13 aligned one with the other along a second axis A2 parallel to the first axis A1 and duly driven in rotation by a motor also not shown, and, on the other hand, at least one grinding wheel 14, which is stalled in rotation on a third axis A3 parallel to the first axis A1, and which is also duly rotated by an engine not shown.
  • grinding wheels 14 are provided in parallel on the third axis A3, for a roughing and a finishing of the ophthalmic lens 12 to be machined, and the assembly is carried by a carriage, also not shown, mounted movable parallel to the first axis A1.
  • FIG. 1 only a grinding wheel 14 has been provided, and in practice it is a finishing wheel having a groove 15 for machining a bevel on the lens ophthalmic 12.
  • the grinder 10 further comprises a link 16, which, articulated to the chassis around the same first axis A1 as the flip-flop 11 at one of its ends, is articulated, at the other of its ends, following a fourth axis A4 parallel to the first axis A1, with a nut 17 movable climb along a fifth axis A5, commonly known as the axis restitution, perpendicular to the first axis A1, with, intervening between this link 16 and the rocker 11, a contact sensor 18.
  • a link 16 which, articulated to the chassis around the same first axis A1 as the flip-flop 11 at one of its ends, is articulated, at the other of its ends, following a fourth axis A4 parallel to the first axis A1, with a nut 17 movable climb along a fifth axis A5, commonly known as the axis restitution, perpendicular to the first axis A1, with, intervening between this link 16 and the rocker 11, a contact sensor 18.
  • the nut 17 is a tapped nut in screwed engagement with a rod threaded 38 which, aligned along the fifth axis A5, is driven in rotation by a motor 19.
  • the contact sensor 18 is consisting of a Hall effect cell.
  • the ophthalmic lens 12 to be machined When, duly clamped between the two pins of support 13, the ophthalmic lens 12 to be machined is brought to the contact with grinding wheel 14, it is being removed number of materials until flip-flop 11 abuts against the link 16 following a support which, being level of the contact sensor 18, is duly detected by this one.
  • control unit duly programmed for this purpose, and not shown, coordinates this double surgery.
  • the first axis A1 and the third axis A3 being fixed axes on the chassis of the assembly, it agrees that, in the overall rotation frame, the angular position of the second axis A2 relative to the third axis A3, defined by the angle T made by the flip-flop 11 by relation to the plane containing the first axis A1 and the third axis A3, can be duly identified.
  • the calibration template 20 shown in the figures 3 to 8 in particular aims to facilitate this calibration.
  • This calibration template 20 which is intended to be mounted on the grinder 10 to be calibrated, instead of a ophthalmic lens 12, comes in the general form of a disc, of general thickness E, with, projecting in its central zone, a hollow boss 21 suitable for allowing its mounting on the support pins 13 of this grinder 10.
  • the outline 22 of this calibration template 20 is circular over at least part of its perimeter, specified later, but locally forms two points angular 23, which, circumscribed by the same circumference C, are angularly separated from each other.
  • these angular points 23 delimit two angles at the center.
  • the outline 22 of the calibration template 20 is generally concave in the angle at the center A'1 the most low.
  • the circumference C which circumscribes the two angular points 23 is the one along which the circular part 22A of the outline 22.
  • the two angular points 23 generally result from the intersection of this circular part 22A with a notch 22B notching the periphery of the calibration template 20.
  • the contour 22 of the calibration template 20 has, overall, two parts, namely, a part circular 22A, which extends at the angle at the center A'2 the more developed, and a concave part which is formed by the notch 22B notching its periphery, and which extends along the lowest center angle A'1.
  • the notch 22B itself has in practice a profile globally circular.
  • the two angular points 23 of the contour 22 are separated one of the other 90 °.
  • the angle at the center A'1 which underlies them is equal to 90 °.
  • the periphery of the template calibration 20 according to the invention forms a bevel 25 ', 25' '.
  • the periphery of the calibration template 20 forms a 25 ', 25' 'bevel on two separate 24', 24 '' portions, at least, of the circular part 22A of its contour 22, and the 25 ', 25' 'corresponding bevels are different.
  • the dihedral D 'formed by the bevel 25' is equal to 90 °, figure 7, while that D '' that forms the bevel 25 '' is equal to 120 °, figure 8.
  • the two corresponding 24 ', 24' 'portions of the periphery of the template 20 are adjacent, and, generally arranged at distance from one and from the other of the angular points 23, they each extend at an angle to the center substantially equal to 60 °.
  • bevels 25 ', 25' 'each have their edges truncated by a flat cylindrical.
  • the periphery of the template calibration 20 according to the invention is smooth and cylindrical.
  • two smooth, cylindrical 26 ', 26' 'portions are provided, count, each respectively, of the two angular points 23.
  • the portion 26 ' extends along a angle at the center substantially equal to 60 °, while the other, the portion 26 '', extends at a substantially central angle equal to 90 °.
  • the calibration template 20 also comprises two hollow bosses 27A, 27B, which angularly offset from each other, each make respectively protruding on its two faces 28A, 28B while being in continuity with each other, the bottom 29 of each of these hollow bosses 27A, 27B connecting continuously with the top 30 of the other by a connecting wall 31, which, common to the two hollow bosses 27A, 27B, extends from one to the other of these, crossing right through the general thickness E even of the calibration template 20.
  • the connecting wall 31 extends generally at an angle with respect to the faces 28A, 28B, making for example with each of these an angle of the order of 45 °, and it is a flat wall whose thickness e , which is that of all the walls of the hollow bosses 27A, 27B, is much less than the general thickness E of the calibration template 20.
  • bosses hollows 27A, 27B extend generally circularly, to distance from the circular part 22A of the contour 22, in the most developed center angle A'2.
  • the bottom 29 of these hollow bosses 27A, 27B is flat, and it extends substantially parallel to the faces 28A, 28B of the calibration template 20.
  • the calibration template 20 has a lug 32A, 32B projecting from each of its faces 28A, 28B.
  • these pins 32A, 32B are at the right of each other.
  • this rocker 11 is lowered, under the control of the nut 17, until the calibration template 20 comes to bear on the grinding wheel 14 by one of its angular points 23, such as shown in Figure 9A.
  • the contact sensor 18 detects the corresponding contact.
  • the calibration template 20 then rests on the grinding wheel 14 by its two angular points 23, as shown in Figure 9C.
  • the angular value corresponding to the minimum reading R obtained is put in memory, and it will be used as a reference for establishing deposit tables for the second axis A2 to be respected during the machining of an ophthalmic lens 12.
  • the template calibration 20 is then applied to the grinding wheel 14 by that of its bevels 25 ', 25 "which corresponds to the groove 15 of this one.
  • the calibration template 20 is then in the position shown in Figure 10B, for which it is engaged by its bevel 25 ', or 25' ', in the groove 15 of the grinding wheel 14.
  • the value of the Z position of the grinding wheel 14 on the third axis A3 is then stored, and it is she who will be taken into account for the establishment of the return instructions.
  • These operations also determine the diameter of the grinding wheel 14 at the bottom of its groove 15, if, as in the present case, it is a finishing wheel, and, by operations analogues then bringing into play a portion 26 ', 26' 'smooth and cylindrical of the calibration template 20, the overall diameter of this grinding wheel 14, if it is a grinding wheel roughing.
  • the corresponding value is memory, and it will be used for establishment of refund deposit tables.
  • the grinder 10 has at minus one probe 35, and, for example, two probes 35, as shown, the linearity of these, after the pins 32A, 32B have allowed visually check the position.
  • the feelers 35 are first brought into back gauge, so that the origin of their local benchmarks are well defined.
  • the calibration template 20 is then pivoted around the second axis A2, so that, as shown schematically in broken lines in FIG. 11, the probes 35 arrive in contact with the bottom 29 and the top 30 of the hollow boss 27B.
  • the The values read are, as before, stored in memory.
  • the present invention is not not limited to the embodiment described and shown, but includes any variant of execution and / or implementation work, in particular with regard to the order of operations to during the implementation of the calibration template according to the invention.

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  • 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)
  • Eyeglasses (AREA)

Claims (17)

  1. Kalibrierschablone zum Kalibrieren einer ophthalmischen Linsenschleifmaschine, dadurch gekennzeichnet, daß sie, da sie bestimmt ist, anstatt und am Ort einer ophthalmischen Linse (12) auf der zu kalibrierenden Schleifmaschine (10) angeordnet zu sein, die allgemeine Form einer Scheibe aufweist, und daß, kreisförmig auf wenigstens einem Teil ihres Umfangs, ihre Kontur (22) örtlich zwei kantige Spitzen bzw. Ecken (23) ausbildet, die umschrieben von einem gemeinsamen Umfang (C) unter einem Winkel voneinander beabstandet sind.
  2. Kalibrierschablone nach Anspruch 1, dadurch gekennzeichnet, daß in dem kleinsten (A'1) der zwei Winkel im Zentrum (A'1, A'2), die durch die kantigen Spitzen (23) begrenzt sind, ihre Kontur (22) im wesentlichen konkav ist.
  3. Kalibrierschablone nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Umfang (C), welcher die zwei kantigen Spitzen (23) ihrer Kontur (22) umschreibt bzw. begrenzt, jener ist, entlang welchem sich der kreisförmige Teil (22A) desselben erstreckt.
  4. Kalibrierschablone nach Anspruch 3, dadurch gekennzeichnet, daß die zwei kantigen Spitzen (23) ihrer Kontur (22) aus dem Schnitt des kreisförmigen Teils (22A) derselben mit einer ihren Umfang einschneidenden Kerbe bzw. Ausnehmung (22B) resultieren.
  5. Kalibrierschablone nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zwei kantigen Spitzen (23) ihrer Kontur (22) voneinander um 90° beabstandet sind.
  6. Kalibrierschablone nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß auf wenigstens einem Bereich bzw. Abschnitt (24', 24'') des kreisförmigen Teils (22A) ihrer Kontur (22) ihr Umfang eine Abschrägung (25', 25'') ausbildet.
  7. Kalibrierschablone nach Anspruch 6, dadurch gekennzeichnet, daß ihr Umfang eine Abschrägung (25', 25'') auf wenigstens zwei verschiedenen Bereichen (24', 24'') des kreisförmigen Teils (22A) ihrer Kontur (22) aufweist und daß die entsprechenden Abschrägungen (25', 25'') verschieden sind.
  8. Kalibrierschablone nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß auf wenigstens einem Abschnitt (26', 26'') des kreisförmigen Teils (22A) ihrer Kontur (22) ihr Umfang glatt und zylindrisch ist.
  9. Kalibrierschablone nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß sie zwei hohle Buckel (27A, 27B) umfaßt, die unter einem Winkel voneinander beabstandet jeweils entsprechend über ihre zwei Seiten bzw. Seitenflächen (28A, 28B) vorspringen, wobei sie aneinander anschließen, wobei der Boden (29) jedes dieser hohlen Buckel (27A, 27B) kontinuierlich an den Scheitel (30) des anderen über eine Verbindungswand (31) anschließt, welche sich, den zwei hohlen Buckeln (27A, 27B) gemeinsam, von einem zum anderen derselben erstreckt.
  10. Kalibrierschablone nach Anspruch 9, dadurch gekennzeichnet, daß die den zwei hohlen Buckeln (27A, 27B) gemeinsame Verbindungswand (31) sich im allgemeinen schief in bezug auf ihre Seiten (28A, 28B) erstreckt.
  11. Kalibrierschablone nach einem der Ansprüche 9 oder 10, dadurch gekennzeichnet, daß die den zwei hohlen Buckeln (27A, 27B) gemeinsame Verbindungswand (31) eben ist.
  12. Kalibrierschablone nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß der Boden (29) der zwei hohlen Buckel (27A, 27B) eben ist.
  13. Kalibrierschablone nach Anspruch 12, dadurch gekennzeichnet, daß sich der Boden (29) der zwei hohlen Buckel (27A, 27B) parallel zu ihren Seiten (28A, 28B) erstreckt.
  14. Kalibrierschablone nach einem der Ansprüche 9 bis 13, dadurch gekennzeichnet, daß sich die zwei hohlen Buckel (27A, 27B) im wesentlichen kreisförmig erstrecken.
  15. Kalibrierschablone nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß sie einen über jede ihrer Seiten (28A, 28B) vorspringenden Nocken bzw. Vorsprung (32A, 32B) aufweist.
  16. Kalibrierschablone nach Anspruch 14, dadurch gekennzeichnet, daß von einer ihrer Seiten (28A, 28B) zur anderen die Nocken (32A, 32B) gerade von einem zum anderen sind.
  17. Verfahren zum Kalibrieren einer Schleifmaschine (10) für eine ophthalmische Linse (12), dadurch gekennzeichnet, daß es den Einsatz einer Kalibrierschablone (20) nach einem der Ansprüche 1 bis 16 bedingt.
EP96401105A 1995-05-24 1996-05-22 Kalibrierschablone zum Kalibrieren einer ophthalmischen Linsenschleifmaschine und entsprechendes Verfahrens Expired - Lifetime EP0744246B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9506239 1995-05-24
FR9506239A FR2734505B1 (fr) 1995-05-24 1995-05-24 Gabarit de calibrage pour l'etalonnage d'une meuleuse pour lentille ophtalmique, et procede d'etalonnage correspondant

Publications (2)

Publication Number Publication Date
EP0744246A1 EP0744246A1 (de) 1996-11-27
EP0744246B1 true EP0744246B1 (de) 1999-03-17

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EP96401105A Expired - Lifetime EP0744246B1 (de) 1995-05-24 1996-05-22 Kalibrierschablone zum Kalibrieren einer ophthalmischen Linsenschleifmaschine und entsprechendes Verfahrens

Country Status (6)

Country Link
US (1) US5806198A (de)
EP (1) EP0744246B1 (de)
JP (1) JP3872132B2 (de)
DE (1) DE69601748T2 (de)
ES (1) ES2128823T3 (de)
FR (1) FR2734505B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5960550A (en) * 1997-07-31 1999-10-05 Sola International, Inc. Device and method for marking ophthalmic lenses and molds
FR2784919B1 (fr) * 1998-10-22 2001-02-09 Essilor Int Procede pour l'etalonnage d'une meuleuse pour lentille ophtalmique, et calibre d'etalonnage propre a sa mise en oeuvre
FR2838363B1 (fr) * 2002-04-12 2004-12-24 Essilor Int Procede de meulage d'une lentille ophtalmique comportant une etape de releve sans contact
FR2838364B1 (fr) 2002-04-12 2005-01-07 Essilor Int Procede de chanfreinage d'une lentille ophtalmique comporatnt une etape de releve sans contact
FR2851947B1 (fr) * 2003-03-07 2006-09-22 Essilor Int Procede d'usinage d'une lentille ophtalmique.
FR2860888B1 (fr) * 2003-10-10 2006-03-17 Briot Int Procede d'etalonnage d'une machine de percage de verres ophtalmiques, dispositif pour la mise en oeuvre d'un tel procede, et appareil d'usinage de verres opthalmiques equipe d'un tel dispositif.
JP4908755B2 (ja) * 2004-12-21 2012-04-04 ヴァルター マシーネンバウ ゲゼルシャフト ミット ベシュレンクテル ハフツング 研削機械の較正方法および再較正方法並びに当該方法を実行するデバイスを有する機械
FR2893523B1 (fr) * 2005-11-21 2008-01-18 Essilor Int Methode d'etalonnage d'une meuleuse et dispositif correspondant
JP5500583B2 (ja) * 2009-09-30 2014-05-21 株式会社ニデック 眼鏡レンズ加工装置
JP5500579B2 (ja) * 2009-09-30 2014-05-21 株式会社ニデック 眼鏡レンズ加工装置の較正用センサユニット
JP5500584B2 (ja) * 2010-03-02 2014-05-21 株式会社ニデック 眼鏡レンズ加工装置
FR2966072B1 (fr) 2010-10-15 2012-10-19 Essilor Int Gabarit d'etalonnage d'une machine d'usinage d'une lentille ophtalmique, dispositif et procede utilisant un tel gabarit
KR102055137B1 (ko) * 2017-09-27 2019-12-12 주식회사 휴비츠 홀 센서를 이용한 안경 렌즈 가공 장치 및 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US69953A (en) * 1867-10-15 Improvement in fixed calipee gauges
US2190582A (en) * 1938-06-30 1940-02-13 Fayette E Wolf Template for edging lenses
US2317925A (en) * 1940-05-28 1943-04-27 American Optical Corp Gauge
US3501842A (en) * 1967-10-17 1970-03-24 Univis Inc Method and apparatus for blocking multifocal lens blanks
US4299032A (en) * 1980-04-21 1981-11-10 American Optical Corporation Spectacles lens-frame fitting coordinator
FR2543039B1 (fr) * 1983-03-22 1985-08-09 Essilor Int Procede pour le biseautage d'une lentille ophtalmique, et machine a meuler automatique correspondante
US4727654A (en) * 1985-11-14 1988-03-01 James Industries Co. Lens pattern blank
FR2644718A1 (fr) * 1989-03-23 1990-09-28 Briot Internal Dispositif de reetalonnage d'une machine a meuler les verres ophtalmiques pour rattraper l'usure de la meule
US5050310A (en) * 1989-10-13 1991-09-24 Jiles Stephen L Plastic-pipe ovality gauge

Also Published As

Publication number Publication date
EP0744246A1 (de) 1996-11-27
JPH08318458A (ja) 1996-12-03
FR2734505A1 (fr) 1996-11-29
DE69601748T2 (de) 1999-12-30
US5806198A (en) 1998-09-15
DE69601748D1 (de) 1999-04-22
ES2128823T3 (es) 1999-05-16
JP3872132B2 (ja) 2007-01-24
FR2734505B1 (fr) 1997-08-01

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