EP0640435B1 - Schleifmaschine - Google Patents

Schleifmaschine Download PDF

Info

Publication number
EP0640435B1
EP0640435B1 EP94112956A EP94112956A EP0640435B1 EP 0640435 B1 EP0640435 B1 EP 0640435B1 EP 94112956 A EP94112956 A EP 94112956A EP 94112956 A EP94112956 A EP 94112956A EP 0640435 B1 EP0640435 B1 EP 0640435B1
Authority
EP
European Patent Office
Prior art keywords
axis
grinder
machine according
slider
machined
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
EP94112956A
Other languages
English (en)
French (fr)
Other versions
EP0640435A1 (de
Inventor
Michel Rollier
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.)
Rollomatic SA
Original Assignee
Rollomatic SA
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 Rollomatic SA filed Critical Rollomatic SA
Publication of EP0640435A1 publication Critical patent/EP0640435A1/de
Application granted granted Critical
Publication of EP0640435B1 publication Critical patent/EP0640435B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • 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
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/065—Steady rests

Definitions

  • the present invention relates to a grinding machine for the machining of revolutionary parts, in particular in hard materials such as carbides, high-speed steels etc. It relates to more particularly a machine for grinding small diameter parts over a long length.
  • the workpiece is fixed in a workpiece spindle to be driven in rotation about its axis of revolution, the spindle making part of a doll which is integral with the frame of the machine.
  • a movable slide comprising a wheel.
  • the slide can be moved, usually at by means of a digital control device, along an axis longitudinal and a transverse axis, oriented respectively parallel and perpendicular to the axis of revolution of the workpiece and which is also the axis of rotation of the brooch.
  • both slides can be programmed so the part has a profile of predetermined shape.
  • Such machines allow machining in good part conditions including the length to diameter ratio, ratio which will be designated subsequently by K, does not exceed around 10.
  • a machine according to the preamble of claim 1 is known, for example from CH-A-381554.
  • the fig. 1 shows the main components of such a machine Profile view.
  • the workpiece 1 rests on a support 2, while being enclosed by a roller 3 and by a grinding wheel 4.
  • roller 3 the surface of which has a high coefficient of friction, rotates in opposite direction that of grinding wheel 4, this direction being chosen so that the roller and grinding wheel apply part 1 to support 2.
  • the roller rotates the part 1 and makes possible its machining by the grinding wheel.
  • These machines allow the machining of cylindrical parts of approximately one millimeter in diameter at least over a length of a few centimeters, length equal to the width of the wheel. The corresponding K ratio can thus reach at best 100.
  • the present invention proposes to provide a grind with significantly more machining possibilities areas, especially with respect to the K report, that the cumulative possibilities of existing machines.
  • the grinding machine according to the invention for machining parts of revolution includes the features contained in claim 1.
  • reference 10 designates a doll which has a workpiece pin 11 used to fix, for example by means of a mandrel 12, the workpiece 1, the shape of which is that of a body of revolution.
  • Spindle 11 rotates the part 1 around its axis of revolution aa 'in order to allow its machining, as it is shown in more detail in fig. 5.
  • the doll 10 is arranged on the frame, not shown, of the grinding machine. Whereas in conventional machines the headstock is rigidly fixed to the frame, in the present realization the headstock 10 is movable in translation on the frame along a longitudinal axis X parallel to the axis aa '. In this effect the doll is arranged on slides or rails 13 of the frame, the translational movement being obtained by means of a motor 14 integral with the frame and a transmission member 15, for example a lead screw arranged between the engine and the doll.
  • Part of the workpiece 1 leaving the mandrel 12 takes support against a support 16, rigidly fixed on the frame of the machine.
  • the support 16 which will be described in detail below, used to hold this part of part 1 in a position well defined in relation to the frame, while allowing it to rotate around the axis aa '.
  • a slide 17 which supports a grinding wheel 18 intended to machine the part 1.
  • the slide is movable in translation on the frame along an axis transverse Y, as in conventional machines, its displacement being obtained either manually or using a motor not shown.
  • the Y axis and the axis of rotation of the grinding wheel 18 are oriented respectively perpendicular and parallel to the X axis, but different orientations of these axes could also suit.
  • the slide 17 can still be moved, for example manually, in the direction of the X axis.
  • the operation of the grinding machine shown in the fig. 2 is as follows.
  • the workpiece 1 once fixed in the spindle 11, the doll 10 is arranged on the slides 13 in a place allowing it to move towards the support 16 at a distance at least equal to the length in front to be ground.
  • the end free of part 1 must be engaged in support 16 without exceed it.
  • the slide 17 is then moved along the axis X so as to bring the grinding wheel 18 as close as possible to the support 16, without touching it, then along the Y axis to place the grinding wheel at a distance from the axis aa 'equal to radius that the finished part must have.
  • the translation of the doll 10 to support 16 can start.
  • the end of the part 1 then comes into contact with the grinding wheel 18 so that this brings by abrasion its diameter to the desired value.
  • the grinding wheel 18 being placed in the immediate vicinity of the support 16, the part of part 1 which is subjected to the action of the tool has a very small overhang. Bending of the part is in these conditions negligible, which guarantees a high machining precision over a length in principle arbitrary, equal to the displacement of the doll.
  • the diameter of the piece 1 is small, and its length important, its machined end must be guided, introducing it for example into a tube not shown.
  • the signal from command S acts, via electrical connections not shown, on the engine 14, and on the engine of the slide 17 which drives it parallel to the Y axis.
  • the control unit 20 controls this unit for that the part 1 is machined so that its diameter varies, at less over part of its length, according to a law predetermined.
  • An example of a part thus machined is shown in fig. 5.
  • the machine has a another grinding wheel 21, which can be arranged on another slide 22.
  • This slide is movable according to X and Y axes, the displacement along the Y axis being preferably obtained by means of a motor not shown receiving the control signal S.
  • the grinding wheel 18 can be a roughing wheel, and wheel 21 a finishing wheel. This last wheel must be placed at a distance a little larger of the support 16 than the grinding wheel 18, and the program of the control unit 20 take this offset into account.
  • the use of two grinding wheels increases the speed machining and improve the condition of the machined surface.
  • Support 16 an embodiment of which is shown in fig. 3a and 3b, is an essential part of the machine to be ground according to the invention.
  • Reference 25 designates on these figures a support foot rigidly fixed on the frame of the machine, this foot being shown profitably in FIG. 3a and in plan on fig. 3b.
  • the free part of the foot has a notch 26, V-shaped, in which the part is arranged to be machined 1.
  • the notch is delimited by a face 27 which comprises, in the present case, two plane faces 28 and 29, parallel to the axis of revolution aa 'and forming between them a angle of about 90 degrees.
  • the face 27 serves as a support for the part 1, the shape of which, before being machined, is that of a cylinder circular section.
  • the flat faces 28 and 29 are advantageously constituted by plates made of hard material.
  • Workpiece 1 is also firmly held in the notch 26 by a pressure roller 30.
  • This roller is movable in rotation about an axis parallel to axis aa ', and it exerts a sufficient force, typically of 50 kg, on piece 1 to prevent it from moving radially while allowing it to rotate.
  • the support 16 is arranged on the machine frame so that the line joining the center of the roller 30 to that of the piece 1 is a perpendicular straight line passing through the line defined by the intersection of the planar faces 28 and 29 of notch 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Claims (7)

  1. Schleifmaschine zum spanabhebenden Bearbeiten sich drehender Werkstücke, besonders aus Hartmetall, die ein großes Verhältnis von Länge zu Durchmesser haben,
    mit einem Bett und mit einem auf dem Bett angeordneten Spindelstock (10), der eine das Werkstück tragende Spindel (11) aufweist, wobei die Spindel ein zu bearbeitendes Werkstück (1) um seine Drehachse (aa') in Drehung versetzt und ein Schlitten (17) eine Schleifscheibe (18) trägt, die sich um eine Drehachse dreht, und
    mit einem an dem Bett festgelegten Auflager (16), das einem Teil des zu bearbeitenden Werkstücks (1), der sich außerhalb der Spindel (11) befindet, als Auflage dient,
    dadurch gekennzeichnet, daß sie
    Einrichtungen (13, 14, 15) zum Verschieben des Spindelstocks (10) auf dem Bett auf einer Längsachse (X), die parallel zur Drehachse (aa') ist, wobei die Schleifscheibe (18) so in der Nähe des Auflagers (16) und in Kontakt mit dem Werkstück (1) angeordnet ist, daß dessen Durchmesser durch Abschleifen auf einer Länge, die der Verschiebung des Spindelstocks entspricht, auf den gewünschten Wert gebracht wird, und
    eine weitere Schleifscheibe (21) aufweist, die das Werkstück (1) gleichzeitig mit der Schleifscheibe (18) bearbeitet und die im wesentlichen gegenüber von der Schleifscheibe (18) angeordnet ist.
  2. Maschine nach Anspruch 1, dadurch gekennzeichnet, daß die Schleifscheibe (18) eine Schleifscheibe für die Grobbearbeitung und die weitere Schleifscheibe (21) eine Schleifscheibe für die Feinbearbeitung ist, wobei das Werkstück (1) in dieser Reihenfolge von diesen beiden Schleifscheiben bearbeitet wird.
  3. Maschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Drehachse der Schleifscheibe (18) bezüglich der Längsachse (X) geneigt ist.
  4. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Schlitten (17) auf dem Bett gemäß einer Querachse (Y) translatorisch verschiebbar ist und daß die Verschiebungen des Spindelstocks und des Schlittens mittels einer programmierten digitalen Steuervorrichtung (20) erreicht werden, damit sich der Durchmesser des zu bearbeitenden Werkstücks (1) nach Vorgabe ändert.
  5. Maschine nach Anspruch 4, dadurch gekennzeichnet, daß die Querachse (Y) senkrecht zur Längsachse (X) ist.
  6. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die weitere Schleifscheibe (21) auf einem weiteren Schlitten (22) angeordnet ist.
  7. Maschine nach Anspruch 6, dadurch gekennzeichnet, daß der weitere Schlitten (22) auf dem Bett auf der Querachse (Y) translatorisch verschiebbar ist und daß die Verschiebung des weiteren Schlittens mittels der digitalen Steuervorrichtung (20) erreicht wird.
EP94112956A 1993-08-24 1994-08-19 Schleifmaschine Expired - Lifetime EP0640435B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2509/93 1993-08-24
CH02509/93A CH689350A5 (fr) 1993-08-24 1993-08-24 Machine à meuler.
CH250993 1993-08-24

Publications (2)

Publication Number Publication Date
EP0640435A1 EP0640435A1 (de) 1995-03-01
EP0640435B1 true EP0640435B1 (de) 1999-12-01

Family

ID=4235395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94112956A Expired - Lifetime EP0640435B1 (de) 1993-08-24 1994-08-19 Schleifmaschine

Country Status (5)

Country Link
US (1) US5667432A (de)
EP (1) EP0640435B1 (de)
JP (1) JP3331545B2 (de)
CH (1) CH689350A5 (de)
DE (1) DE69421859T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10532439B2 (en) 2012-05-30 2020-01-14 Vollmer Werke Maschinenfabrik Gmbh Device for sharpening tools with cutters, such as for example drills, milling tools or the like

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307101B1 (de) * 1987-09-09 1994-02-02 Zeneca Limited Chemisches Verfahren
US5865667A (en) * 1996-05-22 1999-02-02 Rollomatic S.A. Grinding machine
US6106373A (en) * 1997-04-02 2000-08-22 Fabris; Mario Multi-task grinding wheel machine
US6216045B1 (en) 1999-04-26 2001-04-10 Advanced Neuromodulation Systems, Inc. Implantable lead and method of manufacture
JP2001315032A (ja) * 2000-05-08 2001-11-13 Mori Seiki Co Ltd 工作機械
US7226340B2 (en) * 2004-03-05 2007-06-05 Alfred H. Schutte Gmbh & Co. Kg Grinding machine
EP1640114A1 (de) * 2004-09-24 2006-03-29 Rollomatic S.A. Spindelhalterung
DE102005014108A1 (de) * 2005-03-22 2006-09-28 Schott Ag Schleifverfahren und Schleifmaschine
DE102007023894A1 (de) * 2007-05-23 2008-11-27 Robert Bosch Gmbh Vorrichtung zum Rundschleifen wenigstens eines Abschnittes eines Bauteiles
DE102009059897B4 (de) 2009-12-21 2013-11-14 Erwin Junker Maschinenfabrik Gmbh Verfahren zum Rundschleifen von langen, dünnen Rundstangen und Rundschleifmaschine zur Durchführung des Verfahrens
DE102010026663A1 (de) * 2010-07-09 2012-01-12 Emag Holding Gmbh Schleifmaschine zum Schleifen von Nockenscheiben
JP5823181B2 (ja) * 2011-06-17 2015-11-25 長島精工株式会社 研削盤
DE102011110118B4 (de) * 2011-08-15 2015-07-09 Emag Holding Gmbh Simultanschleifmaschine
JP6043597B2 (ja) * 2012-11-13 2016-12-14 株式会社シギヤ精機製作所 振止め装置を有する工作機械
CH712809B1 (de) * 2015-07-13 2019-07-15 Rollomatic Sa Verfahren und Schleifmaschine zum Spanen eines Werkstücks.
KR101884688B1 (ko) * 2016-11-30 2018-08-02 (주)선우정밀 환봉 가공 및 이송 장치
CN106926077B (zh) * 2017-04-14 2018-11-16 无锡威孚马山油泵油嘴有限公司 一种油嘴偶件端面磨削工装及其磨削工艺
DE102017123824B4 (de) * 2017-10-13 2020-06-04 Schaeffler Technologies AG & Co. KG Honmaschine und Verwendung einer Honmaschine
CN110936275A (zh) * 2019-11-25 2020-03-31 安徽泰格钢结构制品有限公司 一种钢管内壁除锈设备
CN110802454B (zh) * 2019-11-26 2021-12-03 深圳市劲驰汽车配件有限公司 一种高精度汽车制动盘双面同磨设备
CN110919475B (zh) * 2019-12-16 2021-07-20 嘉善翔宇旅游用品有限公司 一种便于调节的旅行箱包生产用拉杆打磨装置
CN111604741A (zh) * 2020-05-29 2020-09-01 杨二春 一种低损耗的交替式砂光机
CN112318253B (zh) * 2020-10-23 2022-01-18 上海勤达科技有限公司 一种高端装备制造中冷轧钢板半自动打磨装置
DE102021125106A1 (de) 2021-09-28 2023-03-30 Vollmer Werke Maschinenfabrik Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zum Schleifbearbeiten eines länglichen Werkstücks

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017875A (en) * 1932-12-05 1935-10-22 Frederick J Theler Lapping machine
US2127210A (en) * 1937-07-31 1938-08-16 Norton Co Grinding and lapping machine
US2322620A (en) * 1939-11-04 1943-06-22 Ekholm Carl Gustav Centerless grinding machine
US2764801A (en) * 1953-09-29 1956-10-02 Racine Hydraulics And Machiner Rotary pipe cutter
CH381554A (fr) * 1962-03-30 1964-08-31 Ls Eggli Weibel & Co Societe A Dispositif d'appui latéral d'une pièce entraînée en rotation par la poupée d'une machine à rectifier
BG37414A1 (en) * 1983-04-05 1985-06-14 Atanasov Round- grinding machine for external and internal grinding with digital programme control
JPS59219139A (ja) * 1983-05-27 1984-12-10 Toyoda Mach Works Ltd センタレス研削盤における心高制御装置
CH663740A5 (en) * 1984-09-14 1988-01-15 Werner G Pfister Machine for parting-off work to length - has stop on precision-adjusting slide and coupled to measurement mechanism
GB2206511B (en) * 1987-07-02 1991-03-13 Univ Bristol Centreless grinding
CH675219A5 (de) * 1988-04-15 1990-09-14 Harold Habegger
CH682380A5 (de) * 1990-07-25 1993-09-15 Agathon Ag Maschf Verfahren und Vorrichtung zum Aussenrundschleifen eines zylindrischen Werkstückes.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10532439B2 (en) 2012-05-30 2020-01-14 Vollmer Werke Maschinenfabrik Gmbh Device for sharpening tools with cutters, such as for example drills, milling tools or the like

Also Published As

Publication number Publication date
DE69421859D1 (de) 2000-01-05
JPH0775948A (ja) 1995-03-20
EP0640435A1 (de) 1995-03-01
DE69421859T2 (de) 2000-05-18
US5667432A (en) 1997-09-16
CH689350A5 (fr) 1999-03-15
JP3331545B2 (ja) 2002-10-07

Similar Documents

Publication Publication Date Title
EP0640435B1 (de) Schleifmaschine
FR2475446A1 (fr) Machine automatique de meulage de lentilles
FR2667530A1 (fr) Procede et appareil de rectification des manetons de vilebrequin.
FR2553323A1 (fr) Procede et machine pour le biseautage ou rainurage d'une lentille ophtalmique
FR2609660A1 (fr) Machine a meuler, notamment pour meuler des branches de ciseaux
FR2828733A1 (fr) Appareil d'essai d'engrenage a deux flancs
FR2490132A1 (de)
EP2029322B1 (de) Verfahren und werkzeugmaschine zur bearbeitung eines optischen objekts
EP1957236B1 (de) Anordnung zum handschleifen einer fläche eines fahrzeugaufbauteils
EP0196941B1 (de) Vorrichtung zum Schleifen und Polieren der senkrechten Kante eines Steins oder eines vorgefertigten massiven Elementes
EP1993797B1 (de) Bohrverfahren für brillenglas zur erzielung der gewünschten form und grösse eines in dieses glas zu bohrenden loches
EP0811448B1 (de) Regelvorrichtung der Position einer Bearbeitungsspindel
FR2588792A1 (fr) Procede et dispositif d'usinage ou de controle sur site pour pieces rotatives
EP0478439B1 (de) Maschine zur Herstellung von geschliffenen Schrauben ausgehend von Stäben
EP0175164B1 (de) Vorrichtung um die axiale Position eines auf einer werkzeugmaschine zu bearbeitenden Werkstückes zu messen, insbesondere auf einer Schleifmaschine für äussere zylindrische Flächen
FR2694715A1 (fr) Procédé et appareil de rectification des manetons de villebrequin.
FR2850050A1 (fr) Procede de meulage d'une lentille ophtalmique et machine de meulage associee
FR2876937A1 (fr) Machine a polir des eprouvettes
FR2621509A1 (fr) Procede et appareil pour usiner en finition une surface de dent d'un engrenage
FR2593732A1 (fr) Dispositif destine a usiner un tube de section circulaire, notamment, a coupe oblique
CH658423A5 (fr) Ensemble forme d'une meule et de son manchon.
FR2488541A1 (fr) Machine de rectification a transfert de pieces
EP0768147A1 (de) Schleifmaschine für Bremsscheiben
FR2621845A1 (fr) Dispositif de dressage de meules, pour le meulage des bords de la bague exterieure de roulements a rouleaux cylindriques
CH365968A (fr) Procédé pour le débordage de lentilles ou verres de lunettes et dispositif pour la mise en oeuvre de ce procédé

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB IT LI

17P Request for examination filed

Effective date: 19950502

17Q First examination report despatched

Effective date: 19970415

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB IT LI

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19991201

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19991201

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69421859

Country of ref document: DE

Date of ref document: 20000105

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: INFOSUISSE INFORMATION HORLOGERE ET INDUSTRIELLE

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19991201

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20011031

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000831

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCAR

Free format text: INFOSUISSE INFORMATION HORLOGERE ET INDUSTRIELLE;18, RUE DU GRENIER;2302 LA CHAUX-DE-FONDS (CH)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20130828

Year of fee payment: 20

Ref country code: DE

Payment date: 20130828

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69421859

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20140820