EP0485305B1 - Electronic ignition device for apparatus using gaseous fuel especially for a gas lighter - Google Patents
Electronic ignition device for apparatus using gaseous fuel especially for a gas lighter Download PDFInfo
- Publication number
- EP0485305B1 EP0485305B1 EP91420356A EP91420356A EP0485305B1 EP 0485305 B1 EP0485305 B1 EP 0485305B1 EP 91420356 A EP91420356 A EP 91420356A EP 91420356 A EP91420356 A EP 91420356A EP 0485305 B1 EP0485305 B1 EP 0485305B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fixed
- generator
- electrode
- terminal
- ignition
- 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
Links
- 239000000446 fuel Substances 0.000 title description 3
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 229910000639 Spring steel Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/28—Lighters characterised by electrical ignition of the fuel
- F23Q2/285—Lighters characterised by electrical ignition of the fuel with spark ignition
- F23Q2/287—Lighters characterised by electrical ignition of the fuel with spark ignition piezoelectric
Definitions
- the present invention relates to an electronic ignition device for an apparatus consuming gaseous fuel and, in particular, for a gas lighter.
- An electronic ignition device generally comprises an electricity generator comprising a fixed or substantially fixed part, that is to say movable over a stroke of small amplitude and a mobile part, the actuation of which has the effect to generate an ignition spark between two electrodes, the first of which, fixed, or substantially fixed, constituted by the valve burner of the device, is connected to the fixed, or substantially fixed, part of the generator and the second of which, connected to the movable part, is arranged so as to be close to the first, at the time of the release of the electrical energy intended to produce the ignition spark between the two electrodes.
- JP-A-6191419 a device is known in which the second electrode is fixed and has an elastically deformable posterior extension which is located on the path of a conductive element or terminal of the movable part of the generator. so that this mobile element comes into contact with it at the time of the release of the electrical energy necessary for the production of the ignition spark.
- At least the posterior extension of the electrode consists of an insulating, flexible and elastic material such as a resin or synthetic rubber in which particles of electrically conductive material such as black have been dispersed. of carbon.
- this device has the disadvantage of having a rubber electrode or similar making it very delicate and difficult to handle in automatic assembly installations.
- the present invention aims to remedy these drawbacks.
- the second electrode which is fixed and made of an elastically deformable material, is produced over its entire length, in a metal wire such as in spring steel. .
- this second electrode is entirely constituted by a helical spring.
- Figures 1 and 2 are side elevation views showing the upper end of a standing gas lighter, with its head viewed in axial section, respectively at rest and at the end of actuation for ignition.
- the electronic ignition device applied to this gas lighter is of the type comprising an electricity generator comprising a substantially fixed part 2, that is to say movable over a short stroke and a part 3 movable in the direction of the part fixed and located above it.
- This device comprises a piezoelectric quartz and a hammer, the striking stroke of which is triggered at the end of the travel of the movable element 3 and results from the compression of a spring tending to separate the movable element 3 from the substantially fixed element 2, the release of the hammer causing, under the action of this spring, its striking against one of the opposite ends of the piezoelectric quartz.
- the substantially fixed part 2 of the electric generator of this electronic device is actually slightly movable against a spring not visible in the drawing and whose force is slightly less than that which ensures the projection of the hammer against the quartz. Consequently, when the movable part 3 is moved in the direction of the substantially fixed 2, that is to say in the direction of arrow 4, the substantially fixed part 2 also moves over a reduced travel in the same direction as part 3 and at the start of the travel of the latter.
- the electronic device 2-3 is therefore placed vertically below the lighter head so as to be covered by the button 5 for actuating the ignition mechanism of this lighter.
- This key 5 is of a known type mounted sliding towards the body 6 of the lighter between two extreme positions, that is to say a high rest position as illustrated in FIG. 1, and a low end position. actuation as illustrated in figure 2.
- the role of the electronic generator 2-3 is to produce a spark between two electrodes and, in the case of its application to a lighter, one of the electrodes is constituted by the valve burner 7 of the lighter, that is to say by the free end of the channel through which the fuel stored in the liquid phase exits in the liquid phase in the tank formed in the body 6 of the lighter, while the other 8 will be described in more detail later.
- the electrode 7 or first electrode, constituted by the valve burner of the lighter is electrically connected to one 9 of the terminals of the generator 2-3, by means of the lever 10 for controlling the opening of the valve burner 7 and, as shown in the comparative examination of FIGS. 1 and 2, it is the stroke of this lever necessary for the opening stroke, also very small, of the valve burner 7 which makes necessary the reduced stroke of the substantially fixed part 2 of generator 2-3.
- the second electrode 8 of this device which is connected to the other terminal 11 of the generator 2-3, that is to say to the terminal secured to the movable part 3 of this generator and which has a posterior extension 8a, is also a fixed electrode made of an elastically deformable material. It is carried by a vertical partition 12 of the lighter head, so that the terminal 11 of part 3 of the electric generator 2-3 comes into contact with its rear extension 8a when this movable part 3 reaches its end position. stroke in the direction of the fixed part 2 as illustrated in FIG. 2.
- the terminal 8 is made entirely of an elastically deformable electrically conductive material such as a spring steel wire.
- this electrode 8 is entirely constituted by a helical spring made of spring steel wire.
- the position of the electrode 8 and, more particularly, of its posterior extension 8a on the partition 12 is situated slightly upstream from the downward limit position, in the direction of the arrow 4, of the movable part 3 of the generator 2-3.
- This arrangement has the advantage of ensuring good electrical contact between the terminal 11 and the posterior extension 8a of the electrode 8 at the end of the travel of the movable part 3 of the generator 2-3, which avoids having to respect precise manufacturing tolerances.
- the part of the terminal 11 intended to come into contact with the posterior extension 8a of the electrode 8 has a chamfer 11a capable of better fitting the posterior extension 8a of the electrode 8 when this extension is curved downwards as illustrated in FIG. 2. This arrangement further improves the electrical contact between this extension 8a and terminal 11.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighters Containing Fuel (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
La présente invention concerne un dispositif d'allumage électronique pour appareil consommant du combustible gazeux et, notamment, pour briquet à gaz.The present invention relates to an electronic ignition device for an apparatus consuming gaseous fuel and, in particular, for a gas lighter.
Un dispositif d'allumage électronique comprend, généralement, un générateur d'électricité comportant une partie fixe, ou sensiblement fixe, c'est-à-dire déplaçable sur une course de faible amplitude et une partie mobile, dont l'actionnement a pour effet d'engendrer une étincelle d'allumage entre deux électrodes, dont la première, fixe, ou sensiblement fixe, constituée par le brûleur soupape de l'appareil, est reliée à la partie fixe, ou sensiblement fixe, du générateur et dont la seconde, reliée à la partie mobile, est agencée de manière à être à proximité de la première, au moment de la libération de l'énergie électrique destinée à produire l'étincelle d'allumage entre les deux électrodes.An electronic ignition device generally comprises an electricity generator comprising a fixed or substantially fixed part, that is to say movable over a stroke of small amplitude and a mobile part, the actuation of which has the effect to generate an ignition spark between two electrodes, the first of which, fixed, or substantially fixed, constituted by the valve burner of the device, is connected to the fixed, or substantially fixed, part of the generator and the second of which, connected to the movable part, is arranged so as to be close to the first, at the time of the release of the electrical energy intended to produce the ignition spark between the two electrodes.
Par le brevet FR-B-2.573.516, on connaît un dispositif d'allumage dans lequel les deux électrodes sont fixes, la liaison électrique entre la seconde et la partie mobile du générateur étant assurée par un conducteur électrique souple dont la mise en place nécessite des opérations qui s'ajoutent à celle de mise en place de la seconde électrode, ce qui renchérit le coût de ce dispositif.From patent FR-B-2,573,516, an ignition device is known in which the two electrodes are fixed, the electrical connection between the second and the movable part of the generator being ensured by a flexible electrical conductor, the positioning of which requires operations which are added to that of fitting the second electrode, which increases the cost of this device.
Par la demande de brevet japonais JP-A-6191419, on connaît un dispositif dans lequel la seconde électrode est fixe et présente un prolongement postérieur élastiquement déformable qui est situé sur la trajectoire d'un élément conducteur ou borne de la partie mobile du générateur de manière à ce que cet élément mobile entre en contact avec lui au moment de la libération de l'énergie électrique nécessaire à la production de l'étincelle d'allumage.By Japanese patent application JP-A-6191419, a device is known in which the second electrode is fixed and has an elastically deformable posterior extension which is located on the path of a conductive element or terminal of the movable part of the generator. so that this mobile element comes into contact with it at the time of the release of the electrical energy necessary for the production of the ignition spark.
Dans ce dispositif, au moins le prolongement postérieur de l'électrode est constitué par une matière isolante, souple et élastique telle qu'une résine ou du caoutchouc synthétique dans laquelle ont été dispersées des particules de matière conductrice de l'électricité telles que du noir de carbone.In this device, at least the posterior extension of the electrode consists of an insulating, flexible and elastic material such as a resin or synthetic rubber in which particles of electrically conductive material such as black have been dispersed. of carbon.
Bien que donnant toute satisfaction lors de son fonctionnement, ce dispositif présente l'inconvénient de posséder une électrode en caoutchouc ou similaire rendant très délicate et difficile, sa manutention dans des installations de montage automatique.Although giving all satisfaction during its operation, this device has the disadvantage of having a rubber electrode or similar making it very delicate and difficult to handle in automatic assembly installations.
La présente invention vise à remédier à ces inconvénients. A cet effet, dans le dispositif qu'elle concerne et qui est du type précité, la seconde électrode, qui est fixe et en une matière élastiquement déformable, est réalisée sur toute sa longueur, en un fil métallique tel qu'en acier à ressort.The present invention aims to remedy these drawbacks. To this end, in the device which it concerns and which is of the aforementioned type, the second electrode, which is fixed and made of an elastically deformable material, is produced over its entire length, in a metal wire such as in spring steel. .
Suivant une forme d'exécution préférée de l'invention, visant à faciliter sa manutention, dans une installation de montage automatique, cette seconde électrode est entièrement constituée par un ressort hélicoïdal.According to a preferred embodiment of the invention, aimed at facilitating its handling, in an automatic mounting installation, this second electrode is entirely constituted by a helical spring.
De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme d'exécution de ce dispositif d'allumage, dans le cas de son application à un briquet à gaz :In any case, the invention will be better understood with the aid of the description which follows, with reference to the appended schematic drawing representing, by way of nonlimiting example, an embodiment of this ignition device, in the case of its application to a gas lighter:
Figures 1 et 2 sont des vues de côté en élévation montrant l'extrémité supérieure d'un briquet à gaz tenu debout, avec sa tête vue en coupe axiale, respectivement au repos et en fin d'actionnement pour un allumage.Figures 1 and 2 are side elevation views showing the upper end of a standing gas lighter, with its head viewed in axial section, respectively at rest and at the end of actuation for ignition.
Le dispositif électronique d'allumage appliqué à ce briquet à gaz est du type comportant un générateur d'électricité comprenant une partie sensiblement fixe 2, c'est-à-dire déplaçable sur une faible course et une partie 3 mobile en direction de la partie fixe et située au-dessus de cette dernière. Ce dispositif non représenté en détail comporte un quartz piézo-électrique et un marteau dont la course de frappe est déclenchée en fin de course de l'élément mobile 3 et résulte de la compression d'un ressort tendant à écarter l'élément mobile 3 de l'élément sensiblement fixe 2, la libération du marteau provoquant, sous l'action de ce ressort, sa frappe contre l'une des extrémités en regard du quartz piézo-électrique.The electronic ignition device applied to this gas lighter is of the type comprising an electricity generator comprising a substantially fixed
Dans le cas de son application à un briquet, la partie sensiblement fixe 2 du générateur électrique de ce dispositif électronique est en réalité légérement mobile à l'encontre d'un ressort non visible sur le dessin et dont la force est légérement inférieure à celle qui assure la projection du marteau contre le quartz. En conséquence, lors du déplacement de la partie mobile 3 en direction de la partie sensiblement fixe 2, c'est-à-dire dans le sens de la flèche 4, la partie sensiblement fixe 2 se déplace également sur une course réduite dans le même sens que la partie 3 et au début de la course de cette dernière.In the case of its application to a lighter, the substantially fixed
Comme le montre le dessin, le dispositif électronique 2-3 est donc placé verticalement en-dessous de la tête du briquet de manière à être recouvert par la touche 5 d'actionnement du mécanisme d'allumage de ce briquet. Cette touche 5 est d'un type connu montée coulissante en direction du corps 6 du briquet entre deux positions extrêmes, c'est-à-dire une position haute de repos comme illustré sur la figure 1, et une position basse de fin d'actionnement comme illustré sur la figure 2.As shown in the drawing, the electronic device 2-3 is therefore placed vertically below the lighter head so as to be covered by the
Le rôle du générateur électronique 2-3 est de produire une étincelle entre deux électrodes et, dans le cas de son application à un briquet, l'une des électrodes est constituée par le brûleur soupape 7 du briquet, c'est-à-dire par l'extrémité libre du canal par lequel sort, à l'état gazeux, le combustible stocké, en phase liquide, dans le réservoir ménagé dans le corps 6 du briquet, tandis que l'autre 8 sera décrite plus en détail ultérieurement.The role of the electronic generator 2-3 is to produce a spark between two electrodes and, in the case of its application to a lighter, one of the electrodes is constituted by the valve burner 7 of the lighter, that is to say by the free end of the channel through which the fuel stored in the liquid phase exits in the liquid phase in the tank formed in the
L'électrode 7 ou première électrode, constituée par le brûleur soupape du briquet est reliée électriquement à l'une 9 des bornes du générateur 2-3, par l'intermédiaire du levier 10 de commande de l'ouverture du brûleur soupape 7 et, comme le montre l'examen comparatif des figures 1 et 2, c'est la course de ce levier nécessaire à la course d'ouverture, très faible, elle aussi, du brûleur soupape 7 qui rend nécessaire la course réduite de la partie sensiblement fixe 2 du générateur 2-3.The electrode 7 or first electrode, constituted by the valve burner of the lighter is electrically connected to one 9 of the terminals of the generator 2-3, by means of the
La deuxième électrode 8 de ce dispositif, qui est reliée à l'autre borne 11 du générateur 2-3, c'est-à-dire à la borne solidaire de la partie mobile 3 de ce générateur et qui présente un prolongement postérieur 8a, est aussi une électrode fixe réalisée en un matériau élastiquement déformable. Elle est portée par une cloison verticale 12 de la tête du briquet, de manière à ce que la borne 11 de la partie 3 du générateur électrique 2-3 entre en contact avec son prolongement postérieur 8a lorsque cette partie mobile 3 atteint sa position de fin de course en direction de la partie fixe 2 comme illustré sur la figure 2.The
En vue de faciliter les opérations de montage de ce dispositif, la borne 8 est réalisée entièrement en un matériau conducteur de l'électricité élastiquement déformable tel qu'un fil d'acier à ressort. Dans l'exemple illustré sur le dessin, visant à améliorer encore les conditions de manutention de cette électrode 8 lors du montage de cette tête de briquet sur une chaîne de montage automatique, cette électrode 8 est entièrement constituée par un ressort hélicoïdal en fil d'acier à ressort.In order to facilitate the mounting operations of this device, the
De préférence, comme le montre plus particulièrement la figure 2, la position de l'électrode 8 et, plus particulièrement, de son prolongement postérieur 8a sur la cloison 12 est située légèrement en amont de la position fin de course descendante, dans le sens de la flèche 4, de la partie mobile 3 du générateur 2-3. Cette disposition présente l'avantage d'assurer un bon contact électrique entre la borne 11 et le prolongement postérieur 8a de l'électrode 8 en fin de course de la partie mobile 3 du générateur 2-3, ce qui évite d'avoir à respecter des tolérances précises de fabrication.Preferably, as shown more particularly in FIG. 2, the position of the
Suivant une autre caractéristique avantageuse de l'invention, la partie de la borne 11 destinée à entrer en contact avec le prolongement postérieur 8a de l'électrode 8 présente un chanfrein 11a apte à mieux épouser le prolongement postérieur 8a de l'électrode 8 lorsque ce prolongement est incurvé vers le bas comme illustré sur la figure 2. Cette disposition améliore encore le contact électrique entre ce prolongement 8a et la borne 11.According to another advantageous characteristic of the invention, the part of the terminal 11 intended to come into contact with the posterior extension 8a of the
Claims (4)
- An electronic ignition device for an appliance consuming a combustible gas and notably for a gas lighter of the type comprising an electricity generator comprising a fixed or essentially fixed part 2, that is to say displaceable by a stroke of small amplitude, and a movable part 3 normally maintained in line with the fixed or essentially fixed part 2 by a return spring and the activation of which has the effect of producing an ignition spark between two electrodes where the first fixed or essentially fixed 7, is comprised by the valve-burner of the appliance and is connected to the terminal 9 of the fixed or essentially fixed part 2 of the generator and where the second 8 is fixed and is provided with an elastically deformable rear extension 8a and located in the path of the terminal 11 of the movable part 3 of the generator in such a way that this terminal 11 is in contact with it at the moment of release of the electrical energy necessary to produce the ignition spark that is to say at the end of the stroke in the direction of the ignition of the movable element 3 of the generator, characterised in that the second electrode 8 is made along its whole length of an elastically deformable metallic wire which is a good conductor of electricity such as a steel spring.
- A device according to claim 1, characterised in that the second fixed electrode 8 comprises a helicoidal spring of steel spring wire.
- A device according either claim 1 or 2, characterised in that at least the rear extension 8a of the second electrode 8 is located slightly above the end position of the descending stroke of the movable part 3 of the generator.
- A device according to any one of the preceding claims characterised in that the part of the terminal 11 destined to enter into contact with the rear extension 8a of the electrode 8 is provided with a rounded cutout or seat 11a adapted to improve the engagement of the rear extension 8a of the electrode 8 when it is curved towards the bottom at the end of the ignition stroke of the movable element 3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9014111 | 1990-11-07 | ||
| FR9014111A FR2668816B1 (en) | 1990-11-07 | 1990-11-07 | ELECTRONIC IGNITION DEVICE FOR APPARATUS CONSUMING GAS FUEL AND, IN PARTICULAR, FOR GAS LIGHTER. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0485305A1 EP0485305A1 (en) | 1992-05-13 |
| EP0485305B1 true EP0485305B1 (en) | 1993-12-08 |
Family
ID=9402154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91420356A Expired - Lifetime EP0485305B1 (en) | 1990-11-07 | 1991-10-09 | Electronic ignition device for apparatus using gaseous fuel especially for a gas lighter |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5178532A (en) |
| EP (1) | EP0485305B1 (en) |
| JP (1) | JP2984438B2 (en) |
| AT (1) | ATE98360T1 (en) |
| DE (1) | DE69100747T2 (en) |
| DK (1) | DK0485305T3 (en) |
| ES (1) | ES2047390T3 (en) |
| FR (1) | FR2668816B1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5854530A (en) * | 1996-12-18 | 1998-12-29 | Bic Corporation | Piezoelectric lighter which has a higher level of difficulty for operation |
| US5971751A (en) * | 1997-06-05 | 1999-10-26 | Chun Ching Yeh | Safety apparatus of a piezoelectric lighter |
| US6046528A (en) * | 1997-11-03 | 2000-04-04 | Bic Corporation | Selectively actuatable piezoelectric ignition mechanism |
| US6765338B2 (en) | 2001-05-29 | 2004-07-20 | Bic Corporation | Child-resistant piezoelectric lighter |
| US6856074B2 (en) * | 2002-03-01 | 2005-02-15 | Bic Corporation | Piezoelectric ignition mechanism |
| US20080160463A1 (en) * | 2006-03-08 | 2008-07-03 | Ian Kristen Biriki | Lighter with timer-controlled igniter |
| CN101097069B (en) * | 2006-06-29 | 2010-05-12 | 王孝永 | Combustion furnace ignition structure of lighter |
| CN105592730B (en) * | 2013-09-25 | 2019-08-02 | 吉瑞高新科技股份有限公司 | Electronic cigarette charging unit and its assemble method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1451412A1 (en) * | 1964-08-19 | 1969-06-26 | Hermann Mellert Fabrik Fuer Fe | Spark plug, especially for lighting open stoves with a narrow opening for an ignition device |
| US3439995A (en) * | 1966-09-30 | 1969-04-22 | Crown Sangyo Kk | Spark ignited gas burner |
| GB2169068B (en) * | 1984-11-16 | 1989-04-12 | Tdk Corp | Piezoelectric gas-lighter |
| JPH0335978Y2 (en) * | 1985-05-10 | 1991-07-30 | ||
| JPH06191419A (en) * | 1992-12-28 | 1994-07-12 | Nippondenso Co Ltd | Power steering device |
-
1990
- 1990-11-07 FR FR9014111A patent/FR2668816B1/en not_active Expired - Fee Related
-
1991
- 1991-10-09 AT AT91420356T patent/ATE98360T1/en not_active IP Right Cessation
- 1991-10-09 DK DK91420356.7T patent/DK0485305T3/en active
- 1991-10-09 ES ES91420356T patent/ES2047390T3/en not_active Expired - Lifetime
- 1991-10-09 EP EP91420356A patent/EP0485305B1/en not_active Expired - Lifetime
- 1991-10-09 DE DE91420356T patent/DE69100747T2/en not_active Expired - Fee Related
- 1991-10-22 US US07/780,914 patent/US5178532A/en not_active Expired - Lifetime
- 1991-11-01 JP JP3287727A patent/JP2984438B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2668816B1 (en) | 1993-01-15 |
| ATE98360T1 (en) | 1993-12-15 |
| US5178532A (en) | 1993-01-12 |
| JP2984438B2 (en) | 1999-11-29 |
| ES2047390T3 (en) | 1994-02-16 |
| FR2668816A1 (en) | 1992-05-07 |
| EP0485305A1 (en) | 1992-05-13 |
| DE69100747T2 (en) | 1994-03-24 |
| DK0485305T3 (en) | 1994-03-14 |
| DE69100747D1 (en) | 1994-01-20 |
| JPH04281111A (en) | 1992-10-06 |
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