EP0440919B1 - Conveyor - Google Patents
Conveyor Download PDFInfo
- Publication number
- EP0440919B1 EP0440919B1 EP90123489A EP90123489A EP0440919B1 EP 0440919 B1 EP0440919 B1 EP 0440919B1 EP 90123489 A EP90123489 A EP 90123489A EP 90123489 A EP90123489 A EP 90123489A EP 0440919 B1 EP0440919 B1 EP 0440919B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- load
- conveyor
- bearing units
- coupling members
- conveyor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 239000000969 carrier Substances 0.000 claims abstract description 19
- 239000004753 textile Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
Definitions
- the invention relates to a conveyor device according to the preamble of claim 1.
- Such conveyors are used, for example, in the textile industry to load or unload a textile machine with bobbins.
- a conveyor which consists of a number of load carriers which can be moved on a running track by means of rollers and which are connected to a train which can be driven both in overrun and in train operation.
- friction rollers arranged in pairs on the track are used. These pairs of friction rollers engage a longitudinal drive rail of the load carrier passing through the friction rollers, so that this driven load carrier pulls the subsequent load carriers while pushing the preceding load carriers of the train.
- the load carriers are connected to one another by a coupling device which allows the distances between the load carriers to increase independently if the train travels through a curved track section and the load carriers abut one another with their corners located on the inside of the curve, while they reduce in overrun on straight track sections so far that the load carriers meet with both corners.
- This training allows a space-saving arrangement of many load carriers to a train.
- Such a coupling device does not allow the individual load carriers to be fixed to one another. As a result, the distance between them is undefined and such a overhead conveyor is not particularly suitable for automatic loading or unloading, since it cannot be guaranteed that each load carrier is actually at the transfer point provided for it.
- the method has been changed to connecting the individual conveying carriers to one another by means of universal joints.
- the game in the universal joint which adds up over the length of the train, does not ensure that all the carriers of a train are at the transfer point provided for them.
- the invention is therefore based on the object of further developing a overhead conveyor of the generic type in such a way that the length of the train is unchangeable both in the train and in the overrun mode.
- the problem is solved by the characterizing part of claim 1. This ensures absolute backlash between the load carriers, so that they are always at a defined distance from each other.
- the coupling elements are advantageously formed from Vulkollan, because this material has the property of springing back to its original position after a deformation, such as occurs, for example, when cornering.
- the positive and non-positive connection is realized in a simple manner when a quick release is not necessary.
- Fig. 1 shows a schematic representation of the principle of operation of the conveyor.
- the individual conveyor beams 2 are connected via the elastic coupling elements 1 to a train of any length.
- the conveyor train can be moved along the guide rail 12 via rollers 10, 11.
- Both the load carrier 2 and the coupling elements 1 serve simultaneously as a drive rail.
- the drive 23 is designed in a known manner, so that a separate detailed illustration has been omitted here. Explanatory note is only briefly that parallel to the rail track 12 at the level of the drive rail (here consisting of conveyor 2 and coupling element 1) on both sides two drive wheels 24, 25 driven by a motor M are provided, which by their rotation about their own axis Convey drive rail past itself.
- the rollers 10, 11 are attached with their axes 18, 19 to the axle bracket 13.
- the axle bracket 13 is held in the center of the coupling element 1 or the universal joint 4 via threaded bolts 3.
- the running rail 12 is fastened to the hall ceiling in a known manner, also not shown.
- the load carrier 2 preferably consists of thin-walled square tube, which has a continuous elongated hole 20 in the middle in the longitudinal direction. At its ends is the load carrier 2 with lateral cutouts 15, 16 provided, which are introduced on the side edges offset by 90 ° to the elongated hole 20. Through holes 21 are formed symmetrically to the elongated hole 20 in the carrier 2 and spatially end before the cutouts 15, 16 (see FIG. 2).
- the coupling members 1 consisting of an elastomer have a two-part cross section, the ends 1 a being adapted to the inside diameter I of the carrier piece 2.
- the middle part 1b corresponds to the outer diameter A of the carrier part 2.
- a quarter of the total length of the coupling piece 1 is formed at the ends 1a to the smaller diameter I.
- through bores 22 are arranged perpendicular to the longitudinal extent, which can be made to coincide with the bores 21 in the carrier part 2.
- the coupling part 1 is inserted into the carrier part 2 until the bores 21, 22 are aligned with one another. Since the outer diameter of the coupling part 1 corresponds at its ends 1a to the inner diameter I of the carrier part 2, the coupling part 1 is held in the carrier part 2 with a positive fit.
- the elongated hole 20 in the carrier part 2 serves to accommodate the conveyed goods carriers 3, which are not detailed here, and which can be screwed to the conveyed carrier 2 via the screw 7.
- the elongated hole design allows the individual conveyed goods carriers 3 to be brought into a defined distance from one another. Since this distance is maintained or set by an easy to manufacture gauge can be aligned to the defined transfer point without any problems. In addition, it is ensured after proper adjustment that the distances between the individual conveyed goods carriers 3 are always the same.
- the elasticity of the coupling element 1 makes it possible to move the conveyor train on a curved track. If the coupling elements 2 are made, for example, of Vulkollan, a plastic which has the property of returning to its original position from the deformation again and again, the distance between the conveyed goods carriers 3 set via the elongated holes 20 is repeatedly taken in a straight line. It is also possible to overcome height differences, so that an articulated chain or an articulated conveyor train is created.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Chain Conveyers (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Formation And Processing Of Food Products (AREA)
- Liquid Crystal (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
Description
Die Erfindung betrifft eine Fördereinrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a conveyor device according to the preamble of
Derartige Förderer werden beispielsweise in der Textilindustrie benutzt, um eine Textilmaschine mit Spulen zu be- oder entladen. Aus der DE-OS 35 01 202 ist ein Förderer bekannt, der aus einer Anzahl von mit Hilfe von Laufrollen hängend an einer Laufbahn verfahrbaren Lastträgern besteht, die zu einem sowohl im Schub- als auch im Zugbetrieb antreibbaren Zug verbunden sind. Zum Antrieb dieses Zuges dienen stationär an der Laufbahn paarweise angeordente Reibrollen. Diese Reibrollenpaare greifen an einer längsverlaufenden Antriebsschiene des die Reibrollen passierenden Lastträgers an, so daß dieser jeweils angetriebene Lastträger die nachfolgenden Lastträger zieht, während er die vorausgehenden Lastträger des Zuges schiebt. Die Lastträger sind untereinander durch eine Kupplungsvorrichtung verbunden, die es gestattet, daß sich die Abstände zwischen den Lastträgern selbständig vergrößern, wenn der Zug im Schubbetrieb einen gekrümmten Laufbahnabschnitt durchfährt und die Lastträger mit ihren auf der Innenseite der Kurve gelegenen Ecken aneinander stoßen, während sie sich im Schubbetrieb auf geraden Laufbahnabschnitten so weit verringern, daß die Lastträger mit beiden Ecken aneinander stoßen. Diese Ausbildung gestattet eine raumsparende Anordnung vieler Lastträger zu einem Zug.Such conveyors are used, for example, in the textile industry to load or unload a textile machine with bobbins. From DE-OS 35 01 202 a conveyor is known which consists of a number of load carriers which can be moved on a running track by means of rollers and which are connected to a train which can be driven both in overrun and in train operation. In order to drive this train, friction rollers arranged in pairs on the track are used. These pairs of friction rollers engage a longitudinal drive rail of the load carrier passing through the friction rollers, so that this driven load carrier pulls the subsequent load carriers while pushing the preceding load carriers of the train. The load carriers are connected to one another by a coupling device which allows the distances between the load carriers to increase independently if the train travels through a curved track section and the load carriers abut one another with their corners located on the inside of the curve, while they reduce in overrun on straight track sections so far that the load carriers meet with both corners. This training allows a space-saving arrangement of many load carriers to a train.
Eine solche Kupplungsvorrichtung gestattet es nicht, die einzelnen Lastträger zueinander zu fixieren. Dadurch ist der Abstand, den sie jeweils zueinander einnehmen, nicht definiert und ein solcher Hängeförderer eignet sich nicht besonders, um eine automatische Be- oder Entladung vorzunehmen, da nicht sichergestellt ist, daß jeder Lastträger auch wirklich an dem für ihn vorgesehenen Übergabepunkt steht.Such a coupling device does not allow the individual load carriers to be fixed to one another. As a result, the distance between them is undefined and such a overhead conveyor is not particularly suitable for automatic loading or unloading, since it cannot be guaranteed that each load carrier is actually at the transfer point provided for it.
Für diesen Einsatzfall ist man dazu übergegangen, die einzelnen Förderträger durch Kreuzgelenke miteinander zu verbinden. Durch das im Kreuzgelenk vorhandene Spiel, das sich über die Länge des Zuges addiert, ist nicht sichergestellt, daß alle Förderträger eines Zuges an der jeweils für sie vorgesehenen Übergabestelle stehen. Je nach Länge des Zuges und Summe der Toleranzen der Kreuzgelenke kann es vorkommen, daß ein oder mehrere Förderträger nicht automatisch beladen werden können.For this application, the method has been changed to connecting the individual conveying carriers to one another by means of universal joints. The game in the universal joint, which adds up over the length of the train, does not ensure that all the carriers of a train are at the transfer point provided for them. Depending on the length of the train and the sum of the tolerances of the universal joints, it may happen that one or more conveyors cannot be loaded automatically.
Dasselbe gilt auch für die in der DE-OS 24 30 458 offenbarten mehrteiligen Kupplung für an Laufkatzen aufgehängte Gondeln. Die die Raumgelenkigkeit des Gesamtzuges gewährleistenden Kugelgelenkverbindungen können nur mit sehr hohem technischen Aufwand spielfrei hergestellt werden. Natürlicher Abrieb führt aber dazu, daß nach einer gewissen Betriebszeit die Kugelgelenke nicht mehr spielfrei sind.The same also applies to the multi-part coupling disclosed in DE-OS 24 30 458 for gondolas suspended from trolleys. The spherical joint connections which ensure the spatial flexibility of the overall train can only be free of play with very high technical outlay getting produced. However, natural abrasion means that the ball joints are no longer free of play after a certain operating time.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Hängeförderer der gattungsgemäßen Art so weiter zu bilden, daß die Länge des Zuges sowohl im Zug- als auch im Schubbetrieb unveränderlich ist.The invention is therefore based on the object of further developing a overhead conveyor of the generic type in such a way that the length of the train is unchangeable both in the train and in the overrun mode.
Die Lösung der Aufgabe erfolgt durch den kennzeichnenden Teil des Anpruchs 1.
Hierdurch ist absolute Spielfreiheit zwischen den Lastträgern gewährleistet, so daß sich diese immer in einem definierten Abstand zueinander befinden. Dadurch, daß die Kuppelglieder elastisch ausgebildet sind, ist der Zug raumgelenkig, so daß neben Richtungsänderungen in der Ebene auch Höhenunterschiede überwunden werden. In vorteilhafter Weise werden die Kuppelglieder aus Vulkollan ausgebildet, weil dieses Material die Eigenschaft hat, nach einer Deformation, wie sie beispielsweise im Kurvenbetrieb auftritt, in seine Ursprungslage zurückzuspringen.The problem is solved by the characterizing part of
This ensures absolute backlash between the load carriers, so that they are always at a defined distance from each other. The fact that the coupling elements are elastic, the train is articulated, so that in addition to changes in direction in the plane, height differences are overcome. The coupling elements are advantageously formed from Vulkollan, because this material has the property of springing back to its original position after a deformation, such as occurs, for example, when cornering.
Durch die Anpassung der Kuppelglieder an die Innenkontur der Lastträger ist die Spielfreiheit der Verbindung im Kurvenbetrieb und durch den eingetriebenen Bolzen im Schub- oder Zugbetrieb gewährleistet.By adapting the coupling elements to the inner contour of the load carrier, the freedom from play of the connection in cornering operation and by the driven pin in pushing or pulling operation is guaranteed.
Durch die Merkmale nach der zweiten Alternative des Anspruchs 2 wird die form- und kraftschlüssige Verbindung auf einfache Art und Weise realisiert, wenn ein schnelles Lösen nicht notwendig ist.Due to the features according to the second alternative of
Weitere Ausbildungen der Erfindung sind den übrigen Unteransprüchen entnehmbar.Further developments of the invention can be found in the remaining subclaims.
Anhand einer Zeichnung soll die Erfindung nachfolgend näher beschrieben werden.
Es zeigt:
- Fig. 1
- die vereinfachte Teildarstellung einer Fördereinrichtung in Draufsicht,
- Fig. 2
- einen Teilausschnitt der Fördereinrichtung in Seitenansicht,
- Fig. 3
- den Schnitt entlang der Linie B-B gemäß Fig. 2,
- Fig. 3a
- den Schnitt entlang der Linie C-C gemäß Fig. 2,
- Fig. 4
- die Fördereinrichtung im Teilschnitt entlang der Linie A-A gemäß Fig. 2,
It shows:
- Fig. 1
- the simplified partial representation of a conveyor in top view,
- Fig. 2
- a partial section of the conveyor in side view,
- Fig. 3
- the section along the line BB of FIG. 2,
- Fig. 3a
- the section along the line CC of FIG. 2,
- Fig. 4
- the conveyor in partial section along the line AA of FIG. 2,
Fig. 1 zeigt in schematischer Darstellung die prinzipielle Funktionsweise der Fördereinrichtung. Die einzelnen Förderträger 2 sind über die elastischen Kuppelglieder 1 zu einem Zug beliebiger Länge verbunden. Der Förderzug ist über Rollen 10, 11 entlang der Führungsschiene 12 verfahrbar. Sowohl die Lastträger 2 als auch die Kuppelglieder 1 dienen gleichzeitig als Antriebsschiene. Der Antrieb 23 ist in bekannter Weise ausgestaltet, so daß auf eine gesonderte ausführliche Darstellung hier verzichtet wurde. Erläuternd sei hierzu nur kurz erwähnt, daß parallel zum Schienenstrang 12 in Höhe der Antriebsschiene (hier bestehend aus Förderträger 2 und Kuppelglied 1) beidseitig dazu zwei über einen Motor M getriebene Antriebsräder 24, 25 vorgesehen sind, die durch ihre Drehung um die eigene Achse die Antriebsschiene an sich vorbei fördern. Die Laufrollen 10, 11 sind mit ihren Achsen 18, 19 am Achsbügel 13 befestigt. Der Achsbügel 13 ist über Gewindebolzen 3 mittig im Kuppelglied 1 bzw. dem Kreuzgelenk 4 gehaltert. Die Laufschiene 12 ist in bekannter Weise, ebenfalls nicht dargestellt, an der Hallendecke befestigt.Fig. 1 shows a schematic representation of the principle of operation of the conveyor. The
Der Lastträger 2 besteht vorzugsweise aus dünnwandigem Vierkantrohr, das in der Mitte in Längsrichtung ein durchgehendes Langloch 20 aufweist. An seinen Enden ist der Lastträger 2 mit seitlichen Ausfräsungen 15, 16 versehen, die an den um 90° zum Langloch 20 versetzten Seitenkanten eingebracht sind. Symmetrisch zum Langloch 20 sind im Träger 2 Durchgangsbohrungen 21 ausgebildet, die räumlich noch vor den Ausfräsungen 15, 16 enden (vergleiche Fig. 2).
Die aus einem Elastomer bestehenden Kupplungsglieder 1 weisen einen zweiteiligen Querschnitt auf, wobei die Enden 1a dem Innendurchmesser I des Trägerstückes 2 angepaßt sind. Der Mittelteil 1b entspricht dem Außendurchmesser A des Trägerteils 2. Jeweils ein Viertel von der Gesamtlänge des Kupplungsstückes 1 ist an den Enden 1a auf den geringeren Durchmesser I ausgebildet. In den Enden 1a sind senkrecht zur Längserstreckung Durchgangsbohrungen 22 angeordnet, die mit den Bohrungen 21 im Trägerteil 2 zur Deckung gebracht werden können. Das Kupplungsteil 1 wird in das Trägerteil 2 eingesteckt, bis die Bohrungen 21, 22 zueinander fluchten. Da der Außendurchmesser des Kuppelteils 1 an seinen Enden 1a dem Innendurchmesser I des Trägerteils 2 entspricht, wird das Kupplungsteil 1 mit Formschluß im Trägerteil 2 gehalten. Wenn die Bohrungen 21, 22 zur Überdeckung gebracht sind, werden Hülsen oder Bolzen 14 eingeschlagen, die im Durchmesser größer sind als die Bohrung 22 im Kuppelteil 1, so daß neben dem hier nochmals entstehenden Formschluß auch eine kraftschlüssige Verbindung zwischen dem Trägerteil 2 und dem Kupplungsglied 1 besteht. In Abwandlung hierzu ist es möglich, den Kraftschluß durch Verkleben zu erzielen. Das Langloch 20 im Trägerteil 2 dient der Aufnahme der hier nicht näher ausgeführten Fördergutträger 3, die über die Schraube 7 mit dem Förderträger 2 verschraubbar sind. Die Langlochausführung gestattet es, daß die einzelnen Fördergutträger 3 in einen definierten Abstand zueinander bringbar sind. Da dieser Abstand durch eine einfach herstellbare Lehre eingehalten bzw. eingestellt werden kann, ist ein Ausrichten auf den jeweils definierten Übergabepunkt problemlos möglich. Außerdem ist nach ordnungsgemäßer Einstellung gewährleistet, daß die Abstände zwischen den einzelnen Fördergutträgern 3 immer gleich sind.The
The
Durch die Elastizität des Kuppelgliedes 1 ist es möglich, den Förderzug auf einer Kurvenbahn zu bewegen. Wenn die Kuppelglieder 2 beispielsweise aus Vulkollan ausgeführt sind, einem Kunststoff der die Eigenschaft hat aus der Deformation immer wieder in seine ursprüngliche Lage zurückzukehren, wird der über die Langlöcher 20 eingestellte Abstand zwischen den Fördergutträger 3 auf gerader Strecke immer wieder eingenommen. Ebenso ist es möglich auch Höhenunterschiede zu überwinden, so daß eine raumgelenkige Kette oder ein raumgelenkiger Förderzug entsteht.The elasticity of the
Claims (6)
- A conveyor, especially a suspended conveyor for the loading and/or unloading of textile machines, with a number of load-bearing units (2) suspended via rollers from a track (12) along which they can move, said load bearing units (2) being coupled, via single-piece elastic coupling members (1), to a moving train which may be driven by push and/or pull operation,
characterised in that
the elastic coupling members (1) are positively and frictionally connected to the load-bearing units (2) and that the positive connection is achieved through the ends (1a) of the coupling members (1), the outer contour of which is matched to the inner contour of the hollow load-bearing units (2). - A conveyor according to Claim 1
characterised in that
the frictional connection is facilitated by bolts (14) driven through the load-bearing units (2) and coupling members (1) or by bonding. - A conveyor according to Claim 1
characterised in that
the coupling members (1) have a cross-section which is at least bipartite, whereby the larger cross-section corresponds to the external diameter (A) and the smaller cross-section corresponds to the internal diameter (I) of a load-bearing unit (2). - A conveyor according to one or more of the above Claims,
characterised in that
the load-bearing unit (2) is approximately three times the length of one coupling member (1) in use. - A conveyor according to one or more of the above Claims,
characterised in that
the load-bearing units (2) are provided with elongate through-holes (20) by which the carriers (3) of material to be conveyed are secured. - A conveyor according to Claim 4,
characterised in that
the load-bearing units (2) are provided with lateral recesses (15, 16) at their ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT90123489T ATE102137T1 (en) | 1990-02-06 | 1990-12-07 | CONVEYOR. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4003431 | 1990-02-06 | ||
| DE4003431A DE4003431A1 (en) | 1990-02-06 | 1990-02-06 | CONVEYOR |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0440919A1 EP0440919A1 (en) | 1991-08-14 |
| EP0440919B1 true EP0440919B1 (en) | 1994-03-02 |
Family
ID=6399495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90123489A Expired - Lifetime EP0440919B1 (en) | 1990-02-06 | 1990-12-07 | Conveyor |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0440919B1 (en) |
| JP (1) | JPH04212668A (en) |
| AT (1) | ATE102137T1 (en) |
| DE (2) | DE4003431A1 (en) |
| ES (1) | ES2049901T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19536313C2 (en) * | 1995-09-29 | 2000-07-13 | Duerkopp Adler Ag | Method for conveying conveyed goods hanging on hangers and devices for use in the method |
| CN109319402B (en) * | 2018-09-27 | 2024-04-09 | 湖南天信船用配套设备制造有限公司 | Pulley supporting mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE909438C (en) * | 1941-08-21 | 1955-07-11 | Lina Roemer Geb Sauerzapf | Connecting element between rotating roller links with and without hanger for circular conveyors |
| DE2024139A1 (en) * | 1970-05-16 | 1971-11-18 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Coupling of vehicles on a suspension railway |
| DE2425028A1 (en) * | 1974-05-24 | 1975-12-04 | Messerschmitt Boelkow Blohm | Hovertrack train car connecting rod - with hinge connection with two degrees of freedon providing link with trolley |
| DE2430458A1 (en) * | 1974-06-25 | 1976-01-15 | Messerschmitt Boelkow Blohm | Coupling system for suspended railway cabins - has tubular horizontal members with spherical joints allowing cabins to swing |
| US4579546A (en) * | 1983-03-10 | 1986-04-01 | The Torrington Company | Preloaded drive assembly |
| DE3501202A1 (en) * | 1985-01-16 | 1986-07-17 | Duerkoppwerke | Hanging track conveyor |
-
1990
- 1990-02-06 DE DE4003431A patent/DE4003431A1/en active Granted
- 1990-12-07 ES ES90123489T patent/ES2049901T3/en not_active Expired - Lifetime
- 1990-12-07 AT AT90123489T patent/ATE102137T1/en not_active IP Right Cessation
- 1990-12-07 EP EP90123489A patent/EP0440919B1/en not_active Expired - Lifetime
- 1990-12-07 DE DE90123489T patent/DE59004794D1/en not_active Expired - Fee Related
-
1991
- 1991-02-05 JP JP3014498A patent/JPH04212668A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES2049901T3 (en) | 1994-05-01 |
| JPH04212668A (en) | 1992-08-04 |
| DE4003431A1 (en) | 1991-08-08 |
| EP0440919A1 (en) | 1991-08-14 |
| DE59004794D1 (en) | 1994-04-07 |
| DE4003431C2 (en) | 1992-03-26 |
| ATE102137T1 (en) | 1994-03-15 |
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