EP1050398B1 - Rundläufer-Tablettenpresse - Google Patents
Rundläufer-Tablettenpresse Download PDFInfo
- Publication number
- EP1050398B1 EP1050398B1 EP00104902A EP00104902A EP1050398B1 EP 1050398 B1 EP1050398 B1 EP 1050398B1 EP 00104902 A EP00104902 A EP 00104902A EP 00104902 A EP00104902 A EP 00104902A EP 1050398 B1 EP1050398 B1 EP 1050398B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- drive shaft
- die plate
- tablet press
- rotary tablet
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/08—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with moulds carried by a turntable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0023—Drive arrangements for movable carriers, e.g. turntables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
Definitions
- the invention relates to a rotary tablet press.
- Such tablet presses have a so-called die plate with die holes, with which upper and lower stamp cooperate, which in guides the die plate are guided.
- the movement of upper and lower punches is partly controlled by curves.
- Corresponding discs or rings are below and arranged above the die plate fixed to the housing, while the die plate rotatably mounted and from an underneath arranged upright shaft is drivable. For reasons of cleaning or changing the stamp it is from Time to time required to retool the machine. From EP 0 288 798 is known, the Curves with holders provided by releasable connection means with fixed Housing parts are connectable.
- the die plate is rotated by a drive shaft, the rotatably mounted in the machine housing below the die plate and of a suitable drive is driven.
- the connection between the parts is preferably carried out by a suitable screw. Before removing the Matrizenin is therefore to solve this screw. Conversely, the screwing after replacing a die plate, press to connect the parts together. This process is relatively expensive, especially the Access to the screw is difficult.
- the invention is therefore based on the object of a rotary tablet press create, in which the connection between die plate and drive shaft fast can be prepared and solved.
- a tablet press with a such connection is from the document JP-A-11 019 799 is known.
- the tablet press according to the invention is at the ends facing each other of die plate and drive shaft a quick release provided, the Parts are arranged in cavities of die plate and drive shaft.
- the quick release is actuated by an operating rod, which in one axial channel of the drive shaft is movably mounted and by an actuator can be actuated to selectively tighten or loosen the drive plate and drive shaft.
- the quick release provides movably mounted means, which optionally with Locking or clamping surfaces of the drive plate are engageable to the drive plate rotatably to couple with the drive shaft. Therefore, the However, arranged means are arranged in the cavity of the drive shaft, however from the cavity over the end of the drive shaft before and engage in the facing Cavity of the die plate to selectively lock or release.
- the actuation of these means via an actuating rod in the hollow Mit Sprinte, wherein the actuating rod, however, preferably axially movable is stored to operate the quick release.
- the actuation of the actuating rod must be done from outside the drive shaft, with a separate Drive is provided. Alternatively, an operation by hand is conceivable.
- a Clamping be provided, for example, a conical annular surface with an operable by the actuating rod clamping element selectively engaged can be brought. Upon actuation of the clamping element this engages the clamping surface and pulls Matrizenin and drive shaft against each other.
- the actuation of the clamping element takes place according to a further embodiment of Invention preferably with the aid of a clamping cone, with the axially movable Actuating rod is connected.
- the clamping cone acts with a conical surface an actuating surface of the clamping element together, so this in turn with the clamping surface mainly interacts with the die plate.
- Preferably is a plurality of claw-like circumferentially evenly distributed Clamping elements provided about an axis approximately perpendicular to the axis of the Drive shaft are pivotally mounted in the cavity of the drive shaft.
- the clamping cone can according to a further embodiment of the invention in the axial Distance to the clamping cone surface have a conical spreading surface, which with a conical actuating surface on the clamping element cooperates such that the Clamping element is moved to the release position, when the spreading surface with the Actuating surface is engaged.
- This embodiment is an alternative to a possible spring loading of the clamping element such that it in the Release position is biased.
- clamping elements can according to an embodiment
- the invention not only be pivotable, but also limited radially. movable.
- the clamping elements with oppositely directed conical clamping surfaces provided and have die plate and drive shaft each have a clamping surface, where the angles of the clamping surfaces are also oppositely directed, it is possible, by radial adjustment of the clamping elements, an axial force between the to produce both parts to be clamped.
- radially outer bearing approaches that interact with a bearing ring, the cooperates with a shoulder of the cavity of the drive shaft.
- the bearing ring which is preferably made of plastic, can be limited by radial webs Have storage chambers, in which the bearing lugs of the clamping elements added are.
- the drive shaft has a centering ring on, which surrounds the upper part of the drive shaft and the driving surface survives to the top. Its inner diameter is such that a End portion of an axial cylindrical collar of the die plate fitting in the Can engage centering.
- the actuating rod at a distance from Quick release to adjust there are various possibilities conceivable, the actuating rod at a distance from Quick release to adjust.
- the rod in the Distance from the free upper end has an adjusting thread on which a spindle nut sitting.
- the spindle nut is suitably axially in the channel Drive shaft secured.
- a rotary drive side of the drive shaft has an adjusting on, which cooperates via an opening in the drive shaft with the spindle nut.
- the spindle nut can therefore have a toothing on the outside and the Adjusting a complementary toothing to accomplish a rotation of the nut.
- the rotary drive adjustably mounted to the adjusting wheel during normal operation of the drive shaft outside the range of action of the drive shaft to bring.
- This can be a Linear drive, for example, an adjusting cylinder are provided, the Rotary drive between two positions back and forth adjusted.
- FIG annular cylindrical collar 12 From a die plate 10 of a not shown in detail tablet rotary press, as described for instance from EP 0 288 798, in FIG annular cylindrical collar 12 at the lower end of the die plate 10 shown in section.
- the collar 12 has a cylindrical driver surface 14 at the lower free end.
- a cylindrical cavity 16 is formed, of the annular surface 14th is accessible from.
- the cavity 16 merges into a narrower diameter bore 18, which will not be discussed further below.
- the wall of the cavity 16 has a thread, and a ring 20 with external thread is screwed into the cavity 16, wherein a flange 22 of the ring 20 is a positive fit with a corresponding recess on the end face of the die plate 10 cooperates and limits the screwing of the ring 20.
- the ring 20 has a conical clamping surface 24 which faces the bottom of the cavity 16.
- a drive shaft 26 for the die plate 10, in a manner not shown and Way is connected to a rotary drive for rotating the die plate 10 ,. provided at the upper end with a diameter-expanded portion 28.
- the cavity 30 is threaded provided, in which a further clamping ring 32 is screwed.
- the clamping ring 32 has a clamping surface 34 which is conical and which faces the bottom of the cavity 30 is. The clamping surfaces 24, 34 are thus directed opposite.
- the cavity 30 merges into an axial channel 36 of the drive shaft 26.
- clamping elements 38 are arranged. There are-eight altogether Clamping elements 36 are provided. As is apparent from Fig. 3, the clamping elements in Cross-section segmented and arranged at uniform circumferential intervals. Each clamping element 38 has a first outwardly facing conical clamping surface 40 on and an outer conical clamping surface 42 at an axial distance from Clamping surface 40.
- the clamping surfaces 40, 42 are designed so that they are in the position, which is shown on the left side of Fig. 1, with the clamping surfaces 24, 34 of the clamping rings 32, 20 cooperate and generate an axial force of the rings on each other. This will be discussed in more detail below.
- the clamping surface 42 is formed on a bearing lug 44, which in a bearing ring 46 limited by an axis approximately perpendicular to the axis of the drive shaft 26 is pivotally mounted. In addition, the clamping elements can be moved radially limited become.
- the bearing ring 46 which is preferably molded from plastic, sits on Bottom of the cavity 30, which is at the same paragraph at the transition to the axial channel 36 of the drive shaft 26th
- each clamping element 38 has a first conical actuating surface 48 at approximately equal to the clamping surface 20. It also has a second actuating surface 50 at the bottom on that a certain distance in the channel 36 into stands. Finally, each clamping element 38 has a third conical actuating surface 52 on, between the actuating surfaces 48, 50 and below the clamping surface 42 lies.
- FIG. 3 shows the clamping elements in the position as shown in the taken on the left side of Fig. 1.
- Actuating rod 54 is arranged within the drive shaft 26, i. in the bore or in the channel 36. It is like the two representations in FIG. 1 to recognize, adjustable in the axial direction.
- a clamping cone 56 is connected, which, as is also apparent from Fig. 1 results, between two end positions back and forth.
- the clamping cone 56 serves to actuate the clamping elements 38.
- the clamping elements 38 have a clamping position, which is shown on the left side in Fig. 1 and a release position, which is shown on the right side of Fig. 1.
- the clamping position is therefore in reaches a position of the clamping cone 56, as shown on the left side in Fig. 1 is.
- the release position corresponds to a position of the clamping cone 56, as they is shown on the right side in Fig. 1.
- the clamping cone 56 has an upper or first conical surface 58, which cooperates with the actuating surface 48.
- Of the Tensioning cone 56 has a lower tapered expansion surface 60, with the actuating surface 50 interacts.
- he has a third conical surface 62 between the described conical surfaces, which cooperates with the actuating surface 52.
- the conical surface 60 acts with the actuating surface 50 of the clamping elements 38 together, so that it pivots in one position be as shown on the right side in Fig. 1.
- the Lageransatz 44 of Clamping elements 38 therefore lies against the associated inner edge of the bearing ring 46 and is tilted, wherein the tilting movement is limited by the stop of the Approach 44 against the clamping surface 34 of the clamping ring 32. As can be seen in this position of the clamping elements 38 of the collar 12 of the die plate 10 readily be lifted off to the top.
- the conical surfaces 58 and 62 act with the associated Actuating surfaces 48, 52 of the clamping elements 38 together. These are going out the position shown in Fig. 1 on the right side in the on the left side shown pivoted position, whereby the clamping surfaces 40, 42 with the associated Clamping surfaces 24, 34 of the clamping rings 20, 32 cooperate and a considerable generate axial force, whereby the end surfaces of die plate 10 and Drive shaft 26 are braced against each other, so that a rotational force transmitted can be.
- the axial force acting on the two parts becomes primarily caused by the fact that the clamping elements 38 also pressed apart radially become.
- a centering ring 64th attached, which protrudes a little beyond the end surface of the drive shaft 26.
- the slightly reduced in diameter Section at the free end can be inserted into the centering ring 64 fitting. Therefore, the parts to be coupled have a centered orientation each other before they braced against each other with the described quick release become.
- a bearing ring 70 is screwed into the bore 36. He serves for storage and guidance of the actuating rod 54th
- Fig. 2 is very schematically the axial actuation of the actuating rod 54th shown.
- the actuating rod 54 has a thread 72nd on which a spindle nut 74 is seated.
- the spindle nut 74 is in a recess 76 of the shaft 26 secured axially.
- a backup with a Provide plastic bushing, as arranged in Fig. 1 under the bearing ring 70 and there is designated 78.
- the shaft 26 has a radial recess 80.
- gear 82 gear 82, with an outer Teeth of the spindle nut 74 cooperates.
- the gear 82 is of a Electric motor 84 driven and thereby rotates the spindle nut 74, causing the Rod 54 moves depending on the direction of rotation upwards or downwards.
- the motor 84 is along a housing-fixed guide 86 movably mounted and can with the help of a Adjusting cylinder 88 along the guide 86 are moved to the gear 82nd outside the drive shaft 26 to bring.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Press Drives And Press Lines (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Description
- Fig. 1
- zeigt einen Schnitt durch die Matrizenscheibe und die Antriebswelle im Verbindungsbereich mit einem Schnellverschluß nach der Erfindung.
- Fig. 2
- zeigt einen Schnitt durch den unteren Bereich einer Antriebswelle mit einem Antrieb für die Betätigung der Betätigungsstange.
- Fig. 3
- zeigt eine Draufsicht auf Spannelemente der Vorrichtung nach Fig.
- Fig. 4
- zeigt eine Draufsicht auf einen Lagerring der Vorrichtung nach Fig. 1.
- Fig. 5
- zeigt einen Schnitt durch die Darstellung nach Fig. 4 entlang der Linie 5-5.
Claims (14)
- Rundläufer-Tablettenpresse, mit einer in einem Gehäuse drehbar gelagerten Matrizenscheibe, die Führungen für Ober- und Unterstempel aufweist, deren Stellung von gehäusefesten Kurvenscheiben gesteuert wird, und einer unterhalb der Matrizenscheibe angeordneten aufrechten Antriebswelle, die lösbar mit der Matrizenscheibe koppelbar ist, wobei die Matrizenscheibe so ausgebildet ist, daß sie nach Lösen von der Antriebswelle und geringfügigem Anheben seitlich herausbewegbar ist, wobei an den einander zugekehrten Enden von Matrizenscheibe (10) und Antriebswelle (26) ein Schnellverschluß vorgesehen ist, dessen Teile (38, 56) in Hohlräumen von Matrizenscheibe (10) und Antriebswelle (26) angeordnet sind und der von einer Betätigungsstange (54) betätigbar ist, die in einem axialen Kanal (36) der Antriebswelle (26) beweglich gelagert ist und von einer Betätigungsvorrichtung (74, 82, 84) betätigbar ist zum wahlweisen Verspannen oder Lösen von Matrizenscheibe (10) und Antriebswelle (26).
- Rundläufer-Tablettenpresse nach Anspruch 1, dadurch gekennzeichnet, daß Antriebswelle (26) und Matrizenscheibe (10) gegeneinanderstoßende ringförmige Mitnehmerflächen (14) aufweisen, Antriebswelle (26) und/oder Matrizenscheibe (10) radial innerhalb der Mitnehmerflächen (12) ringförmige konische Spannflächen (24, 34) aufweisen, im Hohlraum (30) der Antriebswelle (26) und/oder der Matrizenscheibe (10) radial innerhalb der Spannflächen mindestens ein bewegliches, von der Betätigungsstange (26) betätigbares Spannelement (38) mit einer konischen Spannfläche (40, 42) beweglich gelagert ist zwischen einer Freigabestellung, in der die Matrizenscheibe (10) frei auf die Antriebswelle (26) gesetzt oder von dieser entfernt werden kann und einer Spannstellung, in der die konischen Spannflächen von Matrizenscheibe (10) und/oder Antriebswelle (26) einerseits und Spannelement (38) andererseits gegeneinandergespannt werden und ein Betätigungsabschnitt (56) an der Betätigungsstange (54) für das Spannelement (38) vorgesehen ist.
- Rundläufer-Tablettenpresse nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Betätigungsstange (54) axial verstellbar ist und mit einem Spannkegel (56) verbunden ist, der mit einer konischen Betätigungsfläche (48, 52) des Spannelements (38) zusammenwirkt.
- Rundläufer-Tablettenpresse nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß eine Mehrzahl von klauenartigen in Umfangsrichtung gleichmäßig verteilten Spannelementen (38) im Hohlraum (30) der Antriebswelle (26) um eine Achse annähernd senkrecht zur Achse der Antriebswelle (26) schwenkbar gelagert ist.
- Rundläufer-Tablettenpresse nach Anspruch 2 und 4, dadurch gekennzeichnet, daß der Spannkegel (56) im axialen Abstand zur Spannfläche (40) eine kegelige Spreizfläche (60) aufweist, die mit einer konischen Betätigungsfläche (50) am Spannelement (38) zusammenwirkt derart, daß das Spannelement (38) in die Freigabestellung bewegt wird, wenn Spreizfläche (60) und Betätigungsfläche (50) gegeneinanderbewegt werden.
- Rundläufer-Tablettenpresse nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Spannfläche (24, 34) an einem Spannring (20, 32) ausgebildet ist, der in den Hohlraum (40 bzw. 30) der Matrizenscheibe (10) und/oder der Antriebswelle (26) geschraubt ist.
- Rundläufer-Tablettenpresse nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß das Spannelement in Grenzen radial bewegbar gelagert ist, Matrizenscheibe (10) und Antriebswelle (26) entgegengesetzt gerichtete Spannflächen (24, 34) aufweisen, die mit konischen Spannflächen (40, 42) des Spannelements (38) zusammenwirken, der Spannkegel (56) zwischen der ersten Kegelfläche (58) und der Spreizfläche (50) eine dritte Kegelfläche (62) aufweist, die mit einer weiteren konischen Betätigungsfläche (52) des Spannelements (38) zusammenwirkt dergestalt, daß auf das Spannelement (38) ein radialer Druck erzeugt wird, wenn der Spannkegel (56) das Spannelement (38) in die Spannstellung bringt.
- Rundläufer-Tablettenpresse nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, daß die Spannelemente (38) zwischen dem oberen und unteren Ende mit einem radial nach außen weisenden Lageransatz (44) versehen sind, der in einem im Querschnitt L-förmigen Lagerring (46) gelagert ist, wobei der Lagerring (46) auf einem Absatz im Hohlraum (30) der Antriebswelle (26) angeordnet ist.
- Rundläufer-Tablettenpresse nach Anspruch 8, dadurch gekennzeichnet, daß der Lagerring (46) aus Kunststoff geformt ist.
- Rundläufer-Tablettenpresse nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß der Lagerring (46) durch radiale Stege (66) begrenzte Lagerkammem (68) für die Lageransätze (44) der Spannelemente (38) aufweist.
- Rundläufer-Tablettenpresse nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Antriebswelle (26) von einem Zentrierring (64) umgeben ist, der die Mitnehmerfläche nach oben überragt und ein axialer Bund (12) der Matrizenscheibe (10) passend im Zentrierring (64) aufgenommen ist.
- Rundläufer-Tablettenpresse nach einem der Ansprüche 1 bis 11, dadurch gekenrizeichnet, daß die Betätigungsstange (54) im Abstand zum oberen freien Ende der Antriebswelle (26) ein Verstellgewinde (72) aufweist, auf dem eine axial im Kanal (36) gesicherte Spindelmutter angeordnet ist, ein Drehantrieb (84) vorgesehen ist mit einem Verstellrad (82), das über eine Öffnung (80) in der Antriebswelle (26) in Triebverbindung mit der Spindelmutter (74) bringbar ist, wobei der Drehantrieb (84) beweglich gelagert ist, um ihn wahlweise mit der Spindelmutter (74) außer Eingriff zu bringen.
- Rundläufer-Tablettenpresse nach Anspruch 12, dadurch gekennzeichnet, daß am Drehantrieb (84) ein Linearantrieb (88) angreift.
- Rundläufer-Tablettenpresse nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß ein Axiallager (70) für die Betätigungsstange (54) in der Antriebswelle (26) nahe dem Schnellverschluß angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19920380A DE19920380C2 (de) | 1999-05-04 | 1999-05-04 | Rundläufer-Tablettenpresse |
DE19920380 | 1999-05-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1050398A2 EP1050398A2 (de) | 2000-11-08 |
EP1050398A3 EP1050398A3 (de) | 2001-01-17 |
EP1050398B1 true EP1050398B1 (de) | 2005-05-11 |
Family
ID=7906862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00104902A Expired - Lifetime EP1050398B1 (de) | 1999-05-04 | 2000-03-08 | Rundläufer-Tablettenpresse |
Country Status (3)
Country | Link |
---|---|
US (1) | US6361305B1 (de) |
EP (1) | EP1050398B1 (de) |
DE (2) | DE19920380C2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10024340C2 (de) * | 2000-05-11 | 2002-09-12 | Fette Wilhelm Gmbh | Stempel für Rundlaufpresse |
DE10113586A1 (de) * | 2001-03-20 | 2002-09-26 | Kilian Gmbh & Co Kg | Verfahren zur Demontage oder Montage der Maschinenteile von Rundlauf-Tablettenpressen und Rundlauf-Tablettenpresse |
US6972105B2 (en) * | 2003-03-31 | 2005-12-06 | Court Oy Nv | Rotary tablet press |
JP4506734B2 (ja) * | 2006-03-31 | 2010-07-21 | Tdk株式会社 | 成形装置 |
US20080029915A1 (en) * | 2006-08-02 | 2008-02-07 | Courtoy Nv | Rotary tablet press |
ES2460577T3 (es) * | 2008-04-18 | 2014-05-13 | Korsch Ag | Prensa rotativa para tabletas |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825387A (en) * | 1971-05-07 | 1974-07-23 | California Pellet Mill Co | Quick-change die and roller assembly |
GB2092508B (en) * | 1981-02-05 | 1985-08-21 | Frogerais Ed Sa | Improvements in or relating to tablet making machines |
DE3714031A1 (de) * | 1987-04-27 | 1988-11-10 | Fette Wilhelm Gmbh | Rundlauf-tablettiermaschine |
DE8817078U1 (de) * | 1987-05-11 | 1992-09-17 | Gühring oHG, 72458 Albstadt | Kupplungsvorrichtung zwischen einem Werkstück- oder Werkzeugträger und einer dafür vorgesehenen Handhabungseinrichtung |
DE8815075U1 (de) * | 1988-12-03 | 1990-04-05 | Manesty Machines Ltd., Liverpool, Lancashire | Tablettiermaschine |
DE4018453A1 (de) * | 1990-06-08 | 1991-12-12 | Fette Wilhelm Gmbh | Tablettiermaschine |
JPH0775799B2 (ja) * | 1990-09-13 | 1995-08-16 | 日本ニユクリア・フユエル株式会社 | 回転式粉末圧縮成形機 |
US5466102A (en) * | 1993-12-16 | 1995-11-14 | Kennametal Inc. | System for coupling machine tools |
JP2831277B2 (ja) * | 1994-07-27 | 1998-12-02 | 株式会社畑鉄工所 | 回転式粉末圧縮成型機 |
JP2948175B2 (ja) * | 1997-06-30 | 1999-09-13 | 株式会社菊水製作所 | 回転式粉末圧縮成形機 |
-
1999
- 1999-05-04 DE DE19920380A patent/DE19920380C2/de not_active Expired - Fee Related
-
2000
- 2000-03-08 EP EP00104902A patent/EP1050398B1/de not_active Expired - Lifetime
- 2000-03-08 DE DE50010260T patent/DE50010260D1/de not_active Expired - Lifetime
- 2000-04-18 US US09/551,792 patent/US6361305B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19920380C2 (de) | 2001-07-12 |
DE50010260D1 (de) | 2005-06-16 |
US6361305B1 (en) | 2002-03-26 |
EP1050398A2 (de) | 2000-11-08 |
EP1050398A3 (de) | 2001-01-17 |
DE19920380A1 (de) | 2000-11-16 |
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Legal Events
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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 |
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17P | Request for examination filed |
Effective date: 20000318 |
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