EP0809574B1 - Puderbestäubungseinrichtung - Google Patents
Puderbestäubungseinrichtung Download PDFInfo
- Publication number
- EP0809574B1 EP0809574B1 EP96937226A EP96937226A EP0809574B1 EP 0809574 B1 EP0809574 B1 EP 0809574B1 EP 96937226 A EP96937226 A EP 96937226A EP 96937226 A EP96937226 A EP 96937226A EP 0809574 B1 EP0809574 B1 EP 0809574B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzles
- powder
- powder dusting
- cam
- lifting device
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/06—Powdering devices, e.g. for preventing set-off
Definitions
- Powder dusting devices of this type are used to Printed matter in printing machines by the printing unit come and have gone through a drying section, to be provided with a powder layer, which in the following Stacking the printed matter stuck together prevented. For this purpose, they are close to the Transport level of the printed products arranged so that their nozzles mix the printed matter from air (air) and powder.
- the gripping devices comprise a gripping mechanism, who hold the printed matter on the edge can, and protrude above the transport level of the printed egg certificates out. Therefore, in the known powder pollination facilities the nozzles are proportionate have a large distance from the transport level at which the gripping devices can pass. This large distance has the disadvantage, however, that the powder-air mixture, which is thrown out of the nozzles spreads in an uncontrolled manner in the printing press.
- the object of the present invention is a powder dusting device of the type mentioned above To design that the powder-air mixture spatially more concentrated on the printed products can be.
- the nozzles of the powder dusting device no longer fixed. Much more you get a mobility perpendicular to the transport plane of printed matter, such that they are Approaching gripping devices can "dodge" in the relatively short period in which the Gripping devices pass under the nozzles, one keep a correspondingly large distance from the transport level. However, as soon as the gripping device passes the nozzles has returned to a position in which it the transport level and thus the one to be pollinated Surfaces of printed matter are very close. The close proximity of the nozzle openings to the print products allows a more controlled pollination than this known powder dusting equipment was possible.
- This embodiment is particularly robust and insensitive to faults.
- two parallel cam surfaces are provided, which form a cam track in which the cam follower is included.
- the two in parallel Cam surfaces guide the cam follower in both possible directions of movement, so that the latter without Using additional components to perform its function can.
- the lifting device is mechanically separated from the control device. Latter can then be easily electrical / electronic To run. You can do this at the transport level arranged to include the first sensor when approaching a gripping device to the nozzles a first signal to the lifting device, which the lifting device causes the nozzle to move to the first position.
- the sensor can be any device which indicates the physical proximity of the gripping device responds, e.g. B. all forms of proximity switches, Light barriers, but also around mechanical switches, the actuator of the passing gripping devices is acted upon.
- the "reset" of the nozzles in that of the transport level can in turn be different Ways are done:
- control device comprises a second sensor arranged on the transport plane, the second when a gripping device moves away Output signal to the lifting device, which the lifting device causes the nozzle to move to the second position.
- control device a timer contains which of the first signal of the first sensor is initiated and after a certain period of time emits a second signal, which the lifting device Is fed and causes the nozzles in to bring the second position.
- This variant is likely generally cheaper than the one mentioned above, be control device working with two sensors.
- the time period defined by the timer between The occurrence of the first and second signals becomes like this chosen that at the respective speed of the Transport system is sufficient, the gripping device to the To let nozzles pass.
- the first variant is characterized in that the Nozzles are rigidly connected to a manifold and with this forms a movable unit that over a flexible hose connected to the mixing channel is.
- This variant comes with a single flexible Hose out, both in terms of material usage as well as in terms of assembly costs is.
- one that is rigidly connected to the nozzle means Manifold in general also a little bigger moving mass.
- an embodiment of the invention be selected in which the nozzles have a slight Support rod are connected to a movable unit and each nozzle over a flexible hose with one fixed manifold is connected, which in turn communicates with the mixing device.
- the manifold not moving; the cohesion of the nozzle assembly, which combines the various nozzles, takes place over the support rod which is much lighter than one Distribution pipe can be.
- a connection between each nozzle and the manifold be made using a flexible hose.
- An embodiment of the invention is particularly preferred, which has a sensor that the position of the Nozzles are detected and an output signal is generated, which the mixer only works for as long as how the nozzles in the second position (close to the transport level). Pollination is so interrupted as long as the nozzles for passing one Gripping device are raised to the first position; in this way, the Above mentioned disadvantages avoided, which are known Find powder pollination facilities.
- the lifting device is particularly easy to control, when they swing between the nozzles the two positions.
- the lifting device has a single or multi-armed lever which carries the nozzles in a first position and in a second point is driven by a cam surface.
- the movement between the nozzles is advantageously between the cam surface serving the two positions is so formed and driven that one revolution of the cam surface of the Movement of the transport system of the printing press around the distance between two successive gripping devices corresponds.
- FIG 1 is the outlet area of a printing press shown. To the right of the area shown to think the actual printing unit. The printed matter are using the entire printing press With the help of a conveyor system that moves two endless Conveyor chains 1 includes.
- the visible in Figure 1 Conveyor chain 1 lies behind the drawing level; a corresponding is endless conveyor chain 1, parallel to that shown Conveyor chain 1 running, in front of the drawing level of Figure 1 attached.
- the two conveyor chains 1 are through a large number of gripping devices 2 with one another connected, which is perpendicular to the plane of the figure 1 extend and on each of which a gripping mechanism is attached for capturing a printed product.
- the Construction of such gripping devices 2 is on and for known.
- the gripping devices 2 are along the conveyor chains 1 arranged at regular intervals from each other and transport the printed products from the not shown Infeed area of the printing press through the also not shown printing unit through and then in the sense of arrow 3 on one in Figure 1 only schematically indicated powder dusting device 4 over to one Stack 5 on which they are dropped.
- the drying section On which the still pressurized printed products largely dried, for example in the area of the conveying path provided with the reference symbol 6 '. Since the printed matter on the drying line, their length is limited for economic reasons must be kept, not completely dried be that mutual sticking excluded the powdering device 4 is provided, with which a powder layer on the printed products is applied. This prevents sticking together in stack 5 of the superimposed printed matter.
- FIG. 1 An embodiment of such a powder dusting device 4 is larger in Figures 2 and 3 shown to scale.
- a plurality of nozzles 6 that over a common manifold 7 are fed on the transport level of the conveyed by the conveyor chains 1 Printed products.
- the manifold 7 is via a flexible hose 16 with a Mixing device 8 connected, in which the powder, in generally a corn starch product mixed with air and so is conveyed to the nozzles 6.
- a sprocket 9 is in the machine housing, which is not is shown in more detail by means of an axle stub 10 rotatably mounted and engages in the transport chain 1 one behind the plane of the drawing in Figures 2 and 3 is moved in the direction of arrow 3.
- the circumference of the sprocket 9 corresponds to the distance below which the gripping devices 2 of the conveyor chains 1 are worn.
- cam track 11 which are parallel to each other has extending cam surfaces 11a, 11b.
- the cam track 11 has the following shape:
- the cam track 11 follows an arc that is concentric with the center of rotation of the chain wheel 9 and has a relatively small radius.
- the angle range ⁇ is adjoined on both sides by angles ⁇ 1 and ⁇ 2 transition areas in which the cam track 11 changes from the smaller radius to a larger radius.
- the cam track 11 follows an arc that is also concentric with the center of rotation of the chain wheel 9, but has a larger radius.
- the distributor pipe 7 is with a cam follower Serving pin 12 projecting in the axial direction provided which engages in the cam track 11.
- the Distribution pipe 7 and thus the nozzles 6 are between two Guides 13, indicated by dashed lines in the drawing are movable in the vertical direction. The order is so that the vertical position of the nozzles 6 through the cam track 11, ultimately through the rotational position the sprocket 9 is determined.
- the distance between two successive gripping devices 2 on the transport chain 1 corresponds to the scope of the Sprocket 9 or an integer multiple thereof.
- the sprocket 9 is mounted so that the cam track 11th in the angular range ⁇ , in which they are smaller than the circular arc Diameter follows, in engagement with the cam follower 12th of the distributor pipe 7, when under the nozzles 6 a gripping device 2 passes by.
- the powdering device 4 described above works as follows:
- the cam follower 12 of the distributor tube 7 gets into that transition region of the cam track 11 in the chain wheel 9, which is assigned to the lagging angular range ⁇ 2 .
- the cam follower 12 so that the distributor pipe 7 and the nozzles 6 fastened thereon, is again transferred into that area of the cam track 11 which has the larger radius.
- This transfer of the cam follower 12 is accompanied by a lowering of the distributor pipe 7, which is displaceable between the guides 13, and the nozzles 6 into the position shown in FIG. 3.
- the conditions are such that the nozzles 6 briefly from the transport level of the printed products pull back to pass a gripping device 2 and then immediately afterwards return to a position adjacent to the transport level.
- a sensor 15 which detects the presence of the lowered manifold 7 or the lowered nozzles 6 notes.
- the one shown in the drawing Embodiment of the sensor 15 is a reflection light barrier.
- All types of proximity switches or a mechanical one Microswitch, the actuator in Path of movement of the nozzles 6 or one with it moving component is.
- the sensor 15 inputs the mixing device 8 Switch-on signal.
- the mixing device 8 then delivers the powder-air mixture through the flexible hose 16 to the distributor pipe 7, from which they go through the nozzles 6 emerges in the direction of the printed products. Poses the sensor 15, on the other hand, as shown in FIG. 2, fixed, that the nozzles 6 and the manifold 7 for passage a gripping device 2 are raised up there he to the mixing device 8 a shutdown signal, so that no powder is blown out of the nozzles 6 during this time becomes.
- the cam device which is lifting and lowering of the nozzles 6 causes as a cam track 11 configured two opposite cam surfaces 11a and 11b.
- the cam follower 7 is thus both in Direction upwards as well as downwards between the two cam surfaces 11a and 11b positively.
- the nozzles 6 and the manifold 7 are by a pretensioner, e.g. a feather, after applied above, so that the cam follower 12 without Counter-guidance is in contact with this one cam surface 11a remains.
- Embodiment of the powder dusting device 4 takes place the control of the lifting and lowering movement on electronic Ways.
- the distributor pipe 7 with the nozzles 6 on a pneumatic cylinder or other linear actuator e.g. a magnetic drive
- a pneumatic cylinder or other linear actuator e.g. a magnetic drive
- the Approach of a gripping device 2 to the nozzles 6 by a first sensor, e.g. B. a (reflection) light barrier detected.
- This first sensor enters first signal to the lifting device, which then the Nozzles 6 and the manifold 7 in the upper position moves.
- the gripping device 2 passes through a second sensor, which is similar how the first sensor can be constructed.
- This second The sensor indicates when passing the gripping device 2 Lifting device sends a second signal, following which the nozzles 6 and the distributor pipe 7 back into the transport plane of the printed products returns to the adjacent position.
- the sensors which act on the lifting device, also for switching on and off the mixing device 8 can be used.
- Embodiment of the powder moistening device 4 becomes a complete nozzle assembly consisting of a distributor pipe 7 and the nozzles 6, back and forth in the vertical direction moved.
- a single flexible one is sufficient Hose 16, which is the connection between the Mixing device 8 and the manifold 7 produces. It may be beneficial to reduce the moving masses, the manifold 7 stationary on Attach machine frame and only the nozzles that are in in this case by a very light connecting rod are held together to reciprocate vertically. In this embodiment of the invention everyone leads Nozzle a flexible hose to the manifold.
- the lifting device comprises a double-armed Lever 17, on one arm 18 of which the nozzles 6 are arranged are and the other arm 19 of a cam surface 11a, 11b is driven, for which purpose it is driven by a drive pin 20 engages in the cam track 11.
- the lever 17 is on a pin 21 fixed to the frame.
- the sprocket 9 rotates the cam track 11 synchronously Movement of conveyor chains 1, and as a result obtained the nozzles swing from one to the other Position.
- the cam track 11 is attached to the chain wheel 9, the extent of which is the distance between two successive ones Gripping devices 2 corresponds.
- the phase position of the sprocket 9 is in the assembly on the phase position the gripping devices 2 matched, so that again it is ensured that the nozzles 6 during the passage a gripping device 2 each by a sufficient Distance from that covered by the printed matter Web to be lifted off.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Discharge By Other Means (AREA)
Description
und
- Figur 1:
- schematisch den Auslaufbereich einer Druckmaschine;
- Figur 2:
- ebenfalls schematisch eine in der Druckmaschine von Figur 1 vorgesehene Puderbestäubungseinrichtung in einer ersten Position der Düsen;
- Figur 3:
- eine Ansicht entsprechend der Figur 2, in der sich jedoch die Düsen in einer zweiten Position befinden;
- Figur 4:
- die Ansicht eines eine Nockenspur tragenden Kettenrades, welches bei der Puderbestäubungseinrichtung der Figuren 2 und 3 Verwendung findet; und
- Figur 5:
- eine schematische Darstellung eines abgewandelten Antriebes zum Verstellen der Düsen einer Puderbestäubungseinrichtung.
Claims (14)
- Puderbestäubungseinrichtung für eine Druckmaschine mita) einer Vielzahl von Düsen, über welche eine Puder-Tragluft-Mischung gegen die von Greifeinrichtungen des Transportsystemes der Druckmaschine vorbeibewegten Druckereierzeugnissen gerichtet wird;b) einer Mischeinrichtung, in welcher der Puder mit Luft zur Erzeugung der Puder-Tragluft-Mischung vermischt wird;c) mindestens einer Verbindungsleitung, welche die Mischeinrichtung mit den Düsen verbindet,
gekennzeichnet, durchd) eine Hubeinrichtung (9 bis 13), welche die Düsen (6) zwischen zwei Positionen hin- und herbewegen kann, nämlichundda) einer von der Transportebene der Druckereierzeugnisse verhältnismäßig weit entfernten ersten Position
unddb) einer verhältnismäßig nahe an der Transportebene der Druckererzeugnisse liegenden zweiten Position,e) eine die Position der Greifeinrichtung (2) erfassenden Steuereinrichtung (11, 12), die mit der Hubeinrichtung (9 bis 13) derart zusammenwirkt, daß diese die Düsen (6) in die erste Position bringt, solange sich eine Greifeinrichtung (2) in der Nähe der Düsen (6) befindet, und die Düsen (6) in die zweite Position bringt, wenn die Greifeinrichtung (2) sich in ausreichendem Abstand von den Düsen (6) befindet. - Puderbestäubungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Hubeinrichtung und die Steuereinrichtung in einem Nockenmechanismus (9 bis 13) zusammengefaßt sind, der umfaßt:a) mindestens ein mit einer Förderkette (1) des Transportsystemes zusammenwirkendes Kettenrad (9);b) mindestens eine von dem Kettenrad (9) angetriebene, in sich geschlossene Nockenfläche (11a, 11b);c) mindestens ein mit den Düsen (6) verbundenes Nockenfolgeglied (12), welches mit der Nockenfläche (11a, 11b) zusammenwirkt;d) eine Führung (13), welche die Düsen (6) auf dem Weg zwischen ihren beiden Positionen führt.
- Puderbestäubgseinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß zwei parallele Nockenflächen (11a, 11b) vorgesehen sind, die eine Nockenspur (11) bilden, in welcher das Nockenfolgeglied (12) aufgenommen ist.
- Puderbestäubungseinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß nur eine Nockenfläche vorgesehen ist und daß das Nockenfolgeglied durch eine Vorspanneinrichtung gegen die eine Nockenfläche gedrückt ist.
- Puderbestäubungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Hubeinrichtung mechanisch von der Steuereinrichtung getrennt ist und daß letztere mindestens einen an der Transportebene angeordneten ersten Sensor umfaßt, der bei Annäherung einer Greifeinrichtung an die Düsen ein erstes Signal an die Hubeinrichtung abgibt, welche die Hubeinrichtung veranlaßt, die Düse in die erste Position zu bringen.
- Puderbestäubungseinrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Steuereinrichtung einen zweiten an der Transportebene angeordneten Sensor umfaßt, der bei der Wegbewegung einer Greifeinrichtung ein zweites Signal an die Hubeinrichtung abgibt, welches die Hubeinrichtung veranlaßt, die Düsen in die zweite Position zu bringen.
- Puderbestäubungseinrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Steuereinrichtung ein Zeitglied enthält, welches von dem ersten Signal des ersten Sensors angestoßen wird und nach Ablauf einer bestimmten Zeitspanne ein zweites Signal abgibt, welches der Hubeinrichtung zugeführt wird und diese veranlaßt, die Düsen in die zweite Position zu bringen.
- Puderbestäubungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Düsen (6) mit einem Verteilerrohr (7) starr verbunden sind und mit diesem eine bewegliche Einheit bilden, die über einen flexiblen Schlauch (16) mit der Mischeinrichtung (8) verbunden ist.
- Puderbestäubungseinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Düsen mit einer leichten Tragstange zu einer beweglichen Einheit verbunden sind und jede Düse über einen flexiblen Schlauch mit einem feststehenden Verteilerrohr verbunden ist, welches seinerseits mit der Mischeinrichtung in Verbindung steht.
- Puderbestäubungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie einen Sensor (15) aufweist, der die Position der Düsen (6) erfaßt und ein Ausgangssignal erzeugt, welches die Mischeinrichtung (8) nur so lange in Funktion setzt, wie sich die Düsen (6) in der zweiten Stellung befinden.
- Puderbestäubungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Hubeinrichtung die Düsen in einer Schwenkbewegung zwischen den beiden Positionen verstellt.
- Puderbestäubungseinrichtung nach Anspruch 11, dadurch gekennzeichnet, daß die Hubeinrichtung einen ein- oder mehrarmigen Hebel umfaßt, der an ersten Stelle die Düsen (6) trägt und an welchem an einer zweiten Stelle eine synchron zur Fördergeschwindigkeit der Druckerzeugnisse angetriebene Nockenfläche (11) angreift.
- Puderbestäubungseinrichtung nach einem der Ansprüche 2 bis 12, dadurch gekennzeichnet, daß die Nockenfläche (11a, 11b) für eine Weiterbewegung der Förderkette (1) um eine Strecke, die dem Abstand zweier aufeinanderfolgender Greifeinrichtungen (2) entspricht, einen Umlauf durchführt.
- Puderbestäubungseinrichtung nach Anspruch 2 in Kombination mit Anspruch 13, dadurch gekennzeichnet, daß der Umfang des Kettenrades (9) dem Abstand aufeinanderfolgender Greifeinrichtungen (2) entspricht.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19546720A DE19546720A1 (de) | 1995-12-14 | 1995-12-14 | Puderbestäubungseinrichtung |
| DE19546720 | 1995-12-14 | ||
| PCT/EP1996/004635 WO1997021545A1 (de) | 1995-12-14 | 1996-10-25 | Puderbestäubungseinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0809574A1 EP0809574A1 (de) | 1997-12-03 |
| EP0809574B1 true EP0809574B1 (de) | 1999-05-26 |
Family
ID=7780139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96937226A Expired - Lifetime EP0809574B1 (de) | 1995-12-14 | 1996-10-25 | Puderbestäubungseinrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5823112A (de) |
| EP (1) | EP0809574B1 (de) |
| JP (1) | JPH11500376A (de) |
| DE (2) | DE19546720A1 (de) |
| WO (1) | WO1997021545A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009041225A1 (de) | 2009-09-11 | 2011-03-24 | Heidelberger Druckmaschinen Ag | Druckmaschine mit einer Pudervorrichtung |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19636658C2 (de) * | 1996-09-10 | 2000-12-14 | Roland Man Druckmasch | Vorrichtung zur Oberflächenbehandlung von bogenförmigen Bedruckstoffen |
| JP2001239645A (ja) * | 2000-03-02 | 2001-09-04 | Komori Corp | 枚葉輪転印刷機のパウダー装置 |
| US20050045055A1 (en) * | 2003-08-28 | 2005-03-03 | Daniel Gelbart | Security printing method |
| DE102011076067A1 (de) | 2011-05-18 | 2012-11-22 | manroland sheetfed GmbH | Verfahren zum Auslegen von Bogenmaterial in einer Bogenverarbeitungsmaschine und Auslegervorrichtung |
| US9731498B2 (en) * | 2013-10-28 | 2017-08-15 | Hewlett-Packard Indigo B.V. | To apply a fluid to a substrate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1555797A (en) * | 1924-09-12 | 1925-09-29 | Allen L Grammer | Spraying apparatus |
| US4332198A (en) * | 1980-06-23 | 1982-06-01 | Schmoeger Duane A | Printing press with an air assist sheet delivery and powdering system |
| DE3143089A1 (de) * | 1981-10-30 | 1983-05-26 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Vorrichtung zum trocknen von bedruckten bogen an offsetdruckmaschinen |
| US4807528A (en) * | 1987-06-10 | 1989-02-28 | Airtech Company, Inc. | Offset prevention means for printing presses |
| US5001980A (en) * | 1988-12-29 | 1991-03-26 | Komori Printing Machinery Co., Ltd. | Delivery apparatus for sheet-fed printing press |
| JP2870660B2 (ja) * | 1990-03-06 | 1999-03-17 | 理想科学工業株式会社 | 孔版印刷装置 |
| JP3025361B2 (ja) * | 1992-02-07 | 2000-03-27 | 理想科学工業株式会社 | 孔版印刷装置のブレード式スキージ装置 |
-
1995
- 1995-12-14 DE DE19546720A patent/DE19546720A1/de not_active Withdrawn
-
1996
- 1996-10-25 US US08/860,765 patent/US5823112A/en not_active Expired - Fee Related
- 1996-10-25 WO PCT/EP1996/004635 patent/WO1997021545A1/de not_active Ceased
- 1996-10-25 DE DE59602001T patent/DE59602001D1/de not_active Expired - Fee Related
- 1996-10-25 JP JP9521641A patent/JPH11500376A/ja active Pending
- 1996-10-25 EP EP96937226A patent/EP0809574B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009041225A1 (de) | 2009-09-11 | 2011-03-24 | Heidelberger Druckmaschinen Ag | Druckmaschine mit einer Pudervorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997021545A1 (de) | 1997-06-19 |
| DE59602001D1 (de) | 1999-07-01 |
| US5823112A (en) | 1998-10-20 |
| EP0809574A1 (de) | 1997-12-03 |
| JPH11500376A (ja) | 1999-01-12 |
| DE19546720A1 (de) | 1997-06-19 |
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