EP0468266B1 - Device for supporting a pressurised cylinder - Google Patents
Device for supporting a pressurised cylinder Download PDFInfo
- Publication number
- EP0468266B1 EP0468266B1 EP91111333A EP91111333A EP0468266B1 EP 0468266 B1 EP0468266 B1 EP 0468266B1 EP 91111333 A EP91111333 A EP 91111333A EP 91111333 A EP91111333 A EP 91111333A EP 0468266 B1 EP0468266 B1 EP 0468266B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolls
- supporting
- roll
- support
- supported
- 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
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/02—Rotary intaglio printing presses for multicolour printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/26—Arrangement of cylinder bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
- Y10T156/1702—For plural parts or plural areas of single part
- Y10T156/1705—Lamina transferred to base from adhered flexible web or sheet type carrier
Definitions
- the invention relates to a device for supporting a pressure-loaded roller according to the preamble of patent claim 1.
- a support device in which a thin flexible work roll is supported by a series of pressure rollers each provided in pairs, each of which Pair consists of two pressure rollers mounted side by side and parallel to each other in a bearing body.
- the bearing body is guided up and down in vertical guides of the frame by pins which are located in the central transverse plane of the pressure rollers, about a pivot axis running transversely to the axes of rotation of the pressure rollers, and is in the region of the piston by pistons, the cylinders of which are arranged fixed to the frame both ends loaded.
- the cylinders of all the bearing bodies of the pressure rollers provided in pairs are connected to a common pressure medium source, so that all pressure rollers exert the same support pressure on the work roll.
- the known support device has a complex design, in particular because of the two hydraulic pressure medium piston-cylinder units required for each pair of pressure rollers.
- the object of the invention is to provide a simpler support device of the type specified at the outset, which ensures that a roller supported by this loads a flat object passing therethrough with essentially the same pressure over its length.
- the device according to the invention is used to support the two press rolls of a pair of press rolls of a device for checking the color separations of a multicolor print of the type specified at the outset, the image carrier passing through the nip of the press roll pair is loaded with its ink carrier film over its width with approximately the same line pressure, so that a good picture that is not falsified by different pressings.
- roller to be supported or the rollers to be supported are expediently supported over their length by several pairs of support rollers mounted on roller carriers.
- roller supports and possibly also the other beam-like supports supporting them are arranged symmetrically to the central transverse plane of the rollers to be supported, so that this symmetry also results in approximately equal support forces for the support rollers.
- the machine frame of the device consists of the two side walls 1, 2, which are firmly connected to one another by a cross member 3.
- the bearing blocks 4 ', 5' are welded onto the crossbeam 3, which support the roller carriers 4 '', 5 '' via cylindrical-shell-shaped bearings, which in turn support the bearing blocks 4, 5 for the support rollers 6.
- the support rollers 6 support a lower pressure roller 7, which is drivably mounted in the two side walls 1, 2.
- a bearing journal is guided out of the side of the side wall 1 and carries a chain wheel 9. This chain wheel 9 is connected via a chain 10 to a chain wheel 11 of a geared motor 12.
- An upper press roller 18 is supported by support rollers 21 which are mounted on bearing blocks 23 on roller carriers 23 'mounted in a beam-like manner.
- the roller carriers 23 ' are supported by cylindrical-shell-shaped bearings 21' at the ends of further beams 23 '' which are supported in the manner of beams.
- These balance beam-like carriers 23 ' are in turn supported by cylindrical-shell-shaped bearings 21' 'on the web part of a bow-shaped carrier 28' which can be moved up and down by a spindle 26 which passes through a gear housing 28 when a motor 31 is started up .
- the gear housing 28 and the motor 31 are connected to a bracket 33 which is screwed to the side walls 1, 2.
- the support bearings for the roller supports and the beam-like supports can additionally be supported or stiffened in the region of the support bearings.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Rotary Presses (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Photographic Developing Apparatuses (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Laminated Bodies (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Stützen einer druckbelasteten Walze nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for supporting a pressure-loaded roller according to the preamble of patent claim 1.
Bei druckbelasteten Walzen, insbesondere den Walzen eines Preßwalzenpaares, besteht das Problem, daß unter der Walze oder durch den Walzenspalt hindurchlaufende flache Werkstücke oder Bahnen über ihre Breite selbst dann nicht gleichmäßig mit Druck belastet werden, wenn die Walze oder Walzen von Gegendruckwalzen oder Stützrollen abgestützt sind, weil auch diese oder deren Träger sich durchbiegen können. Bei einer aus der älteren, aber nicht vorveröffentlichten Patentanmeldung gemäß DE-A-40 18 295 bekannten Vorrichtung der eingangs angegebenen Art zum Prüfen der Farbauszüge eines Mehrfarbendruckes hat sich gezeigt, daß die Preßwalzen des Preßwalzenpaares den durchlaufenden Bildträger mit aufgelegter Farbfolie über ihre Breite nicht gleichmäßig belasten, weil sich auch der Träger für die Preßrollen, die sich auf der oberen Preßwalze abstützen, und die die untere Preßwalze stützende Gegendruckrolle durchbiegen könnte, so daß die Linienpressung in den Endbereichen zwischen den Preßrollen größer ist als in deren mittlerem Bereich. Der Träger für die oberen Andrückrollen kann sich durchbiegen, weil an dessen seitlichen Bereichen diesen auf- und abbewegende Spindeln angreifen.In the case of pressure-loaded rollers, in particular the rollers of a pair of press rollers, there is the problem that flat workpieces or webs running under the roller or through the nip are not evenly loaded with pressure over their width even when the roller or rollers are supported by counter-pressure rollers or support rollers because these or their beams can bend. In a device of the type specified at the outset, which is known from the older, but not prepublished, patent application according to DE-A-40 18 295 for checking the color separations of a multicolor print, it has been found that the press rolls of the press roll pair do not uniformly pass the continuous image carrier with the color film placed over its width load because the carrier for the press rolls, which are supported on the upper press roll, and the counterpressure roll supporting the lower press roll could bend, so that the line pressure in the end regions between the press rolls is greater than in the central region. The carrier for the upper pressure rollers can bend because the up and down moving spindles attack the lateral areas.
Aus DE-A-11 11 003 ist eine Stützvorrichtung bekannt, bei der eine dünne biegsame Arbeitswalze durch eine Reihe von jeweils paarweise vorgesehenen Druckrollen abgestützt ist, von denen jedes Paar aus zwei nebeneinander und parallel zueinander in einem Lagerkörper gelagerten Druckwalzen besteht. Der Lagerkörper ist durch Zapfen, die sich in der mittleren Querebene der Druckrollen befinden, um eine quer zu den Drehachsen der Druckrollen verlaufende Schwenkachse in vertikalen Führungen des Gestells auf- und abbewegbar geführt und wird durch Kolben, deren Zylinder gestellfest angeordnet sind, im Bereich seiner beiden Enden belastet. Die Zylinder sämtlicher Lagerkörper der paarweise vorgesehenen Druckrollen sind an eine gemeinsame Druckmittelquelle angeschlossen, so daß sämtliche Druckrollen den gleichen Stützdruck auf die Arbeitswalze ausüben. Die bekannte Stützvorrichtung besitzt insbesondere wegen der für jedes Druckrollenpaar erforderlichen beiden hydraulischen Druckmittel-Kolben-Zylinder Einheiten eine aufwendige Bauweise.From DE-A-11 11 003 a support device is known in which a thin flexible work roll is supported by a series of pressure rollers each provided in pairs, each of which Pair consists of two pressure rollers mounted side by side and parallel to each other in a bearing body. The bearing body is guided up and down in vertical guides of the frame by pins which are located in the central transverse plane of the pressure rollers, about a pivot axis running transversely to the axes of rotation of the pressure rollers, and is in the region of the piston by pistons, the cylinders of which are arranged fixed to the frame both ends loaded. The cylinders of all the bearing bodies of the pressure rollers provided in pairs are connected to a common pressure medium source, so that all pressure rollers exert the same support pressure on the work roll. The known support device has a complex design, in particular because of the two hydraulic pressure medium piston-cylinder units required for each pair of pressure rollers.
Aufgabe der Erfindung ist es, eine einfachere Stützvorrichtung der eingangs angegebenen Art zu schaffen, die gewährleistet, daß eine durch diese abgestützte Walze einen flachen unter dieser hindurchlaufenden Gegenstand mit im wesentlichen gleicher Pressung über ihre Länge belastet.The object of the invention is to provide a simpler support device of the type specified at the outset, which ensures that a roller supported by this loads a flat object passing therethrough with essentially the same pressure over its length.
Erfindungsgemäß wird diese Aufgabe durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Die waagenbalkenartige Lagerung des Rollenträgers gewährleistet, daß die auf diesem gelagerten Rollen stets mit gleicher Kraft die Druckwalze stützen, so daß eine Durchbiegung der Walze verhindert, zumindest aber wesentlich herabgesetzt ist.According to the invention, this object is achieved by the characterizing features of patent claim 1. The balance beam-like mounting of the roller carrier ensures that the rollers mounted on this always support the pressure roller with the same force, so that deflection of the roller is prevented, but is at least substantially reduced.
Wird die erfindungsgemäße Vorrichtung zum Stützen der beiden Preßwalzen eines Preßwalzenpaares einer Vorrichtung zum Prüfen der Farbauszüge eines Mehrfarbendruckes der eingangs angegebenen Art verwendet, wird der durch den Walzenspalt des Preßwalzenpaares hindurchlaufende Bildträger mit aufgelegter Farbträgerfolie über seine Breite mit etwa gleicher Linienpressung belastet, so daß sich ein gutes Bild ergibt, das nicht durch unterschiedliche Pressung verfälscht ist.If the device according to the invention is used to support the two press rolls of a pair of press rolls of a device for checking the color separations of a multicolor print of the type specified at the outset, the image carrier passing through the nip of the press roll pair is loaded with its ink carrier film over its width with approximately the same line pressure, so that a good picture that is not falsified by different pressings.
Zweckmäßigerweise sind die zu stützende Walze bzw. die zu stützenden Walzen über ihre Länge durch mehrere Paare von auf Rollenträgern gelagerten Stützrollen abgestützt.The roller to be supported or the rollers to be supported are expediently supported over their length by several pairs of support rollers mounted on roller carriers.
In weiterer Ausgestaltung der Erfindung ist vorgesehen, daß jeweils zwei Rollenträger auf einem weiteren waagebalkenartigen Träger gelagert sind, der in der Mitte zwischen den beiden Lagern der Rollenträger um eine zu der Drehachse der Rollen querverlaufende Achse auf einem gestellfesten oder einem gestellfest gehaltenem Träger oder Tragteil gelagert ist. Durch diese doppelte waagebalkenartige Lagerung von vier Stützrollen kann deren Stützkraft auf einen Punkt reduziert werden, der sich an einem besonders ausgesteiften oder Tragteil befindet. Sind mehrere jeweils zwei Rollenträger tragende waagebalkenartige Träger vorgesehen, können deren Lagerpunkte so gewählt werden, daß sie etwa gleiche Stützkräfte aufzunehmen vermögen, so daß sämtliche Stützrollen mit im wesentlichen gleicher Stützkraft an die abzustützende Walze oder Walzen angestellt werden können.In a further embodiment of the invention it is provided that in each case two roller carriers are mounted on a further beam-like carrier which is mounted in the middle between the two bearings of the roller carriers about an axis transverse to the axis of rotation of the rollers on a carrier or supporting part which is fixed to the frame or is fixed to the frame is. Through this double beam-like mounting of four support rollers, their support force can be reduced to a point located on a particularly stiffened or supporting part. If a plurality of beam-like supports, each carrying two roller carriers, are provided, their bearing points can be selected so that they are able to absorb approximately the same supporting forces, so that all supporting rollers with essentially the same supporting force are applied to the roller to be supported or rollers can be employed.
Zweckmäßigerweise sind die Rollenträger und gegebenenfalls auch die diese lagernden weiteren waagebalkenartigen Träger symmetrisch zu der mittleren Querebene der zu stützenden Walzen angeordnet, so daß sich zusätzlich auch durch diese Symmetrie etwa gleich große Abstützkräfte für die Stützrollen ergeben.Appropriately, the roller supports and possibly also the other beam-like supports supporting them are arranged symmetrically to the central transverse plane of the rollers to be supported, so that this symmetry also results in approximately equal support forces for the support rollers.
Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnung an einer Vorrichtung zum Prüfen der Farbauszüge eines Mehrfarbendruckes näher beschrieben, wobei
- Fig.1 eine Vorderansich der Vorrichtung und
- Fig.2 einen mittleren Schnitt durch die Vorrichtung
- 1 shows a front view of the device and
- 2 shows a middle section through the device
Das Maschinengestell der Vorrichtung besteht aus den beiden Seitenwänden 1,2, die durch eine Traverse 3 fest miteinander verbunden sind. Auf die Traverse 3 sind die Lagerböcke 4',5' aufgeschweißt, welche über zylinderschalenförmige Lager die Rollenträger 4'',5'' lagern, die ihrerseits die Lagerböcke 4,5 für die Stützrollen 6 tragen. Die Stützrollen 6 stützen eine untere Anpreßwalze 7 ab, die in den beiden Seitenwänden 1,2 antreibbar gelagert ist. Zum Zwecke ihres Antriebs ist ein Lagerzapfen seitlich aus der Seitenwand 1 herausgeführt und trägt ein Kettenrad 9. Dieses Kettenrad 9 steht über eine Kette 10 mit einem Kettenrad 11 eines Getriebemotors 12 in Verbindung.The machine frame of the device consists of the two
Eine obere Preßwalze 18 ist von Stützrollen 21 abgestützt, die über Lagerböcke 23 auf waagebalkenartig gelagerten Rollenträgern 23' gelagert sind. Die Rollenträger 23' sind über zylinderschalenförmige Lager 21' an den Enden von weiteren lagebalkenartig gelagerten Trägern 23'' gelagert. Diese waagebalkenartigen Träger 23' sind wiederum über zylinderschalenförmige Lager 21'' an dem Stegteil eines bügelförmigen Trägers 28' gelagert, der von einer Spindel 26, die ein Getriebegehäuse 28 durchsetzt, auf- und abgefahren werden kann, wenn ein Motor 31 in Betrieb gesetzt wird. Das Getriebegehäuse 28 und der Motor 31 sind mit einer Konsole 33 verbunden, die mit den Seitenwänden 1,2 fest verschraubt ist.An
Der grundsätzliche Aufbau der Vorrichtung zum Prüfen der Farbauszüge eines Mehrfarbendruckes ist aus der Patentanmeldung P 40 18 295.9 bekannt.The basic structure of the device for checking the color separations of a multicolor print is known from patent application P 40 18 295.9.
Um den die Stützlager für die Rollenträger und den waagebalkenartigen Trägern eine größere Steifigkeit zu verleihen, können diese zusätzlich im Bereich der Stützlager abgestützt oder ausgesteift sein.In order to give the support bearings for the roller supports and the beam-like supports greater rigidity, they can additionally be supported or stiffened in the region of the support bearings.
Claims (4)
- A device for supporting a pressure roll (7, 18), consisting of supporting rolls (6, 21) which are positioned against the pressure roll and are assembled in a frame (1, 2), the supporting rolls (6, 21) running on bearings on a roll carrier (4'', 5''; 23'), which is centrically swivelling around an axis perpendicular to a rotational axis of the supporting rolls, preferably for the purpose of supporting the rolls of a laminating pressure roll pair, the device preferably being used for color proofing a multi-color print, said device for color proofing a multi-color print consistsing of a pair of rolls which are assembled in a frame, and which are separable from each other through whose gap an image bearing element, consisting of a support with an exposed layer having imagewise tacky and non-tacky areas and a colored film placed on top of the exposed layer, said colored film consisting of a base film with a dye coating, is transported such that portions of the dye layer adhere to the tacky areas of the image bearing element,
characterized by the fact
that two supporting rolls (6, 21) run on bearings at a distance from each other on the roll carrier (4'', 5''; 23') which is mounted on bearings and supported balance-strut-like centrically between the support rolls (6, 21) on a swivelling axis (4', 5'; 21'), which is perpendicular to the rotational axis of the support rolls, and supported on a support (3) or supporting piece (28'), which is held in a fixed position or is itself fixed with respect to the frame. - A device according to claim 1, characterized by the fact that the roll or rolls (7, 18) to be supported are braced over their length by several pairs of support rolls which are held on roll carriers (4'', 5''; 23').
- A device according to claim 1 or 2, characterized by the fact that two roll carriers (23') respectively are held on a additional balance-strut-like carrier (23''), which is supported in the middle between the two bearings (23) of the roll carriers (23'), around an axis which is perpendicular to the rotational axis of the rolls (21), on a support or supporting piece (28'), which is held in a fixed position or is itself fixed with respect to the frame.
- A device according to one of the claims 1 to 3, characterized by the fact that the roll carriers and, if present, the additional balance-strut-like carriers which brace them, are arranged symmetrically with respect to the center cross sectional plane of the rolls (7, 18) which are to be braced.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4023944A DE4023944A1 (en) | 1990-07-27 | 1990-07-27 | DEVICE FOR SUPPORTING A PRESSURE-LOADED ROLLER |
| DE4023944 | 1990-07-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0468266A2 EP0468266A2 (en) | 1992-01-29 |
| EP0468266A3 EP0468266A3 (en) | 1992-06-17 |
| EP0468266B1 true EP0468266B1 (en) | 1996-01-17 |
Family
ID=6411167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91111333A Expired - Lifetime EP0468266B1 (en) | 1990-07-27 | 1991-07-08 | Device for supporting a pressurised cylinder |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5282415A (en) |
| EP (1) | EP0468266B1 (en) |
| JP (1) | JP2708292B2 (en) |
| KR (1) | KR960003328B1 (en) |
| CA (1) | CA2047851A1 (en) |
| DE (2) | DE4023944A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4114313C2 (en) * | 1991-05-02 | 1994-12-08 | Du Pont Deutschland | Laminator |
| KR102524604B1 (en) * | 2017-12-14 | 2023-04-24 | 삼성디스플레이 주식회사 | Apparatus for imprint and imprint method using the same |
| KR102318640B1 (en) * | 2019-11-15 | 2021-10-28 | 주식회사 리텍 | Imprint apparatus |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US864660A (en) * | 1906-11-12 | 1907-08-27 | William Love | Pressure-roller. |
| US2718827A (en) * | 1952-10-08 | 1955-09-27 | Farrel Birmingham Co Inc | Paper calender |
| BE542710A (en) * | 1954-12-22 | |||
| DE1111813B (en) * | 1954-12-27 | 1961-07-27 | Pittsburgh Plate Glass Co | Device for pre-pressing curved laminated glass units |
| DE1111003B (en) * | 1959-03-18 | 1961-07-13 | Ramisch & Co G M B H Dr | Device for compacting cardboard webs soaked with impregnating agents or the like. |
| CH378600A (en) * | 1960-07-15 | 1964-06-15 | Benninger Ag Maschf | Low-bending roller |
| US3736869A (en) * | 1971-03-16 | 1973-06-05 | Motter J Printing Press Co | Pressure roller device for a rotogravure printing press |
| US3991669A (en) * | 1973-01-17 | 1976-11-16 | Imperial Chemical Industries Limited | Calender presses |
| US4484970A (en) * | 1982-11-01 | 1984-11-27 | Thatcher Plastic Packaging, Inc. | Method of applying decorative foil to materials |
| JPS60170801A (en) * | 1984-02-16 | 1985-09-04 | Dainippon Screen Mfg Co Ltd | Simple correcting device |
| JPS6283198U (en) * | 1985-11-13 | 1987-05-27 | ||
| JPS62216730A (en) * | 1986-03-18 | 1987-09-24 | Gunze Ltd | Method and apparatus for thermally contact-bonded lamination |
| JPS6364726A (en) * | 1986-09-05 | 1988-03-23 | M Niko:Kk | Apparatus for pressing laminator |
| JPS6370253A (en) * | 1986-09-11 | 1988-03-30 | Fuji Photo Film Co Ltd | Pressurization image forming device |
| JPS63306088A (en) * | 1987-06-06 | 1988-12-14 | Syst Interijiensu Prod:Kk | Method and apparatus for recording image corresponding to normal sheet |
| JPH0263835A (en) * | 1988-08-31 | 1990-03-05 | Hitachi Chem Co Ltd | Guide roller equipment for preventing meandering of belt |
| DE4018295C2 (en) * | 1990-06-07 | 1998-12-03 | Du Pont Deutschland | Device for checking the color separations of a multicolor print |
-
1990
- 1990-07-27 DE DE4023944A patent/DE4023944A1/en not_active Withdrawn
-
1991
- 1991-07-08 EP EP91111333A patent/EP0468266B1/en not_active Expired - Lifetime
- 1991-07-08 DE DE59107272T patent/DE59107272D1/en not_active Expired - Fee Related
- 1991-07-23 KR KR1019910012614A patent/KR960003328B1/en active IP Right Grant
- 1991-07-25 JP JP3186421A patent/JP2708292B2/en not_active Expired - Fee Related
- 1991-07-25 CA CA002047851A patent/CA2047851A1/en not_active Abandoned
- 1991-07-26 US US07/735,529 patent/US5282415A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5282415A (en) | 1994-02-01 |
| JP2708292B2 (en) | 1998-02-04 |
| EP0468266A3 (en) | 1992-06-17 |
| KR920002334A (en) | 1992-02-28 |
| DE4023944A1 (en) | 1992-01-30 |
| CA2047851A1 (en) | 1992-01-28 |
| EP0468266A2 (en) | 1992-01-29 |
| KR960003328B1 (en) | 1996-03-08 |
| JPH05169620A (en) | 1993-07-09 |
| DE59107272D1 (en) | 1996-02-29 |
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