EP0374092B1 - Encrier pour machine d'impression - Google Patents

Encrier pour machine d'impression Download PDF

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Publication number
EP0374092B1
EP0374092B1 EP89810904A EP89810904A EP0374092B1 EP 0374092 B1 EP0374092 B1 EP 0374092B1 EP 89810904 A EP89810904 A EP 89810904A EP 89810904 A EP89810904 A EP 89810904A EP 0374092 B1 EP0374092 B1 EP 0374092B1
Authority
EP
European Patent Office
Prior art keywords
intermediate plate
metal plates
inking unit
fact
ink duct
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
Application number
EP89810904A
Other languages
German (de)
English (en)
Other versions
EP0374092A1 (fr
Inventor
Raffaele Fina
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by De la Rue Giori SA filed Critical De la Rue Giori SA
Priority to AT89810904T priority Critical patent/ATE92843T1/de
Publication of EP0374092A1 publication Critical patent/EP0374092A1/fr
Application granted granted Critical
Publication of EP0374092B1 publication Critical patent/EP0374092B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/18—Inking arrangements or devices for inking selected parts of printing formes

Definitions

  • the invention relates to an inking unit for a printing press, having a duct roller and an ink fountain, which has a bottom and at least one partition, the bottom being formed at least in the region adjacent to the duct roller by a doctor blade, the front edge of which abuts the duct roller.
  • Ink boxes with dividing walls serve to hold different colors in the sections divided by a dividing wall and are always used when the duct roller and thus the printing plate to be inked are to be colored simultaneously with two or more different colors lying directly next to each other, such as the so-called Iris - Printing is common.
  • the partition of the ink fountain consists of three firmly riveted plates, of which the two outer plates, with their lower and their front edges facing the ductor roller, project beyond the intermediate central plate in such a way that between the mentioned edges of the two outer plates a circumferential groove is formed.
  • a flexible sealing strip for example made of felt, projecting beyond the edges of the two outer plates, which is in contact with the bottom of the ink fountain and, on its concave front edge, which is adapted to the circumference of the duct roller, with this duct roller.
  • the entire partition is suspended by means of fastening screws on a support rod which projects beyond the ink fountain and is fastened to the rear wall of the ink fountain.
  • adjusting screws are provided in the support bar, which are on the upper edge of the partition and allow it to be adjusted as long as its fastening screws are not tightened.
  • a displaceable rubber body which bears on the curved section of the sealing strip which contacts the ductor roller, and a wedge which interacts with this rubber body and is acted upon in the downward direction by a screw.
  • the arrangement is such that the wedge pushed down by the screw pushes the rubber body forward, whereby the mentioned section of the sealing strip is pressed against the ductor roller in order to enable a tight contact with it.
  • This known inking unit has a relatively complicated structure, and the adjustment of the partition as well as the maintenance and cleaning of the ink fountain are difficult and time-consuming.
  • the invention has for its object to provide an inking unit with an ink fountain having at least one partition, in which, with simple means, a perfect seal between the partition and duct roller on the one hand and floor on the other hand, which is easy to maintain and handle and whose partition is easy to adjust.
  • the invention offers the advantage that the seal between the partition and the bottom of the ink fountain, which is ensured by sealing strips on the lower edge of the outer metal plates of the partition, is completely independent of the seal existing between the partition and the duct roller, which is ensured by the intermediate plate made of plastic; this intermediate plate, which is displaceable relative to the metal plates, protrudes at the front between the metal plates which do not touch the duct roller and is automatically adjusted with respect to the duct roller by the pressing elements.
  • the intermediate plate is held between the two metal plates with a high degree of friction and is guided by means of a metallic rod which is fastened to the two metal plates and penetrates an elongated hole in the intermediate plate.
  • the pressing elements acting on the intermediate plate consist of at least two springs which act on two vertical sections of the rear edge of the intermediate plate lying at different heights.
  • the upper edge of the intermediate plate is advantageously provided with a notch, above which an axially displaceable locking rod is provided, which in its lower position engages in the notch in its position withdrawn from the duct roller and into the intermediate plate releases their raised position.
  • the two metal plates expediently have inclined front edges, over which the front part of the intermediate plate protrudes.
  • the tightness between the metal plates and the intermediate plate is preferably ensured by sealing strips which are inserted in grooves which are provided along the inclined front edges of the metal plates on the inside thereof.
  • FIG. 1 shows a coloring device with two inking units arranged one above the other, as are used in intaglio printing machines.
  • This inking device has an inking carriage A, which carries two stacked frames B, each with an ink fountain, which consists of a base 2 and two side walls 3 and cooperates with a duct roller 1.
  • the bottom 2 is formed by a doctor blade, the front edge of which touches the duct roller and which is mounted on a carrier 2a.
  • stencil rollers C assigned to them are shown, which ink the intaglio printing plates, not shown, on the plate cylinder D of an intaglio printing machine.
  • FIGS 2 to 5 show the partition according to the invention, which is attached to the bottom 2 of the ink fountain so that it can be used with two different colors.
  • This partition consists of two metal plates 4, 5 which do not touch the duct roller 1, which have approximately the same shape and are attached to one another at a distance from each other, and an intermediate plate 6 made of plastic arranged between these metal plates 4, 5 with a high degree of friction, which projects above the metal plates 4, 5 and can be displaced and tilted to a limited extent relative to these, as will be explained below.
  • the two metal plates 4, 5 have an inclined front edge 4a, 5a, which ends in a slightly curved end and the lower edge 4b, 5b of the metal plates 4, 5 cuts at an acute angle.
  • the intermediate plate 6 shown separately in FIGS. 6 and 7 has a front edge 6a in the form of a circular arc, the radius of curvature of which corresponds to that of the circumference of the duct roller 1, against which it lies precisely.
  • This front edge 6a ends at the top in two bevelled facets 6f (FIG. 3).
  • the rear edge of the intermediate plate 6 is stepped to form two vertical sections 6b, 6c.
  • the intermediate plate 6 has an elongated hole 6e (FIG. 6) in its front area, which is used for guiding it, a hole 6g in the rear area for fastening a positioning rod 18 and a notch 6d in the horizontal wall connecting the two vertical sections 6b and 6c.
  • a first fastening part 7 in the form of an angle piece is used in the upper region, which is provided with a rib 7a forming a spacer, which engages between the two metal plates 4, 5, the connection being made by means of three fastening screws 15 takes place, which penetrate the rib 7a and the metal plates 4, 5.
  • a second fastening part 8 is used for fastening, which is also provided with a rib 8a forming a spacer, which has the same thickness as the first fastening part 7 and also engages between the two metal walls 4, 5; the connection is made with two fastening screws 16 which penetrate the rib 8a and the metal plates 4, 5.
  • the metal plate 4 has a thickening 4c at this point, and the fastening part 8 is also fastened to the metal plate 4 by means of a screw 27a which passes through a hole 27 in this fastening part 8 and in the thickening 4c protrudes where it is screwed ( Figure 5).
  • the metal plates 4, 5 are connected to one another in such a way that the intermediate plate 6 can be displaced with a firm friction between these metal plates 4 and 5.
  • the intermediate plate 6 is guided between the metal plates 4 and 5 by means of a metallic rod 17 fastened between them, which passes through the elongated hole 6e in this intermediate plate 6.
  • pressing elements are provided which act on the rear edge of the intermediate plate 6 at two different heights in order to move it into the working position 6 'shown in broken lines in FIG. to bring a.
  • These pressing elements consist of a first telescopic rod 9 provided with a spring 10, which is supported with its head 9a on the vertical section 6b of the intermediate plate 6.
  • the telescopic rod 9 is held on the vertical leg of the fastening part 7 by a hollow screw 11 with a lock nut 11a.
  • This telescopic rod 9 can slide in the hollow screw 11 and is surrounded by the spring 10, which is supported at the front on the mentioned head 9a of the telescopic rod 9 and at the rear on a spring plate which is located at the end of the screw 11.
  • the position of this screw 11 compresses the spring 10 in order to generate the force required for securely pressing the front edge 6a against the duct roller 1 and thus to maintain a good seal.
  • the telescopic rod 9 engages in the hollow screw 11.
  • a second, provided with a spring 13 telescopic rod 12 is held on the second fastening part 8 by means of a hollow screw 14 with lock nut 14a and also presses the intermediate plate 6 forward into the working position, this telescopic rod 12 against the action of the spring 13 supports vertical section 6c of the intermediate plate 6.
  • a metallic stop in U-shape is preferably provided on the intermediate plate 6, namely a stop 28 fastened to the vertical section 6b or a stop fastened to the rear vertical section 6c 29.
  • Means are also provided for locking the intermediate plate 6 in its retracted position; these means consist of a locking rod 21 which is mounted axially displaceably in the horizontal section of the fastening part 7 and is provided with a head 21a; its end 21b engages the notch 6d of the intermediate plate 6 to lock it when it is in its retracted position.
  • the section of the locking rod 21 located between the head 21a and the fastening part 7 is surrounded by a return spring 22, which normally holds the locking bar 21 in its raised position 21 'shown in phantom in FIG. 2.
  • the tightness between the intermediate plate 6 and the metal plates 4 and 5 is also achieved in the upper region of the partition by sealing strips 23, 24 which are inserted in grooves which are provided on the inner surface of the metal plates 4 and 5 along their inclined front edges 4a and 5a are.
  • the partition is also provided with means for fastening to the bottom 2 of the ink fountain or to the carrier 2a, which are shown only partially in broken lines in FIG. 2.
  • These means consist of a screw 30 which passes through an elongated hole 8b (FIG. 5) which is provided in the section of the fastening part 8 which projects beyond the base of the partition wall; this screw 30 is screwed into the carrier 2a.
  • the large axis of the elongated hole 8b is parallel to the bottom 2.
  • the two pressing elements namely the springs 10 and 13 ensure that the pressure exerted on the intermediate plate 6 guarantees that this intermediate plate 6 is in perfect contact with the circumference of the duct roller 1 and that the tightness produced thereby is maintained even if the circumference of the Duct roller 1 is somewhat worn. Regardless of this measure, the tightness of the partition with the bottom 2 is achieved by the sealing strips 25, 26 of the metal plates 4 and 5. Therefore, if the intermediate plate 6 undergoes a small shift during operation as a result of a slight change in the circumference of the duct roller 1, this in no way influences the tightness of the partition wall with the floor.
  • the other sealing strips 23 and 24 prevent paint from penetrating between the metal plates 4 and 5 from top to bottom.
  • the upper region of the front edge 6a of the intermediate plate 6 with its two beveled facets 6f allows the ink which remained on the circumference of the duct roller 1 rotating in the direction of the arrow in FIG. 1 after its contact with the stencil roller C to be separated well is and reaches the two sides of the intermediate plate 6.
  • the invention is not limited to the exemplary embodiment described, but rather includes numerous design variants, in particular differently designed pressing and locking elements.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Ink Jet (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Sewing Machines And Sewing (AREA)
  • Coloring (AREA)
  • Paints Or Removers (AREA)
  • Duct Arrangements (AREA)
  • Screen Printers (AREA)
  • Coating Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Luminescent Compositions (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Claims (9)

  1. Encrage pour machine d'impression comprenant un cylindre de l'encrier (1) et un encrier comprenant un fond (2) et au moins une paroi de séparation, le fond étant formé au moins dans la partie adjacente du cylindre de l'encrier par une lame dont l'arête frontale touche le cylindre de l'encrier, caractérisé par le fait que la paroi de séparation est composée de deux plaques métalliques (4,5) positionnées à distance l'une de l'autre et fixées l'une à l'autre et au fond (2) de l'encrier, et d'une plaque intermédiaire (6) en matière plastique montée entre ces deux plaques métalliques (4, 5), d'une manière déplaçable et basculable, cette plaque intermédiaire (6) ayant une arête frontale (6a) correspondant à la périphérie du cylindre de l'encrier (1), qu'il est prévu des moyens de pression qui agissent sur cette plaque intermédiaire (6) et la poussent vers la périphérie du cylindre de l'encrier (1) pour créer un contact étanche avec celui-ci , et que des bourrelets d'étanchéité en matière plastique (25, 26) sont prévus sur le bord inférieur des plaques métalliques (4, 5) pour assurer l'étanchéité de la paroi de séparation contre le fond (2).
  2. Encrage selon la revendication 1, caractérisé par le fait que la plaque intermédiaire (6) est tenue à frottement dur entre les deux plaques métalliques (4, 5) et est guidée entre elles par une tige métallique (17) fixée auxdites plaques métalliques (4, 5) et qui traverse un trou oblong (6e) prévu dans ladite plaque intermédiaire (6).
  3. Encrage selon la revendication 1 ou 2, caractérisé par le fait que lesdits moyens de pression agissant sur la plaque intermédiaire (6) sont formés par au moins deux ressorts (10, 13) qui s'appliquent sur deux sections verticales (6b, 6c) du bord postérieur de la plaque intermédiaire (6) situés à des hauteurs différentes.
  4. Encrage selon les revendications 1 à 3, caractérisé par le fait que les deux plaques métalliques (4, 5) sont connectées l'une à l'autre d'un côté par une première pièce de fixation supérieure (7) en forme d'équerre, munie d'une nervure (7a) servant d'entretoise entre les deux plaques métalliques (4, 5), et de l'autre côté par une deuxième pièce de fixation inférieure et postérieure (8) munie également d'une nervure (8a) servant d'entretoise entre les deux plaques métalliques (4, 5), ces deux pièces de fixation (7, 8) portant des tiges télescopiques (9, 12) soumises à l'action desdits ressorts (10, 13) qui pressent contre lesdites sections verticales (6b, 6c) du bord postérieur de la plaque intermédiaire (6), la pièce de fixation inférieure et postérieure (8) servant à la fois pour la fixation des plaques métalliques (4, 5) au fond (2) de l'encrier.
  5. Encrage selon l'une des revendications 1 à 4, caractérisé par le fait que l'extrémité supérieure de l'arête frontale (6a), en forme d'arc de cercle, de la plaque intermédiaire (6) a des facette biseautées (6f).
  6. Encrage selon l'une des revendications 1 à 5, caractérisé par le fait que sur le bord supérieur de la plaque intermédiaire (6) est formée une encoche (6d) et, au-dessus de celle-ci est prévue une tige de verrouillage (21), montée déplaçable axialement, guidée dans une pièce fixée auxdites plaques métalliques (4, 5), notamment dans la première pièce de fixation supérieure (7), et que cette tige de verrouillage (21), dans sa position basse, engage ladite encoche (6d) pour verrouiller ladite plaque intermédiaire (6) dans sa position de retrait du cylindre d'encrier (1) et, dans sa position haute (21'), la libère.
  7. Encrage selon le revendication 6, caractérisé par le fait que le bord arrière de ladite plaque intermédiaire (6) est formé de deux sections verticales étagées (6b, 6c), l'encoche (6d) étant formée dans le bord horizontal reliant lesdites deux sections verticales de la plaque intermédiaire (6).
  8. Encrage selon l'une des revendications 1 à 7, caractérisé par le fait que les plaques métalliques (4, 5) ont des bords antérieurs inclinés (4a, 5a), desquels dépasse la partie antérieure de la plaque intermédiaire (6).
  9. Encrage selon la revendication 8, caractérisé par le fait qu'à la partie supérieure de la paroi de séparation l'étanchéité entre la plaque intermédiaire (6) et les plaques métalliques (4, 5) est réalisée par des bourrelets d'étanchéité (23, 24) insérés dans des rainures formées sur la face interne de ces plaques métalliques le long de leur bords antérieurs inclinés.
EP89810904A 1988-12-15 1989-11-27 Encrier pour machine d'impression Expired - Lifetime EP0374092B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89810904T ATE92843T1 (de) 1988-12-15 1989-11-27 Farbwerk fuer druckmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4639/88 1988-12-15
CH463988 1988-12-15

Publications (2)

Publication Number Publication Date
EP0374092A1 EP0374092A1 (fr) 1990-06-20
EP0374092B1 true EP0374092B1 (fr) 1993-08-11

Family

ID=4279889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810904A Expired - Lifetime EP0374092B1 (fr) 1988-12-15 1989-11-27 Encrier pour machine d'impression

Country Status (17)

Country Link
US (1) US4991504A (fr)
EP (1) EP0374092B1 (fr)
JP (1) JP2612078B2 (fr)
KR (1) KR0150782B1 (fr)
CN (1) CN1019370B (fr)
AT (1) ATE92843T1 (fr)
AU (1) AU621696B2 (fr)
BR (1) BR8906462A (fr)
CA (1) CA2003530C (fr)
DD (1) DD285952A5 (fr)
DE (1) DE58905265D1 (fr)
DK (1) DK603389A (fr)
ES (1) ES2044213T3 (fr)
FI (1) FI94938C (fr)
NO (1) NO175709C (fr)
RU (1) RU2003475C1 (fr)
UA (1) UA18591A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008016938U1 (de) 2008-12-23 2009-03-05 Manroland Ag Farbkastentrennung
DE102007042378A1 (de) 2007-09-06 2009-03-12 Koenig & Bauer Aktiengesellschaft Farbkasten für Druckmaschinen

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182989A (en) * 1989-05-03 1993-02-02 Heidelberg Druckmaschinen Ag Sealing device
US5230286A (en) * 1991-10-11 1993-07-27 De La Rue Giori, S.A. Inking unit for a printing machine
US5243907A (en) * 1992-01-22 1993-09-14 The Langston Corporation Divider seal for split-fountain chambered doctor blade for a flexographic printing press
US5461979A (en) * 1992-10-19 1995-10-31 Bruni Ag Grafische Maschinen Multiple blade ink knife
DE4447123C1 (de) * 1994-12-29 1996-04-11 Koenig & Bauer Albert Ag Kammerrakel für eine Rotationsdruckmaschine
FR2734512B1 (fr) * 1995-05-22 1997-08-14 Heidelberg Harris Sa Encrier d'une machine rotative a imprimer
GB9615254D0 (en) * 1996-07-20 1996-09-04 Fowden James Rotary floating sealed fluid applicator with quick release applicator clamps
EP1022138B1 (fr) 1999-01-20 2003-05-02 Kba-Giori S.A. Paroi latérale d'encrier pour machine d'impression.
US6405649B1 (en) 1999-02-23 2002-06-18 De La Rue Giori S.A. Ink fountain blade for a printing machine
US6276270B1 (en) 1999-08-20 2001-08-21 Interflex, L.L.C. Ink distributton apparatus and method for anilox roll
JP2001105571A (ja) 1999-10-13 2001-04-17 Heidelberger Druckmas Ag インキストック収容装置
DE19949346A1 (de) * 1999-10-13 2001-04-19 Heidelberger Druckmasch Ag Einrichtung zur Abdichtung eines farbführenden Reservoirs an Druckmaschinen
JP4527247B2 (ja) * 2000-06-30 2010-08-18 株式会社小森コーポレーション 輪転印刷機のインキ壷装置
JP4528931B2 (ja) * 2000-11-02 2010-08-25 独立行政法人 国立印刷局 チャンバー型インキ供給装置
DE10119098B4 (de) * 2001-04-19 2010-01-07 Koenig & Bauer Aktiengesellschaft Farbkasten
JP4015377B2 (ja) * 2001-05-28 2007-11-28 リンテック株式会社 インキ装置およびその側板
DE20312668U1 (de) * 2003-08-16 2003-11-13 Roland Man Druckmasch Farbkastentrennung
JP4133760B2 (ja) * 2003-11-19 2008-08-13 株式会社小森コーポレーション 輪転印刷機のインキ壷装置
DE102009005291A1 (de) * 2008-02-08 2009-08-13 Heidelberger Druckmaschinen Ag Verfahren zum Einrichten eines Farbkastens einer Druckmaschine
CN103203989A (zh) * 2013-03-13 2013-07-17 上海印钞有限公司 带有氟树脂涂层的单张印刷机墨斗及隔色装置
JP6150338B2 (ja) * 2013-09-13 2017-06-21 株式会社小森コーポレーション 番号印刷機のインキ装置
CN105856835B (zh) * 2016-04-11 2018-05-08 周瑛 一种输墨斗紧固机构

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Publication number Priority date Publication date Assignee Title
US1165160A (en) * 1914-08-21 1915-12-21 Robert H Dunnet Fountain-dividing equipment for multicolor presswork.
US1893148A (en) * 1931-02-16 1933-01-03 Robert R Page Articulated fountain divider
US2301535A (en) * 1941-12-09 1942-11-10 Meredith Publishing Company Fountain divider
US2442700A (en) * 1944-10-18 1948-06-01 Cottrell C B & Sons Co Ink fountain for printing presses
US2525363A (en) * 1947-12-24 1950-10-10 Cottrell C B & Sons Co Ink fountain for rotary printing presses
GB924401A (en) * 1961-01-13 1963-04-24 Ernest Arthur Timson Improvements in or relating to ink supplying means for rotary printing machines
US3635161A (en) * 1969-11-04 1972-01-18 Dayco Corp Fountain divider
US3831517A (en) * 1972-12-22 1974-08-27 Dayco Corp Fountain divider
FR2221280A1 (fr) * 1973-03-16 1974-10-11 De La Rue Giori Sa
JPS5218734Y2 (fr) * 1973-05-02 1977-04-27
DE8034726U1 (de) * 1980-12-29 1981-05-27 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum trennen von bereichen des farbauftrags an farbkaesten fuer druckmaschinen
DE3320638C2 (de) * 1983-06-08 1986-10-16 Koenig & Bauer AG, 8700 Würzburg Farbabteileinrichtung an Farbkastenwalzen von Druckmaschinen
DE3539759C1 (de) * 1985-11-09 1987-04-02 Roland Man Druckmasch Farbteiler fuer ein Flexo-Farbwerk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007042378A1 (de) 2007-09-06 2009-03-12 Koenig & Bauer Aktiengesellschaft Farbkasten für Druckmaschinen
DE202008016938U1 (de) 2008-12-23 2009-03-05 Manroland Ag Farbkastentrennung

Also Published As

Publication number Publication date
DD285952A5 (de) 1991-01-10
CN1019370B (zh) 1992-12-09
KR0150782B1 (ko) 1998-12-01
EP0374092A1 (fr) 1990-06-20
DE58905265D1 (de) 1993-09-16
FI94938B (fi) 1995-08-15
JP2612078B2 (ja) 1997-05-21
ES2044213T3 (es) 1994-01-01
NO894985D0 (no) 1989-12-12
NO175709C (no) 1994-11-23
CN1043468A (zh) 1990-07-04
JPH02214660A (ja) 1990-08-27
FI94938C (fi) 1995-11-27
ATE92843T1 (de) 1993-08-15
CA2003530A1 (fr) 1990-06-15
NO175709B (no) 1994-08-15
UA18591A (uk) 1997-12-25
US4991504A (en) 1991-02-12
DK603389D0 (da) 1989-11-29
DK603389A (da) 1990-06-16
CA2003530C (fr) 1998-03-31
NO894985L (no) 1990-06-18
RU2003475C1 (ru) 1993-11-30
AU4672289A (en) 1990-06-21
BR8906462A (pt) 1990-08-28
KR900009281A (ko) 1990-07-04
AU621696B2 (en) 1992-03-19
FI895667A0 (fi) 1989-11-27

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