EP0225240B1 - Printed matter trajectory selection device for a printer - Google Patents

Printed matter trajectory selection device for a printer Download PDF

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Publication number
EP0225240B1
EP0225240B1 EP86402486A EP86402486A EP0225240B1 EP 0225240 B1 EP0225240 B1 EP 0225240B1 EP 86402486 A EP86402486 A EP 86402486A EP 86402486 A EP86402486 A EP 86402486A EP 0225240 B1 EP0225240 B1 EP 0225240B1
Authority
EP
European Patent Office
Prior art keywords
document
guide part
document output
extraction device
sheet
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
EP86402486A
Other languages
German (de)
French (fr)
Other versions
EP0225240A1 (en
Inventor
Michel Bergougnoux
Benoit Bizet
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.)
Sagem SA
Original Assignee
Sagem 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 Sagem SA filed Critical Sagem SA
Priority to AT86402486T priority Critical patent/ATE55328T1/en
Publication of EP0225240A1 publication Critical patent/EP0225240A1/en
Application granted granted Critical
Publication of EP0225240B1 publication Critical patent/EP0225240B1/en
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
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/009—Diverting sheets at a section where at least two sheet conveying paths converge, e.g. by a movable switching guide that blocks access to one conveying path and guides the sheet to another path, e.g. when a sheet conveying direction is reversed after printing on the front of the sheet has been finished and the sheet is guided to a sheet turning path for printing on the back
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/106—Sheet holders, retainers, movable guides, or stationary guides for the sheet output section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/63—Oscillating, pivoting around an axis parallel to face of material, e.g. diverting means
    • B65H2404/632—Wedge member

Definitions

  • the present invention relates to improvements made to printing machines supplying sheet-by-sheet documents, equipped with a device for extracting printed documents and, downstream thereof, a switching device capable of directing printed documents , printing facing upwards, in a first receiving tank or, printing facing downwards, in a second receiving tank, the switching device comprising a guide piece of substantially triangular cross section with tip facing towards the device extraction and able to pivot about an axis parallel to the document outlet between two functional positions such that the tip of the cross section of the guide piece is located on one side or the other of the outlet of the documents.
  • the known device comprises many articulated parts, which require multiple commands.
  • the assembly is subject to wear and unsatisfactory operation, and requires frequent and costly maintenance.
  • the sheets are guided by deflecting pieces, in the shape of a curvilinear triangle, in the form of individual plates; the active surfaces of these parts (that is to say the deflecting surfaces interacting with the sheets leaving the printer to direct them towards the appropriate tray) consist solely of the edges of the plates in question and this results uncertain guidance over the entire width of the sheet; more this type of guidance can be adapted (adjustment of the plate spacing) for a determined width of sheets, but does not accept without modifying the setting of sheets of various widths.
  • the invention therefore essentially aims to remedy the drawbacks presented by the current arrangement of these machines, and to ensure that they offer the possibility of receiving printed documents either at the place or at the upside down and either at the front or at the rear of the machine.
  • a printing machine is characterized in that the guide piece is arranged in the form of a dihedral extending over the entire length of the document outlet, in that the two active faces of the dihedral for guiding documents are concave, and in that at its two longitudinal ends the guide piece is respectively provided with two suspension arms rotatably mounted on the frame of the extraction device.
  • the first tray is located behind the document outlet and the second tray is located in front of the document outlet and in front of the user.
  • the trays for receiving the printed documents are substantially horizontal.
  • FIGS. 1 and 2 are two very schematic views of a part of a printing machine arranged in accordance with the invention, and shown respectively in two different functional positions.
  • the reference numeral 1 designates the covering of a printing machine of which only is shown, very schematically, the printing device 2.
  • the circulation of the printing medium is shown diagrammatically by the arrow 3; this printing medium is, after printing, delivered sheet by sheet by an outlet 4 equipped with an extraction device 5 which, in principle, is constituted in the form of a rolling mill equipped with two counter-rotating rollers 6 and in mutual engagement , one of which is driven by motor means (not shown).
  • the machine is assumed to have an upward outlet, with a paper exit path which is substantially vertical and upward.
  • a switching device 7 which comprises a guide piece 8 extending over the entire length of the outlet and which has a guide face 9, facing the rollers, dihedral in shape, the apex 10 of which is pointed towards the rollers.
  • these surfaces are concave.
  • the guide piece 8 is provided, at its ends, with suspension arms 11 turned downwards (in the figure) and articulated in rotation at 12 on the frame of the device, so that, under the action of control means (not shown) manual or remote actuated, the guide piece can pass, by pivoting, from a first position to a second position (the trajectory of the moving element being limited by suitable stops not shown).
  • the apex 10 of the dihedral is situated relatively to the left of the contact line of the rollers 6, and the sheet of paper, striking the conca surface ve 9b, is deflected to the right (arrow 3b) - so towards the front of the machine - with the printed side facing down.
  • the printed sheets 13 are collected in a front tray 14, located just in front of the operator, and they are stacked there in the order of pagination.
  • the apex 10 of the dihedral is situated relatively to the right of the line of contact of the rollers 6, and the sheet of paper, coming to strike the concave surface 9b, is deflected to the left (arrow 3b) - so towards the rear of the machine - with its printed side facing up.
  • the printed sheets 15 are received in a rear tray 16 and they are stacked there in the reverse order of pagination.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Pile Receivers (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Handling Of Cut Paper (AREA)

Abstract

1. Printing machine supplying documents sheet by sheet and provided with an extraction device (5) for extracting the printed documents and, downstream of the latter, with a routing device (7) adapted to direct the printed document, print turned upwards (15), into a first receiving tray (16) or, print turned downwards (13), into a second receiving tray (14), the routing device (7) comprising a guide part (8) with a substantially triangular cross-section of which the appex is pointed towards the extraction device and able to rotate around an axis (12) parallel to the document output (4) between two operational positions such that the appex (10) of the cross-section of the guide part (8) is located, on one side or the other with respect to the document output (4), characterized in that the guide part (8) is adapted as a dihedral extending over the whole length of the document output (4), that both operational faces (9_a, 9_b) of the document guiding dihedral are concave, and that at its both longitudinal ends the guide part (8) is provided respectively with two suspension arms (11) rotatively mounted (at 12), upstream of the extraction rolls (6), on the frame of the extraction device.

Description

La présente invention concerne des perfectionnements apportés aux machines imprimantes fournissant des documents feuille à feuille, équipées d'un dispositif d'extraction des documents imprimés et, en aval de celui-ci, d'un dispositif d'aiguillage apte à diriger les documents imprimés, impression tournée vers le haut, dans un premier bac de réception ou bien, impression tournée vers le bas, dans un second bac de réception, le dispositif d'aiguillage comportant une pièce de guidage à section transversale sensiblement triangulaire à pointe tournée vers le dispositif d'extraction et apte à pivoter autour d'un axe parallèle à la sortie des documents entre deux positions fonctionnelles telles que la pointe de la section transversale de la pièce de guidage soit située d'un côté ou de l'autre de la sortie des documents.The present invention relates to improvements made to printing machines supplying sheet-by-sheet documents, equipped with a device for extracting printed documents and, downstream thereof, a switching device capable of directing printed documents , printing facing upwards, in a first receiving tank or, printing facing downwards, in a second receiving tank, the switching device comprising a guide piece of substantially triangular cross section with tip facing towards the device extraction and able to pivot about an axis parallel to the document outlet between two functional positions such that the tip of the cross section of the guide piece is located on one side or the other of the outlet of the documents.

Un tel agencement est décrit succintement et représenté dans le document JP-A-58/157 672. Toutefois le dispositif connu présente divers inconvénients.Such an arrangement is described briefly and shown in document JP-A-58/157 672. However, the known device has various drawbacks.

Tout d'abord, conçu pour effectuer un tri relativement complexe, le dispositif connu comporte de nombreuses pièces articulées, qui nécessitent des commandes multiples. L'ensemble est sujet à usures et à un fonctionnement peu satisfaisant, et nécessite un entretien fréquent et coûteux.First of all, designed to perform a relatively complex sorting, the known device comprises many articulated parts, which require multiple commands. The assembly is subject to wear and unsatisfactory operation, and requires frequent and costly maintenance.

En outre, le guidage des feuilles est assuré par des pièces déflectrices, en forme de triangle curviligne, se présentant sous forme de plaques individuelles; les surfaces actives de ces pièces (c'est-à-dire les surfaces déflectrices coagissant avec les feuilles sortant de l'imprimante pour diriger celles-ci vers le bac approprié) sont constituées uniquement par les chants des plaques en question et il en résulte un guidage incertain sur l'ensemble de la largeur de la feuille; de plus ce type de guidage peut être adapté (ajustement de l'espacement de plaques) pour une largeur déterminée de feuilles, mais n'accepte pas sans modification du réglage des feuilles de largeurs diverses.In addition, the sheets are guided by deflecting pieces, in the shape of a curvilinear triangle, in the form of individual plates; the active surfaces of these parts (that is to say the deflecting surfaces interacting with the sheets leaving the printer to direct them towards the appropriate tray) consist solely of the edges of the plates in question and this results uncertain guidance over the entire width of the sheet; more this type of guidance can be adapted (adjustment of the plate spacing) for a determined width of sheets, but does not accept without modifying the setting of sheets of various widths.

L'invention a donc essentiellement pour but de remédier aux inconvénients présentés par l'agencement actuel de ces machines, et de faire en sorte qu'elles offrent la possibilité d'une réception des documents imprimés soit à l'endroit, soit à l'envers et soit à l'avant, soit à l'arrière de la machine.The invention therefore essentially aims to remedy the drawbacks presented by the current arrangement of these machines, and to ensure that they offer the possibility of receiving printed documents either at the place or at the upside down and either at the front or at the rear of the machine.

A ces fins, une machine imprimante conforme à l'invention se caractérise en ce que la pièce de guidage est agencée sous forme d'un dièdre s'étendant sur toute la longueur de la sortie des documents, en ce que les deux faces actives du dièdre servant au guidage des documents sont concaves, et en ce qu'à ses deux extrémités longitudinales la pièce de guidage est munie respectivement de deux bras de suspension montés à rotation sur le bâti du dispositif d'extraction.For these purposes, a printing machine according to the invention is characterized in that the guide piece is arranged in the form of a dihedral extending over the entire length of the document outlet, in that the two active faces of the dihedral for guiding documents are concave, and in that at its two longitudinal ends the guide piece is respectively provided with two suspension arms rotatably mounted on the frame of the extraction device.

De préférence, par rapport à un utilisateur situé devant la machine, le premier bac est situé en arrière de la sortie des documents et le second bac est situé en avant de la sortie des documents et devant l'utilisateur.Preferably, with respect to a user located in front of the machine, the first tray is located behind the document outlet and the second tray is located in front of the document outlet and in front of the user.

De façon souhaitable, les bacs de réception des documents imprimés sont sensiblement horizontaux.Desirably, the trays for receiving the printed documents are substantially horizontal.

Grâce à cet agencement, on obtient une machine offrant deux possibilités de réception des documents, ceci grâce à la mise en oeuvre de moyens simples à réaliser et à utiliser. Il en résulte une plus grande souplesse d'utilisation de la machine ainsi qu'une simplification du travail de l'opérateur qui peut recevoir, dans un endroit facilement accessible, les documents imprimés empilés dans l'ordre de la pagination et prêts à l'agrafage, tout en conservant la possibilité d'une réception des documents avec leur face imprimée tournée vers le haut, en vue d'un contrôle permanent par exemple.Thanks to this arrangement, a machine is obtained offering two possibilities for receiving documents, this thanks to the implementation of means that are simple to produce and to use. This results in greater flexibility of use of the machine as well as a simplification of the work of the operator who can receive, in an easily accessible place, the printed documents stacked in the order of pagination and ready for stapling, while retaining the possibility of receiving documents with their printed side facing up, for permanent control for example.

L'invention sera mieux comprise à la lecture de la description détaillée qui suit d'un mode de réalisation préféré donné uniquement à titre d'exemple non limitatif. Dans cette description, on se réfère au dessin annexé sur lequel les figures 1 et 2 sont deux vues très schématiques d'une partie de machine imprimante agencée conformément à l'invention, et montrée respectivement dans deux positions fonctionnelles différentes.The invention will be better understood on reading the following detailed description of a preferred embodiment given solely by way of nonlimiting example. In this description, reference is made to the appended drawing in which FIGS. 1 and 2 are two very schematic views of a part of a printing machine arranged in accordance with the invention, and shown respectively in two different functional positions.

Sur les figures, la référence numérique 1 désigne le capotage d'une machine imprimante dont seul est montré, très schématiquement, le dispositif d'impression 2. La circulation du support d'impression (feuille de papier) est schématisée par la flèche 3; ce support d'impression est, après impression, délivré feuille par feuille par une sortie 4 équipée d'un dispositif d'extraction 5 qui, en principe, est constitué sous forme d'un laminoir équipé de deux rouleaux 6 contrarotatifs et en prise mutuelle, dont l'un est entraîné par des moyens moteurs (non représentés). Dans l'exemple représenté sur le dessin, la machine est supposée posséder une sortie vers le haut, avec une trajectoire de sortie du papier qui est sensiblement verticale et ascendante.In the figures, the reference numeral 1 designates the covering of a printing machine of which only is shown, very schematically, the printing device 2. The circulation of the printing medium (sheet of paper) is shown diagrammatically by the arrow 3; this printing medium is, after printing, delivered sheet by sheet by an outlet 4 equipped with an extraction device 5 which, in principle, is constituted in the form of a rolling mill equipped with two counter-rotating rollers 6 and in mutual engagement , one of which is driven by motor means (not shown). In the example shown in the drawing, the machine is assumed to have an upward outlet, with a paper exit path which is substantially vertical and upward.

Sur les figures, on a supposé que l'avant de la machine était situé sur la droite (repère AV) tandis que l'arrière était situé à gauche (repère AR).In the figures, it has been assumed that the front of the machine is located on the right (AV mark) while the rear is located on the left (AR mark).

Conformément à l'invention, en regard de la zone de contact des rouleaux 6 est situé un dispositif d'aiguillage 7 qui comporte une pièce de guidage 8 s'étendant sur toute la longueur de la sortie et qui possède une face de guidage 9, tournée vers les rouleaux, en forme de dièdre dont le sommet 10 est pointé en direction des rouleaux. Pour faciliter le glissement des feuilles de papier sur l'une ou l'autre surface du dièdre, ces surfaces, respectivement 91 et 912, sont concaves.In accordance with the invention, facing the contact zone of the rollers 6 is located a switching device 7 which comprises a guide piece 8 extending over the entire length of the outlet and which has a guide face 9, facing the rollers, dihedral in shape, the apex 10 of which is pointed towards the rollers. To facilitate the sliding of the sheets of paper on one or the other surface of the dihedral, these surfaces, respectively 9 1 and 912, are concave.

La pièce de guidage 8 est munie, à ses extrémités, de bras de suspension 11 tournés vers le bas (sur la figure) et articulés en rotation en 12 sur le bâti du dispositif, de manière que, sous l'action de moyens de commande (non représentés) manuels ou à actionnement à distance, la pièce de guidage puisse passer, par pivotement, d'une première position à une seconde position (la trajectoire de l'équipage mobile étant limitée par des butées appropriées non représentées).The guide piece 8 is provided, at its ends, with suspension arms 11 turned downwards (in the figure) and articulated in rotation at 12 on the frame of the device, so that, under the action of control means (not shown) manual or remote actuated, the guide piece can pass, by pivoting, from a first position to a second position (the trajectory of the moving element being limited by suitable stops not shown).

Dans la première position représentées à la fig. 1, le sommet 10 du dièdre est situé relativement à gauche de la ligne de contact des rouleaux 6, et la feuille de papier, venant frapper la surface concave 9b, est déviée vers la droite (flèche 3b) -donc vers l'avant de la machine- avec la face imprimée tournée vers le bas. Les feuilles imprimées 13 sont récupérées dans un bac avant 14, situé juste devant l'opérateur, et elles s'y empilent dans l'ordre de la pagination.In the first position shown in fig. 1, the apex 10 of the dihedral is situated relatively to the left of the contact line of the rollers 6, and the sheet of paper, striking the conca surface ve 9b, is deflected to the right (arrow 3b) - so towards the front of the machine - with the printed side facing down. The printed sheets 13 are collected in a front tray 14, located just in front of the operator, and they are stacked there in the order of pagination.

Dans la seconde position représentée à la fig. 2, le sommet 10 du dièdre est situé relativement à droite de la ligne de contact des rouleaux 6, et la feuille de papier, venant frapper la surface concave 9b, est déviée vers la gauche (flèche 3b) -donc vers l'arrière de la machine- avec sa face imprimée tournée vers le haut. Les feuilles imprimées 15 sont reçues dans un bac arrière 16 et elles s'y empilent dans l'ordre inverse de la pagination.In the second position shown in FIG. 2, the apex 10 of the dihedral is situated relatively to the right of the line of contact of the rollers 6, and the sheet of paper, coming to strike the concave surface 9b, is deflected to the left (arrow 3b) - so towards the rear of the machine - with its printed side facing up. The printed sheets 15 are received in a rear tray 16 and they are stacked there in the reverse order of pagination.

Comme il va de soi et comme il résulte d'ailleurs déjà de ce qui précède, l'invention ne se limite nullement à ceux de ses modes d'application et de réalisation qui ont été plus spécialement envisagés ; elle en embrasse, au contraire, toutes les variantes.As goes without saying and as it already follows from the foregoing, the invention is in no way limited to those of its modes of application and embodiments which have been more especially envisaged; on the contrary, it embraces all its variants.

Claims (3)

1. Printing machine supplying documents sheet by sheet and provided with an extraction device (5) for extracting the printed documents and, downstream of the latter, with a routing device (7) adapted to direct the printed document, print turned upwards (15), into a first receiving tray (16) or, print turned downwards (13), into a second receiving tray (14), the routing device (7) comprising a guide part (8) with a substantially triangular cross-section of which the appex is pointed towards the extraction device and able to rotate around an axis (12) parallel to the document output (4) between two operational positions such that the appex (10) of the cross-section of the guide part (8) is located, on one side or the other with respect to the document output (4), characterized in that the guide part (8) is adapted as a dihedral extending over the whole length of the document output (4), that both operational faces (9a, 9b) of the document guiding dihedral are concave, and that at its both longitudinal ends the guide part (8) is provided respectively with two suspension arms (11) rotatively mounted (at 12), upstream of the extraction rolls (6), on the frame of the extraction device.
2. Machine according to claim 1, characterized in that, with respect to a user located in front (AV) of the machine, the first tray (16) is situated behind (AR) the document output (4) and the second tray is situated in front (AV) of the document output (4) and before the user.
3. Machine according to claim 1 or 2, characterized in that the document receiving trays (16, 14) are substantially horizontal.
EP86402486A 1985-11-08 1986-11-07 Printed matter trajectory selection device for a printer Expired - Lifetime EP0225240B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86402486T ATE55328T1 (en) 1985-11-08 1986-11-07 ROUTING SELECTOR FOR PRINTED RECEIPTS IN A PRINTER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8516574A FR2589789B1 (en) 1985-11-08 1985-11-08 PRINTING MACHINE HAVING PATH SELECTION DEVICE FOR PRINTED DOCUMENTS
FR8516574 1985-11-08

Publications (2)

Publication Number Publication Date
EP0225240A1 EP0225240A1 (en) 1987-06-10
EP0225240B1 true EP0225240B1 (en) 1990-08-08

Family

ID=9324641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402486A Expired - Lifetime EP0225240B1 (en) 1985-11-08 1986-11-07 Printed matter trajectory selection device for a printer

Country Status (5)

Country Link
EP (1) EP0225240B1 (en)
AT (1) ATE55328T1 (en)
DE (1) DE3673352D1 (en)
DK (1) DK166667B1 (en)
FR (1) FR2589789B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002656A1 (en) * 1988-09-08 1990-03-22 Siemens Aktiengesellschaft Device for stacking single sheets in a printer
JPH03279155A (en) * 1990-03-24 1991-12-10 Canon Inc Paper discharging device
US5201518A (en) * 1990-03-24 1993-04-13 Canon Kabushiki Kaisha Sheet transport mechanism having flapper
US5810353A (en) * 1997-05-12 1998-09-22 Lexmark International, Inc. Modular output stackers for printers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967818A (en) * 1974-12-16 1976-07-06 Xerox Corporation Duplicating system
GB1461554A (en) * 1975-04-08 1977-01-13 Wicks Wilson Ltd Microfilm card duplication
NL8003240A (en) * 1980-06-04 1982-01-04 Oce Nederland Bv COPIER SUITABLE FOR MANUFACTURING DUPLEX COPIES OF SIMPLEX ORIGINALS.
JPS58157672A (en) * 1982-03-12 1983-09-19 Canon Inc Sorter
DE3228620A1 (en) * 1982-07-30 1984-02-02 Siemens AG, 1000 Berlin und 8000 München DEVICE FOR LINE PRINTING DEVICES FOR THE STORAGE OF SHEET-SHAPED RECORDING CARRIERS

Also Published As

Publication number Publication date
DK512386A (en) 1987-05-09
DK166667B1 (en) 1993-06-28
DE3673352D1 (en) 1990-09-13
FR2589789B1 (en) 1991-04-12
FR2589789A1 (en) 1987-05-15
EP0225240A1 (en) 1987-06-10
ATE55328T1 (en) 1990-08-15
DK512386D0 (en) 1986-10-27

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