EP1022138B1 - Side wall for the inking device of a printing machine - Google Patents

Side wall for the inking device of a printing machine Download PDF

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Publication number
EP1022138B1
EP1022138B1 EP00810033A EP00810033A EP1022138B1 EP 1022138 B1 EP1022138 B1 EP 1022138B1 EP 00810033 A EP00810033 A EP 00810033A EP 00810033 A EP00810033 A EP 00810033A EP 1022138 B1 EP1022138 B1 EP 1022138B1
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EP
European Patent Office
Prior art keywords
side wall
ink fountain
plates
intermediate plate
inkwell
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Expired - Lifetime
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EP00810033A
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German (de)
French (fr)
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EP1022138A1 (en
Inventor
Raffaele Fina
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KBA Notasys SA
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KBA Giori SA
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Publication of EP1022138A1 publication Critical patent/EP1022138A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or 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 present invention relates to an inkwell side wall printing machine, comprising at least two plates fixed at a distance from each other and a plate intermediate having an arcuate front edge of circle mounted between said plates movably and tiltable, and pressure means acting on said intermediate plate.
  • the present invention also relates to an inkwell for printing machine with at least one side wall according to the present invention.
  • Patent EP 0 374 092 shows another ink system with dividing walls allowing a printing with different colors. These walls of separation include two metal plates and an intermediate plate having a front edge in contact with the periphery of the inkwell cylinder in making a sealed contact therewith.
  • the plaques metal have a bead in plastic material on their bottom edge to ensure the seal between the partition wall and the bottom of the ink.
  • the disadvantage of this system is that that the seal between the intermediate wall and the periphery of the inkwell cylinder is not perfect no more and that the lifetime of the system is thus limited to because of the abrasive properties of inks that wear out elements of the system, especially the plate intermediate.
  • the object of the present invention is to improve the known devices.
  • the present invention aims to offer an inkwell with watertight side walls is significantly improved, in a simple way and for low cost.
  • the present invention also aims to provide a system allowing retrofitting in machines that is, a system that can be mounted in inkwells already in service without major modification of these.
  • the side wall according to the invention makes it possible to improve the seal tightly and therefore significantly increase its lifespan.
  • the system is easy and inexpensive to produce and its installation in machines already in operation is possible.
  • Independent claim 9 defines an inkwell comprising at least one side wall according to the present invention.
  • Dependent claim 10 defines a mode of particular realization of the inkwell.
  • FIG. 1 an inking device with two inkwells superimposed, of the type used in intaglio machines, is represented.
  • This device mainly consists a movable inking carriage 1, comprising two frames 2 superimposed, each frame 2 being provided with an inkwell 3 formed a bottom 4 and two side walls 5 cooperating with the inkwell cylinder 6.
  • the bottom 4 is formed by a blade whose front edge is close to cylinder 6 of the inkwell.
  • Figure 1 of the rollers inkers 7 which ink, for example, plates printing (not shown) mounted on a cylinder plate holder 8.
  • FIG. 2 a side wall 5 seen from the inside of the inkwell 3 is shown in detail.
  • This side wall 5 comprises a slide 10 which is mounts on the bottom of the inkwell 3, for example by screwing by means of the screws 29.
  • the front end of the slide 10 which is inside the inkwell 3 is in contact with the inkwell cylinder 6.
  • the slide 10 comprises at this place a reinforcement 12, like a plate in hard material, for example metal or ceramic, which makes the joint between this corner and cylinder 6 perfectly waterproof.
  • the side wall 5 itself comprises a first plate 11 which slides without play in said slide 10, from the opposite end to the inkwell cylinder 6.
  • first plate 11 On this first plate, we then mount an intermediate plate 13 whose front edge 13a has the shape of an arc of a circle and is intended to come into contact with the circumference of the inkwell cylinder 6.
  • This intermediate plate is in general in plastic, for example in Nylatron, and it ensures the seal of the side wall 5 the along the circumference of the inkwell cylinder 6.
  • This intermediate plate 13 can move longitudinally, in the direction perpendicular to the axis of rotation of the inkwell cylinder 6 or in rotation around a axis parallel to the axis of rotation of the inkwell cylinder 6 and it is held in abutment against the inkwell cylinder 6 by means of the two springs 18 and 19, placed in corresponding cavities 20, 21 of the first plate 11.
  • the axis of rotation of the intermediate plate 13 is close or even confused with the axis of a screw 24, depending on the longitudinal position of the intermediate plate 13.
  • the two springs 18 and 19 are located opposite and other of this axis of rotation of the intermediate plate 13.
  • the two springs 18, 19 can be prestressed by screws 22, 23.
  • a plate protection 15 is placed on said rear edge 13b, and retained for example by means of screws 16 and 17.
  • a second plate 14 is fixed to the first plate 11 by means of the screws 24, 26 and is used both for close the device and protect the intermediate plate 13 of the ink, in particular during the drying thereof.
  • the intermediate plate still slides correctly even if the ink has thickened or dried, and the seal inkwell is maintained.
  • a screw 25 is used, the end of which can be knurled to facilitate its manual tightening and loosening.
  • a mode of execution of this system is shown in detail at Figure 3 and has two inclined planes which cooperate with the way to a corner.
  • a first inclined plane 30 is formed on the inner side of the first plate 11 and a second inclined plane is formed on a piece intermediate 31, which moves relative to the first plate 11 sliding on the first inclined plane 30 allowing lateral adjustment of the plate intermediate 13 towards the material plate lasts 12 and the removal of the game.
  • the system lock corner is provided by the screws 27 which pass through holes oblong 28 of the intermediate piece 31 and come screw into the first plate 11.
  • Corner system adjustment can be done manually, gradually adjusting the position of the intermediate plate 13 in the direction of the workpiece lasts 12, or you can use a cam system 32 mounted on an axis fixed to the first plate 11 and actuated by screw 33, cam 32 acting on the part intermediate 31 to move it longitudinally in a direction perpendicular to the axis of the inkwell cylinder 7 and thus, via the wedge system, move the intermediate plate 13 towards the hard material 12.
  • the intermediate plate 13 is pierced with a hole which is crossed by a socket 35 (see Figure 3).
  • This socket 35 is itself held in position by through screws 24 and 33 which pass through the plates 14 and 11 respectively.
  • lateral adjustment of the intermediate plate can be realized by other means equivalent to the corner system described.
  • the materials used in particular those of the wafer 12 and of the intermediate plate 13 which forms the seal can be varied.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Color Electrophotography (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Coating Apparatus (AREA)

Abstract

Sidewall (5) of ink fountain (3) comprises two plates (11, 14) placed on either sides of intermediate plate (13). Sidewall has slide (10) where plates are placed. Slide had reinforced zone (12) on its side and situated close to ink fountain cylinder (6).

Description

La présente invention concerne une paroi latérale d'encrier de machine d'impression, comportant au moins deux plaques fixées à distance l'une de l'autre et une plaque intermédiaire ayant une arête frontale en forme d'arc de cercle montée entre lesdites plaques de manière déplaçable et basculable, et des moyens de pression agissant sur ladite plaque intermédiaire.The present invention relates to an inkwell side wall printing machine, comprising at least two plates fixed at a distance from each other and a plate intermediate having an arcuate front edge of circle mounted between said plates movably and tiltable, and pressure means acting on said intermediate plate.

La présente invention concerne également un encrier pour machine d'impression comportant au moins une paroi latérale selon la présente invention.The present invention also relates to an inkwell for printing machine with at least one side wall according to the present invention.

De tels parois et encriers sont connus dans l'état de la technique. Par exemple, le brevet US 5,230,286 décrit un encrier pour machine d'impression dont les parois latérales sont en contact avec le cylindre de l'encrier pour former le joint radial de l'encrier. Dans cet état de la technique, le bord frontal des parois latérales, qui a la forme générale d'un arc de cercle, ne s'appuie effectivement contre le cylindre de l'encrier qu'aux extrémités de l'arc de cercle, tandis que la partie du bord frontal située entre ces extrémités ne touche pas le cylindre, la largeur de la fente ainsi formée n'étant toutefois pas suffisante pour laisser passer l'encre.Such walls and ink fountains are known in the state of the art. technical. For example, US Patent 5,230,286 describes a inkwell for printing machine with side walls are in contact with the inkwell cylinder to form the radial seal of the inkwell. In this state of technique, the front edge of the side walls, which has the general shape of an arc of a circle, does not rest actually against the inkwell cylinder that ends of the arc of a circle, while the part of the edge frontal located between these ends does not touch the cylinder, the width of the slot thus formed being however not sufficient to allow ink to pass.

Il s'est toutefois avéré à l'usage que ce type de joint n'était pas satisfaisant. En effet, les encres utilisées sont souvent abrasives et de ce fait, il suffit que l'étanchéité ne soit pas parfaite pour que l'encre qui s'échappe ne détruise rapidement le joint en usant le bord frontal des parois formant le joint. Dans le cas mentionné ci-dessus, notamment, le fait que le joint ne soit en contact avec le cylindre seulement à ses extrémités et non sur sa partie intermédiaire permet à de l'encre de s'échapper par la fente et ainsi une usure prématurée du joint se produit.However, it has been found in use that this type of seal was not satisfactory. In fact, the inks used are often abrasive and therefore it suffices that the seal is not perfect so that the ink which escapes does not quickly destroy the seal by wearing the edge front of the walls forming the joint. In the case mentioned above, in particular, the fact that the seal is not in contact with the cylinder only at its ends and not on its intermediate part allows ink to escape through the slot and thus premature wear of the seal occurs.

Le brevet EP 0 374 092 montre un autre système d'encrier comportant des parois de séparation permettant une impression avec des couleurs différentes. Ces parois de séparation comportent notamment deux plaques métalliques et une plaque intermédiaire ayant une arête frontale en contact avec la périphérie du cylindre de l'encrier en réalisant un contact étanche avec celui-ci. Les plaques métalliques comportent quant à elles un bourrelet en matière plastique sur leur bord inférieur pour assurer l'étanchéité entre la paroi de séparation et le fond de l'encrier. L'inconvénient de ce système réside dans le fait que l'étanchéité entre la paroi intermédiaire et la périphérie du cylindre d'encrier n'est pas parfaite non plus et que la durée de vie du système est ainsi limitée à cause des propriétés abrasives des encres qui usent les éléments du système, en particulier la plaque intermédiaire.Patent EP 0 374 092 shows another ink system with dividing walls allowing a printing with different colors. These walls of separation include two metal plates and an intermediate plate having a front edge in contact with the periphery of the inkwell cylinder in making a sealed contact therewith. The plaques metal have a bead in plastic material on their bottom edge to ensure the seal between the partition wall and the bottom of the ink. The disadvantage of this system is that that the seal between the intermediate wall and the periphery of the inkwell cylinder is not perfect no more and that the lifetime of the system is thus limited to because of the abrasive properties of inks that wear out elements of the system, especially the plate intermediate.

Le but de la présente invention est d'améliorer les dispositifs connus.The object of the present invention is to improve the known devices.

Plus particulièrement, la présente invention a pour but de proposer un encrier dont l'étanchéité des parois latérales est nettement améliorée, et ce d'une manière simple et pour un coût peu élevé.More particularly, the present invention aims to offer an inkwell with watertight side walls is significantly improved, in a simple way and for low cost.

La présente invention a également pour but de proposer un système permettant un "retrofitting" dans les machines existantes, c'est-à-dire un système qui puisse être monté dans des encriers déjà en service sans modification majeure de ceux-ci. The present invention also aims to provide a system allowing retrofitting in machines that is, a system that can be mounted in inkwells already in service without major modification of these.

Ces buts sont atteints par les caractéristiques de la partie caractérisante de la revendication 1.These goals are achieved by the characteristics of the characterizing part of claim 1.

La paroi latérale selon l'invention permet d'améliorer nettement l'étanchéité du joint et par conséquent d'augmenter de manière notable sa durée de vie. Par sa simplicité, le système est facile et peu coûteux à produire et son montage dans des machines déjà en fonction est possible.The side wall according to the invention makes it possible to improve the seal tightly and therefore significantly increase its lifespan. By its simplicity, the system is easy and inexpensive to produce and its installation in machines already in operation is possible.

Les revendications dépendantes 2 à 8 définissent des réalisations particulières de la paroi latérale selon la présente invention.Dependent claims 2 to 8 define particular achievements of the side wall according to the present invention.

La revendication indépendante 9 définit un encrier comportant au moins une paroi latérale selon la présente invention.Independent claim 9 defines an inkwell comprising at least one side wall according to the present invention.

La revendication dépendante 10 définit un mode de réalisation particulier de l'encrier.Dependent claim 10 defines a mode of particular realization of the inkwell.

L'invention sera mieux comprise à l'aide de la description détaillée d'un mode d'exécution de celle-ci et des figures qui s'y rapportent.

  • La figure 1 montre de manière schématique un dispositif d'encrage comprenant deux encriers;
  • la figure 2 montre une vue en coupe partielle d'une paroi latérale d'un encrier, du côté intérieur de l'encrier et
  • la figure 3 montre une vue de dessus en coupe selon l'axe III-III de la paroi latérale de la figure 2.
    • The invention will be better understood using the detailed description of an embodiment thereof and the figures relating thereto.
  • Figure 1 shows schematically an inking device comprising two inkwells;
  • FIG. 2 shows a partial section view of a side wall of an inkwell, on the inside of the inkwell and
  • FIG. 3 shows a top view in section along the axis III-III of the side wall of FIG. 2.

    • A la figure 1, un dispositif d'encrage avec deux encriers superposés, du type utilisé dans les machines taille-douce, est représenté. Ce dispositif se compose principalement d'un chariot d'encrage mobile 1, comportant deux bâtis 2 superposés, chaque bâti 2 étant muni d'un encrier 3 formé d'un fond 4 et de deux parois latérales 5 coopérant avec le cylindre 6 de l'encrier. Le fond 4 est formé d'une lame dont l'arête frontale est proche du cylindre 6 de l'encrier. Afin d'illustrer une application de cet encrier 3, on a en outre représenté schématiquement à la figure 1 des rouleaux encreurs 7 qui encrent, par exemple, des plaques d'impression (non-représentées) montées sur un cylindre porte-plaques 8.In FIG. 1, an inking device with two inkwells superimposed, of the type used in intaglio machines, is represented. This device mainly consists a movable inking carriage 1, comprising two frames 2 superimposed, each frame 2 being provided with an inkwell 3 formed a bottom 4 and two side walls 5 cooperating with the inkwell cylinder 6. The bottom 4 is formed by a blade whose front edge is close to cylinder 6 of the inkwell. In order to illustrate an application of this inkwell 3, we have additionally shown schematically in Figure 1 of the rollers inkers 7 which ink, for example, plates printing (not shown) mounted on a cylinder plate holder 8.

    A la figure 2, une paroi latérale 5 vue depuis l'intérieur de l'encrier 3 est représentée de manière détaillée.In FIG. 2, a side wall 5 seen from the inside of the inkwell 3 is shown in detail.

    Cette paroi latérale 5 comprend une glissière 10 qui se monte sur le fond de l'encrier 3, par exemple par vissage au moyen des vis 29. L'extrémité avant de la glissière 10 qui se trouve à l'intérieur de l'encrier 3 est en contact avec le cylindre 6 d'encrier. La glissière 10 comporte à cet endroit un renforcement 12, comme une plaquette en matière dure, par exemple en métal ou en céramique, qui rend le joint entre ce coin et le cylindre 6 parfaitement étanche.This side wall 5 comprises a slide 10 which is mounts on the bottom of the inkwell 3, for example by screwing by means of the screws 29. The front end of the slide 10 which is inside the inkwell 3 is in contact with the inkwell cylinder 6. The slide 10 comprises at this place a reinforcement 12, like a plate in hard material, for example metal or ceramic, which makes the joint between this corner and cylinder 6 perfectly waterproof.

    En effet, comme l'arête frontale de la glissière est en contact avec la périphérie du cylindre 6 d'encrier, le bord vif de la glissière s'émousse en raison des propriétés abrasives de l'encre, de sorte que de l'encre peut couler à proximité du joint de la paroi latérale 5. Ainsi, pour améliorer l'étanchéité de ce joint, on fraise un logement sur l'extrémité intérieure de la glissière, logement dans lequel la plaquette en matière dure 12 est fixée et l'usure est nettement diminuée.Indeed, as the front edge of the slide is in contact with the periphery of the inkwell cylinder 6, the edge the slide is blunt due to the properties abrasive ink, so that ink can run off proximity of the side wall seal 5. Thus, for improve the seal of this joint, we cut a housing on the inner end of the slide, housing in which the hard material plate 12 is fixed and the wear is significantly reduced.

    La paroi latérale 5 elle-même comprend une première plaque 11 qui coulisse sans jeu dans ladite glissière 10, depuis l'extrémité opposée au cylindre d'encrier 6. Sur cette première plaque, on monte ensuite une plaque intermédiaire 13 dont le bord frontal 13a a une forme d'arc de cercle et est destinée à venir en contact avec la circonférence du cylindre d'encrier 6. Cette plaque intermédiaire est en général en matière plastique, par exemple en Nylatron, et elle assure le joint d'étanchéité de la paroi latérale 5 le long de la circonférence du cylindre d'encrier 6.The side wall 5 itself comprises a first plate 11 which slides without play in said slide 10, from the opposite end to the inkwell cylinder 6. On this first plate, we then mount an intermediate plate 13 whose front edge 13a has the shape of an arc of a circle and is intended to come into contact with the circumference of the inkwell cylinder 6. This intermediate plate is in general in plastic, for example in Nylatron, and it ensures the seal of the side wall 5 the along the circumference of the inkwell cylinder 6.

    Cette plaque intermédiaire 13 peut se déplacer longitudinalement, dans le sens perpendiculaire à l'axe de rotation du cylindre d'encrier 6 ou en rotation autour d'un axe parallèle à l'axe de rotation du cylindre d'encrier 6 et elle est maintenue en appui contre le cylindre d'encrier 6 au moyen des deux ressorts 18 et 19, placés dans des cavités 20, 21 correspondantes de la première plaque 11. L'axe de rotation de la plaque intermédiaire 13 est proche voire confondu avec l'axe d'une vis 24, en fonction de la position longitudinale de la plaque intermédiaire 13. En outre, les deux ressorts 18 et 19 sont situés de part et d'autre de cet axe de rotation de la plaque intermédiaire 13. De préférence, les deux ressorts 18, 19 peuvent être précontraints par des vis 22, 23. Afin de protéger la tranche arrière 13b de la plaque intermédiaire 13 sur laquelle les deux ressorts 18, 19 agissent, une plaquette de protection 15 est placée sur ladite tranche arrière 13b, et retenue par exemple au moyen des vis 16 et 17.This intermediate plate 13 can move longitudinally, in the direction perpendicular to the axis of rotation of the inkwell cylinder 6 or in rotation around a axis parallel to the axis of rotation of the inkwell cylinder 6 and it is held in abutment against the inkwell cylinder 6 by means of the two springs 18 and 19, placed in corresponding cavities 20, 21 of the first plate 11. The axis of rotation of the intermediate plate 13 is close or even confused with the axis of a screw 24, depending on the longitudinal position of the intermediate plate 13. In in addition, the two springs 18 and 19 are located opposite and other of this axis of rotation of the intermediate plate 13. Preferably, the two springs 18, 19 can be prestressed by screws 22, 23. In order to protect the rear edge 13b of the intermediate plate 13 on which the two springs 18, 19 act, a plate protection 15 is placed on said rear edge 13b, and retained for example by means of screws 16 and 17.

    Une deuxième plaque 14 est fixée à la première plaque 11 par l'intermédiaire des vis 24, 26 et sert à la fois à fermer le dispositif et à protéger la plaque intermédiaire 13 de l'encre, notamment lors du séchage de celle-ci. Ainsi, la plaque intermédiaire coulisse encore correctement même si l'encre s'est épaissie ou a séché, et l'étanchéité de l'encrier est maintenue.A second plate 14 is fixed to the first plate 11 by means of the screws 24, 26 and is used both for close the device and protect the intermediate plate 13 of the ink, in particular during the drying thereof. Thus, the intermediate plate still slides correctly even if the ink has thickened or dried, and the seal inkwell is maintained.

    Afin de bloquer la paroi latérale 5 dans la glissière 10, une vis 25 est utilisée, dont l'extrémité peut être moletée pour faciliter son serrage et desserrage manuel.In order to block the side wall 5 in the slide 10, a screw 25 is used, the end of which can be knurled to facilitate its manual tightening and loosening.

    Pour assurer un joint parfait, c'est-à-dire une absence de jeu, entre la plaquette en matière dure 12 et la plaque intermédiaire 13, il est nécessaire de prévoir un système particulier pour ajuster latéralement la position de la plaque intermédiaire 13 par rapport à la glissière 10. Un mode d'exécution de ce système est représenté en détail à la figure 3 et comporte deux plans inclinés qui coopèrent à la manière d'un coin. Un premier plan incliné 30 est formé sur le côté intérieur de la première plaque 11 et un deuxième plan incliné est formée sur une pièce intermédiaire 31, qui se déplace par rapport à la première plaque 11 en coulissant sur le premier plan incliné 30 permettant ainsi l'ajustement latéral de la plaque intermédiaire 13 en direction de la plaquette en matière dure 12 et la suppression du jeu. Le blocage du système de coin est assuré par les vis 27 qui traversent des trous oblongs 28 de la pièce intermédiaire 31 et viennent se visser dans la première plaque 11.To ensure a perfect joint, i.e. an absence of clearance, between the hard material plate 12 and the plate intermediate 13, it is necessary to provide a system particular for laterally adjusting the position of the intermediate plate 13 relative to the slide 10. A mode of execution of this system is shown in detail at Figure 3 and has two inclined planes which cooperate with the way to a corner. A first inclined plane 30 is formed on the inner side of the first plate 11 and a second inclined plane is formed on a piece intermediate 31, which moves relative to the first plate 11 sliding on the first inclined plane 30 allowing lateral adjustment of the plate intermediate 13 towards the material plate lasts 12 and the removal of the game. The system lock corner is provided by the screws 27 which pass through holes oblong 28 of the intermediate piece 31 and come screw into the first plate 11.

    Le réglage du système de coin peut s'effectuer manuellement, en ajustant petit-à-petit la position de la plaque intermédiaire 13 en direction de la pièce en matière dure 12, ou alors, l'on peut utiliser un système de came 32 montée sur un axe fixé à la première plaque 11 et actionnée par la vis 33, la came 32 agissant sur la pièce intermédiaire 31 pour la déplacer longitudinalement dans une direction perpendiculaire à l'axe du cylindre d'encrier 7 et ainsi, par l'intermédiaire du système de coin, déplacer la plaque intermédiaire 13 en direction de la pièce en matière dure 12.Corner system adjustment can be done manually, gradually adjusting the position of the intermediate plate 13 in the direction of the workpiece lasts 12, or you can use a cam system 32 mounted on an axis fixed to the first plate 11 and actuated by screw 33, cam 32 acting on the part intermediate 31 to move it longitudinally in a direction perpendicular to the axis of the inkwell cylinder 7 and thus, via the wedge system, move the intermediate plate 13 towards the hard material 12.

    Pour maintenir la plaque intermédiaire 13 entre les plaques 11 et 14, la plaque intermédiaire 13 est percée d'un trou qui est traversé par une douille 35 (voir figure 3). Cette douille 35 est elle-même maintenue en position par l'intermédiaire des vis 24 et 33 qui traversent les plaques 14 et 11 respectivement.To maintain the intermediate plate 13 between the plates 11 and 14, the intermediate plate 13 is pierced with a hole which is crossed by a socket 35 (see Figure 3). This socket 35 is itself held in position by through screws 24 and 33 which pass through the plates 14 and 11 respectively.

    Le mode d'exécution décrit l'est à titre d'exemple et la paroi latérale qui se trouve de l'autre côté de l'encrier 3 peut être construite la même manière que celle décrite ci-dessus mais inversée symétriquement pour que la pièce en matière dure 12 et la plaque 15 se retrouvent à l'intérieur de l'encrier 3.The embodiment described is by way of example and the side wall which is on the other side of the inkwell 3 can be built the same way as described above but symmetrically reversed so that the part in hard material 12 and plate 15 are found inside inkwell 3.

    En outre, l'invention n'est pas limitée au mode d'exécution décrit et des variations sont possibles dans le cadre de la protection revendiquée dans les revendications. Par exemple, l'ajustement latéral de la plaque intermédiaire peut être réalisé par d'autres moyens équivalents au système de coin décrit.Furthermore, the invention is not limited to the mode of execution described and variations are possible as part of the protection claimed in the claims. For example, lateral adjustment of the intermediate plate can be realized by other means equivalent to the corner system described.

    Les matières utilisées, notamment celles de la plaquette 12 et de la plaque intermédiaire 13 qui forme le joint peuvent être variées.The materials used, in particular those of the wafer 12 and of the intermediate plate 13 which forms the seal can be varied.

    Claims (10)

    1. A side wall (5) of an ink fountain (3) of a printing machine, comprising at least two spaced-apart plates (11, 14) and an intermediate plate (13) having a front edge (13a) in the shape of an arc of a circle the intermediate plate being mounted between said plates (11, 14) in such a way that it can be moved and tilted, said front edge (13a) being intended to come into contact with the circumference of an ink fountain roller (6) via press means (18, 19) acting on said intermediate plate (13), characterised in that it comprises a slideway (10) in which said plates (11, 14, 13) are mounted, said slideway (10) having a reinforced region (12) on one of its sides which is intended to be close to said ink fountain roller (6).
    2. The side wall as claimed in claim 1, characterised in that said reinforced region (12) is a region made of a hard material.
    3. A side wall as claimed in claim 2, characterised in that said plates (11, 14) are mounted in the slideway (10) without lateral play.
    4. A side wall as claimed in one of claims 1 to 3, characterised in that said intermediate plate (13) is mounted between said plates (11, 14) on an adjustable wedge system (30, 31) allowing it to be adjusted sideways toward said plates (11, 14).
    5. A side wall as claimed in claim one of claims 1 to 4, characterised in that said plates (11, 14) are locked in position in said slideway (10) by a fastening means (25).
    6. A side wall as claimed in claim one of claims 1 to 5, characterised in that said press means are springs (18, 19).
    7. A side wall as claimed in claim 6, characterised in that said springs (18, 19) may be preloaded.
    8. A side wall as claimed in claim 6, characterised in that the intermediate plate (13) can be pivoted about an axis parallel to the axis of the ink fountain roller (6), said springs (18, 19) being mounted one each side of said axis of pivoting.
    9. An ink fountain for a printing machine having an ink fountain roller (6), a blade-shaped bottom (4), the edge of which is close to the ink fountain roller (6), and two side walls (5) in contact with the bottom (4) of the ink fountain, characterised in that each side wall (5) is a side wall as defined in one of claims 1 to 8, in that the side walls (5) are mounted on the bottom (4) of the ink fountain (3) by means of the slideways (10).
    10. An ink fountain as claimed in claim 9, characterised in that the slideways (10) are fixed to the bottom (4) of the ink fountain (3) by means of screws (29).
    EP00810033A 1999-01-20 2000-01-14 Side wall for the inking device of a printing machine Expired - Lifetime EP1022138B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    CH10599 1999-01-20
    CH10599 1999-01-20

    Publications (2)

    Publication Number Publication Date
    EP1022138A1 EP1022138A1 (en) 2000-07-26
    EP1022138B1 true EP1022138B1 (en) 2003-05-02

    Family

    ID=4179393

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00810033A Expired - Lifetime EP1022138B1 (en) 1999-01-20 2000-01-14 Side wall for the inking device of a printing machine

    Country Status (11)

    Country Link
    US (1) US6484633B2 (en)
    EP (1) EP1022138B1 (en)
    JP (1) JP4965010B2 (en)
    KR (1) KR100593875B1 (en)
    CN (1) CN1172798C (en)
    AT (1) ATE238909T1 (en)
    AU (1) AU761960B2 (en)
    CA (1) CA2296177C (en)
    DE (1) DE60002369T2 (en)
    RU (1) RU2225293C2 (en)
    UA (1) UA62973C2 (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1588854A1 (en) * 2004-04-22 2005-10-26 Kba-Giori S.A. Ink supply device for printing machine
    JP2006321129A (en) * 2005-05-19 2006-11-30 Komori Corp Ink fountain device

    Family Cites Families (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US1893148A (en) * 1931-02-16 1933-01-03 Robert R Page Articulated fountain divider
    US2887049A (en) * 1955-12-29 1959-05-19 Harris Intertype Corp Ink fountain
    US4991504A (en) 1988-12-15 1991-02-12 De La Rue Giori S.A. Ink duct for a printing machine
    DE9001758U1 (en) * 1990-02-12 1990-05-03 Bundesrepublik Deutschland, vertreten durch den Bundesminister für Post- und Telekommunikation, dieser vertreten durch den Präsidenten der Bundesdruckerei, 1000 Berlin Ink fountain for a printing press
    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

    Also Published As

    Publication number Publication date
    US6484633B2 (en) 2002-11-26
    AU1245300A (en) 2000-07-27
    UA62973C2 (en) 2004-01-15
    CN1261581A (en) 2000-08-02
    CN1172798C (en) 2004-10-27
    RU2225293C2 (en) 2004-03-10
    CA2296177C (en) 2008-09-09
    DE60002369D1 (en) 2003-06-05
    AU761960B2 (en) 2003-06-12
    US20020011163A1 (en) 2002-01-31
    KR100593875B1 (en) 2006-07-03
    CA2296177A1 (en) 2000-07-20
    ATE238909T1 (en) 2003-05-15
    EP1022138A1 (en) 2000-07-26
    JP2000211113A (en) 2000-08-02
    DE60002369T2 (en) 2004-03-25
    KR20000053517A (en) 2000-08-25
    JP4965010B2 (en) 2012-07-04

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