EP1755895A1 - Ink supply device for printing machine - Google Patents

Ink supply device for printing machine

Info

Publication number
EP1755895A1
EP1755895A1 EP05718417A EP05718417A EP1755895A1 EP 1755895 A1 EP1755895 A1 EP 1755895A1 EP 05718417 A EP05718417 A EP 05718417A EP 05718417 A EP05718417 A EP 05718417A EP 1755895 A1 EP1755895 A1 EP 1755895A1
Authority
EP
European Patent Office
Prior art keywords
blade
inkwell
sectors
ink
cylinder
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.)
Granted
Application number
EP05718417A
Other languages
German (de)
French (fr)
Other versions
EP1755895B1 (en
Inventor
Daniel Baertschi
Gabriel Hermann
Giovanni Bentivoglio
Gaetano Bollettin
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
KBA 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 KBA Giori SA filed Critical KBA Giori SA
Priority to EP05718417A priority Critical patent/EP1755895B1/en
Publication of EP1755895A1 publication Critical patent/EP1755895A1/en
Application granted granted Critical
Publication of EP1755895B1 publication Critical patent/EP1755895B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices

Definitions

  • the present invention relates to an inkwell for a printing machine having a bottom with a blade holder in which said blade holder comprises several adjacent sectors which can be moved by means of adjustment to vary the distance between said sectors and the circumference of a cylinder. ductor.
  • patent DD 110 632 shows an inkwell, the bottom of which comprises a blade which is close to the circumference of the inkwell cylinder.
  • the blade is elastically deformed by screws which are applied against the blade, on the other side of it relative to the inkwell cylinder.
  • action is also taken in this case by means of a lever on the other side of the lamellae relative to the inkwell cylinder in order to bring them closer to the latter and thus modify the distance between the edge of each lamella and the circumference of the inkwell cylinder and, therefore, the thickness of the ink applied.
  • US patent 4,236,955 shows an inking system in which a blade is interposed between the sectors and the ink cylinder to perform the ink thickness adjustment function.
  • the sectors only press on the blade in question along a contact line or edge. On either side of this contact edge, the blade does not rest on any support.
  • stresses will necessarily be applied to the unsupported parts of the blade, on either side of the support edge formed by the sectors, which causes deformations of the blade and degrades the ink thickness adjustment function if the blade does not have sufficient thickness and rigidity.
  • the blade is not strictly speaking kept fixed relative to the blade holder and its sectors. Indeed, a clean mechanism is provided to ensure the positioning of the blade, regardless of the position of the sectors. This complicates the adjustment of the ink thickness because the positioning of the blade and the positioning of the sectors each affect the adjustment of the ink thickness.
  • the aim of the invention is to improve known systems
  • the object of the invention is to propose a blade and an inkwell which allow a better metering of the ink.
  • Another object of the invention is to provide a blade and an inkwell which produce quality inking.
  • Another object of the invention is to provide an inkwell, the elements of which can easily be disassembled and exchanged in the event of wear. To this end, the invention is defined by the features of the claims.
  • Figure 1 shows a perspective view from above of an inkwell according to a first embodiment of the invention.
  • Figure 2 shows a perspective side view of an inkwell according to a first embodiment of the invention.
  • Figure 3 shows a side perspective view of a second embodiment of the invention and partially assembled state.
  • Figure 4 shows a side perspective view of a second embodiment of the invention in assembled condition.
  • the inkwell comprises a blade holder 1 having contiguous sectors 2 which make it possible, by their position relative to the inking cylinder (not shown), to define the thickness d ink deposited on said cylinder.
  • the blade holder 1 is mounted on inkwell supports 3 themselves mounted on an axis (not shown) passing through the opening so as to allow tilting of the blade holder 1 of the inkwell.
  • the sectors 2 do not extend over the entire width of the blade holder 1 and are moved by deformation of the blade holder 1 in a manner which will be described later in the present application.
  • the inkwell includes also a reference stop 5 adjustable by screws 6, said stop being able to be formed in one piece with the blade holder 1, lateral closing walls 7 and a protective flap 8.
  • the closing walls are known in the art. State of the art, for example from publication EP 1 022 138, the content of which is incorporated by reference with regard to these inkwell side walls.
  • the blade holder 1 also has holes 9, the usefulness of which will be explained later in the present application.
  • the inkwell also comprises clamping systems 10 for holding the side walls 7.
  • the inkwell blade 11 makes it possible to adjust the thickness of ink deposited while maintaining a continuous edge, in contrast to the individual sectors 2. In fact, it has been observed that despite very precise tolerances between the sectors, ink passed between said sectors which causes imprecise drips and inking.
  • the use of a blade such as the blade 11 according to the invention makes it possible to maintain a continuous edge and, consequently, to improve the inking.
  • the ink thickness is adjusted manually by screws 13 (there is one per segment), the distal end of which rests directly below each segment 2.
  • the screws 13 allows, by deformation of the respective segment 2 with respect to to the blade holder 1, to modify the distance from the upper edge of said segment 2 with respect to the inking cylinder and, consequently, the edge of the ceramic blade 11.
  • a deformable plastic is deposited between the sectors to improve the seal between them.
  • the blade 11 includes tie rods which penetrate the holes 9 of the blade holder 1 (see FIG. 1) which allows it to be fixedly attached to the blade holder 1 by screwing, the screws being introduced from below the holder. blade 1. According to a variant, the blade 11 can be screwed to the blade holder over
  • the inkwell is of a different type from that of the first mode.
  • the thickness of the ink was adjusted manually by acting on screws 13 (see FIG. 2) and forcing the displacement of the sectors 2.
  • the inkwell is of the type known under the name "Colortronic MC" (sold by the company Koenig & Bauer AG) in which the sectors which define the thickness of the ink are actuated automatically in rotation on an axis.
  • Colortronic MC sold by the company Koenig & Bauer AG
  • FIG 3 there is shown a blade holder 20 with a reference stop 25.
  • the sectors 22 On the side of the blade holder 20 which is close to the inking cylinder (not shown) are the sectors 22 which allow to adjust the thickness of the inking.
  • this system works according to the machine known as "Colortronic MC" in which the sectors 22 are mounted on an axis 23 and are moved in rotation automatically to adjust the thickness of the ink on the inking cylinder.
  • this embodiment can also include a protective flap 8 as the first embodiment.
  • FIG. 4 there is shown the inkwell with the blade holder 20 mounted, in the configuration of use.
  • the blade 21 is fixed to the blade holder 25 by a fixing piece 26 which extends over the entire width of the inkwell, this piece 26 being attached to the blade holder 25 by screws 27 which pass through the blade 21 through holes 28 (FIG. 3) for screwing into threads of the blade holder 25.
  • the reference stop 25 is attached to the blade holder 20 for example by screws or by other suitable means.
  • the blade 11 or 21 according to the invention thus forms a wearing part which can be easily exchanged and which has a reduced cost.
  • the blade is made of steel of approximately 1 to 3 mm thick and comprises a ceramic deposit of a few microns thick which makes it possible to significantly increase its service life.
  • the inks used have abrasive properties which wear the edge of the blade so that the ceramic deposit strengthens this edge.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Coating Apparatus (AREA)

Abstract

The fountain has a fountain blade (11) fixed on a blade holder (1) which comprises sectors (2). The blade permits to adjust thickness of dropped off ink while maintaining a continuous ridge, contrary to the sectors. The blade is made of steel and is covered by a ceramic layer, where the steel has a thickness of approximately 1 to 3 millimeter, and the layer has a thickness in microns.

Description

Encrier pour machine d'impressionInkwell for printing machine
La présente invention concerne un encrier pour machine d'impression ayant un fond avec un porte-lame dans lequel ledit porte-lame comporte plusieurs secteurs adjacents et déplaçables par des moyens de réglage pour varier la distance entre lesdits secteurs et la circonférence d'un cylindre d'encrier.The present invention relates to an inkwell for a printing machine having a bottom with a blade holder in which said blade holder comprises several adjacent sectors which can be moved by means of adjustment to vary the distance between said sectors and the circumference of a cylinder. ductor.
Ces lames et encriers sont utilisés principalement dans les machines d'impression taille-douce, dans lesquelles la quantité d'encre qui est appliquée sur le cylindre d'encrier est importante pour encrer convenablement les tailles des plaques d'impression.These blades and inkwells are used mainly in intaglio printing machines, in which the quantity of ink which is applied to the inkwell cylinder is large in order to properly ink the sizes of the printing plates.
Des lames d'encriers et des encriers de ce type sont connus dans l'état de la technique. Par exemple, le brevet DD 110 632 montre un encrier dont le fond comporte une lame qui est proche de la circonférence du cylindre d'encrier. Afin de varier la distance entre l'arête de la lame et le cylindre, c'est-à-dire l'épaisseur d'encre appliquée sur le cylindre, la lame est déformée de manière élastique par des vis qui s'appliquent contre la lame, de l'autre côté de celle-ci par rapport au cylindre d'encrier.Inkwell blades and inkwells of this type are known in the state of the art. For example, patent DD 110 632 shows an inkwell, the bottom of which comprises a blade which is close to the circumference of the inkwell cylinder. In order to vary the distance between the edge of the blade and the cylinder, i.e. the thickness of ink applied to the cylinder, the blade is elastically deformed by screws which are applied against the blade, on the other side of it relative to the inkwell cylinder.
L'inconvénient majeur de ce système réside dans le fait que la déformation de la lame ne permet pas l'application d'une épaisseur constante d'encre. En effet, le profil de la lame déformée, de manière schématique, a une forme arrondie puisque les vis s'appliquent à un endroit ponctuel de la lame, de sorte que le dosage de l'encre est en fait imprécis . Un autre système est décrit dans la demande de brevet EP 0 600 435. Dans ce système, la lame de l'encrier est formée par plusieurs lamelles adjacentes qui peuvent être déformées élastiquement afin de modifier l'épaisseur de l'encre appliquée sur le cylindre de l'encrier. Pour obtenir cette déformation, on agit dans ce cas aussi par l'intermédiaire d'un levier de l'autre côté des lamelles par rapport au cylindre d'encrier pour les rapprocher de celui-ci et ainsi modifier la distance entre l'arête de chaque lamelle et la circonférence du cylindre de l'encrier et, par conséquent, l'épaisseur de l'encre appliquée.The major drawback of this system lies in the fact that the deformation of the blade does not allow the application of a constant thickness of ink. Indeed, the profile of the deformed blade, schematically, has a rounded shape since the screws are applied at a specific point on the blade, so that the metering of the ink is in fact imprecise. Another system is described in patent application EP 0 600 435. In this system, the inkwell blade is formed by several adjacent lamellae which can be elastically deformed in order to modify the thickness of the ink applied to the cylinder. inkwell. To obtain this deformation, action is also taken in this case by means of a lever on the other side of the lamellae relative to the inkwell cylinder in order to bring them closer to the latter and thus modify the distance between the edge of each lamella and the circumference of the inkwell cylinder and, therefore, the thickness of the ink applied.
Ce système présente plusieurs inconvénients, notamment le fait que la déformation des lamelles se produit en direction du cylindre de l'encrier. Ainsi, en cas d'erreur de manipulation, il y a un risque que la lame entre en contact avec le cylindre et l'endommage. La déformation des lames entraîne également une fatigue du matériau qui peut créer des problèmes d'usure prématurée.This system has several drawbacks, in particular the fact that the deformation of the lamellae occurs in the direction of the inkwell cylinder. Thus, in the event of handling error, there is a risk that the blade comes into contact with the cylinder and damages it. The deformation of the blades also causes fatigue of the material which can create problems of premature wear.
Un autre système est connu de la demande de brevet EP 1 031 419. La lame de fond d'encrier décrite à la particularité d'être formée par des secteurs déplaçables dans le plan de la lame parallèlement les uns par rapport aux autres et de façon indépendante .Another system is known from patent application EP 1 031 419. The inkwell base blade described with the particularity of being formed by sectors which can be displaced in the plane of the blade parallel to each other and so independent.
D'autres systèmes sont connus dans l'état de la technique, notamment des publications DE 82 08 651.6, DE 35 03 736, DE 29 51 653, EP 0 046 206, FR 419 472, EP 1 092 535, US 4,773,327 et US 3,456,585.Other systems are known in the state of the art, in particular publications DE 82 08 651.6, DE 35 03 736, DE 29 51 653, EP 0 046 206, FR 419 472, EP 1 092 535, US 4,773,327 and US 3456585.
Finalement, le brevet US 4,236,955 montre un système d'encrage dans lequel une lame est interposée entre les secteurs et le cylindre encreur pour remplir la fonction de réglage de l'épaisseur d'encre. Toutefois, les secteurs n'appuient sur la lame en question que selon une ligne ou arête de contact. De part et d'autre de cette arête de contact, la lame ne repose sur aucun support. Sous l'effet de l'encre maintenue entre la lame et le cylindre encreur, des contraintes seront nécessairement appliquées sur les parties non supportées de la lame, de part et d'autre de l'arête de support formée par les secteurs, ce qui engendre des déformations de la lame et dégrade la fonction de réglage de l'épaisseur d'encre si la lame ne présente pas une épaisseur et une rigidité suffisante. De plus, la lame n'est à proprement parler pas maintenue fixe par rapport au porte-lame et ses secteurs. En effet, un mécanisme propre est prévu pour assurer le positionnement de la lame, indépendamment de la position des secteurs. Ceci complique le réglage de l'épaisseur de l'encre car le positionnement de la lame et le positionnement des secteurs affectent chacun le réglage de l'épaisseur d'encre.Finally, US patent 4,236,955 shows an inking system in which a blade is interposed between the sectors and the ink cylinder to perform the ink thickness adjustment function. However, the sectors only press on the blade in question along a contact line or edge. On either side of this contact edge, the blade does not rest on any support. Under the effect of the ink maintained between the blade and the ink cylinder, stresses will necessarily be applied to the unsupported parts of the blade, on either side of the support edge formed by the sectors, which causes deformations of the blade and degrades the ink thickness adjustment function if the blade does not have sufficient thickness and rigidity. In addition, the blade is not strictly speaking kept fixed relative to the blade holder and its sectors. Indeed, a clean mechanism is provided to ensure the positioning of the blade, regardless of the position of the sectors. This complicates the adjustment of the ink thickness because the positioning of the blade and the positioning of the sectors each affect the adjustment of the ink thickness.
Le but de l'invention est d'améliorer les systèmes connus,The aim of the invention is to improve known systems,
Plus particulièrement, le but de l'invention est de proposer une lame et un encrier qui permettent un meilleur dosage de 1 ' encre .More particularly, the object of the invention is to propose a blade and an inkwell which allow a better metering of the ink.
Un autre but de 1 ' invention est de proposer une lame et un encrier qui produisent un encrage de qualité.Another object of the invention is to provide a blade and an inkwell which produce quality inking.
Un autre but de 1 ' invention est de fournir un encrier dont les éléments peuvent facilement être démontés et échangés en cas d'usure. A cet effet, l'invention est définie par les caractéristiques des revendications.Another object of the invention is to provide an inkwell, the elements of which can easily be disassembled and exchanged in the event of wear. To this end, the invention is defined by the features of the claims.
La présente invention sera mieux comprise par la description de deux modes d'exécution de celle-ci et de dessins illustrant ces modes à titre d'exemples non- limitatifs .The present invention will be better understood from the description of two embodiments thereof and from drawings illustrating these modes by way of nonlimiting examples.
La figure 1 montre une vue en perspective de dessus d'un encrier selon un premier mode d'exécution de l'invention.Figure 1 shows a perspective view from above of an inkwell according to a first embodiment of the invention.
La figure 2 montre une vue en perspective de côté d'un encrier selon un premier mode d'exécution de l'invention.Figure 2 shows a perspective side view of an inkwell according to a first embodiment of the invention.
La figure 3 montre une vue latérale en perspective d'un deuxième mode d'exécution de l'invention et état partiellement monté.Figure 3 shows a side perspective view of a second embodiment of the invention and partially assembled state.
La figure 4 montre une vue latérale en perspective d'un deuxième mode d'exécution de l'invention en état monté.Figure 4 shows a side perspective view of a second embodiment of the invention in assembled condition.
Dans le premier mode d'exécution représenté à la figure 1, l'encrier comporte un porte-lame 1 ayant des secteurs 2 contigus qui permettent, par leur position relativement au cylindre d'encrage (non-représenté) de définir l'épaisseur d'encre déposée sur ledit cylindre. Le porte-lame 1 est monté sur des supports d'encrier 3 eux-mêmes montés sur un axe (non représenté) traversant l'ouverture de façon à permettre un basculement du porte-lame 1 de l'encrier. Dans ce mode d'exécution, les secteurs 2 ne se prolongent pas sur toute la largeur du porte-lame 1 et sont déplacés par déformation du porte-lame 1 d'une manière qui sera décrite plus loin dans la présente demande. L'encrier comporte également une butée de référence 5 réglable par des vis 6, ladite butée pouvant être formée en une seule pièce avec le porte-lame 1, des parois latérales de fermeture 7 et une bavette de protection 8. Les parois de fermeture sont connues dans l'état de la technique, par exemple de la publication EP 1 022 138 dont le contenu est incorporé par référence pour ce qui concerne ces parois latérales d'encrier. Le porte-lame 1 comporte également des trous 9 dont l'utilité sera expliquée plus loin dans la présente demande.In the first embodiment represented in FIG. 1, the inkwell comprises a blade holder 1 having contiguous sectors 2 which make it possible, by their position relative to the inking cylinder (not shown), to define the thickness d ink deposited on said cylinder. The blade holder 1 is mounted on inkwell supports 3 themselves mounted on an axis (not shown) passing through the opening so as to allow tilting of the blade holder 1 of the inkwell. In this embodiment, the sectors 2 do not extend over the entire width of the blade holder 1 and are moved by deformation of the blade holder 1 in a manner which will be described later in the present application. The inkwell includes also a reference stop 5 adjustable by screws 6, said stop being able to be formed in one piece with the blade holder 1, lateral closing walls 7 and a protective flap 8. The closing walls are known in the art. State of the art, for example from publication EP 1 022 138, the content of which is incorporated by reference with regard to these inkwell side walls. The blade holder 1 also has holes 9, the usefulness of which will be explained later in the present application.
L'encrier comporte en outre des systèmes de serrage 10 pour le maintien des parois latérales 7.The inkwell also comprises clamping systems 10 for holding the side walls 7.
Dans la figure 2, les éléments identiques à la figure 1 sont identifiés au moyen des mêmes références numériques. Sur le porte-lame 1, on a fixé directement une lame d'encrier 11 et la butée de référence 5 est fermée par un cache 12, par exemple vissé par les vis 15.In Figure 2, the elements identical to Figure 1 are identified by the same reference numerals. On the blade holder 1, an inkwell blade 11 was fixed directly and the reference stop 5 is closed by a cover 12, for example screwed by the screws 15.
La lame d'encrier 11 permet de régler l'épaisseur d'encre déposée tout en maintenant une arête continue, au contraire des secteurs individuels 2. En effet, l'on s'est aperçu que malgré des tolérances très précises entre les secteurs, de l'encre passait entre lesdits secteurs ce qui occasionne des coulures et des encrages imprécis. L'utilisation d'une lame telle que la lame 11 selon l'invention permet de maintenir une arête continue et, par conséquent, d'améliorer l'encrage. Le réglage de l'épaisseur de l'encre s'effectue manuellement par des vis 13 (il y en a une par segment) dont l'extrémité distale s'appuie directement en dessous de chaque segment 2. Ainsi, le vissage des vis 13 permet, par déformation du segment 2 respectif par rapport au porte-lame 1, de modifier la distance du bord supérieur dudit segment 2 par rapport au cylindre d'encrage et, par conséquent l'arête de la lame céramique 11.The inkwell blade 11 makes it possible to adjust the thickness of ink deposited while maintaining a continuous edge, in contrast to the individual sectors 2. In fact, it has been observed that despite very precise tolerances between the sectors, ink passed between said sectors which causes imprecise drips and inking. The use of a blade such as the blade 11 according to the invention makes it possible to maintain a continuous edge and, consequently, to improve the inking. The ink thickness is adjusted manually by screws 13 (there is one per segment), the distal end of which rests directly below each segment 2. Thus, the screws 13 allows, by deformation of the respective segment 2 with respect to to the blade holder 1, to modify the distance from the upper edge of said segment 2 with respect to the inking cylinder and, consequently, the edge of the ceramic blade 11.
De préférence, pour améliorer le système, on dépose une matière plastique déformable entre les secteurs pour améliorer l'étanchéité entre ceux-ci.Preferably, to improve the system, a deformable plastic is deposited between the sectors to improve the seal between them.
La lame 11 comprend des tirants à taraudages qui pénètrent dans les trous 9 du porte-lame 1 (voir figure 1) ce qui permet son rattachement au porte-lame 1 de façon fixe par vissage, les vis étant introduites par en dessous du porte- lame 1. Selon une variante, la lame 11 peut être vissée au porte lame par-dessusThe blade 11 includes tie rods which penetrate the holes 9 of the blade holder 1 (see FIG. 1) which allows it to be fixedly attached to the blade holder 1 by screwing, the screws being introduced from below the holder. blade 1. According to a variant, the blade 11 can be screwed to the blade holder over
Dans le deuxième mode d'exécution des figures 3 et 4, l'encrier est d'un type différent de celui du premier mode. Dans le premier mode, le réglage de l'épaisseur de l'encre s'effectuait de façon manuelle en agissant sur des vis 13 (voir figure 2) et en forçant le déplacement des secteurs 2. Dans le deuxième mode d'exécution, l'encrier est du type connu sous le nom "Colortronic MC" (commercialisé par la société Koenig & Bauer AG) dans lequel les secteurs qui définissent l'épaisseur de l'encre sont actionnés de façon automatique en rotation sur un axe. Ainsi, il n'y a pas de déformation de secteurs par rapport au porte-lame dans ce mode .In the second embodiment of Figures 3 and 4, the inkwell is of a different type from that of the first mode. In the first mode, the thickness of the ink was adjusted manually by acting on screws 13 (see FIG. 2) and forcing the displacement of the sectors 2. In the second embodiment, the inkwell is of the type known under the name "Colortronic MC" (sold by the company Koenig & Bauer AG) in which the sectors which define the thickness of the ink are actuated automatically in rotation on an axis. Thus, there is no deformation of sectors relative to the blade holder in this mode.
Dans la figure 3, l'on a représenté un porte-lame 20 avec une butée de référence 25. Du côté du porte-lame 20 qui est proche du cylindre d'encrage (non représenté) se trouvent les secteurs 22 qui permettent de régler l'épaisseur de l'encrage. Comme indiqué ci-dessus, ce système fonctionne selon la machine connue sous le nom "Colortronic MC" dans laquelle les secteurs 22 sont montés sur un axe 23 et sont déplacés en rotation de façon automatique pour ajuster l'épaisseur de l'encre sur le cylindre d'encrage.In Figure 3, there is shown a blade holder 20 with a reference stop 25. On the side of the blade holder 20 which is close to the inking cylinder (not shown) are the sectors 22 which allow to adjust the thickness of the inking. As stated above, this system works according to the machine known as "Colortronic MC" in which the sectors 22 are mounted on an axis 23 and are moved in rotation automatically to adjust the thickness of the ink on the inking cylinder.
Par-dessus les secteurs 22, l'on a placé une lame 21 qui recouvre directement les secteurs 22 selon le principe de l'invention. Ainsi, c'est la tranche de cette lame 21 qui ajuste l'épaisseur de l'encre de façon continue le long de l'encrier, et non plus les secteurs 22 indépendants. Bien entendu, bien que non représenté dans les figures 3 et 4 , ce mode d'exécution peut également comporter une bavette de protection 8 comme le premier mode d'exécution.Over the sectors 22, a blade 21 has been placed which directly covers the sectors 22 according to the principle of the invention. Thus, it is the edge of this blade 21 which adjusts the thickness of the ink continuously along the inkwell, and no longer the independent sectors 22. Of course, although not shown in Figures 3 and 4, this embodiment can also include a protective flap 8 as the first embodiment.
Dans la figure 4, l'on a représenté l'encrier avec le porte-lame 20 monté, dans la configuration d'utilisation. Dans cette configuration, la lame 21 est fixée au porte- lame 25 par une pièce de fixation 26 qui s'étend sur toute la largeur de l'encrier, cette pièce 26 étant attachée au porte-lame 25 par des vis 27 qui traversent la lame 21 par des trous 28 (figure 3) pour se visser dans des taraudages du porte-lame 25.In Figure 4, there is shown the inkwell with the blade holder 20 mounted, in the configuration of use. In this configuration, the blade 21 is fixed to the blade holder 25 by a fixing piece 26 which extends over the entire width of the inkwell, this piece 26 being attached to the blade holder 25 by screws 27 which pass through the blade 21 through holes 28 (FIG. 3) for screwing into threads of the blade holder 25.
La butée de référence 25 est attachée au porte-lame 20 par exemple par des vis ou par un autre moyen approprié.The reference stop 25 is attached to the blade holder 20 for example by screws or by other suitable means.
La lame 11 ou 21 selon l'invention forme ainsi une pièce d'usure qui peut être facilement échangée et qui a un coût réduit. De préférence, la lame est en acier d'environ 1 à 3 mm d'épaisseur et comporte un dépôt de céramique de quelques microns d'épaisseur qui permet d'augmenter sensiblement sa durée de vie. En effet, les encres utilisées ont des propriétés abrasives qui usent l'arête de la lame de sorte que le dépôt de céramique permet de renforcer cette arête.The blade 11 or 21 according to the invention thus forms a wearing part which can be easily exchanged and which has a reduced cost. Preferably, the blade is made of steel of approximately 1 to 3 mm thick and comprises a ceramic deposit of a few microns thick which makes it possible to significantly increase its service life. In fact, the inks used have abrasive properties which wear the edge of the blade so that the ceramic deposit strengthens this edge.
Bien entendu, les modes d'exécution décrits le sont à titre d'exemple et des variations sont possibles dans le cadre de la protection revendiquée. De même, des moyens équivalents à ceux décrits sont possibles. Of course, the embodiments described are by way of example and variations are possible within the framework of the protection claimed. Likewise, means equivalent to those described are possible.

Claims

Revendications claims
1. Encrier pour machine d'impression, ayant un fond avec un porte-lame (1 ; 20) dans lequel ledit porte-lame comporte plusieurs secteurs (2 ; 22) adjacents et déplaçables par des moyens de réglage (13) pour varier la distance entre lesdits secteurs et la circonférence d'un cylindre d'encrier, ledit encrier comportant en outre une lame (11 ; 21) interposée entre lesdits secteurs (2 ; 22) et la circonférence du cylindre d'encrier et présentant une arête destinée à maintenir une épaisseur d'encre déterminée sur le cylindre d'encrier, l'épaisseur d'encre étant déterminée par la position desdits secteurs qui est transmises à ladite lame, caractérisé en ce que ladite lame (11 ; 21) repose directement sur lesdits secteurs (2 ; 22) et est maintenue fixe par rapport audit porte-lame (1 ; 20) .1. Inkwell for printing machine, having a bottom with a blade holder (1; 20) in which said blade holder comprises several adjacent sectors (2; 22) and movable by adjustment means (13) to vary the distance between said sectors and the circumference of an inkwell cylinder, said inkwell further comprising a blade (11; 21) interposed between said sectors (2; 22) and the circumference of the inkwell cylinder and having an edge intended to maintain an ink thickness determined on the ink cylinder, the ink thickness being determined by the position of said sectors which is transmitted to said blade, characterized in that said blade (11; 21) rests directly on said sectors (2; 22) and is held fixed relative to said blade holder (1; 20).
2. Encrier selon la revendication 1, dans lequel la lame (11 ; 21) comprend un dépôt de céramique pour renforcer ladite arête de la lame.2. Inkwell according to claim 1, wherein the blade (11; 21) comprises a ceramic deposit to reinforce said edge of the blade.
3. Encrier selon la revendication 2, caractérisé en ce que la lame (11 ; 21) est une lame métallique.3. Inkwell according to claim 2, characterized in that the blade (11; 21) is a metal blade.
4. Encrier selon la revendication 1 , 2 ou 3 , dans lequel la lame (11 ; 21) est vissée dans le porte-lame (1 ; 20) . 4. Inkwell according to claim 1, 2 or 3, wherein the blade (11; 21) is screwed into the blade holder (1; 20).
5. Encrier selon la revendication 1, 2 ou 3, dans lequel la lame est maintenue sur le porte-lame par une pièce de fixation (26) .5. Inkwell according to claim 1, 2 or 3, wherein the blade is held on the blade holder by a fixing piece (26).
6. Encrier selon l'une des revendications précédentes, dans lequel les secteurs (2) sont déplacés par déformation. 6. Inkwell according to one of the preceding claims, in which the sectors (2) are displaced by deformation.
7. Encrier selon l'une des revendications 1 à 5, dans lequel les secteurs (22) sont déplacés par rotation. 7. Inkwell according to one of claims 1 to 5, in which the sectors (22) are moved by rotation.
8. Encrier selon l'une des revendications précédentes, dans lequel une matière plastique deformable est déposée entre les secteurs (2 ; 22) pour améliorer l'étanchéité entre ceux-ci. 8. Inkwell according to one of the preceding claims, in which a deformable plastic material is deposited between the sectors (2; 22) to improve the seal between them.
EP05718417A 2004-04-22 2005-04-08 Ink supply device for printing machine Not-in-force EP1755895B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05718417A EP1755895B1 (en) 2004-04-22 2005-04-08 Ink supply device for printing machine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04009528A EP1588854A1 (en) 2004-04-22 2004-04-22 Ink supply device for printing machine
EP05718417A EP1755895B1 (en) 2004-04-22 2005-04-08 Ink supply device for printing machine
PCT/IB2005/000953 WO2005102701A1 (en) 2004-04-22 2005-04-08 Ink fountain for a printing machine

Publications (2)

Publication Number Publication Date
EP1755895A1 true EP1755895A1 (en) 2007-02-28
EP1755895B1 EP1755895B1 (en) 2007-08-22

Family

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EP04009528A Withdrawn EP1588854A1 (en) 2004-04-22 2004-04-22 Ink supply device for printing machine
EP05718417A Not-in-force EP1755895B1 (en) 2004-04-22 2005-04-08 Ink supply device for printing machine

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Application Number Title Priority Date Filing Date
EP04009528A Withdrawn EP1588854A1 (en) 2004-04-22 2004-04-22 Ink supply device for printing machine

Country Status (8)

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US (1) US20070181023A1 (en)
EP (2) EP1588854A1 (en)
JP (1) JP2007533505A (en)
CN (1) CN1946555B (en)
AT (1) ATE370837T1 (en)
DE (1) DE602005002142T2 (en)
RU (1) RU2006141252A (en)
WO (1) WO2005102701A1 (en)

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EP2830439B1 (en) 2012-03-30 2020-11-04 Givaudan SA N-acyl-gaba derivatives for the improvement of the flavour profile of edible compositions
KR102045590B1 (en) 2012-03-30 2019-11-15 지보당 에스아 N-acylated 1-aminocycloalkyl carboxylic acids as food flavouring compounds
WO2013149008A2 (en) 2012-03-30 2013-10-03 Givaudan, S.A. Improvements in or relating to organic compounds
CN104254253B (en) 2012-03-30 2017-12-29 奇华顿股份有限公司 N as food fragrance compound is acylated methionine derivatives
BR112014023448B1 (en) 2012-03-30 2021-06-22 Givaudan Sa EDIBLE OR DRINK COMPOSITION INCLUDING N-ACYL DERIVATIVES RANGE AMINO-BUTYRIC ACID AND STANDARD SOLUTION
CN106220546B (en) 2012-03-30 2018-11-30 奇华顿股份有限公司 N- acyl-proline derivative as food fragrance compound
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EP2830438B1 (en) 2012-03-30 2019-09-04 Givaudan SA N-acyl derivatives of gamma amino-butyric acid as food flavouring compounds, powder compositions containing them
US10836712B2 (en) 2012-03-30 2020-11-17 Givaudan S.A. Organic compounds
WO2013149025A1 (en) 2012-03-30 2013-10-03 Givaudan, S., A. N-acyl serine derivatives as food flavouring compounds
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Also Published As

Publication number Publication date
CN1946555B (en) 2010-07-21
US20070181023A1 (en) 2007-08-09
JP2007533505A (en) 2007-11-22
WO2005102701A1 (en) 2005-11-03
EP1588854A1 (en) 2005-10-26
EP1755895B1 (en) 2007-08-22
DE602005002142D1 (en) 2007-10-04
DE602005002142T2 (en) 2008-03-06
CN1946555A (en) 2007-04-11
ATE370837T1 (en) 2007-09-15
RU2006141252A (en) 2008-06-10

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