EP0554631A1 - Process for fabricating a self-inked marking device and device obtained by that process - Google Patents

Process for fabricating a self-inked marking device and device obtained by that process Download PDF

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Publication number
EP0554631A1
EP0554631A1 EP92400325A EP92400325A EP0554631A1 EP 0554631 A1 EP0554631 A1 EP 0554631A1 EP 92400325 A EP92400325 A EP 92400325A EP 92400325 A EP92400325 A EP 92400325A EP 0554631 A1 EP0554631 A1 EP 0554631A1
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EP
European Patent Office
Prior art keywords
felt
layer
powder
printing
marking
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.)
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EP92400325A
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German (de)
French (fr)
Inventor
Jean Verdenne
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SIGN TIMBRES
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SIGN TIMBRES
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Publication date
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Priority to DE1992400325 priority Critical patent/DE554631T1/en
Publication of EP0554631A1 publication Critical patent/EP0554631A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/36—Details
    • B41K1/38—Inking devices; Stamping surfaces
    • B41K1/52—Ink reservoirs, e.g. integral with stamp handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/14—Forme preparation for stencil-printing or silk-screen printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/24—Absorbent pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/36—Details
    • B41K1/38—Inking devices; Stamping surfaces
    • B41K1/50—Stamping surfaces impregnated with ink, or made of material leaving a mark after stamping contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix

Definitions

  • the present invention relates to a method for producing a marking device intended generally for ensuring the application of marking liquids, or inks, of different types. It relates in particular to printing devices, such as ink pads, ink rollers or any other means enabling ink to be applied to a marker or printing instrument. More particularly, this invention relates to a marking device containing its own supply of marking liquid, generally called self-inking stamp, so as to avoid successive re-inking of the marking surface.
  • a so-called multi-layer marker device comprising: an outer layer comprising a microporous product generally consisting of interconnected aggregates of a thermoplastic resin forming a structure which defines a network of pores in which is contained a marker liquid and a reservoir layer, located under the outer layer and comprising a microporous structure with open pores, a microporous product impregnating this structure, this microporous product being formed of interconnected aggregates which define a network spaces with the structure, in which a marking liquid is contained.
  • the reservoir layer with microporous structure is generally made of a foam type material, in particular foam. elastomer, thermoset with open cells or of the felt type, impregnated or not with a microporous product or ink. This basic element is embedded in the outer layer also made up of a microporous structure.
  • these known multi-layer marking devices present a significant difficulty in production which lies in the attachment between the reservoir layer and the surface marking layer which must have a small thickness because it only serves as a filter making it possible to obtain a beautiful print quality. It is understood that the method of fixing and anchoring between the reservoir layer and the microporous marking layer can constitute a physical obstacle to the transfer of ink between the two layers, which affects the quality of the printing.
  • the present invention has set itself the objective of producing a simple multi-layer marker device, easy to manufacture, using inexpensive materials or more advanced substances but in very small quantities and easy to enforce.
  • the subject of this invention is a method for obtaining a multi-layer marker device of the type comprising a reservoir layer with macroporous structure, containing a marker liquid, on which is positioned a microporous surface layer for printing or marking.
  • the external surface of which is optionally provided with printing characters, this process being characterized in that the reservoir layer consists of a felt which is subjected to a brushing treatment in order to straighten the hairs situated on the surface of this felt , these bristles then constituting a plurality of anchoring points for the microporous outer printing or marking layer which is then molded on the surface of said felt.
  • a multi-layer marking device is produced having a very thin microporous marking layer, which is physically integral with the lower reservoir layer and the transport of the marker liquid (ink) between the reservoir layer and the Marking surface layer is not stopped by a layer of glue, welding or any other means of connection between the two layers.
  • the brushing treatment of the surface of the felt is carried out by a manual process in particular using a wire brush or by any other known mechanical means.
  • the microporous surface layer which is deposited on the reservoir structure consists of a sintered powder, generally a pulverulent thermoplastic resin.
  • This layer can also be constituted for example by mixtures of polyvinyl chloride powder with nitrile rubber or by any other similar substance which can be used by the process which is the subject of the invention.
  • the reservoir structure consists of a felt, preferably a traditional commercial felt which is subjected to the brushing treatment so as to bring out the bristles, as mentioned above.
  • a very thin film of powder (the nature of which has been defined above) is regularly deposited using a conventional dusting device.
  • the felt carrying the surface layer of powder (which will then constitute the microporous marking layer in the finished marking device) is then placed in an oven without pressure at an appropriate temperature so as to obtain the melting of the powder.
  • the cooking can be carried out by depositing on the felt coated with its surface powder layer, a polished metal plate and by introducing the assembly between the plates of a press.
  • the operation is carried out by a combination of pressure and temperature between the plates of a heating press, which makes it possible to obtain a smoother product than in the first embodiment mentioned above.
  • a bakelite plate is molded with intaglio printing characters, this bakelite plate having to serve as a mold for the subsequent operations. Note that this technique is already commonly used in the manufacture of rubber stamps. In this production, the quality and nature of the bakelite have no influence on the characteristics of the finished product.
  • sintering powder for example a thermoplastic resin
  • the felt treated by brushing is then placed, as indicated above, on the bakelite plate, so that the treated face of the felt is in contact with the powder.
  • the assembly is finally placed between the plates of a press and subjected to baking at a determined temperature, for example of the order of 120 ° C and for a specific time, for example of the order of 10 minutes.
  • the invention also relates to self-inked marking devices of the multi-layer type produced by the implementation of the method defined above and which are characterized in particular by the presence of a very thin microporous marking layer, perfectly physically attached to the reservoir layer.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Methods (AREA)
  • Pens And Brushes (AREA)
  • Duplication Or Marking (AREA)

Abstract

Process for obtaining a multilayer marking device of the type comprising a storage layer of macroporous structure containing a marking liquid, on which a microporous printing or marking surface layer is positioned, whose outer surface is optionally provided with print characters, this process being characterised in that the storage layer consists of a felt which is subjected to a brushing treatment in order to raise the pile situated on the surface of this felt, this pile subsequently constituting a plurality of anchoring points for the microporous outer printing or marking layer which is then moulded onto the surface of the said felt.

Description

La présente invention concerne un procédé de réalisation d'un dispositif marqueur destiné d'une façon générale à assurer l'application de liquides de marquage, ou encres, de différents types. Elle vise notamment des dispositifs d'impression, tels que des tampons encreurs, des rouleaux encreurs ou tout autre moyen permettant d'appliquer de l'encre sur un instrument marqueur ou d'impression. De façon plus particulière, cette invention concerne un dispositif marqueur contenant sa propre alimentation en liquide de marquage, généralement appelé timbre-auto-encreur, de façon à éviter des ré-encrages successifs de la surface de marquage.The present invention relates to a method for producing a marking device intended generally for ensuring the application of marking liquids, or inks, of different types. It relates in particular to printing devices, such as ink pads, ink rollers or any other means enabling ink to be applied to a marker or printing instrument. More particularly, this invention relates to a marking device containing its own supply of marking liquid, generally called self-inking stamp, so as to avoid successive re-inking of the marking surface.

La réalisation de dispositifs marqueurs du type mentionné ci-dessus, c'est-à-dire à alimentation permanente en liquide de marquage, soulève un certain nombre de difficultés. Afin de résoudre ces difficultés, on a proposé (FR-A-2 281 836) un dispositif marqueur dit multi-couches comprenant : une couche extérieure comportant un produit microporeux généralement constitué d'agrégats interconnectés d'une résine thermoplastique formant une structure qui définit un réseau de pores dans lequel est contenu un liquide marqueur et une couche réservoir, située sous la couche extérieure et comprenant une structure microporeuse à pores ouverts, un produit microporeux imprégnant cette structure, ce produit microporeux étant formés d'agrégats interconnectés qui définissent un réseau d'espaces avec la structure, dans lequel est contenu un liquide de marquage.The production of marking devices of the type mentioned above, that is to say with permanent supply of marking liquid, raises a certain number of difficulties. In order to solve these difficulties, there has been proposed (FR-A-2 281 836) a so-called multi-layer marker device comprising: an outer layer comprising a microporous product generally consisting of interconnected aggregates of a thermoplastic resin forming a structure which defines a network of pores in which is contained a marker liquid and a reservoir layer, located under the outer layer and comprising a microporous structure with open pores, a microporous product impregnating this structure, this microporous product being formed of interconnected aggregates which define a network spaces with the structure, in which a marking liquid is contained.

Dans ce dispositif marqueur de type connu, la couche réservoir à structure microporeuse est généralement constituée d'un matériau du type mousse, notamment mousse élastomère, thermodurcie à cellules ouvertes ou du type feutre, imprégné ou non d'un produit microporeux ou d'encre. Cet élément de base est noyé dans la couche extérieure constituée également d'une structure microporeuse.In this known type of marker device, the reservoir layer with microporous structure is generally made of a foam type material, in particular foam. elastomer, thermoset with open cells or of the felt type, impregnated or not with a microporous product or ink. This basic element is embedded in the outer layer also made up of a microporous structure.

Si, sur le plan de la fiabilité d'utilisation, ces dispositifs marqueurs multi-couches, selon la technique antérieure, donnent généralement satisfaction, leur réalisation est relativement complexe et elle exige généralement la mise en oeuvre en quantités importantes de substances chimiques très élaborées dont le prix de revient est élevé, ce qui se traduit par des mises en oeuvre compliquées ainsi que par des coûts importants de réalisation.If, in terms of reliability of use, these multi-layer marking devices, according to the prior art, are generally satisfactory, their production is relatively complex and it generally requires the use in large quantities of very elaborate chemical substances including the cost price is high, which results in complicated implementations as well as significant production costs.

En outre, ces dispositifs marqueurs multi-couches connus présentent une difficulté importante de réalisation qui réside dans l'accrochage entre la couche réservoir et la couche superficielle de marquage qui doit présenter une faible épaisseur car elle sert uniquement de filtre permettant d'obtenir une belle qualité d'impression. On conçoit que le mode de fixation et d'ancrage entre la couche réservoir et la couche microporeuse de marquage peut constituer un obstacle physique au transfert de l'encre entre les deux couches, ce qui nuit à la qualité de l'impression.In addition, these known multi-layer marking devices present a significant difficulty in production which lies in the attachment between the reservoir layer and the surface marking layer which must have a small thickness because it only serves as a filter making it possible to obtain a beautiful print quality. It is understood that the method of fixing and anchoring between the reservoir layer and the microporous marking layer can constitute a physical obstacle to the transfer of ink between the two layers, which affects the quality of the printing.

Pour éviter les inconvénients mentionnés ci-dessus, la présente invention s'est fixée pour objectif de réaliser un dispositif marqueur multi-couches simple, facile à fabriquer, utilisant des matériaux peu onéreux ou des substances plus évoluées mais en très faibles quantités et faciles à mettre en oeuvre.To avoid the drawbacks mentioned above, the present invention has set itself the objective of producing a simple multi-layer marker device, easy to manufacture, using inexpensive materials or more advanced substances but in very small quantities and easy to enforce.

En conséquence, cette invention a pour objet un procédé d'obtention d'un dispositif marqueur multi-couches du type comportant une couche réservoir à structure macroporeuse, contenant un liquide marqueur, sur laquelle est positionnée une couche superficielle microporeuse d'impression ou de marquage, dont la surface extérieure est éventuellement munie de caractères d'impression, ce procédé étant caractérisé en ce que la couche réservoir est constituée d'un feutre auquel on fait subir un traitement de brossage afin de redresser les poils situés sur la surface de ce feutre, ces poils constituant ensuite une pluralité de points d'ancrage pour la couche extérieure microporeuse d'impression ou de marquage qui est ensuite moulée sur la surface dudit feutre.Consequently, the subject of this invention is a method for obtaining a multi-layer marker device of the type comprising a reservoir layer with macroporous structure, containing a marker liquid, on which is positioned a microporous surface layer for printing or marking. , the external surface of which is optionally provided with printing characters, this process being characterized in that the reservoir layer consists of a felt which is subjected to a brushing treatment in order to straighten the hairs situated on the surface of this felt , these bristles then constituting a plurality of anchoring points for the microporous outer printing or marking layer which is then molded on the surface of said felt.

Ainsi, et grâce à la présente invention, on réalise un dispositif marqueur multi-couches présentant une couche de marquage microporeuse très mince, parfaitement solidaire physiquement de la couche réservoir inférieure et l'acheminement du liquide marqueur (encre) entre la couche réservoir et la couche superficielle de marquage n'est pas arrêté par une couche de colle, une soudure ou tout autre moyen de liaison entre les deux couches.Thus, and thanks to the present invention, a multi-layer marking device is produced having a very thin microporous marking layer, which is physically integral with the lower reservoir layer and the transport of the marker liquid (ink) between the reservoir layer and the Marking surface layer is not stopped by a layer of glue, welding or any other means of connection between the two layers.

Selon un mode de mise en oeuvre préféré du procédé de l'invention, le traitement de brossage de la surface du feutre est réalisé par un procédé manuel notamment en utilisant une brosse métallique ou par tout autre moyen mécanique connu.According to a preferred embodiment of the process of the invention, the brushing treatment of the surface of the felt is carried out by a manual process in particular using a wire brush or by any other known mechanical means.

Selon le procédé objet de la présente invention, le dispositif marqueur multi-couches ainsi obtenu peut être encré par absorption soit à l'air libre, soit sous vide, ce qui lui permet ainsi de recevoir toute qualité d'encre soit à base de colorants ou de pigments. Les encres utilisées peuvent être de différentes natures, par exemple :

  • le constituant de base peut être soit de l'eau, soit un solvant lourd du type alcool méthylique, glycol etc...
  • les coloris peuvent être obtenus soit par des colorants soit par des pigments.
According to the process which is the subject of the present invention, the multi-layer marker device thus obtained can be inked by absorption either in the open air or in vacuum, which thus enables it to receive any quality of ink or based on dyes. or pigments. Inks used can be of different natures, for example:
  • the basic constituent can be either water or a heavy solvent of the methyl alcohol, glycol type, etc.
  • the colors can be obtained either by dyes or by pigments.

La couche superficielle microporeuse qui est déposée sur la structure réservoir est constituée d'une poudre frittée, en général une résine thermoplastique pulvérulente. Cette couche peut également être constituée par exemple par des mélanges de poudre de chlorure de polyvinyle avec du caoutchouc nitrile ou par toute autre substance similaire pouvant être mise en oeuvre par le procédé objet de l'invention.The microporous surface layer which is deposited on the reservoir structure consists of a sintered powder, generally a pulverulent thermoplastic resin. This layer can also be constituted for example by mixtures of polyvinyl chloride powder with nitrile rubber or by any other similar substance which can be used by the process which is the subject of the invention.

Afin de mieux faire comprendre les avantages ainsi que les caractéristiques du procédé objet de la présente invention, on a décrit ci-après différents exemples non limitatifs de mise en oeuvre de ce procédé pour la réalisation de différents types de dispositifs marqueurs.In order to better understand the advantages as well as the characteristics of the process which is the subject of the present invention, various nonlimiting examples of implementation of this process for the production of different types of marking devices have been described below.

1) Réalisation d'une surface d'impression plane et lisse (tampons encreurs par exemple)1) Creation of a flat and smooth printing surface (ink pads for example)

La structure réservoir est constituée d'un feutre, de préférence un feutre commercial traditionnel auquel on fait subir le traitement de brossage de manière à en faire ressortir les poils, comme mentionné ci-dessus. Sur la surface du feutre ainsi traitée, on dépose de manière régulière un film très mince de poudre (dont la nature a été définie ci-dessus) en utilisant un dispositif classique de saupoudrage. Le feutre portant la couche superficielle de poudre (qui constituera ensuite la couche microporeuse de marquage dans le dispositif marqueur terminé) est placé ensuite dans une étuve sans pression à une température appropriée de manière à obtenir la fusion de la poudre.The reservoir structure consists of a felt, preferably a traditional commercial felt which is subjected to the brushing treatment so as to bring out the bristles, as mentioned above. On the surface of the felt thus treated, a very thin film of powder (the nature of which has been defined above) is regularly deposited using a conventional dusting device. The felt carrying the surface layer of powder (which will then constitute the microporous marking layer in the finished marking device) is then placed in an oven without pressure at an appropriate temperature so as to obtain the melting of the powder.

Selon une variante, la cuisson peut être effectuée en déposant sur le feutre revêtu de sa couche superficielle de poudre, une plaque métallique polie et en introduisant l'ensemble entre les plateaux d'une presse. Dans cette variante du procédé, on opère par combinaison de pression et de température entre les plateaux d'une presse chauffante, ce qui permet d'obtenir un produit plus lisse que dans le premier mode de réalisation mentionné ci-dessus.According to a variant, the cooking can be carried out by depositing on the felt coated with its surface powder layer, a polished metal plate and by introducing the assembly between the plates of a press. In this variant of the process, the operation is carried out by a combination of pressure and temperature between the plates of a heating press, which makes it possible to obtain a smoother product than in the first embodiment mentioned above.

2) Réalisation d'une surface d'impression comportant des caractères d'impression en relief2) Creation of a printing surface with embossed printing characters

Dans un premier stade, on moule une plaque de bakélite avec des caractères d'impression en creux, cette plaque de bakélite devant servir de moule pour les opérations ultérieures. On notera que cette technique est déjà couramment utilisée dans la fabrication des timbres en caoutchouc. Dans cette fabrication, la qualité et la nature de la bakélite n'ont pas d'influence sur les caractéristiques du produit fini. On remplit ensuite les caractères en creux de la plaque de bakélite à l'aide de la poudre à fritter (par exemple une résine thermoplastique), puis on dépose sur la plaque dont les caractères en creux sont remplis de la couche superficielle de poudre, un film très mince de cette même poudre (environ 2 à 3/10 de mm). On place ensuite le feutre traité par brossage, comme indiqué précédemment, sur la plaque de bakélite, de manière que la face traitée du feutre soit en contact avec la poudre. L'ensemble est enfin placé entre les plateaux d'une presse et soumis à une cuisson à une température déterminée, par exemple de l'ordre de 120° C et pendant une durée précise, par exemple de l'ordre de 10 minutes.In a first stage, a bakelite plate is molded with intaglio printing characters, this bakelite plate having to serve as a mold for the subsequent operations. Note that this technique is already commonly used in the manufacture of rubber stamps. In this production, the quality and nature of the bakelite have no influence on the characteristics of the finished product. Then fill the intaglio characters on the bakelite plate with sintering powder (for example a thermoplastic resin), then place on the plate whose intaglio characters are filled with the surface layer of powder, a very thin film of this same powder (approximately 2 to 3/10 of a mm). The felt treated by brushing is then placed, as indicated above, on the bakelite plate, so that the treated face of the felt is in contact with the powder. The assembly is finally placed between the plates of a press and subjected to baking at a determined temperature, for example of the order of 120 ° C and for a specific time, for example of the order of 10 minutes.

On notera que pour l'obtention de surfaces d'impression comportant des caractères en relief, il est indispensable de réaliser le moulage sous presse. En outre, on précisera que lorsqu'on effectue le frittage de la couche superficielle par cuisson et compression entre les plateaux d'une presse, on peut obtenir une structure plus ou moins fine de la couche superficielle microporeuse de marquage ou d'encrage, ce qui permet d'assurer la régulation de la distribution d'encre au travers de cette couche microporeuse en jouant sur le taux de compression que l'on fait subir au produit lors de la cuisson.It will be noted that in order to obtain printing surfaces comprising characters in relief, it is essential to carry out molding in a press. In addition, it will be specified that when the sintering of the surface layer is carried out by baking and compression between the plates of a press, it is possible to obtain a more or less fine structure of the microporous surface layer for marking or inking, this which makes it possible to regulate the distribution of ink through this microporous layer by varying the compression rate which the product is subjected to during cooking.

Bien entendu, l'invention vise également les dispositifs marqueurs auto-encrés du type multi-couches réalisés par la mise en oeuvre du procédé défini ci-dessus et qui sont caractérisés notamment par la présence d'une couche de marquage microporeuse très mince, parfaitement solidaire physiquement de la couche réservoir.Of course, the invention also relates to self-inked marking devices of the multi-layer type produced by the implementation of the method defined above and which are characterized in particular by the presence of a very thin microporous marking layer, perfectly physically attached to the reservoir layer.

Il demeure bien entendu que la présente invention n'est pas limitée aux exemples de mise en oeuvre ou de réalisation décrits et mentionnés ci-dessus mais qu'elle en englobe toutes les variantes.It remains to be understood that the present invention is not limited to the examples of implementation or embodiment described and mentioned above but that it encompasses all variants thereof.

Claims (10)

Procédé d'obtention d'un dispositif marqueur multi-couches du type comportant une couche réservoir à structure macroporeuse, contenant un liquide marqueur, sur laquelle est positionnée une couche superficielle microporeuse d'impression ou de marquage, dont la surface extérieure est éventuellement munie de caractères d'impression, ce procédé étant caractérisé en ce que la couche réservoir est constituée d'un feutre auquel on fait subir un traitement de brossage afin de redresser les poils situés sur la surface de ce feutre, ces poils constituant ensuite une pluralité de points d'ancrage pour la couche extérieure microporeuse d'impression ou de marquage qui est ensuite moulée sur la surface dudit feutre.Process for obtaining a multi-layer marker device of the type comprising a reservoir layer with macroporous structure, containing a marker liquid, on which is positioned a microporous surface layer for printing or marking, the external surface of which is optionally provided with printing characters, this process being characterized in that the reservoir layer consists of a felt which is subjected to a brushing treatment in order to straighten the hairs located on the surface of this felt, these hairs then constituting a plurality of points anchor for the microporous printing or marking outer layer which is then molded onto the surface of said felt. Procédé selon la revendication 1, caractérisé en ce que le traitement de brossage de la surface du feutre est réalisé manuellement.Method according to claim 1, characterized in that the brushing treatment of the felt surface is carried out manually. Procédé selon la revendication 1, caractérisé en ce que le traitement de brossage de la surface du feutre est réalisé par voie mécanique.Method according to claim 1, characterized in that the brushing treatment of the surface of the felt is carried out mechanically. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'encrage est réalisé par absorption du liquide de marquage soit à l'air libre, soit sous vide.Method according to any one of the preceding claims, characterized in that the inking is carried out by absorption of the marking liquid either in the open air or in vacuum. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la couche superficielle microporeuse qui est déposée sur la structure réservoir est constituée d'une poudre frittée, notamment une résine thermoplastique.Method according to any one of the preceding claims, characterized in that the microporous surface layer which is deposited on the reservoir structure consists of a sintered powder, in particular a thermoplastic resin. Procédé selon l'une quelconque des revendications précédentes, appliqué à la réalisation d'une surface d'impression plane et lisse, caractérisé en ce que sur la surface du feutre traité par brossage, on dépose de manière régulière un film très mince de poudre et en ce que l'on place ensuite le feutre portant la couche superficielle de feutre dans une étuve dont la température est déterminée de façon à obtenir la cuisson de la poudre.Method according to any one of the preceding claims, applied to the production of a flat and smooth printing surface, characterized in that on the surface of the felt treated by brushing, a very thin film of powder is regularly deposited in that the felt is then placed carrying the surface layer of felt in an oven whose temperature is determined so as to obtain the cooking of the powder. Procédé selon la revendication 6, caractérisé en ce que la cuisson entre les plateaux d'une presse chauffante est effectuée en déposant sur le feutre revêtu de sa couche superficielle de poudre, une plaque métallique polie et en introduisant l'ensemble entre les plateaux d'une presse.Method according to claim 6, characterized in that the cooking between the plates of a heating press is carried out by depositing on the felt coated with its surface powder layer, a polished metal plate and introducing the assembly between the plates of a news. Procédé selon l une quelconque des revendications 1 à 5, appliqué à la réalisation d une surface d'impression comportant des caractères d'impression en relief, caractérisé en ce que, dans un premier stade on moule une plaque de bakélite avec des caractères d'impression en creux, cette plaque servant de moule pour les opérations ultérieures puis, en un second stade on remplit les caractères en creux de la plaque de bakélite à l'aide de la poudre à fritter et l'on dépose sur la plaque dont les caractères en creux sont remplis de la poudre, un film très mince de ladite poudre, on place ensuite dans un troisième stade, le feutre traité par brossage sur la plaque de bakélite de manière que la face traitée du feutre soit au contact de la poudre et , finalement on place l'ensemble ainsi obtenu entre les plateaux d'une presse chauffante avant de le soumettre à une cuisson pendant une durée déterminée.Method according to any one of Claims 1 to 5, applied to the production of a printing surface comprising relief printing characters, characterized in that, in a first stage, a bakelite plate is molded with characters of intaglio printing, this plate serving as a mold for the subsequent operations then, in a second stage, the intaglio characters of the bakelite plate are filled with the sintering powder and placed on the plate whose characters in the hollow are filled with the powder, a very thin film of the said powder, then place in a third stage, the felt treated by brushing on the bakelite plate so that the treated face of the felt is in contact with the powder and, finally the assembly thus obtained is placed between the plates of a heating press before subjecting it to cooking for a determined period. Procédé selon la revendication 7, caractérisé en ce que l'étape de la cuisson est réalisée à une température de l'ordre de 120° C et pendant une durée de l'ordre de 10 minutes.Method according to claim 7, characterized in that the cooking step is carried out at a temperature of the order of 120 ° C and for a duration of the order of 10 minutes. Dispositif marqueur auto-encré du type multi-couches, réalisé par la mise en oeuvre du procédé défini dans l'une quelconque des revendications précédentes et caractérisé notamment en ce qu'il comporte une couche de marquage microporeuse très mince, parfaitement solidaire de la couche réservoir.Self-inked marker device of the multi-layer type, produced by implementing the method defined in any one of the preceding claims and characterized in particular in that it comprises a very thin microporous marking layer, perfectly integral with the layer tank.
EP92400325A 1991-02-06 1992-02-07 Process for fabricating a self-inked marking device and device obtained by that process Withdrawn EP0554631A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1992400325 DE554631T1 (en) 1992-02-07 1992-02-07 Process for producing a self-inking marking device and device obtained by this process.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9101332A FR2672243B1 (en) 1991-02-06 1991-02-06 PROCESS FOR PRODUCING A SELF-INK MARKING DEVICE AND DEVICE OBTAINED BY THIS PROCESS.

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EP0554631A1 true EP0554631A1 (en) 1993-08-11

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EP92400325A Withdrawn EP0554631A1 (en) 1991-02-06 1992-02-07 Process for fabricating a self-inked marking device and device obtained by that process

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EP (1) EP0554631A1 (en)
ES (1) ES2044824T1 (en)
FR (1) FR2672243B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1531047A1 (en) * 1999-08-10 2005-05-18 Neopost Limited Ink dispenser

Citations (5)

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Publication number Priority date Publication date Assignee Title
FR1088802A (en) * 1953-07-15 1955-03-10 Gu Nther Wagner K G Fa Foam rubber ink holder for stamps, ink rollers, etc.
FR2004842A1 (en) * 1968-03-27 1969-12-05 Ernst Reiner Kg Feinmechanik & INKING DEVICE AND INK CONTAINER
FR2281836A1 (en) * 1974-08-12 1976-03-12 Porelon MARKING DEVICE
DE2739804A1 (en) * 1977-05-02 1978-11-16 Bando Chemical Ind INK STORAGE MATERIAL FOR STAMP AND METHOD FOR MANUFACTURING THE SAME
US4927695A (en) * 1985-09-11 1990-05-22 Porelon, Inc. Microporous marking structures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1088802A (en) * 1953-07-15 1955-03-10 Gu Nther Wagner K G Fa Foam rubber ink holder for stamps, ink rollers, etc.
FR2004842A1 (en) * 1968-03-27 1969-12-05 Ernst Reiner Kg Feinmechanik & INKING DEVICE AND INK CONTAINER
FR2281836A1 (en) * 1974-08-12 1976-03-12 Porelon MARKING DEVICE
DE2739804A1 (en) * 1977-05-02 1978-11-16 Bando Chemical Ind INK STORAGE MATERIAL FOR STAMP AND METHOD FOR MANUFACTURING THE SAME
US4927695A (en) * 1985-09-11 1990-05-22 Porelon, Inc. Microporous marking structures

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Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 441 (M-876)(3789) 4 Octobre 1989 & JP-A-11 68 482 ( MICHIO OOTSUKI ) 3 Juillet 1989 *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 441 (M-876)(3789) 4 Octobre 1992 & JP-A-11 68 480 ( MICHIO OOTSUKI ) 3 Juillet 1989 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1531047A1 (en) * 1999-08-10 2005-05-18 Neopost Limited Ink dispenser

Also Published As

Publication number Publication date
ES2044824T1 (en) 1994-01-16
FR2672243B1 (en) 1993-06-04
FR2672243A1 (en) 1992-08-07

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