EP1718477A1 - Writing tool provided with a valve feeding device - Google Patents

Writing tool provided with a valve feeding device

Info

Publication number
EP1718477A1
EP1718477A1 EP05717511A EP05717511A EP1718477A1 EP 1718477 A1 EP1718477 A1 EP 1718477A1 EP 05717511 A EP05717511 A EP 05717511A EP 05717511 A EP05717511 A EP 05717511A EP 1718477 A1 EP1718477 A1 EP 1718477A1
Authority
EP
European Patent Office
Prior art keywords
ink
valve
writing instrument
writing
roller
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
EP05717511A
Other languages
German (de)
French (fr)
Other versions
EP1718477B1 (en
Inventor
Didier Lange
Franck Rolion
Vincent Bedhome
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.)
BIC SA
Original Assignee
BIC 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 BIC SA filed Critical BIC SA
Publication of EP1718477A1 publication Critical patent/EP1718477A1/en
Application granted granted Critical
Publication of EP1718477B1 publication Critical patent/EP1718477B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/20—Pens with writing-points other than nibs or balls with roller writing-points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K17/00—Continuously-adjustable nibs, e.g. for drawing-pens; Holders therefor
    • B43K17/005—Continuously-adjustable nibs, e.g. for drawing-pens; Holders therefor continuously-adjustable nibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/003—Pen barrels

Definitions

  • the invention relates to writing instruments.
  • a writing instrument comprising an ink reservoir, a roller, a passage connecting the reservoir to the roller, as well as a valve mounted movable between a position closed in which it closes the passage and an open position in which it communicates the reservoir with the roller.
  • a porous element is interposed in the passage between the roller and the valve, which is pierced with a hole which, in the open position, allows the ink to flow from the reservoir to the porous element, which soaks turn the roller.
  • This type of writing instrument can give satisfaction, but it has however a certain number of drawbacks.
  • the roller is partly received in the passage provided for the flow of the ink.
  • the valve and / or the porous element get stuck in the passage, either in the closed position (in which case the ink no longer flows), or in the open position (in this case, the instrument flows continuously), all to the detriment of proper functioning of the writing instrument.
  • the invention aims to solve in particular the aforementioned drawbacks, by proposing a writing instrument having reliability and precision. increased writing.
  • the invention provides a writing instrument comprising: - a body provided with an ink reservoir, - an ink element mounted on the body, and - a supply device comprising: - a conduit connecting the reservoir to the ink element and opening into the reservoir through an opening, this conduit having an internal wall, and - a valve comprising a leg received in said conduit, and extended by a head, this valve being slidably mounted between a closed position in wherein said head is applied against a shoulder bordering said opening to prevent the flow of ink, and an open position in which the head is at least partly spaced from the shoulder to allow the flow of ink through the opening, characterized in that a gap is formed between the jamb and the internal wall of the conduit, and in that the jamb projects from the conduit on the side of the ink element.
  • the ink flows by capillarity from the valve onto the ink element. This results in a reduction of the risk that the ink overflows from the ink element, to the benefit of writing precision. Furthermore, the gap between the valve and the conduit reduces the risk of the first being trapped in the second, to the benefit of the reliability of the writing instrument.
  • the valve is preferably made in or coated with a hydrophobic material, such as silicone.
  • the duct is for example of rectangular section, while the jamb is pyramidal.
  • the supply device comprises a sleeve in which said opening is made, which comes to fit on a tubing of the reservoir and in which the valve is mounted.
  • the valve it can be provided with through holes made in the head in the vicinity of the j ambage.
  • these holes are in the form of slots having parallel edges, the valve having a peripheral part fixed relative to the body and a central part comprising the valve leg, said central part being movable between a closed position in which the edges of each slot coincide, and an open position in which the edges of the slots are offset to allow the ink to flow.
  • the ink element in permanent contact with the valve leg, is preferably movable between a writing position in which it urges the valve towards its open position to allow the flow of ink, and a rest position in which allows the valve to occupy its closed position.
  • the ink element is for example fixed on a support mounted to slide relative to the body between a writing position in which the ink element biases the valve towards its open position to allow the flow of the ink, and a position of rest in which the inking element allows the valve to occupy its closed position.
  • the support is biased towards its rest position by a return spring, which for example comprises an elastic strip integrated in the support, which bears on a wall fixed relative to the body.
  • the body of the instrument extending along an axis main, the ink element is for example a roller rotatably mounted about an axis perpendicular to the main axis of the body.
  • the ink element is in peripheral contact with a writing roller mounted for rotation about an axis parallel to that of the intermediate roller, and capable of coming into contact with a writing medium.
  • the diameter of the intermediate roller is preferably less than the diameter of the writing roller.
  • FIG. 1 is a perspective view of a writing instrument according to the invention, closed by a cap;
  • Figure 2 is a view of the writing instrument of Figure 1, without the cap;
  • Figure 3 is a perspective view illustrating a part of the body of the writing instrument of the previous figures;
  • Figure 4 is an exploded perspective view, partially broken away, illustrating the writing instrument of Figure 2;
  • - Figure 5 is an elevational view in partial section illustrating the writing instrument of Figure 2;
  • Figure 6 is an exploded perspective view showing a detail of the writing instrument of Figure 4;
  • Figure 7 is a plan view of a valve for a writing instrument as illustrated in Figure 4;
  • Figure 8 is a sectional elevation detail view illustrating the writing instrument with the valve in a closed position;
  • Figure 9 is a view similar to Figure 8, where the valve is in the open position.
  • a writing instrument 1 comprising a body 2 elongated along a main axis X and provided with a reservoir 3 containing a liquid ink 4 which can be seen in particular in Figure 4, part of the tank 3 being torn off.
  • the tank 3 is in the form of a removable and replaceable cartridge, which is fitted between a front part 5 and a rear part 6 of the body 3, so that the surfaces of the tank 3 and of these front 5 and rear 6 parts are flush when the body 2 is assembled (FIG. 2).
  • FIG. 2 As can be seen in FIG.
  • the front part 5 has, on the side opposite to the rear part 6, a front end 7 shaped as a yoke comprising two parallel arms 8, 9 each provided on an internal face 10, d 'a groove 11 parallel to the main axis X.
  • the instrument 1 which is in this case a marker or a highlighter, also comprises a writing device 12 comprising a support 13 having two longitudinal members 14, 15 which s' extend substantially parallel to the main axis X and between which are rotatably mounted an ink roller 16 and a writing roller 17 both cylindrical.
  • the ink roller 16 and the writing roller 17 are respectively mounted for rotation about a first axis A1 and a second axis A2, substantially parallel to each other and perpendicular to the main axis X.
  • the diameter of the ink roller 16 is less than the diameter of the writing roller 17.
  • the side members 14, 15 each have a rib 18 projecting, which extends parallel to the main axis X.
  • the sleeve 20 has a hollow parallelepipedic body 23, open at a rear end 24 by which it fits on the pipe 21, and closed, opposite this rear end 24, by a bottom wall 25.
  • the sleeve 20 also has a chimney 26 which projects in relation to the bottom wall 25, opposite the rear end 24.
  • This chimney 26 is pierced with a conduit 27 passing through, of rectangular section.
  • the conduit 27 has an internal wall 28 and opens, on the side of the reservoir 3, through an opening 29 bordered by a shoulder ent formed by a face 30 of the bottom wall 25, facing the reservoir 3.
  • the valve 22 has as for it has a T-shaped profile and comprises a substantially flat head 31 which extends perpendicular to the main axis X, extended by a leg 32 which projects in relation to the head 31 and parallel to the main axis X, jamb 32 which ends, opposite the head 31, by one end 33.
  • the valve 22 is fitted into the sleeve 20 with, on the one hand, its jamb 32 received in the conduit 27 and, on the other part, its head 31 taken between the bottom wall 25 and a front end 34 of the pipe 21.
  • the respective sections of the leg 32 and of the conduit 27 are chosen so that there is formed between them a gap 35 where the ink 4 can flow, as we will see below.
  • the jamb 32 has, as shown in FIGS. 8 and 9, a truncated pyramidal shape, its section, taken perpendicular to the main axis X, becoming thinner from its junction with the head 31 towards its end 33, so that the width of the interstice 35 increases as one moves away from the reservoir 3.
  • the leg 32 At its end 33, the leg 32 has a width L which is less than or equal to the width of the ink roller 16 (measured parallel to its axis of rotation A1).
  • the respective lengths of the chimney 26 and the leg 32 are chosen so that the leg 32 protrudes from the conduit 27 on the side opposite to the reservoir 3, as shown in Figures 8 and 9.
  • the valve 22 is also provided with through holes 36 made in the head 31 in the vicinity and on either side of the jamb 32. According to an embodiment illustrated in Figures 7 to 9, these holes 36 are in the form of slots having edges 37 , 38 parallels. These slots 36 delimit on the valve 22, on the one hand, a peripheral part 39, formed by a zone of the head 31 situated around the slots 36 and, on the other hand, a central part 40 situated between the slots 36 and comprising the leg 32.
  • the valve 22 is movable along the main axis X, between - a closed position in which the edges 37, 38 of each slot 36 coincide, the part of the head 31 located in the vicinity of the leg 32 being applied against the shoulder 30 (FIG.
  • valve 22 passes from its closed position in its open position, and vice versa, by elastic deformation.
  • the central part 40 of the valve 22 is permanently urged towards the closed position by the inherent elasticity of the material from which the valve 22 is made.
  • the valve 22 is made in or coated with a hydrophobic material, for reasons which will appear below.
  • the valve 22 comprises a core made of a plastic material such as polypropylene, or an elastomer, as well as a silicone coating, the hydrophobic properties of which are well known.
  • the valve 22 is entirely made of silicone.
  • the writing device 12 is adjacent to the feeding device 19, the ink roller 16 being in contact with the leg 32 by a peripheral surface 41. More precisely, the writing device writing 12 is slidably mounted relative to the body 2 between: - a writing position, shown diagrammatically in FIG.
  • FIGS. 5 and 8 a rest position, shown in FIGS. 5 and 8, in which the ink roller 16 allows the valve 22 to occupy its closed position.
  • the writing device 12 is permanently biased towards its rest position by means of a return spring in the form of a pair of elastic strips 42 which extend in overhang at a rear end 43 of each beam 14, 15, and which are in permanent abutment against the bottom wall 25 on either side of the chimney 26.
  • the ink roller 16 which moves back towards the reservoir 3 causes opening of the valve 22, the ink 4 being able to flow from the reservoir 3 towards the ink roller 16 by passing through slots 36 whose edges 37, 38 are spaced, then through the opening 29 and in the conduit 27.
  • the ink 4 peels off from the internal wall 28 of the conduit 27 to flow by capillarity against the flanks leg 32 (FIG.
  • the rotation of the ink roller 16 allows a uniform spreading of the ink 4 on its peripheral surface 41, and, by rotating contact with the writing roller 17, a uniform transfer of the ink 4 towards the latter.
  • the fact that the diameter of the ink roller 16 is less than that of the writing roller 17 makes it possible to obtain a measured flow of ink from the ink roller 16 to the writing roller 17, and to minimize the risk of projection of ink (that is to say of ink) during the rotation of the rollers 16, 17.

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  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)

Abstract

The inventive writing tool comprises a body (2) provided with an ink container (3), an inking element (16) mounted on the end of the body (2) and a feeding device (19) consisting of a tube which is provided with an inner wall, connects the container (3) to the inking element (16) and penetrates into the container (3) through an opening, a valve (22) comprising a jamb (32) which is received in said tube and extended by a head (31), wherein the valve is slidingly mounted between a closed position in which said head (31) is applied to a shoulder bordering said opening and an open position in which the head (31) is remote from the shoulder. An interstice is arranged between the jamb and the tube inner wall in such a way that said jamb projects from the tube.

Description

Instrument d'écriture comportant un dispositif d'alimentation à valve Writing instrument comprising a valve supply device
L'invention a trait aux instruments d'écritures. On connaît de la demande de brevet japonais publiée sous le numéro JP-07-214968 un instrument d'écriture comportant un réservoir d'encre, un rouleau, un passage reliant le réservoir au rouleau, ainsi qu'une valve montée mobile entre une position fermée dans laquelle elle obture le passage et une position ouverte dans laquelle elle met en communication le réservoir avec le rouleau. Un élément poreux est intercalé, dans le passage, entre le rouleau et la valve, laquelle est percée d'un trou qui, en position ouverte, permet à l'encre de s'écouler du réservoir vers l'élément poreux, lequel imbibe à son tour le rouleau. Ce type d' instrument d' écriture peut donner satisfaction, mais il présente toutefois un certain nombre d'inconvénients. D'abord, comme cela est visible sur les figures 1 et 2 de la demande précitée, le rouleau est en partie reçu dans le passage prévu pour l'écoulement de l'encre. Afin de permettre une libre rotation du rouleau, on comprend qu'il est nécessaire de prévoir un jeu entre le rouleau et le passage. Il en résulte un risque qu'une encre trop liquide s'insinue dans ce jeu et vienne déborder de la zone de contact entre le rouleau et le support contre lequel est appliqué le rouleau, ce qui génère des taches et des bavures. Ensuite, il peut arriver que la valve et/ou l'élément poreux se coincent dans le passage, soit en position fermée (auquel cas l'encre ne s'écoule plus), soit en position ouverte (dans ce cas, l'instrument coule en permanence), le tout au détriment d'un bon fonctionnement de l'instrument d'écriture. L' invention vise à résoudre notamment les inconvénients précités, en proposant un instrument d'écriture présentant une fiabilité et une précision d'écriture accrues . A cet effet, l'invention propose un instrument d' écriture comprenant : - un corps muni d'un réservoir d'encre, - un élément encreur monté sur le corps, et - un dispositif d'alimentation comportant : - un conduit reliant le réservoir à l'élément encreur et débouchant dans le réservoir par une ouverture, ce conduit présentant une paroi interne, et - une valve comportant un jambage reçu dans ledit conduit, et prolongé par une tête, cette valve étant montée coulissante entre une position fermée dans laquelle ladite tête se trouve appliquée contre un épaulement bordant ladite ouverture pour empêcher l'écoulement de l'encre, et une position ouverte dans laquelle la tête se trouve au moins en partie à distance de l'épaulement pour permettre l'écoulement de l'encre au travers de l'ouverture, caractérisé en ce qu'un interstice est ménagé entre le jambage et la paroi interne du conduit, et en ce que le jambage dépasse du conduit du côté de l'élément encreur. De la sorte, l'encre ruisselle par capillarité de la valve sur l'élément encreur. Il en résulte une réduction du risque que l'encre déborde de l'élément encreur, au bénéfice de la précision d' écriture. Par ailleurs, l'interstice entre la valve et le conduit réduit le risque de coincement de la première dans le second, au bénéfice de la fiabilité de l'instrument d'écriture. La valve est de préférence réalisée dans ou revêtue d'un matériau hydrophobe, tel que de la silicone. Par ailleurs, le conduit est par exemple à section rectangulaire, tandis que le jambage est pyramidal. Suivant un mode de réalisation, le dispositif d' alimentation comporte un manchon dans lequel est pratiquée ladite ouverture, qui vient s'emboîter sur une tubulure du réservoir et dans lequel est montée la valve. Quant à la valve, elle peut être munie de trous traversants pratiqués dans la tête au voisinage du j ambage . Suivant un mode de réalisation, ces trous se présentent sous la forme de fentes ayant des bords parallèles, la valve présentant une partie périphérique fixe par rapport au corps et une partie centrale comprenant le jambage de valve, ladite partie centrale étant mobile entre une position fermée dans laquelle les bords de chaque fente coïncident, et une position ouverte dans laquelle les bords des fentes sont décalés pour permettre l'écoulement de l'encre. L'élément encreur, en contact permanent avec le jambage de valve, est de préférence mobile entre une position d'écriture dans laquelle il sollicite la valve vers sa position ouverte pour permettre l' écoulement de l'encre, et une position de repos dans laquelle il permet à la valve d'occuper sa position de fermeture. L'élément encreur est par exemple fixé sur un support monté coulissant par rapport au corps entre une position d'écriture dans laquelle l'élément encreur sollicite la valve vers sa position ouverte pour permettre l'écoulement de l'encre, et une position de repos dans laquelle l'élément encreur permet à la valve d'occuper sa position de fermeture. Suivant un mode de réalisation, le support est sollicité vers sa position de repos par un ressort de rappel, qui comprend par exemple une lamelle élastique intégrée au support, qui prend appui sur une paroi fixe par rapport au corps. Le corps de l'instrument s' étendant suivant un axe principal, l'élément encreur est par exemple un rouleau monté à rotation autour d'un axe perpendiculaire à l'axe principal du corps. Suivant un mode de réalisation, l'élément encreur est en contact périphérique avec un rouleau d' écriture monté à rotation autour d'un axe parallèle à celui du rouleau intermédiaire, et apte à venir en contact avec un support d' écriture. Par ailleurs, le diamètre du rouleau intermédiaire est de préférence inférieur au diamètre du rouleau d'écriture. D'autres objets et avantages de l'invention apparaîtront à la lumière de la description faite ci-après en référence aux dessins annexés dans lesquels : la figure 1 est une vue en perspective d'un instrument d'écriture selon l'invention, fermé par un capuchon ; la figure 2 est une vue de l' instrument d'écriture de la figure 1, sans le capuchon ; la figure 3 est une vue en perspective illustrant une partie du corps de l'instrument d'écriture des figures précédentes ; la figure 4 est une vue en perspective éclatée, en arraché partiel, illustrant l'instrument d'écriture de la figure 2 ; - la figure 5 est une vue d'élévation en coupe partielle illustrant l'instrument d'écriture de la figure 2 ; la figure 6 est une vue en perspective éclatée montrant un détail de l'instrument d'écriture de la figure 4 ; la figure 7 est une vue en plan d'une valve pour un instrument d'écriture tel qu'illustré sur la figure 4 ; la figure 8 est une vue de détail d'élévation en coupe illustrant l'instrument d'écriture avec la valve dans une position fermée ; la figure 9 est une vue analogue à la figure 8, où la valve est en position ouverte. Sur les figures 1 à 4 est représenté un instrument d'écriture 1 comprenant un corps 2 allongé suivant un axe principal X et muni d'un réservoir 3 contenant une encre 4 liquide que l'on aperçoit notamment sur la figure 4, une partie du réservoir 3 étant arrachée. Comme cela apparaît sur les figures 3 à 5, le réservoir 3 se présente sous la forme d'une cartouche amovible et remplaçable, qui est emboîtée entre une partie avant 5 et une partie arrière 6 du corps 3, de manière que les surfaces du réservoir 3 et de ces parties avant 5 et arrière 6 soient affleurantes lorsque le corps 2 est assemblé (figure 2) . Comme cela est visible sur la figure 4 notamment, la partie avant 5 présente, du côté opposé à la partie arrière 6, une extrémité avant 7 conformée en une chape comportant deux bras 8, 9 parallèles munis chacun, sur une face interne 10, d'une rainure 11 parallèle à l'axe principal X. L'instrument 1, qui est en l'occurrence un marqueur ou un surligneur, comporte également un dispositif d'écriture 12 comprenant un support 13 ayant deux longerons 14, 15 qui s'étendent sensiblement parallèlement à l'axe principal X et entre lesquels sont montés à rotation un rouleau encreur 16 et un rouleau d'écriture 17 tous deux cylindriques. Le rouleau encreur 16 et le rouleau d'écriture 17 sont respectivement montés à rotation autour d'un premier axe Al et d'un second axe A2, sensiblement parallèles entre eux et perpendiculaires à l'axe principal X. Comme cela est visible sur les figures 5 et 6, le diamètre du rouleau encreur 16 est inférieur au diamètre du rouleau d'écriture 17. Les longerons 14, 15 présentent chacun une nervure 18 en saillie, qui s'étend parallèlement à l'axe principal X. Une fois assemblé, le dispositif 12 est monté à l'extrémité avant 7 du corps 2, le support 13 étant emboîté dans la chape 7 et les nervures 18 reçues dans les rainures 11 correspondantes. Ces dernières présentent une longueur supérieure à celle des nervures 18, de manière à ménager un débattement axial au dispositif 12, pour des raisons qui apparaîtront ci-après. L'instrument d'écriture 1 comporte en outre un dispositif d'alimentation 19 comprenant un manchon 20 qui vient s'emboîter sur une tubulure 21 dont est muni le réservoir 3, et une valve 22 emboîtée dans le manchon 20. Le manchon 20 présente un corps 23 parallélépipédique creux, ouvert à une extrémité arrière 24 par laquelle il s'emboîte sur la tubulure 21, et fermé, à l'opposé de cette extrémité arrière 24, par une paroi de fond 25. Le manchon 20 présente en outre une cheminée 26 qui s'étend en saillie par rapport à la paroi de fond 25, à l'opposé de l'extrémité arrière 24. Cette cheminée 26 est percée d'un conduit 27 traversant, à section rectangulaire . Le conduit 27 présente une paroi interne 28 et débouche, du côté du réservoir 3, par une ouverture 29 bordée par un épaule ent formé par une face 30 de la paroi de fond 25, tournée vers le réservoir 3. La valve 22 présente quant à elle un profil en T et comporte une tête 31 sensiblement plate qui s'étend perpendiculairement à l'axe principal X, prolongée par un jambage 32 qui s'étend en saillie par rapport à la tête 31 et parallèlement à l'axe principal X, jambage 32 qui se termine, à l'opposé de la tête 31, par une extrémité 33. La valve 22 est emboîtée dans le manchon 20 avec, .d'une part, son jambage 32 reçu dans le conduit 27 et, d'autre part, sa tête 31 prise entre la paroi de fond 25 et une extrémité avant 34 de la tubulure 21. Les sections respectives du jambage 32 et du conduit 27 sont choisies de manière qu' il soit ménagé entre eux un interstice 35 où puisse s'écouler l'encre 4, comme nous le verrons ci-après. Si la section du conduit 27 est constante, le jambage 32 présente quant à lui, comme cela est visible sur les figures 8 et 9, une forme pyramidale tronquée, sa section, prise perpendiculairement à l' xe principal X, allant en s' amenuisant depuis sa jonction avec la tête 31 vers son extrémité 33, en sorte que la largeur de l'interstice 35 va en augmentant au fur et à mesure que l'on s'éloigne du réservoir 3. A son extrémité 33, le jambage 32 présente une largeur L qui est inférieure ou égale à la largeur du rouleau encreur 16 (mesurée parallèlement à son axe de rotation Al) . En outre, les longueurs respectives de la cheminée 26 et du jambage 32 sont choisies de manière que le jambage 32 dépasse du conduit 27 du côté opposé au réservoir 3, comme cela est représenté sur les figures 8 et 9. La valve 22 est par ailleurs munie de trous 36 traversants pratiqués dans la tête 31 au voisinage et de part et d'autre du jambage 32. Suivant un mode de réalisation illustré sur les figures 7 à 9, ces trous 36 se présentent sous la forme de fentes ayant des bords 37, 38 parallèles. Ces fentes 36 délimitent sur la valve 22, d'une part, une partie périphérique 39, formée par une zone de la tête 31 située autour des fentes 36 et, d'autre part, une partie centrale 40 située entre les fentes 36 et comprenant le jambage 32. La valve 22 est mobile le long de l'axe principal X, entre - une position fermée dans laquelle les bords 37, 38 de chaque fente 36 coïncident, la partie de la tête 31 située au voisinage du jambage 32 étant appliquée contre l'épaulement 30 (figure 8), et - une position ouverte dans laquelle les bords 37, 38 des fentes 36 sont décalés, la partie centrale 40 étant repoussée vers l'intérieur du réservoir 3, la partie de la tête 31 située au voisinage du jambage 32 étant écartée de l'épaulement 30 (figure 9) . Quelle que soit la position de la valve 22, la partie périphérique 39, pincée entre la paroi de fond 25 et l'extrémité 34 de la tubulure 21, est fixe par rapport au corps 2. Ainsi, la valve 22 passe de sa position fermée à sa position ouverte, et réciproquement, par déformation élastique. De fait, la partie centrale 40 de la valve 22 est sollicitée en permanence vers la position fermée par l'élasticité propre du matériau dans lequel est réalisée la valve 22. La valve 22 est fabriquée dans ou revêtue d'un matériau hydrophobe, pour des raisons qui apparaîtront ci- après. Suivant un premier mode de réalisation, la valve 22 comprend un cœur réalisé dans un matériau plastique tel qu'un polypropylène, ou un élastomère, ainsi qu'un revêtement en silicone, dont les propriétés hydrophobes sont bien connues. Suivant un second mode de réalisation, la valve 22 est entièrement réalisée en silicone. Par ailleurs, comme cela est visible sur la figure 5, le dispositif d'écriture 12 est adjacent au dispositif d'alimentation 19, le rouleau encreur 16 étant au contact du jambage 32 par une surface périphérique 41. Plus précisément, le dispositif d'écriture 12 est monté coulissant par rapport au corps 2 entre : - une position d'écriture, représentée schématiquement sur la figure 9, qu'il occupe lorsqu'un utilisateur applique l'instrument 1 contre un support d'écriture (non représenté), position dans laquelle le rouleau encreur 16 sollicite la valve 22 vers sa position ouverte, et - une position de repos, représentée sur les figures 5 et 8, dans laquelle le rouleau encreur 16 permet à la valve 22 d'occuper sa position fermée . Le dispositif d'écriture 12 est sollicité en permanence vers sa position de repos au moyen d'un ressort de rappel se présentant sous la forme d'une paire de lamelles élastiques 42 qui s'étendent en porte-à-faux à une extrémité arrière 43 de chaque longeron 14, 15, et qui sont en appui permanent contre la paroi de fond 25 de part et d'autre de la cheminée 26. Lorsque le dispositif d'écriture 12 est en position de repos (tel que représenté sur la figure 5) , la valve 22 se trouve elle-même en position fermée et obture le conduitThe invention relates to writing instruments. We know from the Japanese patent application published under the number JP-07-214968 a writing instrument comprising an ink reservoir, a roller, a passage connecting the reservoir to the roller, as well as a valve mounted movable between a position closed in which it closes the passage and an open position in which it communicates the reservoir with the roller. A porous element is interposed in the passage between the roller and the valve, which is pierced with a hole which, in the open position, allows the ink to flow from the reservoir to the porous element, which soaks turn the roller. This type of writing instrument can give satisfaction, but it has however a certain number of drawbacks. First, as can be seen in Figures 1 and 2 of the aforementioned application, the roller is partly received in the passage provided for the flow of the ink. In order to allow free rotation of the roller, it is understood that it is necessary to provide a clearance between the roller and the passage. This results in a risk that an ink that is too liquid gets into this game and overflows from the contact zone between the roller and the support against which the roller is applied, which generates stains and burrs. Then, it may happen that the valve and / or the porous element get stuck in the passage, either in the closed position (in which case the ink no longer flows), or in the open position (in this case, the instrument flows continuously), all to the detriment of proper functioning of the writing instrument. The invention aims to solve in particular the aforementioned drawbacks, by proposing a writing instrument having reliability and precision. increased writing. To this end, the invention provides a writing instrument comprising: - a body provided with an ink reservoir, - an ink element mounted on the body, and - a supply device comprising: - a conduit connecting the reservoir to the ink element and opening into the reservoir through an opening, this conduit having an internal wall, and - a valve comprising a leg received in said conduit, and extended by a head, this valve being slidably mounted between a closed position in wherein said head is applied against a shoulder bordering said opening to prevent the flow of ink, and an open position in which the head is at least partly spaced from the shoulder to allow the flow of ink through the opening, characterized in that a gap is formed between the jamb and the internal wall of the conduit, and in that the jamb projects from the conduit on the side of the ink element. In this way, the ink flows by capillarity from the valve onto the ink element. This results in a reduction of the risk that the ink overflows from the ink element, to the benefit of writing precision. Furthermore, the gap between the valve and the conduit reduces the risk of the first being trapped in the second, to the benefit of the reliability of the writing instrument. The valve is preferably made in or coated with a hydrophobic material, such as silicone. Furthermore, the duct is for example of rectangular section, while the jamb is pyramidal. According to one embodiment, the supply device comprises a sleeve in which said opening is made, which comes to fit on a tubing of the reservoir and in which the valve is mounted. As for the valve, it can be provided with through holes made in the head in the vicinity of the j ambage. According to one embodiment, these holes are in the form of slots having parallel edges, the valve having a peripheral part fixed relative to the body and a central part comprising the valve leg, said central part being movable between a closed position in which the edges of each slot coincide, and an open position in which the edges of the slots are offset to allow the ink to flow. The ink element, in permanent contact with the valve leg, is preferably movable between a writing position in which it urges the valve towards its open position to allow the flow of ink, and a rest position in which allows the valve to occupy its closed position. The ink element is for example fixed on a support mounted to slide relative to the body between a writing position in which the ink element biases the valve towards its open position to allow the flow of the ink, and a position of rest in which the inking element allows the valve to occupy its closed position. According to one embodiment, the support is biased towards its rest position by a return spring, which for example comprises an elastic strip integrated in the support, which bears on a wall fixed relative to the body. The body of the instrument extending along an axis main, the ink element is for example a roller rotatably mounted about an axis perpendicular to the main axis of the body. According to one embodiment, the ink element is in peripheral contact with a writing roller mounted for rotation about an axis parallel to that of the intermediate roller, and capable of coming into contact with a writing medium. Furthermore, the diameter of the intermediate roller is preferably less than the diameter of the writing roller. Other objects and advantages of the invention will become apparent in the light of the description given below with reference to the appended drawings in which: FIG. 1 is a perspective view of a writing instrument according to the invention, closed by a cap; Figure 2 is a view of the writing instrument of Figure 1, without the cap; Figure 3 is a perspective view illustrating a part of the body of the writing instrument of the previous figures; Figure 4 is an exploded perspective view, partially broken away, illustrating the writing instrument of Figure 2; - Figure 5 is an elevational view in partial section illustrating the writing instrument of Figure 2; Figure 6 is an exploded perspective view showing a detail of the writing instrument of Figure 4; Figure 7 is a plan view of a valve for a writing instrument as illustrated in Figure 4; Figure 8 is a sectional elevation detail view illustrating the writing instrument with the valve in a closed position; Figure 9 is a view similar to Figure 8, where the valve is in the open position. In Figures 1 to 4 is shown a writing instrument 1 comprising a body 2 elongated along a main axis X and provided with a reservoir 3 containing a liquid ink 4 which can be seen in particular in Figure 4, part of the tank 3 being torn off. As shown in Figures 3 to 5, the tank 3 is in the form of a removable and replaceable cartridge, which is fitted between a front part 5 and a rear part 6 of the body 3, so that the surfaces of the tank 3 and of these front 5 and rear 6 parts are flush when the body 2 is assembled (FIG. 2). As can be seen in FIG. 4 in particular, the front part 5 has, on the side opposite to the rear part 6, a front end 7 shaped as a yoke comprising two parallel arms 8, 9 each provided on an internal face 10, d 'a groove 11 parallel to the main axis X. The instrument 1, which is in this case a marker or a highlighter, also comprises a writing device 12 comprising a support 13 having two longitudinal members 14, 15 which s' extend substantially parallel to the main axis X and between which are rotatably mounted an ink roller 16 and a writing roller 17 both cylindrical. The ink roller 16 and the writing roller 17 are respectively mounted for rotation about a first axis A1 and a second axis A2, substantially parallel to each other and perpendicular to the main axis X. As can be seen on the Figures 5 and 6, the diameter of the ink roller 16 is less than the diameter of the writing roller 17. The side members 14, 15 each have a rib 18 projecting, which extends parallel to the main axis X. Once assembled, the device 12 is mounted at the front end 7 of the body 2, the support 13 being fitted into the yoke 7 and the ribs 18 received in the corresponding grooves 11. The latter have a length greater than that of the ribs 18, so as to provide an axial clearance to the device 12, for reasons which will appear below. The writing instrument 1 further comprises a supply device 19 comprising a sleeve 20 which fits onto a tube 21 with which the reservoir 3 is provided, and a valve 22 fitted into the sleeve 20. The sleeve 20 has a hollow parallelepipedic body 23, open at a rear end 24 by which it fits on the pipe 21, and closed, opposite this rear end 24, by a bottom wall 25. The sleeve 20 also has a chimney 26 which projects in relation to the bottom wall 25, opposite the rear end 24. This chimney 26 is pierced with a conduit 27 passing through, of rectangular section. The conduit 27 has an internal wall 28 and opens, on the side of the reservoir 3, through an opening 29 bordered by a shoulder ent formed by a face 30 of the bottom wall 25, facing the reservoir 3. The valve 22 has as for it has a T-shaped profile and comprises a substantially flat head 31 which extends perpendicular to the main axis X, extended by a leg 32 which projects in relation to the head 31 and parallel to the main axis X, jamb 32 which ends, opposite the head 31, by one end 33. The valve 22 is fitted into the sleeve 20 with, on the one hand, its jamb 32 received in the conduit 27 and, on the other part, its head 31 taken between the bottom wall 25 and a front end 34 of the pipe 21. The respective sections of the leg 32 and of the conduit 27 are chosen so that there is formed between them a gap 35 where the ink 4 can flow, as we will see below. If the section of the duct 27 is constant, the jamb 32 has, as shown in FIGS. 8 and 9, a truncated pyramidal shape, its section, taken perpendicular to the main axis X, becoming thinner from its junction with the head 31 towards its end 33, so that the width of the interstice 35 increases as one moves away from the reservoir 3. At its end 33, the leg 32 has a width L which is less than or equal to the width of the ink roller 16 (measured parallel to its axis of rotation A1). In addition, the respective lengths of the chimney 26 and the leg 32 are chosen so that the leg 32 protrudes from the conduit 27 on the side opposite to the reservoir 3, as shown in Figures 8 and 9. The valve 22 is also provided with through holes 36 made in the head 31 in the vicinity and on either side of the jamb 32. According to an embodiment illustrated in Figures 7 to 9, these holes 36 are in the form of slots having edges 37 , 38 parallels. These slots 36 delimit on the valve 22, on the one hand, a peripheral part 39, formed by a zone of the head 31 situated around the slots 36 and, on the other hand, a central part 40 situated between the slots 36 and comprising the leg 32. The valve 22 is movable along the main axis X, between - a closed position in which the edges 37, 38 of each slot 36 coincide, the part of the head 31 located in the vicinity of the leg 32 being applied against the shoulder 30 (FIG. 8), and - an open position in which the edges 37, 38 of the slots 36 are offset, the central part 40 being pushed towards the interior of the tank 3, the part of the head 31 located in the vicinity of the leg 32 being spaced from the shoulder 30 (FIG. 9). Whatever the position of the valve 22, the peripheral part 39, pinched between the bottom wall 25 and the end 34 of the tubing 21, is fixed relative to the body 2. Thus, the valve 22 passes from its closed position in its open position, and vice versa, by elastic deformation. In fact, the central part 40 of the valve 22 is permanently urged towards the closed position by the inherent elasticity of the material from which the valve 22 is made. The valve 22 is made in or coated with a hydrophobic material, for reasons which will appear below. According to a first embodiment, the valve 22 comprises a core made of a plastic material such as polypropylene, or an elastomer, as well as a silicone coating, the hydrophobic properties of which are well known. According to a second embodiment, the valve 22 is entirely made of silicone. Furthermore, as can be seen in FIG. 5, the writing device 12 is adjacent to the feeding device 19, the ink roller 16 being in contact with the leg 32 by a peripheral surface 41. More precisely, the writing device writing 12 is slidably mounted relative to the body 2 between: - a writing position, shown diagrammatically in FIG. 9, which it occupies when a user applies the instrument 1 against a writing medium (not shown), position in which the ink roller 16 urges the valve 22 towards its open position, and - a rest position, shown in FIGS. 5 and 8, in which the ink roller 16 allows the valve 22 to occupy its closed position. The writing device 12 is permanently biased towards its rest position by means of a return spring in the form of a pair of elastic strips 42 which extend in overhang at a rear end 43 of each beam 14, 15, and which are in permanent abutment against the bottom wall 25 on either side of the chimney 26. When the writing device 12 is in the rest position (as shown in the figure 5), the valve 22 is itself in the closed position and closes the conduit
27 pour empêcher l'encre 4 de s'écouler depuis le réservoir 3 vers le rouleau encreur 16. Par contre, lorsque le dispositif d'écriture 12 est en position d'écriture, le rouleau encreur 16 qui recule vers le réservoir 3 provoque l'ouverture de la valve 22 , l'encre 4 pouvant s'écouler depuis le réservoir 3 vers le rouleau encreur 16 en passant au travers des fentes 36 dont les bords 37, 38 sont écartés, puis au travers de l'ouverture 29 et dans le conduit 27. Compte tenu de la nature hydrophobe du revêtement de la valve 22 et de l'élargissement de l'interstice 35, l'encre 4 se décolle de la paroi interne 28 du conduit 27 pour s'écouler par capillarité contre les flancs du jambage 32 (figure 9) , puis venir ensuite badigeonner la surface 41 du rouleau encreur 16 qui, en contact périphérique permanent avec le rouleau d'écriture 17, est entraîné en rotation autour de son axe Al dans un sens opposé à celui-ci. En outre, comme le jambage 32 dépasse du conduit 27, le rouleau encreur 16 n'est en contact qu'avec l'extrémité 33 de celui-ci, de sorte que l'étalement de l'encre 4 est localisé au voisinage immédiat de l'extrémité 33. Aussi le risque est-il minime que l'encre 4 déborde sur la cheminée 26 et s'écoule en trop grande quantité sur le rouleau encreur 16. Ce risque est d'autant plus limité que, comme nous l'avons indiqué ci-dessus, la largeur du jambage 32 à son extrémité 33 est inférieure à la largeur du rouleau encreur 16. Il en résulte une grande précision d'étalement de l'encre 4 sur le rouleau encreur 16. La rotation du rouleau encreur 16 permet un étalement uniforme de l'encre 4 sur sa surface périphérique 41, et, par contact tournant avec le rouleau d'écriture 17, un transfert uniforme de l'encre 4 vers ce dernier. La présence du rouleau encreur 16, qui forme un support intermédiaire pour l'encre 4 entre le dispositif d'alimentation 19 et le rouleau d'écriture 17, permet de limiter les risques de débordement de l'encre 4. En outre, le fait que le diamètre du rouleau encreur 16 soit inférieur à celui du rouleau d' écriture 17 permet d'obtenir un écoulement mesuré de l'encre depuis le rouleau encreur 16 vers le rouleau d'écriture 17, et de minimiser le risque de projection d'encre (c'est-à-dire d' éclaboussure) lors de la rotation des rouleaux 16, 17. 27 to prevent the ink 4 from flowing from the reservoir 3 to the ink roller 16. On the other hand, when the writing device 12 is in the writing position, the ink roller 16 which moves back towards the reservoir 3 causes opening of the valve 22, the ink 4 being able to flow from the reservoir 3 towards the ink roller 16 by passing through slots 36 whose edges 37, 38 are spaced, then through the opening 29 and in the conduit 27. Given the hydrophobic nature of the coating of the valve 22 and the widening of the gap 35, the ink 4 peels off from the internal wall 28 of the conduit 27 to flow by capillarity against the flanks leg 32 (FIG. 9), then brush the surface 41 of the ink roller 16 which, in permanent peripheral contact with the writing roller 17, is rotated about its axis A1 in one direction opposed to this one. In addition, as the leg 32 protrudes from the conduit 27, the ink roller 16 is only in contact with the end 33 thereof, so that the spread of the ink 4 is located in the immediate vicinity of the end 33. Also the risk is minimal that the ink 4 overflows on the chimney 26 and flows in too large quantity on the ink roller 16. This risk is all the more limited as, as we indicated above, the width of the leg 32 at its end 33 is less than the width of the ink roller 16. This results in a high precision in spreading the ink 4 on the ink roller 16. The rotation of the ink roller 16 allows a uniform spreading of the ink 4 on its peripheral surface 41, and, by rotating contact with the writing roller 17, a uniform transfer of the ink 4 towards the latter. The presence of the ink roller 16, which forms an intermediate support for the ink 4 between the feed device 19 and the writing roller 17, makes it possible to limit the risks of ink overflowing 4. In addition, the fact that the diameter of the ink roller 16 is less than that of the writing roller 17 makes it possible to obtain a measured flow of ink from the ink roller 16 to the writing roller 17, and to minimize the risk of projection of ink (that is to say of ink) during the rotation of the rollers 16, 17.

Claims

REVENDICATIONS
1. Instrument d'écriture (1) comprenant :1. Writing instrument (1) comprising:
- un corps (2) muni d'un réservoir d'encre (3),- a body (2) provided with an ink tank (3),
- un élément encreur (16) monté sur le corps (2), et- an ink element (16) mounted on the body (2), and
- un dispositif d'alimentation (19) comportant : - un conduit (27) reliant le réservoir (3) à l'élément encreur (16) et débouchant dans le réservoir (3) par une ouverture (29), ce conduit (27) présentant une paroi interne (28), et - une valve (22) comportant un jambage (32) reçu dans ledit conduit, et prolongé par une tête (31) , cette valve (22) étant montée coulissante entre une position fermée dans laquelle ladite tête (31) se trouve appliquée contre un épaulement (30) bordant ladite ouverture (29) pour empêcher l'écoulement de l'encre, et une position ouverte dans laquelle la tête (31) se trouve au moins en partie à distance de l'épaulement (30) pour permettre l'écoulement de l'encre au travers de l'ouverture (29), caractérisé en ce qu'un interstice (35) est ménagé entre le jambage (32) et la paroi interne (28) du conduit (27) , et en ce que le jambage (32) dépasse du conduit (27) du côté de l'élément encreur (16). - a supply device (19) comprising: - a conduit (27) connecting the reservoir (3) to the ink element (16) and opening into the reservoir (3) through an opening (29), this conduit (27 ) having an internal wall (28), and - a valve (22) comprising a leg (32) received in said conduit, and extended by a head (31), this valve (22) being slidably mounted between a closed position in which said head (31) is applied against a shoulder (30) bordering said opening (29) to prevent the flow of ink, and an open position in which the head (31) is at least partly away from the shoulder (30) to allow the ink to flow through the opening (29), characterized in that a gap (35) is formed between the leg (32) and the internal wall (28) of the conduit (27), and in that the leg (32) protrudes from the conduit (27) on the side of the ink element (16).
2. Instrument d'écriture (1) selon la revendication 1, dans lequel la valve (22) est réalisée dans ou revêtue d'un matériau hydrophobe. 2. Writing instrument (1) according to claim 1, in which the valve (22) is made in or coated with a hydrophobic material.
3. Instrument d'écriture (1) selon la revendication 2, dans lequel la valve (22) est réalisée en ou revêtue de silicone. 3. writing instrument (1) according to claim 2, wherein the valve (22) is made of or coated with silicone.
4. Instrument d'écriture (1) selon l'une des revendications 1 à 3, dans lequel le conduit (27) est à section rectangulaire, le jambage (32) étant pyramidal. 4. Writing instrument (1) according to one of claims 1 to 3, in which the conduit (27) is of rectangular section, the leg (32) being pyramidal.
5. Instrument d'écriture (1) selon l'une des revendications 1 à 4, dans lequel le dispositif d'alimentation (19) comporte un manchon (20) dans lequel est pratiquée ladite ouverture (29), qui vient s'emboîter sur une tubulure (21) du réservoir (3) et dans lequel est montée la valve (22) . 5. Writing instrument (1) according to one of Claims 1 to 4, in which the supply device (19) comprises a sleeve (20) in which said opening (29) is formed, which fits onto a tube (21) of the reservoir (3) and in which the valve (22) is mounted.
6. Instrument d'écriture (1) selon l'une des revendications 1 à 5, dans lequel la valve (22) est munie de trous traversants (36) pratiqués dans la tête (31) au voisinage du jambage (32) . 6. writing instrument (1) according to one of claims 1 to 5, wherein the valve (22) is provided with through holes (36) made in the head (31) in the vicinity of the leg (32).
7. Instrument d'écriture (1) selon la revendication 6, dans lequel les trous (36) se présentent sous la forme de fentes ayant des bords (37, 38) parallèles, la valve (22) présentant une partie périphérique (39) fixe par rapport au corps (2) et une partie centrale (40) comprenant le jambage (32) , cette partie centrale (40) étant mobile entre une position fermée dans laquelle les bords (37, 38) de chaque fente (36) coïncident, et une position ouverte dans laquelle les bords (37, 38) des fentes (36) sont décalés pour permettre l'écoulement de l'encre. 7. writing instrument (1) according to claim 6, wherein the holes (36) are in the form of slots having edges (37, 38) parallel, the valve (22) having a peripheral part (39) fixed relative to the body (2) and a central part (40) comprising the jamb (32), this central part (40) being movable between a closed position in which the edges (37, 38) of each slot (36) coincide , and an open position in which the edges (37, 38) of the slots (36) are offset to allow the ink to flow.
8. Instrument d'écriture (1) selon l'une des revendications 1 à 7, dans lequel l'élément encreur (16) est en contact permanent avec le jambage (32) . 8. writing instrument (1) according to one of claims 1 to 7, wherein the inking element (16) is in permanent contact with the leg (32).
9. Instrument d'écriture (1) selon l'une des revendications 1 à 8, dans lequel l'élément encreur (16) est mobile entre une position d'écriture dans laquelle il sollicite la valve (22) vers sa position ouverte pour permettre l'écoulement de l'encre, et une position de repos dans laquelle il permet à la valve (22) d'occuper sa position de fermeture. 9. writing instrument (1) according to one of claims 1 to 8, in which the ink element (16) is movable between a writing position in which it urges the valve (22) towards its open position for allow the flow of ink, and a rest position in which it allows the valve (22) to occupy its closed position.
10. Instrument d'écriture (1) selon la revendication 9, dans lequel l'élément encreur (16) est fixé sur un support (13) monté coulissant par rapport au corps (2) entre une position d'écriture dans laquelle l'élément encreur (16) sollicite la valve (22) vers sa position ouverte pour permettre l'écoulement de l'encre, et une position de repos dans laquelle l'élément encreur (16) permet à la valve (22) d'occuper sa position de fermeture. 10. Writing instrument (1) according to claim 9, in which the ink element (16) is fixed on a support (13) slidably mounted relative to the body (2) between a writing position in which the ink element (16) urges the valve (22) towards its position open to allow the flow of ink, and a rest position in which the inking element (16) allows the valve (22) to occupy its closed position.
11. Instrument d'écriture (1) selon la revendication 10, dans lequel le support (13) est sollicité vers sa position de repos par un ressort de rappel. 11. Writing instrument (1) according to claim 10, in which the support (13) is biased towards its rest position by a return spring.
12. Instrument d'écriture (1) selon la revendication 11, dans lequel le ressort de rappel comporte une lamelle élastique (42) intégrée au support (13), qui prend appui sur une paroi (25) fixe par rapport au corps (2) . 12. Writing instrument (1) according to claim 11, in which the return spring comprises an elastic strip (42) integrated into the support (13), which bears on a wall (25) fixed relative to the body (2 ).
13. Instrument d'écriture (1) selon l'une des revendications 1 à 12, dans lequel, le corps (2) s' étendant suivant un axe principal (X), l'élément encreur (16) est un rouleau monté à rotation autour d'un axe (Al) perpendiculaire à cet axe principal (X) . 13. writing instrument (1) according to one of claims 1 to 12, wherein, the body (2) extending along a main axis (X), the ink element (16) is a roller mounted rotation about an axis (Al) perpendicular to this main axis (X).
14. Instrument d'écriture (1) selon la revendication 13, dans lequel l'élément encreur (16) est en contact périphérique avec un rouleau d'écriture (17) monté à rotation autour d'un axe (A2) parallèle à celui (Al) du rouleau intermédiaire, et apte à venir en contact avec un support d'écriture. 14. writing instrument (1) according to claim 13, in which the ink element (16) is in peripheral contact with a writing roller (17) rotatably mounted about an axis (A2) parallel to that (A1) of the intermediate roller, and able to come into contact with a writing medium.
15. Instrument d'écriture (1) selon la revendication 14, dans lequel le diamètre du rouleau encreur (16) est inférieur au diamètre du rouleau d'écriture (17). 15. Writing instrument (1) according to claim 14, in which the diameter of the ink roller (16) is less than the diameter of the writing roller (17).
EP05717511.9A 2004-02-24 2005-01-28 Writing tool provided with a valve feeding device Not-in-force EP1718477B1 (en)

Applications Claiming Priority (2)

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FR0401846A FR2866597B1 (en) 2004-02-24 2004-02-24 WRITING INSTRUMENT HAVING A VALVE FEED DEVICE
PCT/FR2005/000192 WO2005092636A1 (en) 2004-02-24 2005-01-28 Writing tool provided with a valve feeding device

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EP1718477A1 true EP1718477A1 (en) 2006-11-08
EP1718477B1 EP1718477B1 (en) 2013-04-24

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EP (1) EP1718477B1 (en)
JP (1) JP2007522964A (en)
CN (1) CN100445107C (en)
AU (1) AU2005225171A1 (en)
BR (1) BRPI0506937A (en)
CA (1) CA2553205A1 (en)
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Also Published As

Publication number Publication date
JP2007522964A (en) 2007-08-16
FR2866597A1 (en) 2005-08-26
CN100445107C (en) 2008-12-24
US7396179B2 (en) 2008-07-08
CA2553205A1 (en) 2005-10-06
WO2005092636A1 (en) 2005-10-06
BRPI0506937A (en) 2007-06-12
FR2866597B1 (en) 2006-05-26
CN1910056A (en) 2007-02-07
US20070217859A1 (en) 2007-09-20
EP1718477B1 (en) 2013-04-24
AU2005225171A1 (en) 2005-10-06

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