EP2121331A1 - Dispositif pour recharger une cartouche d'encre pour une imprimante à jet d'encre - Google Patents

Dispositif pour recharger une cartouche d'encre pour une imprimante à jet d'encre

Info

Publication number
EP2121331A1
EP2121331A1 EP07819788A EP07819788A EP2121331A1 EP 2121331 A1 EP2121331 A1 EP 2121331A1 EP 07819788 A EP07819788 A EP 07819788A EP 07819788 A EP07819788 A EP 07819788A EP 2121331 A1 EP2121331 A1 EP 2121331A1
Authority
EP
European Patent Office
Prior art keywords
ink
container
opening
wick
ink cartridge
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.)
Withdrawn
Application number
EP07819788A
Other languages
German (de)
English (en)
Inventor
Daniel Sulser
Roland Steiner
Lucio Bianco
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.)
Pelikan Hardcopy Production AG
Original Assignee
Pelikan Hardcopy Production AG
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 Pelikan Hardcopy Production AG filed Critical Pelikan Hardcopy Production AG
Publication of EP2121331A1 publication Critical patent/EP2121331A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K11/00—Filling devices
    • B43K11/005—Filling devices for refilling capillary reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17506—Refilling of the cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/007—Portable ink receptacles; Filling devices for receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/008—Ink receptacles with wick feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/10—Ink receptacles with means for holding objects

Definitions

  • the present invention relates to an apparatus for refilling an ink cartridge for an ink jet printer according to the preamble of claim 1.
  • cartridges with integrated printheads on the one hand and cartridges with an ink outlet opening which can be coupled to the ink supply of an ink jet head.
  • the aforementioned printheads include a plurality of very fine jet nozzles through which the ink is transferred to a print carrier.
  • a wick is usually arranged therein, which is in fluid connection with an ink storage element arranged inside the ink cartridge and consisting of absorbent material.
  • the aforesaid nozzles are directly in fluid communication with the ink storage element disposed within the cartridge.
  • the ink storage element is made of either fibrous material or foam. Since this is a known measure in this regard, a more detailed description of the same is unnecessary here.
  • Cartridges with integrated printheads need to be broken up and resealed very carefully to refill with ink. The effort is correspondingly large and not profitable for cartridges with small quantities.
  • syringe refill systems are known for cartridges of the aforementioned type, by means of which an original cartridge can be refilled.
  • the respective sets include a drill, a hot glue gun, at least four syringes with cannula, ink, a conventional rubber band, and closure means.
  • the aforementioned systems are commercially available. However, they are characterized by inconvenience and disproportionate effort in terms of material and tools.
  • Cartridges with integrated printhead are very expensive to buy in the so-called recycling market. They are then mechanically opened, cleaned and replaced with a new ink storage element, e.g. Sponge od. Like. Provided. Subsequently, replacement ink is filled in and the cartridge is closed again. All this work can only be done at a specific refill company, not the user himself.
  • the core of the present invention lies in a so-called "capillary refill
  • the capillary suction of the ink cartridge to be filled is utilized to fill in.
  • the system has a generally flat ink tank with sufficiently high stability, containing a wick immersed in ink.
  • the wick at the top of the container out of this and is arranged so that with the mounted ink cartridge, ie either with the nozzles of the integrated printhead or with the ink supply to the ink jet head anable ink outlet opening creates a capillary connection.
  • the container preferably still has a ventilation or pressure equalization opening, so that ink can be absorbed capillary by the attached ink cartridge unhindered. This opening can also serve to fill the ink tank.
  • the ink storage element of the ink cartridge can be filled in a simple manner with a portion of ink again, without the use of tools and within a few minutes. Also, there is no danger that the user gets dirty with ink.
  • ink portions with different colors can be made available by the trade. It is a disposable item. OEM cartridges can be filled several times by means of the device according to the invention. The filling can also be done through the nozzles of integrated printheads, although this may take slightly longer than filling a cartridge with a wick in the ink outlet.
  • the device according to the invention is also designed so that a contact with open ink eliminates, so that a corresponding risk of contamination of the user or the environment is avoided. The risk of injury, such as the syringe refill system, does not exist. Also, with the device according to the invention, an ink cartridge can essentially be refilled faster than, for example, by means of a syringe, in which case the cartridge must first be drilled out before it can be refilled. After refilling the corresponding hole must be closed again.
  • the ink portions are sized so that no residual ink remains in the ink container according to the invention. Experiments have shown that the ink storage element of the ink cartridge is completely filled after about 2.5 to a maximum of 5.0 minutes of suction time. That is, after this period, the ink storage element is saturated.
  • the already mentioned pressure equalization opening which also serves to fill the ink tank according to the invention, is dimensioned so that the outer barrier pressure is always greater than the discharge pressure, so that no ink can leak from the container through said opening.
  • the device according to the invention essentially comprises only three basic elements, namely
  • the mentioned wick of the ink container is formed, dimensioned and arranged so that it can easily be brought into contact either with the nozzles formed in the print head of the ink cartridge or with a wick disposed in the ink outlet opening of the ink cartridge, in the latter case the wick of the ink container is made of softer material than the wick of the ink cartridge, so that the wick of the ink cartridge is not deformed by the contact with the wick of the ink container. This is important to ensure the fluid connection between the ink cartridge and the ink supply of an ink jet head, even after refilling the cartridge.
  • the wick of the ink container extends through the bottom of a trough-like depression at the top of the ink container.
  • This trough-like depression serves to collect possibly from the wick of the ink container or after the refilling of the ink cartridge from this leaking ink.
  • the trough-like depression provides additional protection against contamination.
  • a particular imple mentation form is characterized in that at the top of the ink container at least one groove-shaped receiving opening is formed for an ink cartridge, within which an ink cartridge is placed so placeable, in particular clamping that either the nozzles in the integrated printhead of Cartridge or alternatively the wick in the ink outlet opening to form a capillary connection with the wick of the ink container comes into contact.
  • the at least one receiving groove has a stop for positioning the ink cartridge to be refilled.
  • a stop for positioning the ink cartridge to be refilled.
  • an end face of the ink cartridge to be refilled acts together.
  • At least two, in particular transversely extending grooves for differently wide ink cartridges are formed on the upper side of the ink container. Accordingly, of course, the receiving grooves themselves have different widths.
  • an ink filling opening at the top side of the ink container which at the same time serves as a venting or pressure equalization opening.
  • the ink container has a footprint that is dimensioned so that even when coupled and thereby extending beyond the peripheral edge of the ink tank out extending ink cartridge sufficient stability is ensured.
  • the ink container of the present invention is flat and wide.
  • the ink container has a frustoconical, truncated pyramidal or spherical cap-shaped basic shape with a circular or rectangular bottom.
  • the wick of the ink container is sufficient for completely emptying it to the bottom and is arranged within a fluid-permeable, preferably also extending to the bottom of the ink tank cage.
  • This cage may comprise at least three evenly distributed over the circumference arranged, in particular integrally connected to the ink tank or its upper side vertical webs.
  • the wick of the ink container and its ink fill and pressure equalization port are sealed by a peelable adhesive tape.
  • This adhesive tape or similar strip may then also serve to close the ink container prior to disposal thereof.
  • the mentioned adhesive tape is preferred wise placeable within one, in particular the wider receiving groove for an ink cartridge such that it projects beyond the free edge of the receiving groove to form a grip tab on the ink filling and pressure compensation opening side facing. This ensures that when removing the adhesive strip prior to the first use of the device according to the invention first the trough-shaped depression, within which the wick extends, and then the Tinten Stahl- and pressure equalization opening are opened before the wick is released.
  • a venting or pressure equalization first takes place via the wick of the ink container projecting into the trough-shaped depression, so that there is no danger of ink inadvertently escaping via the vent opening during removal of the adhesive strip due to an excessive overpressure inside the container or even spurting out of the ink tank.
  • overpressure can occur, for example, in a relatively hot environment.
  • the invention therefore, it is always ensured that first a pressure equalization between the interior of the ink container and the external environment is produced, so that the aforementioned danger is banned.
  • the ink container is at least partially, preferably made entirely of transparent material, in particular plastic, so that the user sees whether the ink container still contains ink and what color the ink.
  • a particularly simple alternative construction is characterized in that the device for refilling an ink cartridge comprises an ink-filled container having an opening through which the ink storage element via the nozzles of the print head or the Tintenauslrawö réelle the ink cartridge is directly brought into contact.
  • the device for refilling an ink cartridge comprises an ink-filled container having an opening through which the ink storage element via the nozzles of the print head or the Tintenauslrawö réelle the ink cartridge is directly brought into contact.
  • the capillary in the container opening which is designed in particular as a wick. This makes the device even easier without the functionality suffers.
  • the opening of the container is formed on its upper side and has a cross-section corresponding to the outer contour of the printhead comprising the nozzles or the Tintenauslrawö réelle the ink cartridge, and preferably the container opening yet is limited by a sealing strip, in particular made of elastomer or rubber.
  • the sealing strip is then preferably dimensioned so that it rests in a docked ink cartridge fluid-tight at the print head or Tintenauslrawö réelle.
  • the container opening Before the first use, the container opening must of course be closed or covered.
  • the container opening via which the fluid contact to the ink storage element of the ink cartridge can be produced, preferably by a film, in particular a film strip sealable.
  • the container opening Before the first use of this film strip is then deducted. After use, the container opening may be replaced by another film strip, e.g. Tesa® strips are closed again. It is also conceivable that the film strip is held by a Wegverklebbaren cold adhesive, so that the container opening can be closed again with the original film strip.
  • a separate venting or pressure equalization opening is preferably provided in the ink container, which in an advantageous embodiment is arranged within a container recess. These venting or pressure equalization opening must be closed before the first use.
  • a film strip, in particular the same film strip, with which the opening for docking the ink cartridge can be sealed, is also preferably used for this purpose.
  • FIG. 1 shows a first embodiment of a device according to the invention for refilling an ink cartridge in a perspective plan view from above;
  • Fig. 2 shows a cross section through the device of FIG. 1 along line H-II in
  • FIG. 3 is a bottom perspective view of the top of the ink container of FIG.
  • FIG. 5 shows the device according to FIG. 1 in plan view, showing the coupling of two ink cartridges of different widths
  • FIG. 6 shows a modified embodiment of a device according to FIG. 1 in a perspective oblique view from above;
  • FIG. 7 shows a further modified embodiment of the device according to FIG. 1 in a perspective view obliquely from above;
  • FIG. 8 shows an embodiment according to form .
  • Figure 1 with a cap in a perspective view obliquely from above.
  • the first embodiment according to FIGS. 1 to 5 is an apparatus for refilling an ink cartridge 10 or 13 (see FIG. 5) for an ink jet printer with an ink outlet opening 16 which can be coupled to the ink supply of an ink jet head here wick, not shown, with a disposed within the ink cartridge 10 and consisting of absorbent material ink storage element 17 is in fluid communication.
  • the device comprises an ink-filled container 11 having an opening 18 in which a capillary element in the form of a wick 20 immersed in the ink 19 and in contact with the ink storage element 17 of the ink cartridge 10 is located.
  • the wick 20 is conventionally fibrous material with high capillary action in the wick longitudinal direction.
  • This wick 20 is for refilling an ink cartridge in the illustrated embodiment with the disposed in the ink outlet 16 of the ink cartridge 10 wick in contact, wherein the wick 20 of the ink container 11 made of softer or more resilient material than the wick of the ink cartridge 10 is so that the wick of the ink cartridge 10 remains substantially undeformed by the contact with the wick 20 of the ink tank 11.
  • the contact between the two aforementioned wicks of ink tank 11 and ink cartridge 10 is indicated in Fig. 4.
  • the ink tank 11 of the embodiment according to FIGS. 1 to 5 comprises a circular bottom 21 and a spherical cap-shaped upper part 22.
  • the wick 20 of the ink tank 11 extends through the bottom 23 of a trough-shaped recess 24 at the top of the ink tank 11, and although in the trough-shaped recess 24 in, as Fig. 2 shows very well.
  • At the top of the ink tank 11 are formed two cross-shaped groove-shaped receiving openings 25, 26 for ink cartridges 10 and 13 of different widths (see Fig. 5). Within these receiving openings 25, 26, the correspondingly wide ink cartridge 10 and 13 is so placed, in particular clamped, that the wick in the ink outlet opening 16 of the ink cartridge comes to form a capillary with the wick 20 of the ink container 11 into contact.
  • Each of the two receiving grooves 25, 26 has a stop 27, 28 for positioning the ink cartridge 13 or 10 to be refilled.
  • an ink filling opening 29 is still provided, which also serves as a venting or pressure equalization opening. The operation of this opening has already been presented in the introduction.
  • the bottom 21 of the ink tank 11 defines a footprint, which is sized in accordance with FIGS. 4 and 5 so that even with coupled, and thereby extending beyond the peripheral edge of the ink tank 11 away extending ink cartridge 10 and 13, a sufficient stability is ensured ,
  • the wick 20 of the ink tank 11 is formed so that it extends to the bottom of the ink tank 11 out. It is held in position within a fluid-permeable cage 30, preferably also extending to the bottom of the ink container 30.
  • the cage 30 for the wick 20 has in the illustrated embodiment 4 evenly distributed over the circumference, integral with the top 22 of the ink container 11 connected vertical webs 31, which keep the wick 20 centered within the opening 18.
  • FIG. 2 shows that the wick 20 of the ink tank 11 and the Tintenf ⁇ ll- or pressure equalization opening 29 are sealed by a peelable adhesive strip 14.
  • the adhesive strip 14 is within one, here the wider receiving groove 25 for an ink cartridge (here ink cartridge 13 as shown in FIG.
  • FIG. 7 differs from that of FIGS. 1 to 5 in that the container 11 has a truncated cone-shaped basic structure.
  • the embodiment according to FIG. 6 has a lenticular basic structure.
  • Floor 21 is accordingly also formed cup-shaped.
  • at least three ribs which are arranged uniformly over the circumference are formed on the bottom 21, the horizontal lower edges of which define the base surface.
  • ink cartridges with integrated printhead can be refilled through the nozzles associated with the printhead, which are in fluid communication directly with the ink storage element (s) within the ink cartridge.
  • the mentioned nozzles are directly on the free end face of the wick 20 at.
  • the nozzles themselves act as capillary channels.
  • the ink container 11 is preferably made of transparent material, in particular plastic. In this case, it can be determined very well whether the ink tank 11 is still filled with ink and, if so, what color the ink has.
  • the ink container 11 consists of two parts, namely the upper housing part 22 and the bottom 21. These two parts are welded together before filling, at the edge.
  • Screw cap 36 has circumferentially rotary latch elements 39, which engage under the formation of a bayonet closure container-side groove elements 40.
  • the rotary latch elements are formed relative to the lid center axis diametrically on the outer circumference of the lid 36, within peripheral recesses 41.
  • the complementary groove elements 40 are formed within a formed on the top of the container 11 cup-shaped recess 42 for the cover 36, specifically within concrete After filling of the container 11 through the opening 29 through the lid 36 is inserted into the recess 42, in such a way that the container-side projections 43 dive into the recesses 41 on the cover 36. Subsequently, the lid 36 is rotated in the clockwise direction, so that the rotary latch members 39 engage in the grooves 40 and hold the lid 36 in the closed position.
  • sealing elements 37, 38 are formed or arranged according to FIG., which consist of soft elastic, in particular elastomeric material. These sealing elements are associated with the opening 18 and the opening 29 on the one hand.
  • the aforementioned sealing elements comprise the container opening 18 and vent opening 29 each sealing lips surrounding annularly. At least these sealing lips are made of the aforementioned soft elastic material.
  • sealing element 38 opposite, and relative to the central axis of the central sealing element 37 opposite, is still a sealing element 38 corresponding element 44 is arranged, which, however, serves only as a support element, so that the
  • the support member 44 which is formed in the illustrated embodiment as well as the sealing element 38, keeps the lid 36 in the closed position horizontally within the recess 42, so that the sealing element 38 and the sealing element 38 defining annular sealing lip in the closed position of the lid 36, the vent opening 29 surrounds fluid-tight, ie without canting against the vent opening 29.
  • the support member 44 may of course be designed differently, e.g. od as a wart-like projection. Like. It has only support function and no sealing function.
  • FIGS. 8 and 9 clearly show that the center axis of the container opening 18 is aligned with the center axis of the lid 36 in the closed position thereof, so that upon rotation of the lid 36 out of the closed position, i. in the direction of arrow 45, first the vent opening 29 is opened, before then the lid on further rotation in this direction is completely removable or removable. In this way it is reliably prevented that through the vent opening 29th
  • a protruding tab 46 is arranged on the upper side of the lid 36 as a handle for rotating the lid in the closed or open position, in particular integrally formed. All disclosed in the application documents features are claimed as essential to the invention, as far as they are new individually or in combination over the prior art.

Landscapes

  • Ink Jet (AREA)

Abstract

Dispositif pour recharger une cartouche d'encre (10 ou 13) pour une imprimante à jet d'encre avec une tête d'impression comprenant des buses ou avec une ouverture de sortie d'encre (16) pouvant être accouplée à l'alimentation en encre d'une tête à jet d'encre. Les buses de la tête d'impression sont fluidiquement directement reliées à - ou dans le cas d'une ouverture de sortie d'encre (16) pouvant être accouplée à l'alimentation en encre d'une tête à jet d'encre, celle-ci est fluidiquement reliée par l'intermédiaire d'une mèche à - un élément accumulateur d'encre (17) disposé à l'intérieur de la cartouche d'encre (10 ou 13) et constitué par exemple d'un matériau aspirant. Ce dispositif comprend un réservoir (11) rempli d'encre et est pourvu d'une ouverture (18) dans laquelle se trouve un élément capillaire (mèche 20) immergé dans l'encre (19) et pouvant être amené en contact avec l'élément accumulateur d'encre (17) de la cartouche d'encre (10 ou 13).
EP07819788A 2006-12-04 2007-11-13 Dispositif pour recharger une cartouche d'encre pour une imprimante à jet d'encre Withdrawn EP2121331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006057090A DE102006057090A1 (de) 2006-12-04 2006-12-04 Vorrichtung zur Wiederbefüllung einer Tintenpatrone für einen Tintenstrahldrucker
PCT/EP2007/009808 WO2008067897A1 (fr) 2006-12-04 2007-11-13 Dispositif pour recharger une cartouche d'encre pour une imprimante à jet d'encre

Publications (1)

Publication Number Publication Date
EP2121331A1 true EP2121331A1 (fr) 2009-11-25

Family

ID=39048992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07819788A Withdrawn EP2121331A1 (fr) 2006-12-04 2007-11-13 Dispositif pour recharger une cartouche d'encre pour une imprimante à jet d'encre

Country Status (6)

Country Link
US (1) US20100214375A1 (fr)
EP (1) EP2121331A1 (fr)
JP (1) JP2010511528A (fr)
CN (1) CN101573238A (fr)
DE (1) DE102006057090A1 (fr)
WO (1) WO2008067897A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008025721A1 (de) * 2008-05-15 2009-11-19 Pelikan Hardcopy Production Ag Vorrichtung und Verfahren zur Wiederbefüllung einer Tintenpatrone für einen Tintenstrahldrucker
CN201685529U (zh) * 2010-05-12 2010-12-29 珠海纳思达企业管理有限公司 墨盒填充装置
CN102371767B (zh) * 2010-08-12 2014-06-25 珠海纳思达企业管理有限公司 一种负压式墨盒填充装置、系统及填充方法
US11472219B2 (en) * 2020-04-28 2022-10-18 Crayola Llc Wicking nib device and system
JP2023524545A (ja) * 2020-05-26 2023-06-12 ジュハイ ナインスター マネージメント カンパニー リミテッド インク容器及びインク充填装置
CN112193448B (zh) * 2020-10-23 2022-04-26 中山持续科技有限公司 一种环保型碳粉添加装置

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IT1250519B (it) * 1991-10-10 1995-04-08 Olivetti & Co Spa Dispositivo per il rifornimento dell'inchiostro a una testina di stampa a getto d'inchiostro e relativo metodo di rifornimento.
DE9207098U1 (de) * 1992-05-26 1993-12-23 Honasco Kunststoff Tech Gmbh Vorrichtung zum Nachfüllen von Schreibgeräten
IT1258135B (it) * 1992-12-28 1996-02-20 Olivetti Canon Ind Spa Dispositivo per conservare e mantenere rifornite d'inchiostro le cartucce di una stampante a getto d'inchiostro.
IT1261876B (it) * 1993-09-23 1996-06-03 Olivetti Canon Ind Spa Modulo di stampa a getto di inchiostro ricaricabile
JP3219609B2 (ja) * 1993-11-29 2001-10-15 キヤノン株式会社 インク再充填器及びインク再充填方法
DE9401654U1 (de) * 1994-01-29 1994-04-07 Staedtler Fa J S Behälter zum Nachfüllen von Tusche- oder Tintenschreibgeräten
US5734400A (en) * 1995-10-31 1998-03-31 Brunetti; Bruce W. Method and apparatus for refilling ink jet unit printer cartridges
US6048054A (en) * 1996-08-29 2000-04-11 Mitsubishi Pencil Kabushiki Kaisha Ink replenishing apparatus and ink replenishing method for ink-jet printing ink cartridge
ITTO20030303A1 (it) * 2003-04-17 2004-10-18 Tecnost Sistemi S P A Stazione di custodia e rifornimento di inchiostro di
DE20309501U1 (de) * 2003-06-18 2004-07-29 Data Becker Gmbh & Co. Kg Tintenpatronenhalterung

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Title
See references of WO2008067897A1 *

Also Published As

Publication number Publication date
WO2008067897A1 (fr) 2008-06-12
CN101573238A (zh) 2009-11-04
DE102006057090A1 (de) 2008-06-05
US20100214375A1 (en) 2010-08-26
JP2010511528A (ja) 2010-04-15

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