EP1645418B1 - Adaptateur pour recevoir un réservoir d'encre et dispositif de stockage d'encre - Google Patents

Adaptateur pour recevoir un réservoir d'encre et dispositif de stockage d'encre Download PDF

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Publication number
EP1645418B1
EP1645418B1 EP04024157A EP04024157A EP1645418B1 EP 1645418 B1 EP1645418 B1 EP 1645418B1 EP 04024157 A EP04024157 A EP 04024157A EP 04024157 A EP04024157 A EP 04024157A EP 1645418 B1 EP1645418 B1 EP 1645418B1
Authority
EP
European Patent Office
Prior art keywords
adapter
ink
ink cartridge
sealing
filter element
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.)
Not-in-force
Application number
EP04024157A
Other languages
German (de)
English (en)
Other versions
EP1645418A1 (fr
Inventor
Martin Steiger
Richard Keller
Felix Nobel
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.)
3T Supplies AG
Original Assignee
3T Supplies 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 3T Supplies AG filed Critical 3T Supplies AG
Priority to EP04024157A priority Critical patent/EP1645418B1/fr
Priority to AT04024157T priority patent/ATE552979T1/de
Priority to ES04024157T priority patent/ES2382077T3/es
Publication of EP1645418A1 publication Critical patent/EP1645418A1/fr
Application granted granted Critical
Publication of EP1645418B1 publication Critical patent/EP1645418B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B41J2/17563—Ink filters

Definitions

  • the invention relates to an adapter for receiving an ink cartridge and an ink storage unit, which consists of such an adapter and an ink cartridge.
  • An adapter according to the invention may e.g. Be part of an ink jet print head and include a nozzle plate with nozzle openings or even part of a plotter, but other applications are possible.
  • Another adapter for receiving an ink cartridge is from the US 5552816 A known.
  • This adapter has a case open in the insertion direction, wherein a cylindrical Tintenauslassteil is inserted into an opening in the bottom surface and protrudes into the receiving area for the ink cartridge.
  • a disc-shaped porous filter layer is provided at the upper end of the cylindrical Tintenauslassteils.
  • the ink cartridge is inserted into the accommodating portion of the adapter such that the cylindrical ink outlet portion engages a sleeve-like ink outlet port of the cartridge, and the filter layer abuts against a sponge-like ink storage body accommodated in the ink cartridge.
  • JP-A-2004/174833 discloses a filter element which is surrounded by a frame surface and with a receiving opening covering and there liquid-permeable filter element which overlaps with the frame surface.
  • the invention is based on the object to provide a generic adapter, in which an ink cartridge is easily used, but doing a liquid-tight connection between the adapter and the ink cartridge is ensured, which reliably prevents leakage of ink.
  • This object is solved by the features in the characterizing part of claim 1.
  • the inventive adapter is designed so that a suitable ink cartridge can be inserted easily and without difficulty and at the same time creates a tight connection between the ink outlet of the ink cartridge and the receiving opening of the adapter, so that leakage of ink into the surrounding area of the adapter not is possible.
  • an ink storage unit having an adapter and an ink cartridge suitable for use therewith.
  • the ink storage unit comprises an adapter 1 according to the invention which consists essentially of a relatively stiff plastic, eg glass fiber reinforced PET, and an ink cartridge 2.
  • the adapter 1 has a compartment open on one side for receiving the ink cartridge 2.
  • Fig. 1 only that part of the adapter 1 is shown, which forms the bottom of the tray with a square receiving opening 3 for ink, which is surrounded by a frame 4.
  • the frame 4 forms a flat frame surface 5 facing the tray, which the receiving opening 3 surrounds.
  • the receiving opening 3 is closed by a filter element 6 which overlaps with the frame surface 5 and projects slightly beyond its outer edge.
  • the filter element 6 consists essentially of a flat piece 7 of liquid permeable, but for particles of a certain size impermeable material, which is preferably a metallic random web, but also a sieve-like mesh, for example of metal wire, may be.
  • the filter element 6 serves on the one hand to prevent ink from flowing out of the receiving opening 3 when the ink cartridge 2 is removed from the compartment and on the other hand as protection against contamination of the ink path, in particular it holds back larger particles, for example, clog the nozzle openings of a printhead could.
  • the ink cartridge 2 comprises a housing 8 made of plastic, for example polypropylene on with a top of a ventilation opening 9, which surrounds a chamber which is filled by an ink-soaked storage body 10 made of open-cell foam.
  • the housing 8 On the flat underside, the housing 8 has an opening into which a sealing element 11 made of a relatively soft elastic material, for example a thermoplastic elastomer is used. It comprises a ring 12, whose outer side abuts the edge of the opening and which surrounds an ink outlet 13. To the ring 12 adjoins an approximately square plate 14 abutting the outside of the housing 8 and on the inside a circumferential collar 15, which engages over the edge of the opening, so that the sealing element 11 is reliably held on the housing 8.
  • a sealing element 11 made of a relatively soft elastic material, for example a thermoplastic elastomer
  • the ink outlet 13 is completely filled by a directly adjoining the storage body 10 guide element 16, which as a plug of porous, permeable material is formed and in particular may consist of open-cell foam or parallel fibers such as polyester.
  • the guide element 16 projects slightly beyond the plate 14, so that it touches the outside of the flat piece 7.
  • the filter element 6 In order to prevent lateral leakage of ink through the filter element 6 has the same in its edge region closed circumferential barrier zone 17, in which the sheet 7 is completely saturated by a sealant 18, a cured adhesive, such that there liquid-tight, so for ink impenetrable.
  • the blocking zone 17 covers the area at which the filter element 6 bears against the frame surface 5, so that the sealing compound 18 simultaneously produces a tight adhesive bond between the filter element 6 and the frame 4 there.
  • the flat piece 7 is covered in the region of the blocking zone 17 on the outside by a sealing layer 19, which consists of a first, directly applied to the impregnated by the sealant 18 sheet 7 layer of hot melt adhesive 20 and thereon a film strip 21 made of polyester, a relatively hard and smooth sealing surface 22 forms on the outside of the filter element 6 facing the compartment.
  • the plate 14 on the ink cartridge 2 has on its underside a circumferential, slightly projecting contact web 23, whose surface is one of the barrier zone 17th and in particular the sealing layer 19 opposite closed circumferential contact area forms. It is of triangular cross-section, with a contact edge 24 which presses against the sealing surface 22. Since the material of the sealing element 11 is softer than the sealing surface 22, the contact web 23 is elastically deformed in the vicinity of the contact edge 24 and is firmly against the outside of the filter element 6. The connection between the sealing member 11 and the filter element 6 is therefore liquid impermeable there and leakage of ink between these parts reliably prevented.
  • the contact land may also be other than triangular, e.g. have rectangular cross-section.
  • the sealant layer can also be applied by immediately applying the curable adhesive applied to form the barrier layer in sufficient quantity.
  • the sealing layer which in turn forms a hard and comparatively smooth sealing surface with corresponding properties of the adhesive can be flat or also bead-like convex.
  • On the ink cartridge in turn is a softer elastic, closed around the ink outlet peripheral contact area opposite, which is again formed as a projecting contact web or as a flat contact surface against which the sealing surface presses. The plate can then be formed or flat as described.
  • the sealing surface may also be elastic and rather soft, be it that it is made of a relatively soft elastic hardenable adhesive, which in turn also soaks through the filter element in the barrier zone is formed or by a separate soft-elastic sealing layer.
  • the contact region surrounding the ink outlet can then be designed as a hard contact surface or as a hard contact web preferably formed on the housing, which can also form a contact edge.
  • the softer sealing surface is elastically deformed.
  • the adapter according to the invention can have a plurality of receiving openings, which are arranged in the same compartment or in different compartments, so that it can hold an ink cartridge with a plurality of chambers and ink outlets or even several ink cartridges.
  • ink has been cited as a practically particularly important example, but the adapter of the invention and the storage unit according to the invention can also be used with liquids which are not inks in the strict sense, e.g. Liquids, as used in photographic processes, in the processing of printed circuit boards, etc.

Landscapes

  • Ink Jet (AREA)

Claims (18)

  1. Adaptateur (1) de réception d'une cartouche (2) d'encre, cet adaptateur comportant :
    une ouverture (3) de réception d'encre qui est entourée d'un cadre (4), et
    un élément (6) filtrant recouvrant l'ouverture (3) de réception et y étant perméable au liquide qui est à chevauchement avec une surface (5) du cadre,
    caractérisé en ce que l'élément (6) filtrant comporte une zone (17) d'arrêt faisant le tour, fermée dans la partie de chevauchement par la surface (5) du cadre et dans laquelle il est étanche au liquide et une face extérieure contre laquelle une partie de contact de la cartouche d'encre permet, lorsque celle-ci est insérée dans l'adaptateur, de ménager une liaison imperméable au liquide.
  2. Adaptateur suivant la revendication 1, caractérisé en ce que l'élément (6) filtrant est relié au cadre (4) d'une manière étanche dans la partie de la zone (17) d'arrêt, en y étant de préférence collé.
  3. Adaptateur suivant la revendication 1 ou 2, caractérisé en ce que l'élément (6) filtrant est constitué essentiellement sous la forme d'une pièce (7) plate en matière poreuse, qui est imprégnée d'une masse (18) d'étanchéité dans la zone (17) d'arrêt.
  4. Adaptateur suivant la revendication 3, caractérisé en ce que la masse (18) d'étanchéité est une colle durcie.
  5. Adaptateur suivant la revendication 3 ou 4, caractérisé en ce que la matière poreuse est un matelas, de préférence un matelas métallique emmêlé ou une toile, de préférence métallique, de type en tamis.
  6. Adaptateur suivant l'une des revendications 1 à 5, caractérisé en ce que l'élément (6) filtrant comporte dans la partie de la zone (17) d'arrêt une surface (22) d'étanchéité lisse sur la face extérieure.
  7. Adaptateur suivant la revendication 6, caractérisé en ce que l'élément (6) filtrant comprend une couche (19) d'étanchéité qui forme la surface (22) d'étanchéité.
  8. Adaptateur suivant la revendication 7, caractérisé en ce que la surface (22) d'étanchéité est dure.
  9. Adaptateur suivant la revendication 8, caractérisé en ce que la couche (19) d'étanchéité comprend une strate de colle (20) fusible.
  10. Adaptateur suivant la revendication 8 ou 9, caractérisé en ce que la couche (19) d'étanchéité comprend une bande (21) en feuille de préférence en polyester, qui forme la surface (22) d'étanchéité.
  11. Adaptateur suivant l'une des revendications 6 ou 7, caractérisé en ce que la surface (22) d'étanchéité est tendre et élastique.
  12. Adaptateur suivant la revendication 7, 8 ou 11, caractérisé en ce que la couche (19) d'étanchéité est en une masse d'étanchéité.
  13. Unité d'emmagasinage d'encre comprenant
    un adaptateur (1) suivant l'une des revendications 1 à 12, et
    une cartouche (2) d'encre pouvant être insérée dans l'adaptateur (1),
    la cartouche (2) d'encre ayant un boîtier (8), qui est pourvu d'une sortie (13) d'encre, qui est disposé sur sa surface, qui est garni d'un élément (16) de conduite et qui est entouré d'une partie de contact fermée et faisant tout le tour, laquelle, lorsque l'adaptateur (1) est à l'état inséré dans la partie de la zone (17) d'arrêt, appuie sur la face extérieure de l'élément (6) filtrant et ménage une liaison imperméable au liquide.
  14. Unité d'emmagasinage d'encre suivant la revendication 13, comprenant un adaptateur (1) suivant l'une des revendications 6 à 10, caractérisée en ce que la partie de contact se trouve sur une baguette (23) de contact qui fait tout le tour et qui est en un matériau plus tendre que la surface (22) d'étanchéité de sorte que la baguette (23) de contact est déformable élastiquement lorsque la cartouche (2) d'encre est insérée dans l'adaptateur (1).
  15. Unité d'emmagasinage d'encre suivant la revendication 14, caractérisée en ce que la baguette (23) de contact a une arête (24) de contact, qui appuie sur la surface (22) d'étanchéité.
  16. Unité d'emmagasinage d'encre suivant la revendication 14 ou 15, caractérisée en ce que la sortie (13) traverse un élément (11) d'étanchéité, inséré dans une ouverture du boîtier (18) de la cartouche (2) d'encre, et portant la baguette (23) de contact sur son côté extérieur.
  17. Unité d'emmagasinage d'encre suivant la revendication 13, comprenant un adaptateur suivant la revendication 11, caractérisée en ce que la partie de contact comprend une baguette de contact, qui fait tout le tour, qui a de préférence une arête de contact et qui est en un matériau plus dure que la surface d'étanchéité de sorte que celle-ci est déformable élastiquement lorsque la cartouche (2) d'encre est insérée dans l'adaptateur (1).
  18. Unité d'emmagasinage d'encre suivant la revendication 17, caractérisée en ce que la baguette de contact est formée sur le boîtier de la cartouche d'encre.
EP04024157A 2004-10-11 2004-10-11 Adaptateur pour recevoir un réservoir d'encre et dispositif de stockage d'encre Not-in-force EP1645418B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04024157A EP1645418B1 (fr) 2004-10-11 2004-10-11 Adaptateur pour recevoir un réservoir d'encre et dispositif de stockage d'encre
AT04024157T ATE552979T1 (de) 2004-10-11 2004-10-11 Adapter zur aufnahme einer tintenpatrone und tintenspeichereinheit
ES04024157T ES2382077T3 (es) 2004-10-11 2004-10-11 Adaptador para alojamiento de un cartucho de tinta y unidad de almacenamiento de tinta

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04024157A EP1645418B1 (fr) 2004-10-11 2004-10-11 Adaptateur pour recevoir un réservoir d'encre et dispositif de stockage d'encre

Publications (2)

Publication Number Publication Date
EP1645418A1 EP1645418A1 (fr) 2006-04-12
EP1645418B1 true EP1645418B1 (fr) 2012-04-11

Family

ID=34926932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024157A Not-in-force EP1645418B1 (fr) 2004-10-11 2004-10-11 Adaptateur pour recevoir un réservoir d'encre et dispositif de stockage d'encre

Country Status (3)

Country Link
EP (1) EP1645418B1 (fr)
AT (1) ATE552979T1 (fr)
ES (1) ES2382077T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2962044B2 (ja) * 1992-05-29 1999-10-12 富士ゼロックス株式会社 インクタンク、インクジェットカートリッジ、及びインクジェット記録装置
ATE290468T1 (de) 1993-07-20 2005-03-15 Canon Kk Tintenstrahlaufzeichnungsgerät, welches eine farbkartusche mit einem tinteninduzierenden element verwendet
DE29507743U1 (de) 1995-05-10 1996-09-12 Pelikan Produktions Ag, Egg Druckkopf für einen Ink-Jet-Printer
US6398354B1 (en) * 1999-06-30 2002-06-04 Lexmark International, Inc. Printhead apparatus and printer having separate filtration device and method for attaching said device
JP2004174833A (ja) * 2002-11-26 2004-06-24 Seiko Epson Corp 液体噴射ヘッドおよびその製造方法
JP2004268454A (ja) * 2003-03-10 2004-09-30 Brother Ind Ltd インクジェットヘッド

Also Published As

Publication number Publication date
ES2382077T3 (es) 2012-06-05
EP1645418A1 (fr) 2006-04-12
ATE552979T1 (de) 2012-04-15

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