EP1645418A1 - Adapter for receiving an ink reservoir and ink storage device - Google Patents

Adapter for receiving an ink reservoir and ink storage device Download PDF

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Publication number
EP1645418A1
EP1645418A1 EP04024157A EP04024157A EP1645418A1 EP 1645418 A1 EP1645418 A1 EP 1645418A1 EP 04024157 A EP04024157 A EP 04024157A EP 04024157 A EP04024157 A EP 04024157A EP 1645418 A1 EP1645418 A1 EP 1645418A1
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EP
European Patent Office
Prior art keywords
adapter
ink
sealing
filter element
adapter according
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
EP04024157A
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German (de)
French (fr)
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EP1645418B1 (en
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
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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 AT04024157T priority Critical patent/ATE552979T1/en
Priority to EP04024157A priority patent/EP1645418B1/en
Priority to ES04024157T priority patent/ES2382077T3/en
Publication of EP1645418A1 publication Critical patent/EP1645418A1/en
Application granted granted Critical
Publication of EP1645418B1 publication Critical patent/EP1645418B1/en
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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.
  • the invention is based on the object to provide a generic adapter in which the ink cartridge is easily used, but a 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, such as 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, such as 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.

Abstract

The adapter (1) for an ink cartridge comprises a filter element (6) which in the frame overlap region incorporates a barrier zone (17) not letting through liquids. An independent claim is also included for an ink holding unit with the proposed adapter.

Description

Technisches GebietTechnical area

Die Erfindung betrifft einen Adapter zur Aufnahme einer Tintenpatrone sowie eine Tintenspeichereinheit, welche aus einem derartigen Adapter und einer Tintenpatrone besteht. Ein erfindungsgemässer Adapter kann z.B. Teil eines Tintenstrahldruckkopfs sein und eine Düsenplatte mit Düsenöffnungen umfassen oder auch Teil eines Plotters, doch sind auch andere Anwendungen möglich.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.

Stand der TechnikState of the art

Aus US 5 784 088 A ist ein gattungsgemässer Adapter bekannt, bei welchem die Aufnahmeöffnung am Ende eines Stutzens angeordnet ist, welcher in eine Oeffnung der Tintenpatrone eingeführt wird. An der Basis des Stutzens ist eine umlaufende Dichtung angeordnet. Ein ähnlich ausgebildeter Adapter, bei dem eine Dichtung an der Aussenseite des Stutzens angeordnet ist, ist aus US 5 767 881 A bekannt. Bei diesen Ausführungen ist stets das Einsetzen der Tintenpatrone dadurch erschwert, dass gleichzeitig der Stutzen in die Oeffnung derselben eingeführt werden muss.From US 5,784,088 A a generic adapter is known in which the receiving opening is arranged at the end of a nozzle, which is inserted into an opening of the ink cartridge. At the base of the nozzle, a circumferential seal is arranged. A similar trained adapter, in which a seal is arranged on the outside of the nozzle, is known from US 5,767,881 A. In these embodiments, the insertion of the ink cartridge is always difficult because at the same time the nozzle must be inserted into the opening of the same.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zu Grunde, einen gattungsgemässen Adapter anzugeben, in welchen die Tintenpatrone problemlos einsetzbar ist, dabei aber eine dichte Verbindung zwischen dem Adapter und der Tintenpatrone sichergestellt ist, die ein Austreten von Tinte sicher unterbindet. Diese Aufgabe wird durch die Merkmale im Kennzeichen des Anspruchs 1 gelöst. Der erfindungsgemässe Adapter ist so ausgebildet, dass eine geeignete Tintenpatrone einfach und ohne Schwierigkeiten eingeschoben werden kann und zugleich eine nach aussen dichte Verbindung zwischen dem Tintenauslass der Tintenpatrone und der Aufnahmeöffnung des Adapters entsteht, so dass ein Austreten von Tinte in den umgebenden Bereich des Adapters nicht möglich ist. Ausserdem wird eine Tintenspeichereinheit mit einem Adapter und einer zum Einsatz mit demselben geeigneten Tintenpatrone angegeben.The invention is based on the object to provide a generic adapter in which the ink cartridge is easily used, but a 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. There is also provided an ink storage unit having an adapter and an ink cartridge suitable for use therewith.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Im folgenden wird die Erfindung anhand einer Figur, welche lediglich ein Ausführungsbeispiel darstellt, näher erläutert.

Fig. 1
zeigt einen teilweisen Längsschnitt durch eine erfindungsgemässe Tintenspeichereinheit.
In the following the invention with reference to a figure, which represents only one embodiment, explained in more detail.
Fig. 1
shows a partial longitudinal section through an inventive ink storage unit.

Wege zur Ausführung der ErfindungWays to carry out the invention

Die erfindungsgemässe Tintenspeichereinheit umfasst einen erfindungsgemässen Adapter 1, der im wesentlichen aus einem verhältnismässig steifen Kunststoff, z.B. glasfaserverstärktem PET besteht, und eine Tintenpatrone 2. Der Adapter 1 weist ein auf einer Seite offenes Fach zur Aufnahme der Tintenpatrone 2 auf. In Fig. 1 ist nur jener Teil des Adapters 1 dargestellt, der den Grund des Fachs bildet mit einer quadratischen Aufnahmeöffnung 3 für Tinte, welche von einem Rahmen 4 umgeben ist. Der Rahmen 4 bildet eine gegen das Fach weisende ebene Rahmenfläche 5, welche die Auffnahmeöffnung 3 umgibt. Die Aufnahmeöffnung 3 ist durch ein Filterelement 6 verschlossen, welches mit der Rahmenfläche 5 überlappt und etwas über deren Aussenrand übersteht. Das Filterelement 6 besteht im wesentlichen aus einem Flachstück 7 aus flüssigkeitsdurchlässigem, aber für Partikel ab einer bestimmten Grösse undurchlässigem Material, das vorzugsweise ein metallisches Wirrvlies ist, doch auch ein siebartiges Gitter, z.B. aus Metalldraht, sein kann. Das Filterelement 6 dient einerseits dazu, zu verhindern, dass Tinte aus der Aufnahmeöffnung 3 ausfliesst, wenn die Tintenpatrone 2 aus dem Fach entfernt wird und andererseits als Schutz vor Verunreinigungen des Tintenpfads, insbesondere hält es grössere Partikel zurück, die z.B. die Düsenöffnungen eines Druckkopfs verstopfen könnten.The ink storage unit according to the invention 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. In 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.

Die Tintenpatrone 2 weist ein Gehäuse 8 aus Kunststoff, z.B. Polypropylen auf mit an einer Oberseite einer Lüftungsöffnung 9, das eine Kammer umgibt, die von einem mit Tinte vollgesogenen Speicherkörper 10 aus offenporigem Schaumstoff ausgefüllt ist. An der flachen Unterseite weist das Gehäuse 8 eine Oeffnung auf, in welche ein Dichtungselement 11 aus einem verhältnismässig weichen elastischen Material, z.B. einem thermoplastischen Elastomer eingesetzt ist. Es umfasst einen Ring 12, dessen Aussenseite am Rand der Oeffnung anliegt und der einen Tintenauslass 13 umgibt. An den Ring 12 schliesst eine an der Aussenseite des Gehäuses 8 anliegende etwa quadratische Platte 14 an und an der Innenseite ein umlaufender Kragen 15, der den Rand der Oeffnung übergreift, so dass das Dichtungselement 11 zuverlässig am Gehäuse 8 festgehalten ist. Der Tintenauslass 13 ist von einem unmittelbar an den Speicherkörper 10 anschliessenden Leitelement 16 vollständig ausgefüllt, welches als Stopfen aus porösem, durchlässigem Material ausgebildet ist und insbesondere aus offenporigem Schaumstoff oder parallelen Fasern z.B. aus Polyester bestehen kann. Das Leitelement 16 steht etwas über die Platte 14 vor, so dass es die Aussenseite des Flachstücks 7 berührt.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. On the flat underside, the housing 8 has an opening into which a sealing element 11 made of a relatively soft elastic material, such as 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. 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.

Zwecks Unterbindung eines seitlichen Austretens von Tinte durch das Filterelement 6 weist dasselbe eine in seinem Randbereich geschlossen umlaufende Sperrzone 17 auf, in welcher das Flachstück 7 von einer Dichtmasse 18, einem ausgehärteten Kleber vollständig durchtränkt ist, derart, dass es dort flüssigkeitsdicht, also für Tinte undurchdringlich ist. Die Sperrzone 17 überdeckt den Bereich, an welchem das Filterelement 6 an der Rahmenfläche 5 anliegt, so dass die Dichtmasse 18 dort gleichzeitig eine dichte Klebeverbindung zwischen dem Filterelement 6 und dem Rahmen 4 herstellt.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.

Damit auch ein Austreten von Tinte zwischen dem Filterelement 6 und der Tintenpatrone 2, hier der Platte 14 des Dichtungselements 11 sicher verhindert wird, sind weitere Vorkehrungen getroffen. Das Flachstück 7 ist im Bereich der Sperrzone 17 an der Aussenseite von einer Abdichtschicht 19 bedeckt, welche aus einer ersten, direkt auf das von der Dichtmasse 18 durchtränkte Flachstück 7 aufgebrachten Lage aus Schmelzkleber 20 besteht und darauf einem Folienstreifen 21 aus Polyester, der eine verhältnismässig harte und glatte Abdichtfläche 22 an der dem Fach zugewandten Aussenseite des Filterelements 6 bildet.So that leakage of ink between the filter element 6 and the ink cartridge 2, here the plate 14 of the sealing member 11 is securely prevented, further precautions are taken. 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.

Die Platte 14 an der Tintenpatrone 2 weist an ihrer Unterseite einen umlaufenden, geringfügig vorstehenden Kontaktsteg 23 auf, dessen Oberfläche einen der Sperrzone 17 und insbesondere der Abdichtschicht 19 gegenüberliegenden geschlossen umlaufenden Kontaktbereich bildet. Er ist von dreieckigem Querschnitt, mit einer Kontaktkante 24, die gegen die Abdichtfläche 22 drückt. Da das Material des Dichtungselements 11 weicher ist als die Abdichtfläche 22, wird der Kontaktsteg 23 dabei in der Umgebung der Kontaktkante 24 elastisch deformiert und liegt fest an der Aussenseite des Filterelements 6 an. Die Verbindung zwischen dem Dichtungselement 11 und dem Filterelement 6 ist daher dort flüssigkeitsundurchlässig und ein Austreten von Tinte zwischen diesen Teilen zuverlässig unterbunden.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.

Der Kontaktsteg kann auch anderen als dreieckigen, z.B. rechteckigen Querschnitt haben. Die Abdichtschicht kann auch angelegt werden, indem der zur Bildung der Sperrschicht aufgebrachte aushärtbare Kleber gleich in dazu ausreichender Menge aufgetragen wird. Die bei entsprechenden Eigenschaften des Klebers wiederum eine harte und verhältnismässig glatte Abdichtfläche bildende Abdichtschicht kann dabei eben oder auch wulstartig konvex sein. An der Tintenpatrone liegt ihr wiederum ein weicherer elastischer, geschlossen um den Tintenauslass umlaufender Kontaktbereich gegenüber, der wieder als vorstehender Kontaktsteg bzw. als ebene Kontaktfläche ausgebildet ist, gegen welche die Abdichtfläche drückt. Die Platte kann dann wie beschrieben ausgebildet bzw. flach sein.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.

Bei den bisher beschriebenen Lösungen erfolgt die Abdichtung zwischen einer harten Abdichtfläche auf der Seite des Adapters und einem weichen, d.h. jedenfalls weicheren Kontaktbereich an der Tintenpatrone. Alternativ dazu kann aber auch die Abdichtfläche elastisch und eher weich ausgebildet sein, sei es, dass sie von einem verhältnismässig weichen elastischen aushärtbaren Kleber, der wiederum auch das Filterelement in der Sperrzone durchtränkt, gebildet wird oder von einer separaten weichelastischen Abdichtschicht. Der den Tintenauslass umgebende Kontaktbereich kann dann als harte Kontaktfläche oder als vorzugsweise am Gehäuse angeformter harter Kontaktsteg ausgebildet sein, der auch eine Kontaktkante bilden kann. In diesem Fall ist die weichere Abdichtfläche elastisch deformiert. In jedem Fall hat es sich als günstig erwiesen, auf der einen Seite ein weicheres Material vorzusehen, mit einer Shore-Härte zwischen 30 und 50, vorzugsweise ungefähr 40 und auf der anderen Seite ein deutlich härteres Material, z.B. mit einer Shore-Härte von ca. 100.In the solutions described so far, the seal between a hard sealing surface on the side of the adapter and a soft, ie at least softer contact area on the ink cartridge is done. Alternatively, however, 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. In this case, the softer sealing surface is elastically deformed. In any case, it has proven to be advantageous to provide on the one hand a softer material, with a Shore hardness between 30 and 50, preferably about 40 and on the other hand, a significantly harder material, eg with a Shore hardness of approx 100.

In allen beschriebenen Fällen ist der Tintenpfad zuverlässig abgedichtet und es besteht keine Gefahr eines Austretens von Tinte in das Fach des Adapters. Es sind natürlich verschiedene Abwandlungen möglich, ohne dass das Gebiet der Erfindung verlassen würde. So kann der erfindungsgemässe Adapter mehrere Aufahmeöffnungen aufweisen, welche im gleichen Fach oder in verschiedenen Fächern angeordnet sind, so dass er eine Tintenpatrone mit mehreren Kammern und Tintenauslässen aufnehmen kann oder auch mehrere Tintenpatronen. Tinte ist vor allem als praktisch besonders wichtiges Beispiel angeführt worden, doch können der erfindungsgemässe Adapter und die erfindungsgemässe Speichereinheit auch mit Flüssigkeiten verwendet werden, die nicht Tinten im engeren Sinne sind, z.B. Flüssigkeiten, wie sie in photographischen Verfahren, bei der Bearbeitung von Leiterplatten usw. eingesetzt werden.In all cases described, the ink path is reliably sealed and there is no danger of ink leaking into the compartment of the adapter. Of course, various modifications are possible without departing from the scope of the invention. Thus, 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. In particular, 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.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Adapteradapter
22
Tintenpatroneink cartridge
33
Aufnahmeöffnungreceiving opening
44
Rahmenframe
55
Rahmenflächeframe surface
66
Filterelementfilter element
77
Flachstücksheet
88th
Gehäusecasing
99
Lüftungsöffnungvent
1010
Speicherkörperstorage body
1111
Dichtungselementsealing element
1212
Ringring
1313
Tintenauslassink outlet
1414
Platteplate
1515
Kragencollar
1616
Leitelementvane
1717
Sperrzoneexclusion zone
1818
Dichtmassesealant
1919
Abdichtschichtsealing layer
2020
Schmelzklebermelt adhesive
2121
Folienstreifenfilm strips
2222
Abdichtflächesealing
2323
Kontaktstegcontact web
2424
Kontaktkantecontact edge

Claims (18)

Adapter (1) zur Aufnahme einer Tintenpatrone (2), mit einer Aufnahmeöffnung (3) für Tinte, welche von einer Rahmenfläche (5) umgeben ist sowie mit einem die Aufnahmeöffnung (3) bedeckenden und dort flüssigkeitsdurchlässigen Filterelement (6), das mit der Rahmenfläche (5) überlappt, dadurch gekennzeichnet, dass das Filterelement (6) eine im Ueberlappungsbereich mit dem Rahmen (4) geschlossen umlaufende Sperrzone (17) aufweist, in welcher es flüssigkeitsdicht ist.Adapter (1) for receiving an ink cartridge (2), with a receiving opening (3) for ink, which is surrounded by a frame surface (5) and with a receiving opening (3) covering and there liquid permeable filter element (6) with the Frame surface (5) overlapped, characterized in that the filter element (6) in the overlapping region with the frame (4) closed circumferential locking zone (17), in which it is liquid-tight. Adapter nach Anspruch 1, dadurch gekennzeichnet, dass das Filterelement (6) im Bereich der Sperrzone (17) dicht mit dem Rahmen (4) verbunden, vorzugsweise verklebt ist.Adapter according to claim 1, characterized in that the filter element (6) in the region of the blocking zone (17) is connected tightly to the frame (4), preferably glued. Adapter nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Filterelement (6) im wesentlichen als Flachstück (7) aus porösem Material ausgebildet ist, welches in der Sperrzone (17) von einer Dichtmasse (18) durchtränkt ist.Adapter according to claim 1 or 2, characterized in that the filter element (6) is formed substantially as a flat piece (7) of porous material, which in the barrier zone (17) is impregnated by a sealing compound (18). Adapter nach Anspruch 3, dadurch gekennzeichnet, dass die Dichtmasse (18) ein ausgehärteter Kleber ist.Adapter according to claim 3, characterized in that the sealing compound (18) is a cured adhesive. Adapter nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass das poröse Material ein Vlies, vorzugsweise ein metallisches Wirrvlies oder ein vorzugsweise metallisches siebartiges Gewebe ist.Adapter according to claim 3 or 4, characterized in that the porous material is a non-woven, preferably a metallic random web or a preferably metallic sieve-like fabric. Adapter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Filterelement (6) im Bereich der Sperrzone (17) an der Aussenseite eine glatte Abdichtfläche (22) aufweist.Adapter according to one of claims 1 to 5, characterized in that the filter element (6) in the area the blocking zone (17) on the outside has a smooth sealing surface (22). Adapter nach Anspruch 6, dadurch gekennzeichnet, dass das Filterelement (6) eine Abdichtschicht (18) umfasst, welche die Abdichtfläche (22) bildet.Adapter according to claim 6, characterized in that the filter element (6) comprises a sealing layer (18) which forms the sealing surface (22). Adapter nach Anspruch 7, dadurch gekennzeichnet, dass die Abdichtfläche (22) hart ist.Adapter according to claim 7, characterized in that the sealing surface (22) is hard. Adapter nach Anspruch 8, dadurch gekennzeichnet, dass die Abdichtschicht (18) eine Lage Schmelzkleber (19) umfasst.Adapter according to claim 8, characterized in that the sealing layer (18) comprises a layer of hot melt adhesive (19). Adapter nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Abdichtschicht (18) einen Folienstreifen (20), vorzugsweise aus Polyester, umfasst, welcher die Abdichtfläche (22) bildet.Adapter according to claim 8 or 9, characterized in that the sealing layer (18) comprises a film strip (20), preferably made of polyester, which forms the sealing surface (22). Adapter nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass die Abdichtfläche weich und elastisch ist.Adapter according to one of claims 6 or 7, characterized in that the sealing surface is soft and elastic. Adapter nach Anspruch 7, 8 oder 11, dadurch gekennzeichnet, dass die Abdichtschicht aus Dichtmasse besteht.Adapter according to claim 7, 8 or 11, characterized in that the sealing layer consists of sealing compound. Tintenspeichereinheit mit einem Adapter (1) nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass sie eine in den Adapter (1) einsetzbare Tintenpatrone (2) umfasst mit einem Gehäuse (8), das mit einem an seiner Oberfläche angeordneten, von einem Leitelement (16) ausgefüllten Tintenauslass (13) versehen ist, welcher von einem geschlossen umlaufenden Kontaktbereich umgeben ist, der im Bereich der Sperrzone (17) gegen die Aussenseite des Filterelements (6) drückt.Ink storage unit having an adapter (1) according to one of claims 1 to 12, characterized in that it comprises an ink cartridge (2) insertable into the adapter (1), comprising a housing (8) arranged with a housing (8) arranged on its surface Guide element (16) filled ink outlet (13) is provided which of a closed circumferential Contact area is surrounded, which presses in the region of the blocking zone (17) against the outside of the filter element (6). Tintenspeichereinheit nach Anspruch 13, mit einem Adapter (1) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass der Kontaktbereich auf einem umlaufenden Kontaktsteg (23) liegt, welcher aus weicherem Material besteht als die Abdichtfläche (22), so dass der Kontaktsteg (23) elastisch deformiert ist.Ink storage unit according to claim 13, comprising an adapter (1) according to any one of claims 8 to 10, characterized in that the contact region is located on a peripheral contact web (23) which is made of a softer material than the sealing surface (22), so that the contact web (23) is elastically deformed. Tintenspeichereinheit nach Anspruch 14, dadurch gekennzeichnet, dass der Kontaktsteg (23) eine Kontaktkante (24) aufweist, welche gegen die Abdichtfläche (22) drückt.Ink storage unit according to claim 14, characterized in that the contact web (23) has a contact edge (24) which presses against the sealing surface (22). Tintenspeichereinheit nach Anspruch 14 oder 15, dadurch gekennzeichnet, dass der Tintenauslass (13) durch ein in eine Oeffnung des Gehäuses (8) der Tintenpatrone (2) eingesetztes Dichtungselement (11) verläuft, das an seiner Aussenseite den Kontaktsteg (23) trägt.Ink storage unit according to claim 14 or 15, characterized in that the ink outlet (13) extends through a sealing element (11) inserted into an opening of the housing (8) of the ink cartridge (2), which carries the contact web (23) on its outside. Tintenspeichereinheit nach Anspruch 13, mit einem Adapter nach Anspruch 11, dadurch gekennzeichnet, dass der Kontaktbereich einen umlaufende Kontaktsteg umfasst, welcher vorzugsweise eine Kontaktkante aufweist und aus härterem Material besteht als die Abdichtfläche, so dass dieselbe elastisch deformiert ist.Ink storage unit according to claim 13, with an adapter according to claim 11, characterized in that the contact region comprises a circumferential contact web, which preferably has a contact edge and made of a harder material than the sealing surface, so that it is elastically deformed. Tintenspeichereinheit nach Anspruch 17, dadurch gekennzeichnet, dass der Kontaktsteg am Gehäuse der Tintenpatrone angeformt ist.Ink storage unit according to claim 17, characterized in that the contact web is integrally formed on the housing of the ink cartridge.
EP04024157A 2004-10-11 2004-10-11 Adapter for receiving an ink reservoir and ink storage device Not-in-force EP1645418B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT04024157T ATE552979T1 (en) 2004-10-11 2004-10-11 ADAPTER FOR ACCOMMODATION OF AN INK CARTRIDGE AND INK STORAGE UNIT
EP04024157A EP1645418B1 (en) 2004-10-11 2004-10-11 Adapter for receiving an ink reservoir and ink storage device
ES04024157T ES2382077T3 (en) 2004-10-11 2004-10-11 Adapter for housing an ink cartridge and ink storage unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04024157A EP1645418B1 (en) 2004-10-11 2004-10-11 Adapter for receiving an ink reservoir and ink storage device

Publications (2)

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EP1645418A1 true EP1645418A1 (en) 2006-04-12
EP1645418B1 EP1645418B1 (en) 2012-04-11

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EP04024157A Not-in-force EP1645418B1 (en) 2004-10-11 2004-10-11 Adapter for receiving an ink reservoir and ink storage device

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EP (1) EP1645418B1 (en)
AT (1) ATE552979T1 (en)
ES (1) ES2382077T3 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5552816A (en) * 1992-05-29 1996-09-03 Fuji Xerox Co., Ltd. Ink tank, ink-jet cartridge and ink-jet recording apparatus
US5767881A (en) 1995-05-10 1998-06-16 Pelikan Produktions Ag Print head for an ink jet printer
US5784088A (en) 1993-07-20 1998-07-21 Canon Kabushiki Kaisha Ink jet recording apparatus using recording unit with ink cartridge having ink inducing element
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 (en) * 2002-11-26 2004-06-24 Seiko Epson Corp Liquid jetting head and its manufacturing method
US20040179057A1 (en) * 2003-03-10 2004-09-16 Takahiro Yamada Ink-jet printing head

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5552816A (en) * 1992-05-29 1996-09-03 Fuji Xerox Co., Ltd. Ink tank, ink-jet cartridge and ink-jet recording apparatus
US5784088A (en) 1993-07-20 1998-07-21 Canon Kabushiki Kaisha Ink jet recording apparatus using recording unit with ink cartridge having ink inducing element
US5767881A (en) 1995-05-10 1998-06-16 Pelikan Produktions Ag Print head for an 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 (en) * 2002-11-26 2004-06-24 Seiko Epson Corp Liquid jetting head and its manufacturing method
US20040179057A1 (en) * 2003-03-10 2004-09-16 Takahiro Yamada Ink-jet printing head

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Also Published As

Publication number Publication date
ATE552979T1 (en) 2012-04-15
ES2382077T3 (en) 2012-06-05
EP1645418B1 (en) 2012-04-11

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