EP0799703B1 - Device for preventing reusability of a reservoir for supplying ink - Google Patents
Device for preventing reusability of a reservoir for supplying ink Download PDFInfo
- Publication number
- EP0799703B1 EP0799703B1 EP97104001A EP97104001A EP0799703B1 EP 0799703 B1 EP0799703 B1 EP 0799703B1 EP 97104001 A EP97104001 A EP 97104001A EP 97104001 A EP97104001 A EP 97104001A EP 0799703 B1 EP0799703 B1 EP 0799703B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- electrode
- hollow needle
- container
- reusability
- 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.)
- Expired - Lifetime
Links
Images
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
- B41J2/17503—Ink cartridges
- B41J2/17506—Refilling of the cartridge
Definitions
- the invention relates to a reusability lock for one Container for the ink supply of an ink printhead.
- Such ink printheads are used both in the usual office printers and in small, fast printers. The latter are part of modern machines for printing addresses or for product labeling and in future also for franking mail.
- the function should be guaranteed so that there are no pressure point failures. This is important not only because of the print image quality in general, but especially for security-relevant print image data such as value, date and machine number when franking.
- security-relevant print image data such as value, date and machine number when franking.
- the purpose of the invention is to increase functional reliability.
- the invention is based, while maintaining the task Docking of the fresh ink container and an ink end detection means arranged in the latter Electrodes to develop a reusability barrier that only the use of new ones specified by the printer manufacturer Permits fresh ink containers. The use of once in operation fresh ink containers taken and refilled is closed prevent.
- this object is achieved according to the patent claims.
- a fresh ink container 1 has a bore 111 in its front wall 11, into which a rubber-elastic closure 4 is inserted.
- a hollow needle 5 is inserted through the rubber-elastic closure 4 and is connected to an ink print head via an ink connection line 6 in a manner not shown.
- the side walls 12 and the rear wall 13 of the fresh ink container are designed as smooth walls without feedthroughs.
- a trough-shaped depression 143 is worked into the bottom 14, in the area of which the hollow needle 5 opens.
- the hollow needle 5 has an ink opening 51 on the side. Outside the recess 143, two electrodes 142 are fitted into the bottom 14 toward the front wall 11, which electrodes are surrounded by a bead 141 projecting therefrom.
- a cover device 2 is arranged on the bottom 14 in the depression 143.
- the covering device 2 essentially consists of a rocker 21 mounted rotatably about an axis 22, two bearing blocks 23 for the axis 22 and a resilient latching hook 25 and a compression spring 24, see also FIG. 2.
- the covering device 2 is arranged on the bottom 14 and designed in such a way that it partially lies in the plug-in area of the hollow needle 5.
- a tooth 2122 on the rocker 21 is used for this purpose.
- FIG. 2 details of the structure and the sequence of effects are shown. Before the hollow needle 5 comes into operative connection with the rocker 21, it is locked with a first short hook-shaped lever arm 211 of the rocker 21 on the latching hook 25, see FIG. 2a.
- both the locking hook 25 are provided with a nose 251 and the short lever arm 211 with a nose 2111.
- the latching hook 25 is elastically bent in the direction of the short lever arm 211, so that both lugs 251, 2111 are non-positively hooked together.
- the short lever arm 211 is also cushioned by the compression spring 24 towards the bottom 14 and is pressed by the same upwards against the locking hook 25. In this way, the fresh ink container 1 is adequately secured against unwanted triggering of the cover device 2.
- the other second, somewhat longer lever arm 212 is designed such that an electrode 142 and the plug-in area of the hollow needle 5 lie in its swivel area.
- the lever arm 212 is provided on the inside with a correspondingly adapted covering 2121.
- a tooth 2122 is integrally formed on the lever arm 212, on the front surface of which the inserted hollow needle 5 with the tip 52 abuts in a non-positive manner.
- the long lever arm 212 with the tooth 2122 is non-positively against the hollow needle 5. If the hollow needle 5 is pulled out, the rocker 21 is pivoted about the axis 22 by the compression spring 24 to such an extent that the covering 2121 lies non-positively on the bead 141 and the tooth 2122 lies below the insertion area of the hollow needle 5. If the hollow needle 5 is inserted again, the rocker 21 remains in the position described. The electrical connection between the two electrodes 142 is thus interrupted and is continuously evaluated as the ink end. This means that printing with this fresh ink container is no longer possible.
Landscapes
- Ink Jet (AREA)
Description
Die Erfindung betrifft eine Wiederverwendbarkeitssperre für einen Behälter für die Tintenversorgung eines Tintendruckkopfes.The invention relates to a reusability lock for one Container for the ink supply of an ink printhead.
Derartige Tintendruckköpfe werden sowohl in den üblichen
Bürodruckern als auch in kleinen schnellen Druckern eingesetzt.
Letztere sind Bestandteil von modernen Maschinen zum Drucken von
Adressen oder zur Produktbeschriftung und zukünftig auch zum
Frankieren von Postgut.
Für die Druckköpfe soll die Funktion so gewährleistet sein, daß
möglichst keine Druckpunktausfälle auftreten. Das ist nicht nur wegen
der Druckbildqualität im allgemeinen von Bedeutung, sondern
insbesondere für sicherheitstechnisch relevante Druckbilddaten, wie
Wert, Datum und Maschinennummer bei Frankierabdruck wichtig. Um
Druckpunktausfälle und Beschädigungen des Druckkopfes zu
verhindern, ist unter anderem eine möglichst blasenfreie Versorgung
des Tintendruckkopfes mit der für diesen zugelassenen Tinte
unbedingt zu gewährleisten.
Es ist üblich, siehe DE 27 09 730 C2, die Tintenverbindungsleitung
vom Tintendruckkopf zum Behälter für die Tintenversorgung - im
weiteren Frischtintenbehälter - über eine Hohlnadel an den Behälter
anzudocken, wobei dieser mit einem gummielastischen Verschluß
versehen ist, der von der Hohlnadel durchstoßen wird. Damit werden
sowohl ein Lufteintritt in die Tintenversorgungsleitung als auch ein
ungewollter Tintenaustritt aus dem Behälter vermieden. Es ist bei
diesem Andockprinzip aber möglich, daß durch nicht autorisierte
Personen der teilweise oder ganz entleerte Frischtintenbehälter mit
irgendeiner Tinte wieder aufgefüllt und in den Drucker eingesetzt wird.
Das kann zu Ausfällen oder sogar zu Beschädigungen des
Tintendruckkopfes führen.Such ink printheads are used both in the usual office printers and in small, fast printers.
The latter are part of modern machines for printing addresses or for product labeling and in future also for franking mail.
For the printheads, the function should be guaranteed so that there are no pressure point failures. This is important not only because of the print image quality in general, but especially for security-relevant print image data such as value, date and machine number when franking. In order to prevent pressure point failures and damage to the print head, it is imperative, among other things, to ensure that the ink print head is supplied with the ink approved for it as free of bubbles as possible.
It is common, see DE 27 09 730 C2, to dock the ink connection line from the ink print head to the container for the ink supply - in the further fresh ink container - via a hollow needle to the container, which is provided with a rubber-elastic closure which is pierced by the hollow needle. This prevents both air from entering the ink supply line and unwanted ink from the container. However, it is possible with this docking principle that the partially or completely empty fresh ink container is refilled with any ink and inserted into the printer by unauthorized persons.
This can lead to failures or even damage to the ink printhead.
Zur sicheren Tintenversorgung ist es wichtig, Tintenende zu erkennen und rechtzeitig zu signalisieren. Es ist eine Tintenendeerkennung bekannt, siehe DE 27 28 283 C2, bei der im Boden des Frischtintenbehälters zwei Elektroden durchgehend eingebracht sind und der Übergangswiderstand zwischen diesen Elektroden gemessen und ausgewertet wird. Die Elektroden sind in Mulden angeordnet, die in den Behälterboden eingeformt sind. Voraussetzung für den Einsatz einer derartigen Tintenendeerkennung ist die Verwendung einer elektrisch leitfähigen Tinte.For safe ink supply, it is important to recognize the ink end and signal in time. It is an ink end detection known, see DE 27 28 283 C2, in which in the bottom of Fresh ink container two electrodes are continuously introduced and the contact resistance between these electrodes was measured and is evaluated. The electrodes are arranged in troughs that are in the bottom of the container is molded. Requirement for use Such an ink end detection is the use of a electrically conductive ink.
Zweck der Erfindung ist eine Erhöhung der Funktionssicherheit.The purpose of the invention is to increase functional reliability.
Der Erfindung liegt die Aufgabe zugrunde, unter Beibehaltung der eingangs beschriebenen Andockung des Frischtintenbehälters und einer Tintenendeerkennung mittels im letzteren angeordneter Elektroden, eine Wiederverwendbarkeitssperre zu entwickeln, die nur den Einsatz von vom Hersteller des Druckers vorgeschriebenen neuen Frischtintenbehältern zuläßt. Der Einsatz von bereits einmal im Betrieb genommenen und wieder nachgefüllten Frischtintenbehältern ist zu unterbinden. The invention is based, while maintaining the task Docking of the fresh ink container and an ink end detection means arranged in the latter Electrodes to develop a reusability barrier that only the use of new ones specified by the printer manufacturer Permits fresh ink containers. The use of once in operation fresh ink containers taken and refilled is closed prevent.
Erfindungsgemäß wird diese Aufgabe gemäß den Patentansprüchen
gelöst.
Indem mittels der Hohlnadel für die Tintenandockung eine
Abdeckvorrichtung für mindestens eine der Elektroden einmal
unumkehrbar auslösbar ist, wird erreicht, daß für einen einmal
angedockten Frischtintenbehälter nach dem Ziehen der Hohlnadel
stets Tintenende signalisiert wird, unabhängig davon, wieviel Tinte
tatsächlich in dem Behälter vorhanden ist.
Ein einmal abgedockter und erneut angedockter Frischtintenbehälter
ist demzufolge nicht mehr für die Tintenversorgung einsetzbar, sondern
wenn überhaupt, nur noch für die Tintenentsorgung als
Alttintenbehälter.According to the invention, this object is achieved according to the patent claims.
By irreversibly triggering a covering device for at least one of the electrodes by means of the hollow needle for ink docking, it is achieved that for a fresh ink container which has been docked once the end of the ink is always signaled after the hollow needle has been pulled, regardless of how much ink is actually present in the container.
Once the fresh ink container has been undocked and redocked, it can no longer be used for ink supply, but if at all, only for ink disposal as an old ink container.
Die Erfindung wird nachstehend am Ausführungsbeispiel näher
erläutert.
Es zeigen:
- Fig. 1
- eine perspektivische Darstellung eines Frischtintenbehälters teilweise im Schnitt und mit herausgezogenen Details zur Tintenandockung sowie zur Abdeckvorrichtung,
- Fig. 2
- Details zur Abdeckvorrichtung gemäß Schnitt A-A nach Fig. 1
- a) mit gesteckter Hohlnadel vor Erreichen der gesicherten Abdeckvorrichtung,
- b) mit gesteckter Hohlnadel und entsicherter Abdeckvorrichtung,
- c) Lage der Abdeckvorrichtung nach Ziehen der Hohlnadel.
Show it:
- Fig. 1
- 2 shows a perspective illustration of a fresh ink container, partly in section and with pulled-out details for ink docking and for the covering device,
- Fig. 2
- Details of the covering device according to section AA according to FIG. 1
- a) with inserted hollow needle before reaching the secured covering device,
- b) with inserted hollow needle and unlocked covering device,
- c) Position of the covering device after pulling the hollow needle.
Zur Vereinfachung und zum besseren Verständnis ist die Zeichnung teilweise schematisiert ausgeführt.The drawing is for simplification and better understanding partially carried out schematically.
Gemäß Fig. 1 weist ein Frischtintenbehälter 1 in seiner Frontwand 11
eine Bohrung 111 auf, in die ein gummielastischer Verschluß 4
eingesetzt ist. Durch den gummielastischen Verschluß 4 ist eine
Hohlnadel 5 gesteckt, die über eine Tintenverbindungsleitung 6 in nicht
dargestellter Weise an einen Tintendruckkopf angeschlossen ist. Die
Seitenwände 12 und die Rückwand 13 des Frischtintenbehälters sind
als glatte Wände ohne Durchführungen ausgebildet. In den Boden 14
ist eine muldenförmige Vertiefung 143 eingearbeitet in deren Bereich
die Hohlnadel 5 mündet. Die Hohlnadel 5 weist seitlich eine
Tintenöffnung 51 auf. Außerhalb der Vertiefung 143 sind zur Frontwand
11 hin in den Boden 14 zwei Elektroden 142 eingepaßt, die von einer
diese überragenden Wulst 141 umgeben sind.
Am Boden 14 ist in der Vertiefung 143 eine Abdeckvorrichtung 2
angeordnet. Die Abdeckvorrichtung 2 besteht im wesentlichen aus
einer um eine Achse 22 drehbeweglich gelagerten Wippe 21, zwei
Lagerböcken 23 für die Achse 22 und einem federnden Rasthaken 25
sowie einer Druckfeder 24, vergleiche auch Fig. 2.
Die Abdeckvorrichtung 2 ist am Boden 14 so angeordnet und im
einzelnen so ausgebildet, daß diese teilweise im Steckbereich der
Hohlnadel 5 liegt. Zu diesem Zweck dient ein Zahn 2122 an der Wippe
21.
In Fig. 2 sind Einzelheiten des Aufbaus und des Wirkungsablaufes
dargestellt. Bevor die Hohlnadel 5 mit der Wippe 21 in Wirkverbindung
tritt, ist diese mit einem ersten kurzen hakenförmigen Hebelarm 211
der Wippe 21 an den Rasthaken 25 arretiert, vergleiche Fig. 2a. Zu
diesem Zweck sind sowohl der Rasthaken 25 mit einer Nase 251 als
auch der kurze Hebelarm 211 mit einer Nase 2111 versehen. Der
Rasthaken 25 ist elastisch in Richtung kurzer Hebelarm 211 gebogen,
so daß beide Nasen 251, 2111 kraftschlüssig miteinander verhakt sind.
Der kurze Hebelarm 211 ist außerdem durch die Druckfeder 24 zum
Boden 14 hin abgefedert und wird durch dieselbe nach oben gegen
den Rasthaken 25 gedrückt. Auf diese Weise ist der
Frischtintenbehälter 1 ausreichend gegen eine ungewollte Auslösung
der Abdeckvorrichtung 2 gesichert.
Der andere zweite, etwas längere Hebelarm 212 ist so ausgebildet,
daß eine Elektrode 142 und der Steckbereich der Hohlnadel 5 in
dessen Schwenkbereich liegen. Zwecks sicherer Abdeckung der
Elektrode 142 beziehungsweise der diese umgebenden Wulst 141 ist
der Hebelarm 212 am Ende innenseitig mit einem entsprechend
angepaßten Belag 2121 versehen. Im Steckbereich der Hohlnadel 5 ist
an dem Hebelarm 212 ein Zahn 2122 angeformt, an dessen
Frontfläche die gesteckte Hohlnadel 5 mit der Spitze 52 kraftschlüssig
anliegt. Wenn die Hohlnadel 5 mit ihrer Spitze auf die Frontfläche des
Zahns 2122 trifft, werden der lange Hebelarm 212 nach oben und der
kurze Hebelarm entgegen der Federkraft der Druckfeder 24 nach unten
gedrückt. Infolgedessen wird der Rasthaken 25 freigegeben und
gelangt außerhalb des Schwenkbereichen des kurzen Hebelarms 211,
vergleiche Fig. 2b. Damit ist die Abdeckvorrichtung 2 entsichert.
Gemäß dem Übersetzungsverhältnis zwischen den beiden Hebelarmen
211, 212 beziehungsweise dem Angriffspunkt der Druckfeder 24 und
dem Ansatzpunkt des Zahns 2122 liegt der lange Hebelarm 212 mit
dem Zahn 2122 kraftschlüssig an der Hohlnadel 5 an. Wird die
Hohlnadel 5 herausgezogen, so wird die Wippe 21 durch die
Druckfeder 24 um die Achse 22 so weit herumgeschwenkt, daß der
Belag 2121 auf der Wulst 141 kraftschlüssig aufliegt und der Zahn
2122 unterhalb des Steckbereiches der Hohlnadel 5 liegt. Wenn die
Hohlnadel 5 erneut gesteckt wird, verbleibt die Wippe 21 in der
geschilderten Lage. Die elektrische Verbindung zwischen den beiden
Elektroden 142 ist damit unterbrochen und wird ständig als Tintenende
ausgewertet. Somit ist ein erneuter Druckbetrieb mit diesem
Frischtintenbehälter nicht mehr möglich. 1, a
A
The covering
In Fig. 2 details of the structure and the sequence of effects are shown. Before the
The
The other second, somewhat
According to the transmission ratio between the two
- 11
- Behälter für die Tintenversorgung, FrischtintenbehälterInk supply containers, fresh ink containers
- 1111
-
Frontwand des Behälters 1Front wall of the
container 1 - 111111
-
Bohrung in der Frontwand 11Hole in the
front wall 11 - 1212th
-
Seitenwände des Behälters 1Side walls of the
container 1 - 1313
-
Rückwand des Behälters 1Rear wall of the
container 1 - 1414
-
Boden des Behälters 1Bottom of the
container 1 - 141141
- Wulst am Boden 14Bead on the bottom 14
- 142142
- Elektrode im Boden 14Electrode in the bottom 14
- 143143
- muldenförmige Vertiefung im Boden 14trough-shaped depression in the bottom 14
- 22nd
- AbdeckvorrichtungCover device
- 2121
- WippeSeesaw
- 211211
-
erster, kurzer Hebelarm der Wippe 21first, short lever arm of
rocker 21 - 21112111
-
Nase am Hebelarm 211Nose on
lever arm 211 - 212212
-
zweiter, langer Hebelarm der Wippe 21second, long lever arm of
rocker 21 - 21212121
-
Belag am Hebelarm 212Pad on
lever arm 212 - 21222122
-
Zahn am Hebelarm 212Tooth on
lever arm 212 - 2222
- Achseaxis
- 2323
- LagerböckeBearing blocks
- 2424th
- DruckfederCompression spring
- 2525th
- RasthakenLocking hook
- 251251
-
Nase am Rasthaken 25Nose on the locking
hook 25 - 33rd
- flexible Folieflexible film
- 44th
- gummielastischer Verschlußelastic closure
- 55
- HohlnadelHollow needle
- 5151
-
Tintenöffnung in der Hohlnadel 5Ink opening in the
hollow needle 5 - 5252
- Spitze der HohlnadelTip of the hollow needle
- 66
- TintenverbindungsleitungInk connection line
Claims (6)
- Reusability lock for a container for the ink supply of an ink print head in which the ink connection line from the ink print head is docked to the container by means of a hollow needle through a rubber-elastic seal and in which at least two electrodes are through-fitted in the bottom of the container as part of an ink end detection means, characterized in that there is provided a covering means (2) for at least one electrode (142) that can be irreversibly released by means of the hollow needle (5) when inserted for the first time.
- Reusability lock according to Claim 1, characterized in that at least one electrode (142) is surrounded by an annular bulge (141) rising above it.
- Reusability lock according to Claim 2, characterized in that the bulge (141) is made rubber-elastic.
- Reusability lock according to Claim 1, characterized in that at least one electrode (142) is fitted into a trough formed into the bottom (14) and that the rim of the trough rises above the electrode (142).
- Reusability lock according to Claim 1, characterized in that the covering means (2) mainly consists of a rocker (21) movable around an axle (22), two bearing supports (23) for the axle (22), an elastic catch hook (25) as well as a pressure spring (24).
- Reusability lock according to Claim 5, characterized in that the rocker (21) is provided with a first short lever arm (211) having a nose (2111) on its end for locking by the catch hook (25) and with a second long lever arm (212) having a side tooth (2122) serving as stopper for the hollow needle (5) and a coating (2121) on the end of the lever arm (212) for covering the electrode (142) or the bulge (141) around the electrode (142).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19613943 | 1996-04-06 | ||
DE19613943A DE19613943C2 (en) | 1996-04-06 | 1996-04-06 | Reusability lock for an ink supply container |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0799703A2 EP0799703A2 (en) | 1997-10-08 |
EP0799703A3 EP0799703A3 (en) | 1998-03-25 |
EP0799703B1 true EP0799703B1 (en) | 1999-10-27 |
Family
ID=7790753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97104001A Expired - Lifetime EP0799703B1 (en) | 1996-04-06 | 1997-03-11 | Device for preventing reusability of a reservoir for supplying ink |
Country Status (3)
Country | Link |
---|---|
US (1) | US5929884A (en) |
EP (1) | EP0799703B1 (en) |
DE (2) | DE19613943C2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839225A1 (en) | 1998-08-28 | 2000-03-02 | Siemens Nixdorf Inf Syst | Inkjet printer and swap body for printing ink |
DE19958941B4 (en) | 1999-11-26 | 2006-11-09 | Francotyp-Postalia Gmbh | Method for protecting a device from being operated with improper consumables |
DE10114540A1 (en) | 2001-03-21 | 2002-10-02 | Francotyp Postalia Ag | Consumption module for an electronic device |
JP3977355B2 (en) * | 2004-06-07 | 2007-09-19 | キヤノン株式会社 | Ink tank and recording head |
CN102834267B (en) | 2010-01-29 | 2016-03-30 | 兄弟工业株式会社 | Print cartridge, tape deck and the method for controlling tape deck |
JP5381757B2 (en) * | 2010-01-29 | 2014-01-08 | ブラザー工業株式会社 | ink cartridge |
DE102010008870A1 (en) * | 2010-02-22 | 2011-08-25 | 3T Supplies Ag | ink cartridge |
CN102615983A (en) * | 2011-02-01 | 2012-08-01 | 兄弟工业株式会社 | Liquid box |
WO2012153432A1 (en) | 2011-05-09 | 2012-11-15 | ブラザー工業株式会社 | Ink cartridge and recording device |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709730C2 (en) * | 1977-03-05 | 1981-12-03 | Olympia Werke Ag, 2940 Wilhelmshaven | Ink container with a flexible pouch |
DE2728283C2 (en) * | 1977-06-23 | 1982-04-29 | Siemens AG, 1000 Berlin und 8000 München | Device for monitoring the ink supply in ink writing devices |
JPS57201673A (en) * | 1981-06-04 | 1982-12-10 | Matsushita Graphic Commun Syst Inc | Magnetic ink recording head |
FR2536818B1 (en) * | 1982-11-29 | 1987-06-12 | Sanden John V D | VALVE VALVE FOR PRESSURE CONTAINERS, FOR EXAMPLE COMPRESSED GAS BOTTLES |
JPH0216057A (en) * | 1988-07-05 | 1990-01-19 | Canon Inc | Ink jet recorder |
US5283593A (en) * | 1988-07-25 | 1994-02-01 | Mannesmann Ag | Ink reservoir for ink printer means having a means to prevent unauthorized refilling |
EP0426692B1 (en) * | 1988-07-25 | 1993-04-28 | Siemens Aktiengesellschaft | Apparatus for monitoring ink reservoirs of ink printing devices |
JPH03505999A (en) * | 1988-07-25 | 1991-12-26 | ジーメンス アクチエンゲゼルシヤフト | Ink storage container for inkjet printing equipment with a device to prevent unauthorized refilling |
GB2208227A (en) * | 1988-08-11 | 1989-03-15 | Ici Plc | Introducing additive into a container |
EP0412459B1 (en) * | 1989-08-05 | 1998-11-25 | Canon Kabushiki Kaisha | Ink jet recording apparatus and ink cartridge for the apparatus |
JPH0615834A (en) * | 1992-06-30 | 1994-01-25 | Canon Inc | Container, recording head device using this container and recording apparatus loaded with this container |
-
1996
- 1996-04-06 DE DE19613943A patent/DE19613943C2/en not_active Expired - Fee Related
-
1997
- 1997-03-11 EP EP97104001A patent/EP0799703B1/en not_active Expired - Lifetime
- 1997-03-11 DE DE59700606T patent/DE59700606D1/en not_active Expired - Fee Related
- 1997-04-07 US US08/838,411 patent/US5929884A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0799703A2 (en) | 1997-10-08 |
EP0799703A3 (en) | 1998-03-25 |
DE19613943A1 (en) | 1997-10-16 |
DE19613943C2 (en) | 1999-04-22 |
DE59700606D1 (en) | 1999-12-02 |
US5929884A (en) | 1999-07-27 |
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