EP0799705A2 - Appareil pour l'alimentation et la récupération d'encre pour tête d'impression à jet d'encre - Google Patents

Appareil pour l'alimentation et la récupération d'encre pour tête d'impression à jet d'encre Download PDF

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Publication number
EP0799705A2
EP0799705A2 EP97104003A EP97104003A EP0799705A2 EP 0799705 A2 EP0799705 A2 EP 0799705A2 EP 97104003 A EP97104003 A EP 97104003A EP 97104003 A EP97104003 A EP 97104003A EP 0799705 A2 EP0799705 A2 EP 0799705A2
Authority
EP
European Patent Office
Prior art keywords
ink
container
coding
housing
trough
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
EP97104003A
Other languages
German (de)
English (en)
Other versions
EP0799705A3 (fr
EP0799705B1 (fr
Inventor
Rolf Martens
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.)
Francotyp Postalia GmbH
Original Assignee
Francotyp Postalia GmbH
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 Francotyp Postalia GmbH filed Critical Francotyp Postalia GmbH
Publication of EP0799705A2 publication Critical patent/EP0799705A2/fr
Publication of EP0799705A3 publication Critical patent/EP0799705A3/fr
Application granted granted Critical
Publication of EP0799705B1 publication Critical patent/EP0799705B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J2/17503—Ink cartridges
    • B41J2/17553—Outer structure
    • 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
    • B41J2/1721—Collecting waste ink; Collectors therefor
    • 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
    • B41J2/1721—Collecting waste ink; Collectors therefor
    • B41J2/1728—Closed waste ink collectors
    • 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
    • B41J2/17543—Cartridge presence detection or type identification
    • B41J2/17546—Cartridge presence detection or type identification electronically

Definitions

  • the invention relates to an arrangement for ink supply and disposal for an ink print head, which is connected to the same via connecting lines.
  • 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 not just because of the print image quality in general Significance, but particularly important for security-relevant print image data such as value, date and machine number when franking.
  • reliable, bubble-free ink supply and keeping the nozzles of the ink print head clean are required.
  • An ink supply device for a multicolor ink jet recording device is known, compare DE 33 16 969 C2, in which, on the one hand, the ink tank for the most frequently used type of ink and an element which retains the ink - waste ink receptacle - are combined to form a first interchangeable unit and in which on the other hand, the remaining types of ink are in turn combined into a further interchangeable unit.
  • the ink retaining element is regularly forcibly replaced when the empty ink tank is replaced for the most frequently used ink.
  • the first unit is essentially designed as a flat housing, which is divided into an upper space for receiving and holding an ink tank made of elastic material and a lower space with an adsorbent material for holding and storing the old ink.
  • a pump feeds the waste ink to the adsorber via a pipe.
  • the ink tank is connected to the ink print head by a tube and a needle.
  • the needle serves as an ink outlet and is in a rubber connector used, on the other hand opens into an ink supply section of the ink tank.
  • An ink reservoir for ink printing devices is also known, see DE 41 04 786 C2, which is designed as a disposable container.
  • the ink printing device itself works according to the vacuum principle, in which the ink supply system has a low vacuum compared to the actual writing nozzle.
  • Several ink bags are arranged one above the other in a support housing.
  • Closure devices are welded to the front of the ink bag, which contain a connector which can be snapped into an adapted opening of the support housing.
  • the connector is closed by a seal made of soft rubber or silicone.
  • the support housing is closed by means of ultrasound or gluing so that it is no longer possible to replace ink bags.
  • the entire support housing including assembly is handled as a disposable part.
  • the support housing can be snapped into the printer housing.
  • guides in the form of coding stones are attached to the support housing and interact with corresponding counterparts in the snap-in receptacle. As a result, the connecting pieces of the ink supply containers are always assigned to the nozzles which emit the corresponding colors.
  • an ink container is also known, see WO 90/00 976, in which a flexible film is attached all around, liquid and gas-tight, the size of which is such that it has a sufficient cavity for the ink liquid forms and rests on the bottom of the same when the container is empty. Furthermore, a trough is formed in the bottom of the known container in the region of an ink outlet opening. In addition, two electrodes are fitted into the base at a distance.
  • the purpose of the invention is to improve the service properties and the environmental friendliness.
  • the invention is based on the object of providing an arrangement for supplying and disposing of ink for an ink printhead which is designed as an assembly but manages with a minimum of disposable components.
  • the arrangement is said to have a coding system which is easily adaptable to the ink used in each case, which prevents incorrect assembly and is provided with a reliable ink end detection system.
  • the flat, elongated design of the container ensures that the small differences in level with different fill levels only have an insignificant effect on the hydrostatic pressure of the ink and that the atmospheric ambient pressure mainly affects the ink.
  • the preferably central attachment of an appropriately oversized flexible film allows the container volume to be fully utilized for the Fresh ink filling.
  • the formation of a well with a small volume and the placement of the electrodes outside the same ensure a sufficiently large change in resistance for the ink end detection. These measures are supported by the inclination of the floor towards the trough.
  • the way of coding by blocking certain coding openings, for example three out of five or six out of eight, enables such a large variety of coding that any type of ink can be detected.
  • the mechanical docking of the cassette to the associated receptacle in the printer by means of the combination of two coding holes and two coding pins is very simple.
  • the same number of holes for inserting coding pins are provided in the receptacle as coding holes in the front wall of the housing of the cassette. By inserting the coding pins accordingly, it is easy to convert to country-specific adaptations. Both the cassette as a whole and the containers in detail can be replaced easily and without the risk of contamination by the arrangement according to the invention.
  • An exchangeable cassette consists of a housing 1 with two compartments separated by a central wall 12 for receiving two flat, box-shaped containers 2, 3. Both containers 2, 3 are constructed identically.
  • the container 2 is provided for the ink supply.
  • the container 3 is intended for ink disposal.
  • Each container 2, 3 has a front wall 21, 31, two side walls 22, 32, a rear wall 23, 33, a bottom 24, 34 and a ceiling 25, 35 with a vent hole 251, 351.
  • a flexible film 4 is attached to the vertical walls in a liquid-tight and gas-tight manner.
  • the film 4 is constructed in a manner known per se - polyethylene film as a laminate in at least two layers - in such a way that it is gas-tight.
  • the dimensions of the film 4 are chosen so that the filling volume of the container 2 can be used as fully as possible.
  • the container 2 is placed with the bottom 24 upwards and filled through a hole (not shown) in the depression 241 to approximately the stop. The hole is then welded or otherwise sealed.
  • a rubber-elastic seal 5 is fitted into a bore 211, 311. As already explained at the beginning of the description, this seal 5 is pierced in a known manner by a hollow needle which is part of an ink connecting line.
  • This ink connection line leads from container 2, the fresh ink container, to the ink print head in the printer.
  • An ink connection line leads from container 3, the waste ink container, to a cleaning station.
  • the cleaning station picks up the ink expelled and extracted during the cleaning of the ink print head and pumps the waste ink into the container 3.
  • the front wall 11 of the housing 1 there are five coding bores 111, three of which are closed by means of locking inserts 13.
  • a receptacle 6 provided in the printer for the cassette, associated bores are provided for accommodating coding pins 61.
  • the coding pins 61 are inserted into the bores 62 which lie opposite the free coding bores 111.
  • the cassette can only be inserted if the coding between the cassette and the receptacle in the printer matches.
  • the mechanical coupling takes place by means of the pairing of coding holes 111 and coding pins 61, the fluid coupling by means of hollow needles and the electrical coupling by means of electrodes 242, 342 and associated contacts.

Landscapes

  • Ink Jet (AREA)
EP97104003A 1996-04-06 1997-03-11 Appareil pour l'alimentation et la récupération d'encre pour tête d'impression à jet d'encre Expired - Lifetime EP0799705B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19613944 1996-04-06
DE19613944A DE19613944C1 (de) 1996-04-06 1996-04-06 Anordnung zur Tintenversorgung und Tintenentsorgung für einen Tintendruckkopf

Publications (3)

Publication Number Publication Date
EP0799705A2 true EP0799705A2 (fr) 1997-10-08
EP0799705A3 EP0799705A3 (fr) 1998-05-20
EP0799705B1 EP0799705B1 (fr) 2001-07-18

Family

ID=7790754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104003A Expired - Lifetime EP0799705B1 (fr) 1996-04-06 1997-03-11 Appareil pour l'alimentation et la récupération d'encre pour tête d'impression à jet d'encre

Country Status (3)

Country Link
US (1) US6059402A (fr)
EP (1) EP0799705B1 (fr)
DE (2) DE19613944C1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19958948B4 (de) * 1999-11-26 2005-06-02 Francotyp-Postalia Ag & Co. Kg Verfahren zur Bestimmung der Anzahl von mit einer Tintenrestmenge ausführbaren Drucken und Vorrichtung zur Durchführung des Verfahrens
DE19958946B4 (de) * 1999-11-26 2006-11-09 Francotyp-Postalia Gmbh Verfahren zum Piraterieschutz eines Gerätes
DE19958941B4 (de) * 1999-11-26 2006-11-09 Francotyp-Postalia Gmbh Verfahren zum Schutz eines Gerätes vor einem Betreiben mit unzulässigem Verbrauchsmaterial
US7452062B2 (en) * 2003-07-18 2008-11-18 Seiko Epson Corporation Liquid container with structure for controlling leaked liquid
US20090066749A1 (en) * 2007-09-06 2009-03-12 Young Paul D Collecting waste ink in a printer system
JP6217082B2 (ja) * 2012-12-26 2017-10-25 セイコーエプソン株式会社 廃インクタンクおよびインクジェットプリンター
JP6623666B2 (ja) * 2015-10-14 2019-12-25 セイコーエプソン株式会社 廃液収容体
JP6972559B2 (ja) * 2017-01-13 2021-11-24 セイコーエプソン株式会社 廃液収容体及び廃液収容体のアタッチメント
CN212862328U (zh) * 2020-05-08 2021-04-02 珠海纳思达企业管理有限公司 一种耗材包装组件

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194552A (ja) * 1982-05-10 1983-11-12 Canon Inc インクジエツトプリンタ用インクカセツト
US4695824A (en) * 1982-05-10 1987-09-22 Canon Kabushiki Kaisha Ink storing apparatus with a first case having plural ink tanks and second case having one ink tank and a waste ink receptacle
US4782754A (en) * 1986-03-07 1988-11-08 Siemens Aktiengesellschaft Mechanism having ink reservoir with electrodes for ink monitoring in ink printer devices
EP0364284A2 (fr) * 1988-10-14 1990-04-18 Seiko Epson Corporation Cassette d'encre pour une imprimante à jet d'encre
JPH037350A (ja) * 1989-06-05 1991-01-14 Seiko Epson Corp インクカートリッジ
EP0412459A2 (fr) * 1989-08-05 1991-02-13 Canon Kabushiki Kaisha Appareil d'enregistrement à jet d'encre et cartouche d'encre pour cet appareil
EP0509747A1 (fr) * 1991-04-15 1992-10-21 Ing. C. Olivetti & C., S.p.A. Dispositif de détection d'encre pour élément d'impression à encre liquide
JPH04338553A (ja) * 1991-05-14 1992-11-25 Canon Inc インクジェット記録装置
US5477963A (en) * 1992-01-28 1995-12-26 Seiko Epson Corporation Ink-jet recording apparatus and ink tank cartridge therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709730C2 (de) * 1977-03-05 1981-12-03 Olympia Werke Ag, 2940 Wilhelmshaven Tintenbehälter mit einem flexiblen Beutel
DE2728283C2 (de) * 1977-06-23 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Überwachung des Tintenvorrates in Tintenschreibeinrichtungen
JPS63242643A (ja) * 1987-03-31 1988-10-07 Canon Inc 液体噴射記録装置
EP0285155A1 (fr) * 1987-04-02 1988-10-05 Siemens Aktiengesellschaft Méthode pour le nettoyage de la zone de projection des tuyères dans les imprimantes par projection d'encre et dispositif pour la mise en oeuvre de la méthode
US4853708A (en) * 1988-03-03 1989-08-01 Eastman Kodak Company Ink cartridge and housing construction for multicolor ink jet printing apparatus
EP0426661A1 (fr) * 1988-07-25 1991-05-15 Siemens Aktiengesellschaft Reservoir d'encre pour dispositifs d'impression a l'encre comportant un dispositif pour empecher le remplissage non autorise
US5283593A (en) * 1988-07-25 1994-02-01 Mannesmann Ag Ink reservoir for ink printer means having a means to prevent unauthorized refilling
DE4104786A1 (de) * 1990-03-16 1991-09-19 Mannesmann Ag Tintenvorratsbehaelter fuer tintendruckeinrichtungen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194552A (ja) * 1982-05-10 1983-11-12 Canon Inc インクジエツトプリンタ用インクカセツト
US4695824A (en) * 1982-05-10 1987-09-22 Canon Kabushiki Kaisha Ink storing apparatus with a first case having plural ink tanks and second case having one ink tank and a waste ink receptacle
US4782754A (en) * 1986-03-07 1988-11-08 Siemens Aktiengesellschaft Mechanism having ink reservoir with electrodes for ink monitoring in ink printer devices
EP0364284A2 (fr) * 1988-10-14 1990-04-18 Seiko Epson Corporation Cassette d'encre pour une imprimante à jet d'encre
JPH037350A (ja) * 1989-06-05 1991-01-14 Seiko Epson Corp インクカートリッジ
EP0412459A2 (fr) * 1989-08-05 1991-02-13 Canon Kabushiki Kaisha Appareil d'enregistrement à jet d'encre et cartouche d'encre pour cet appareil
EP0509747A1 (fr) * 1991-04-15 1992-10-21 Ing. C. Olivetti & C., S.p.A. Dispositif de détection d'encre pour élément d'impression à encre liquide
JPH04338553A (ja) * 1991-05-14 1992-11-25 Canon Inc インクジェット記録装置
US5477963A (en) * 1992-01-28 1995-12-26 Seiko Epson Corporation Ink-jet recording apparatus and ink tank cartridge therefor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 037 (M-277), 17.Februar 1984 & JP 58 194552 A (CANON KK), 12.November 1983, *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 113 (M-1094), 18.März 1991 & JP 03 007350 A (SEIKO EPSON CORP), 14.Januar 1991, *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 186 (M-1395), 12.April 1993 & JP 04 338553 A (CANON INC), 25.November 1992, *

Also Published As

Publication number Publication date
EP0799705A3 (fr) 1998-05-20
DE19613944C1 (de) 1997-09-11
EP0799705B1 (fr) 2001-07-18
DE59704057D1 (de) 2001-08-23
US6059402A (en) 2000-05-09

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