EP0865925B1 - Cartouche d'encre pour imprimante/traceur à jet d'encre - Google Patents

Cartouche d'encre pour imprimante/traceur à jet d'encre Download PDF

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Publication number
EP0865925B1
EP0865925B1 EP98810176A EP98810176A EP0865925B1 EP 0865925 B1 EP0865925 B1 EP 0865925B1 EP 98810176 A EP98810176 A EP 98810176A EP 98810176 A EP98810176 A EP 98810176A EP 0865925 B1 EP0865925 B1 EP 0865925B1
Authority
EP
European Patent Office
Prior art keywords
container according
membrane
plotter
ink
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.)
Expired - Lifetime
Application number
EP98810176A
Other languages
German (de)
English (en)
Other versions
EP0865925A1 (fr
Inventor
Francisco Faoro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pelikan Hardcopy Production AG
Original Assignee
Pelikan Hardcopy Production AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pelikan Hardcopy Production AG filed Critical Pelikan Hardcopy Production AG
Publication of EP0865925A1 publication Critical patent/EP0865925A1/fr
Application granted granted Critical
Publication of EP0865925B1 publication Critical patent/EP0865925B1/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
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure

Definitions

  • EP-A-238 829 is an ink jet printhead with a Ink tank known.
  • the container space is in one embodiment through a cup-shaped membrane into an ink storage room and divided an airspace.
  • the edge of the pot-shaped Membrane is against a cylindrical by means of a ring Sealing sealed inside the container. This solution is suitable yourself for printheads.
  • EP-A-745 481 discloses another known ink jet printhead.
  • the present invention has for its object a Specify ink tank of the type mentioned, the one has a large capacity and is particularly suitable for inkjet plotters is suitable. This task is accomplished through the combination of features of claim 1 solved.
  • the housing 1 of the container consists of a lower part 2 and a lid 3 made of PP.
  • the lower part 2 has a trough 4 of two hemispherical cups 5, the side in two cylinder shells 6 and below in two slightly inclined, level Skip bowls 7.
  • the shells 7 are against a cylindrical, outwardly projecting, tubular nozzle 8 inclined.
  • the nozzle 8 has an inwardly projecting ring flange 9, in which is an elastomeric plug 10 made of NBR (acrylonitrile butadiene rubber) snapped.
  • the plug 10 has inside a blind hole 11 and is used for piercing a hollow needle Plotters. The blind hole prevents the needle from following described membrane can injure.
  • the upper edge 16 of the shells 5, 6 goes into a flat, horizontal Wall 15 above, in the immediately outside the upper edge 16 of the tub 4 has a circumferential groove 17 with a rectangular cross section is formed.
  • the groove 17 has two semicircular and two rectilinear sections connecting them.
  • An elastomeric, thin membrane 18 is in the tub 4 made of NBR, which has a flat along its periphery Section 19 and has a bead 20 formed thereon.
  • the bead 20 is substantially rectangular in cross section and has protrusions on both sides, which with prestress between the two flanks of the groove 17 used radially sealing are.
  • the shape of the membrane 18 corresponds to the shape of the trough 4.
  • At the flat bottom of the membrane 18 are four closed at the top Hollow pin 21 formed with an outer ring edge 22.
  • the pin 21 are in the form of the shells 7 in through bores adapted plastic plate 23 snapped.
  • Chamber 26 is made with an absorbent material, for example, cellulose 28 filled to accommodate Waste ink is used, which arises when flushing the print head nozzles.
  • absorbent material for example, cellulose 28 filled to accommodate Waste ink is used, which arises when flushing the print head nozzles.
  • the lid 3 has an outer wall 35 and an inner wall 36 Contour of the inner wall 36 corresponds to the contour of the center line the groove 17.
  • the inner wall 36 projects slightly beyond the outer wall 35. Its lower edge is pressed onto the bead 20.
  • In the Outer wall 35 is formed in pairs several resilient tongues 37, which have hooks below. The hooks are on the bottom the openings 30 snapped.
  • In two through holes the outer wall 35 an axis 38 is rotatably supported.
  • At the Axle 38 is formed in the middle of a lever 39, which by a Not shown spring is pressed against the plate 23. In the figure shows the lever 39 in the upper end position. Between the outer wall 35 and the inner wall 36 is on the in the figure rear side formed another, longer lever 40.
  • Lever 40 In the lower end position of the lever 39, this engages Lever 40 has a slot in wall 15 and protrudes over the lower one Edge of the wall 29 emerges. This position is from a The plotter's photocell detects and reports the end of the ink supply.
  • cover 3 Wall 41 On the right is another, all-round on cover 3 Wall 41 formed, which is inserted into the inside of the chamber 26 and closes it up.
  • the lid 3 has above a cross-sectionally U-shaped bar 42 with two on one side 42 extending into the center of the bar 42 slots 43.
  • a molded, lowered horizontal plate 44 between the slots 43 has a tongue 45 projecting beyond the outer wall 35 for latching in the plotter. By pressing in a grip surface 46 the tongue 45 is withdrawn and the container 1 is removed.
  • a hollow needle is inserted into the plug 10 to fill the ink inserted and first the space between membrane 18 and tub 4 evacuated. So that the air can be completely evacuated can, are on the tub 4 two from the upper edge 16 to Stub 8 formed in the longitudinal direction, thin ribs 51. Ink is then filled in through the hollow needle until the membrane 18 is completely turned inside out. So that the container be used in the plotter, whereby when inserting in Plotter permanently installed hollow needles automatically stopper 10 pierce and ensure connection.
  • the training described enables a very high capacity the ink tank.
  • the radial pressure of the bead 20 and its ground plan form of two semicircular arches and two rectilinear ones Sections provides a secure seal. Because the Bead 20 from above through the lower edge of the inner wall 36 in the If the groove is pressed in, this bulge can also become impacted on the cover 3 during transport not out of the groove 17 to solve.
  • the combination of the ink reservoir with the chamber 26 for residual ink results in simple and safe operation of the plotter, because automatically every time you change containers again a fresh waste ink chamber with unused absorbent is used. Due to the inclination of the floors 7 and the Ribs 51, the ink supply can be used up almost to the last rest become.
  • the plate 23 has the advantage that the Diaphragm 18 turned down more evenly and prematurely Blank ads can be avoided.
  • the snap connection between Lid 3 and lower part 2 is a particularly economical solution.
  • the material pairing PP and NBR is suitable for many types of ink, especially also for mineral oil based inks, which can be used for example for piezoelectric printheads.
  • the container can be very thin-walled, so inexpensive getting produced.
  • grooves or grooves can also be provided in the tub 4 be molded.
  • the ribs or the grooves can also on the Membrane 18 may be formed.
  • the lid 3 can be on the lower part 2 also be pressed or welded on.

Landscapes

  • Ink Jet (AREA)
  • Closures For Containers (AREA)

Claims (10)

  1. Récipient à encre pour une imprimante à jet d'encre ou un traceur de courbes à jet d'encre, comprenant un boítier (1) possédant une partie inférieure (2) équipée d'une cuvette (4), dans lequel une gorge périphérique (17) s'étend autour de la périphérie du bord supérieur (16) de la cuvette (4), et dans lequel un premier bouchon (10) pour l'enfichage d'une aiguille creuse de l'imprimante ou du traceur de courbes est inséré dans le fond de la cuvette (4), une membrane élastomère en forme de cuvette (18), qui possède au niveau de son bord un rebord (20), qui est inséré par application d'une pression radiale dans la gorge (17), ainsi qu'un couvercle (13), qui est mis en place à la partie inférieure (2) et possède une paroi intérieure (36) dont le bord inférieur est serré contre le rebord (20).
  2. Récipient selon la revendication 1, dans lequel la partie inférieure (2) possède en outre une chambre (26) comportant un second bouchon (10), qui est rempli par une substance pouvant être aspirée (28) notamment de la cellulose, servant à recevoir le reste d'encre.
  3. Récipient selon la revendication 1 ou 2, dans lequel la gorge (17) est constituée, selon une vue en plan, par deux sections de forme arquée et deux sections rectilignes, qui relient les précédentes.
  4. Récipient selon l'une des revendications 1 à 3, dans lequel le couvercle (3) est encliqueté ou emmanché à force sur la partie inférieure (2).
  5. Récipient selon l'une des revendications 1 à 4, dans lequel une plaque (23), qui est fixée à la membrane (18), est appliquée sur une partie médiane de la membrane (18).
  6. Récipient selon l'une des revendications 1 à 5, dans lequel dans le couvercle (3) est monté de manière à pouvoir pivoter un levier (39), dont l'extrémité libre s'applique sur la membrane (18) ou sur la plaque (23) et qui est relié à un élément d'affichage (40), qui, lorsque le récipient à encre est vide, fait saillie au-delà du boítier (1).
  7. Récipient selon l'une des revendications 1 à 6, dans lequel le premier bouchon (10) possède un trou borgne (11) dans sa face intérieure.
  8. Récipient selon l'une des revendications 1 à 7, dans lequel le couvercle (3) comporte un élément d'encliquetage amovible (45) destiné à s'encliqueter dans l'imprimante ou le traceur de courbes.
  9. Récipient selon l'une des revendications 1 à 8, dans lequel au moins une nervure (51) ou une rainure, qui s'étend du bord supérieur (16) jusqu'au premier bouchon (10), est formé sur la cuvette (4) ou sur la membrane (18).
  10. Récipient selon l'une des revendications 1 à 9, dans lequel la membrane (18) est formée de NBR.
EP98810176A 1997-03-17 1998-03-03 Cartouche d'encre pour imprimante/traceur à jet d'encre Expired - Lifetime EP0865925B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19710970 1997-03-17
DE19710970A DE19710970C2 (de) 1997-03-17 1997-03-17 Tintenbehälter für einen Tintenstrahl-Drucker oder -Plotter

Publications (2)

Publication Number Publication Date
EP0865925A1 EP0865925A1 (fr) 1998-09-23
EP0865925B1 true EP0865925B1 (fr) 2001-12-19

Family

ID=7823610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810176A Expired - Lifetime EP0865925B1 (fr) 1997-03-17 1998-03-03 Cartouche d'encre pour imprimante/traceur à jet d'encre

Country Status (4)

Country Link
US (1) US5984461A (fr)
EP (1) EP0865925B1 (fr)
CA (1) CA2232394A1 (fr)
DE (2) DE19710970C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19943947C2 (de) * 1999-09-14 2003-07-17 Artech Gmbh Design & Prod Tintenkartusche für ein Tintenstrahl-Drucksystem
JP2002254673A (ja) * 2000-12-25 2002-09-11 Seiko Epson Corp インクジェット記録装置用インクカートリッジ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162501A (en) * 1977-08-08 1979-07-24 Silonics, Inc. Ink supply system for an ink jet printer
DE8024472U1 (de) * 1980-09-12 1980-12-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Tintenvorratsbehaelter fuer tintenschreibeinrichtungen
JPS58194550A (ja) * 1982-05-10 1983-11-12 Canon Inc インクカセット
DE3238063A1 (de) * 1982-10-14 1984-04-19 Olympia Werke Ag, 2940 Wilhelmshaven Wechselbehaelter mit einer tintenvorratskammer fuer ein tintenschreibwerk
US4677447A (en) * 1986-03-20 1987-06-30 Hewlett-Packard Company Ink jet printhead having a preloaded check valve
JP2611257B2 (ja) * 1987-09-17 1997-05-21 セイコーエプソン株式会社 インクカートリッジ
DE8712728U1 (fr) * 1987-09-21 1988-10-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
EP0715958B1 (fr) * 1991-05-27 1998-08-12 Seiko Epson Corporation Cartouche à encre pour appareil d'enregistrement par jet d'encre
CH687969A5 (de) * 1992-07-24 1997-04-15 Huber+Suhner Ag Faserverstaerkte Membran.
JP3417434B2 (ja) * 1995-01-05 2003-06-16 セイコーエプソン株式会社 インクジェットプリンタ用インクカートリッジ
JP3251845B2 (ja) * 1995-04-17 2002-01-28 キヤノン株式会社 負圧を与える液体収納容器、該容器の製造方法、該容器とインクジェット記録ヘッドとを一体化した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
EP0745481A3 (fr) * 1995-05-31 1998-04-01 Hewlett-Packard Company Imprimante à jet d'encre avec réservoir auxiliaire
DE19545775C2 (de) * 1995-12-07 1999-03-25 Pelikan Produktions Ag Flüssigkeitspatrone, insbesondere Tintenpatrone für einen Druckkopf eines Ink-Jet-Printers
US5727878A (en) * 1996-10-17 1998-03-17 Cdf Corporation Liner for a mixing container and an assembly and method for mixing fluid components

Also Published As

Publication number Publication date
DE19710970C2 (de) 2000-08-10
CA2232394A1 (fr) 1998-09-17
DE19710970A1 (de) 1998-10-01
DE59802491D1 (de) 2002-01-31
EP0865925A1 (fr) 1998-09-23
US5984461A (en) 1999-11-16

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