EP3442800A1 - Cartouche de liquide et procédé de remplissage d'une telle cartouche avec un liquide - Google Patents

Cartouche de liquide et procédé de remplissage d'une telle cartouche avec un liquide

Info

Publication number
EP3442800A1
EP3442800A1 EP17716212.0A EP17716212A EP3442800A1 EP 3442800 A1 EP3442800 A1 EP 3442800A1 EP 17716212 A EP17716212 A EP 17716212A EP 3442800 A1 EP3442800 A1 EP 3442800A1
Authority
EP
European Patent Office
Prior art keywords
holder
rubber layer
cap
liquid cartridge
connecting piece
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
EP17716212.0A
Other languages
German (de)
English (en)
Other versions
EP3442800B1 (fr
Inventor
Andreas Slomianny
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.)
EBS Ink Jet Systeme GmbH
Original Assignee
EBS Ink Jet Systeme 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 EBS Ink Jet Systeme GmbH filed Critical EBS Ink Jet Systeme GmbH
Priority to PL17716212T priority Critical patent/PL3442800T3/pl
Publication of EP3442800A1 publication Critical patent/EP3442800A1/fr
Application granted granted Critical
Publication of EP3442800B1 publication Critical patent/EP3442800B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/002—Caps or closure means for ink receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/007—Portable ink receptacles; Filling devices for receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing

Definitions

  • the invention relates to a liquid cartridge, in particular ink cartridge, an industrial inkjet printer for the printing of goods and to a method for filling such a liquid cartridge.
  • the invention relates both to such inkjet printers in the form of handhelds, see e.g. As WO2013 / 120702 AI, as well as in the form of stationary devices, see, for. EP 1 064 153 Bl.
  • Handheld devices are self-sufficient, they are equipped with an internal voltage source, in particular an accumulator, such as cordless screwdrivers.
  • the power supply is usually from the outside, z. B. over the normal power grid.
  • the liquid cartridge is also referred to as a reservoir. It usually absorbs ink or a solvent. Generally, it takes on a liquid needed for printing. With regard to ink cartridges, reference is made to WO 2013/120702 A1, the disclosure content of which is incorporated herein by reference in its entirety to the disclosure content of the present application and is included to that extent.
  • the reservoir must be replaced in practical operation relatively frequently, since the liquid is constantly consumed in printing and the stock is exhausted after a certain number of printing operations.
  • the liquid cartridge has a cap which has a rubber layer, a plastic layer and a holder.
  • the holder engages over the opening of the cartridge, which is usually formed by a connecting piece.
  • the holder is attached to the connection piece and has a window.
  • the rubber layer and the plastic layer below the window overlap and close each of the opening.
  • Such a storage container is filled in that with a hollow needle for the first time the layer arrangement of rubber layer and plastic layer is pierced.
  • the liquid for example solvent or ink, is then introduced into the liquid cartridge, specifically into its foil bag, via the hollow needle.
  • the layer arrangement of rubber layer and plastic would automatically close the opening or the hole again as soon as the hollow needle has been pulled back.
  • the rubber layer is preferably responsible.
  • the plastic layer supports the rubber layer.
  • the rubber layer has a certain rigidity.
  • the hollow needle ruptures a hole that does not always close completely when retracting the hollow needle, but it sometimes comes to a bending and overlapping the edges of the hole and thus not to a sufficiently tight conclusion. Even if a degree is achieved, this is not permanent.
  • the pressure within the reservoir can be smaller and / or greater than the ambient pressure.
  • the plastic Läge is an integral part of the connection piece. It closes its opening completely and tightly. It has a thickness that is significantly less than the wall thickness of the connecting piece below the opening, the thickness of the plastic layer is 5% to 40% of the wall thickness of the connecting piece below the opening.
  • the unit Due to the plastic layer, which is made of the same material as the rest of the connecting piece, the unit is made of connecting pieces and associated film bag tightly closed. There is no communication held with the outside world. Only when the plastic layer is pierced, the access to the interior of connecting pieces and foil bag is given, before there is no access. Due to the plastic layer connected in one piece with the rest of the connecting piece, a tight and reliable seal is achieved in the area of the opening.
  • the plastic layer in the region of its center is the smallest thickness.
  • these central ribs extend outwardly from the edge, they may be provided on the inner surface and / or on the outer surface of the plastic layer. They additionally stiffen the plastic.
  • the rubber layer remains soft in the radial direction, but in the axial direction it is hard by the support.
  • a generally soft rubber is used, as it is used in rubber rings for disposable glasses or in the rubber rings for office applications. Through the holder, the rubber layer is radially positioned and axially clamped. It applies to both owners.
  • the windows are provided so that there is free access to the layers.
  • the holders are made of metal.
  • the windows preferably have the same shape as the opening, but are preferably smaller in size, for example smaller than the opening by at least one millimeter in diameter.
  • its opening is 0 to 20% larger or smaller than the clear opening of the connecting piece.
  • another cap is provided, referred to as the top cap, which covers the prior cap, now referred to as the bottom cap, and closes the port regardless of whether or not the bottom cap provides effective closure.
  • Preference is given to a direct contact at least two, preferably all layers of the two caps.
  • the two rubber layers are in direct contact. Due to the direct contact, a mechanical shaping of the lower rubber layer is pushed back or prevented.
  • the hollow needle has caused a violation of the lower rubber layer, and bulges when retracting an edge of the plane of the first rubber layer, this is pressed back when applying the upper cap through the upper rubber layer back into the plane of the rubber layer.
  • a possible leakage of the lower cap is harmless because a seal is achieved in any case by the upper cap. It is achieved in this way a significantly improved sealing of the opening. This is noticeable especially during storage and transport of a filled storage container.
  • the lower rubber layer is in direct contact with the underlying plastic layer formed by the spud itself.
  • all layers have direct areal contact over at least 50% of their area.
  • the holders exert an axial pressure on the respective underlying position. As a result, an edge-side, lying above the edge of the opening seal is achieved. At the same time, however, the layers are also pressed together.
  • the upper cap can be pushed onto the connecting piece.
  • the upper cap advantageously has at least one axially extending arm, which has an elasticity and on which a latching projection is provided.
  • a bay cooperates, which is provided on the connection piece and / or on the lower cap.
  • the detent is such that an axial pull occurs when locking, so the upper rubber layer against the lower holder, in particular the lower rubber layer is pressed.
  • the upper cap engages over the arrangement of lower cap and plastic layer.
  • a rubber layer is preferably used as a rubber layer.
  • a layer is understood to mean a layer of the same thickness.
  • the thickness of the plastic layer is between 0.05 and 0.3 mm, preferably about 0.1 mm.
  • the thickness of the lower rubber layer is 0.3 to 0.8, preferably about 0.5 mm.
  • the lower rubber layer is at least 10% thicker than the upper rubber layer, preferably it is about twice as thick.
  • the lower rubber layer is preferably 1.5 to 2.5 times as thick as the upper, ie the outer.
  • the liquid cartridge according to claim 1 which may have a bottle in which the foil bag is, but does not have to have.
  • the interior to be filled with the liquid is limited by the foil bag and the connecting piece.
  • the plastic layer of the connecting piece is still undamaged and completely closes the opening of the connecting piece. It is now first pierced the lower rubber layer and then the plastic layer with a hollow needle, in this way access to the interior is obtained. Through the hollow needle liquid can now be entered into the interior. It can be done under pressure.
  • any amount of air in the interior may leak through leaks between the hollow needle and the lower rubber layer, if necessary, the hollow needle has an additional vent channel. If the interior is filled with the liquid, for example ink, the hollow needle can be pulled out again.
  • the plastic layer ensures that the surfaces of the rubber layer remain and can not move a portion of the rubber layer at the puncture site to the outside.
  • an upper cap in an improvement, which has an upper rubber layer and an upper holder.
  • This upper holder has an upper window.
  • This upper cap is now applied to the lower cap, it is attached to the connection piece and / or on the lower cap. It covers the lower cap with its upper rubber layer.
  • the upper rubber layer lies on the holder sealingly, thus sealing the lower window to the outside. Even if the lower rubber layer is or becomes leaky, the upper rubber layer becomes a complete seal.
  • FIG. 1 shows a section through a liquid cartridge carried out in an axial plane.
  • FIG. 2 shows an axial section as in FIG. 1, but now additionally with a bottle and inserted into an inkjet printer.
  • the liquid cartridge has a foil bag 20 and a connecting piece 22 which is tightly connected thereto.
  • the foil bag 20 has an edge, the edge is peripherally tightly connected to the connecting piece, for example welded.
  • both parts are made of plastic.
  • the connecting piece 22 is made of PE.
  • the foil bag 20 may be made of PE.
  • the connecting piece 22 has an inner channel.
  • the connection piece 22 has an inner tube 24 which projects into the foil bag 20. He also has a collar 26 which extends radially, transverse to an axial direction 28, and is disc-shaped. On the other side of the collar 26, a nozzle 30 is formed, which protrudes from the foil bag 20 and extends in the axial direction 28.
  • the inner channel extends through the inner tube 24, the collar 26 and the nozzle 30, through it is the interior of the foil bag 20 in conjunction with the outside world.
  • the front end of the nozzle 30 forms an opening 32, this is completely closed by a plastic 34.
  • the plastic layer 34 is a one-piece part of the connecting piece 22 is created during its manufacture.
  • the connecting piece 22 is produced, for example, by injection molding.
  • the plastic layer 34 has inner ribs 36 and outer ribs 38, these are integrally connected to the plastic layer 34 and extend radially outward. They do not reach the middle, but rather there is a middle area 40 in the middle. In these, the ribs 36, 38 do not reach into it. It is the middle area 40 which is to be hit later preferably during piercing.
  • An outer side 42 of the connecting piece 22 is structured with several projections and indentations and will be discussed in the next two paragraphs:
  • a bead 44 In the vicinity of the collar 26 is a bead 44 and outside of this bead 44 a stop surface 46.
  • a counterpart 48 At her is a counterpart 48, which is additionally supported on the bead 44.
  • This counterpart 48 does not belong to the liquid cartridge or storage container, but rather to a printer. It is shown how the liquid cartridge can be attached, in particular in a printer, which is not shown here in detail.
  • a lower cap 52 is placed on the opening 32; specifically, it is pushed axially and locked in place by being snapped onto the neck 30 outer locking groove 50 attached.
  • the lower cap 52 has a lower holder 54 made of metal which is similar to a pot. A large hole is provided in the bottom of the pot, this hole being a lower window 56.
  • the lower holder 54 is axially and radially on a lower rubber layer 58.
  • the lower holder 54 has axially extending arms that extend toward the collar 26. They are resiliently elastic and have barbs which engage in the outer locking groove 50.
  • the lower rubber layer 58 is clamped in the axial direction, positioned in the radial direction and not loaded with pressure, as in the axial direction.
  • the lower window 56 has approximately a diameter corresponding to the inner diameter of the inner channel.
  • the lower rubber layer 58 is a cylinder or a flat disk.
  • An upper cap 60 is axially attached to the lower holder 54. Also, it has a window, namely an upper window 62 which is substantially identical in dimension and flush with the lower window 56.
  • the upper cap 60 has an upper holder 64, which is similar to the lower holder 54. Like this, it overlaps a rubber layer, here the upper rubber layer 66 laterally and also radially, thus also circumferentially. As a result, this upper rubber layer 66 is also compressed axially and fixed in the radial direction. It is pressed against the axial outer surface of the lower holder 54, so that a seal is achieved there.
  • the upper holder 56 is substantially cup-shaped with axially projecting, resilient arms, which also have Council devices, so that they can engage in the inner locking groove 50, as shown.
  • the lower cap 52 is almost completely covered.
  • the upper rubber layer 66 is a cylinder or a flat disk. It is less than half as thick as the lower rubber layer 58.
  • the liquid cartridge of an industrial inkjet printer for the printing of goods has a foil bag 20, a connecting piece 22 connected thereto and a lower cap 52.
  • the connecting piece 22 has an opening 32, the opening 32 is closed by the lower cap 52, which is a lower rubber layer 58, a plastic pipe 34 formed by the connecting piece 22 and a lower holder 54.
  • the lower holder 54 has a lower window 56 which is located above the opening 32.
  • the lower holder 54 is attached to an outer side 42 of the connecting piece 22.
  • the lower rubber layer 58 and below the plastic layer 34 are located under the lower window 56, they are in contact with each other and with the lower holder 54th
  • Bottom means axially seen in the interior of the liquid cartridge out, so in the figures in the axial direction 28 to the right, up or forward means seen in the figures to the left.
  • Fig. 2 shows a bottle 70 of the liquid cartridge, in the bottle 70 is the film bag 20.
  • the printer has a receptacle 72, in it are the front part of the nozzle 30 and the two caps 52, 60. In the embodiment of FIG only one lower cap 52 is provided.
  • a hollow needle 68 is shown, which is pierced through the lower rubber layer 58 and through the plastic layer 34; it is located with its tip in the inner channel. Through the hollow needle 68, liquid can now be removed from the storage bottle. Shown is the state of a liquid cartridge, which is inserted in an ink jet printer not otherwise shown.
  • the liquid cartridge for an industrial inkjet printer for the printing of goods has a foil bag 20, a connecting piece 22 connected thereto and a lower cap 52.
  • the connecting piece 22 has an opening 32, the opening 32 is closed by the lower cap 52, the lower one Rubber layer 58, a plastic layer 34 formed by the connecting piece 22 and a lower holder 54 has.
  • the lower holder 54 has a teres window 56, which is located above the opening 32.
  • the lower holder 54 is attached to an outer side 42 of the connecting piece 22.
  • the lower rubber layer 58 and below the plastic layer 34 are located under the lower window 56, they are in contact with each other and with the lower holder 54th

Abstract

L'invention concerne une cartouche de liquide destinée à des imprimantes à jet d'encre industrielles pour imprimer des produits. La cartouche comporte un sac (20) formé par un film, une tubulure de raccordement (22) reliée à celui-ci et un capuchon inférieur (52). La tubulure de raccordement (22) comporte une ouverture (32), l'ouverture (32) est fermée par le capuchon inférieur (52) qui comporte une couche de caoutchouc inférieure (58), une couche de matière synthétique (34) formée par la tubulure de raccordement (22) et un support inférieur (54). Le support inférieur (54) comporte une fenêtre inférieure (56) qui est située au-dessus de l'ouverture (32). Le support inférieur (54) est fixé à un côté extérieur (42) de la tubulure de raccordement (22). La couche de caoutchouc inférieure (58) et, au-dessous, la couche de matière synthétique (34) sont situées au-dessous de la fenêtre inférieure (56); elles sont en contact l'une avec l'autre et avec le support inférieur (54).
EP17716212.0A 2016-04-12 2017-04-07 Cartouche de liquide et procédé de remplissage d'une telle cartouche avec un liquide Active EP3442800B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17716212T PL3442800T3 (pl) 2016-04-12 2017-04-07 Wkład z cieczą i sposób napełniania takiego wkładu cieczą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016106711 2016-04-12
PCT/EP2017/058338 WO2017178351A1 (fr) 2016-04-12 2017-04-07 Cartouche de liquide et procédé de remplissage d'une telle cartouche avec un liquide

Publications (2)

Publication Number Publication Date
EP3442800A1 true EP3442800A1 (fr) 2019-02-20
EP3442800B1 EP3442800B1 (fr) 2020-05-27

Family

ID=58503617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17716212.0A Active EP3442800B1 (fr) 2016-04-12 2017-04-07 Cartouche de liquide et procédé de remplissage d'une telle cartouche avec un liquide

Country Status (8)

Country Link
US (1) US10507664B2 (fr)
EP (1) EP3442800B1 (fr)
CN (1) CN108883639B (fr)
CA (1) CA3017420C (fr)
ES (1) ES2813593T3 (fr)
MX (1) MX2018012313A (fr)
PL (1) PL3442800T3 (fr)
WO (1) WO2017178351A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088995A (en) * 1990-06-22 1992-02-18 Baxter International Inc. Port and closure assembly including a resealing injection site for a container
DE69127247T2 (de) * 1990-09-22 1997-12-04 Canon Kk Tintenkassette und Farbstrahlvorrichtung zur Benutzung dieser Kassette
US5494170A (en) * 1993-05-06 1996-02-27 Becton Dickinson And Company Combination stopper-shield closure
DE19812480A1 (de) 1998-03-21 1999-09-23 E B S Gmbh Tintenstrahldrucker für die Beschriftung von Waren
JP3783565B2 (ja) * 2001-02-16 2006-06-07 セイコーエプソン株式会社 保守用カートリッジ及びインクジェット記録装置
CN2657933Y (zh) * 2003-12-05 2004-11-24 珠海格力磁电有限公司 一种墨盒
JP2006341914A (ja) * 2005-06-10 2006-12-21 Nippon Kimu Kk スパウト
JP5929120B2 (ja) * 2011-11-24 2016-06-01 凸版印刷株式会社 口栓
CN104010945B (zh) * 2011-12-22 2019-01-01 凸版印刷株式会社 塞子
PT2814673T (pt) 2012-02-16 2019-01-21 Ebs Ink Jet Systeme Gmbh Impressora a jato de tinta para a etiquetagem de produtos
WO2015079547A1 (fr) * 2013-11-29 2015-06-04 株式会社日立産機システム Récipient de recharge et dispositif d'enregistrement à jet d'encre le comprenant

Also Published As

Publication number Publication date
US10507664B2 (en) 2019-12-17
CN108883639A (zh) 2018-11-23
US20190176475A1 (en) 2019-06-13
CA3017420C (fr) 2023-01-24
WO2017178351A1 (fr) 2017-10-19
CN108883639B (zh) 2020-07-31
MX2018012313A (es) 2018-12-17
ES2813593T3 (es) 2021-03-24
CA3017420A1 (fr) 2017-10-19
EP3442800B1 (fr) 2020-05-27
PL3442800T3 (pl) 2021-01-25

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