EP2271498B1 - Cartouches d'encre à éléments d'étanchéité pour orifice rivetés à chaud - Google Patents

Cartouches d'encre à éléments d'étanchéité pour orifice rivetés à chaud Download PDF

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Publication number
EP2271498B1
EP2271498B1 EP08769326.3A EP08769326A EP2271498B1 EP 2271498 B1 EP2271498 B1 EP 2271498B1 EP 08769326 A EP08769326 A EP 08769326A EP 2271498 B1 EP2271498 B1 EP 2271498B1
Authority
EP
European Patent Office
Prior art keywords
sealing member
ink cartridge
vent
heat
air
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.)
Active
Application number
EP08769326.3A
Other languages
German (de)
English (en)
Other versions
EP2271498A1 (fr
EP2271498A4 (fr
Inventor
Ernest Foster
Michael E. Goodale
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
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 Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Priority to PL08769326T priority Critical patent/PL2271498T3/pl
Publication of EP2271498A1 publication Critical patent/EP2271498A1/fr
Publication of EP2271498A4 publication Critical patent/EP2271498A4/fr
Application granted granted Critical
Publication of EP2271498B1 publication Critical patent/EP2271498B1/fr
Active legal-status Critical Current
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
    • B41J2/17503—Ink cartridges
    • B41J2/17536—Protection of cartridges or parts thereof, e.g. tape
    • B41J2/1754—Protection of cartridges or parts thereof, e.g. tape with means attached to the cartridge, e.g. protective cap

Definitions

  • Ink cartridges used in inkjet printers typically comprise a vent that allows air to enter the cartridge as ink is drawn from the cartridge.
  • the passage of such air into the cartridge avoids the creation of a vacuum within the cartridge and, therefore, facilitates the flow of ink from the cartridge.
  • vent of an ink cartridge is normally sealed prior to use to avoid evaporation of the ink contained within the cartridge and leakage from the vent due to pressure changes during shipment.
  • the vent is covered by a sealing member that the end user removes prior to installing the cartridge within a printer.
  • sealing members are held in place with pressure sensitive adhesive.
  • such adhesive exhibits high rates of failure, particularly when the adhesive is exposed to higher temperatures and/or altitudes. When the adhesive fails, air can then enter the cartridge and dry out the ink that the cartridge contains.
  • EP 1 449 666 A1 discloses an ink reservoir having a body and a cover disposed on the body.
  • a vent is disposed in the cover.
  • the vent has a vent hole passing through the cover and an elongated vent path that communicatively couples the vent hole to an atmosphere surrounding an exterior of the ink reservoir.
  • a membrane is disposed over the vent hole for acting to repel ink therefrom and for allowing air flow through the membrane and the vent.
  • ink cartridge vents may be sealed using a sealing member that is attached to the cartridge with pressure sensitive adhesive.
  • pressure sensitive adhesive can be accompanied by high rates of failure, particularly when the adhesive is exposed to higher temperatures and/or altitudes.
  • lower rates of failure can be achieved when the sealing member is heat staked to the cartridge. Because the heat staking process can raise the temperature of air contained within the cartridge and therefore can cause that air to expand, heat staking may be performed in a multi-stage process in which the vent is not fully sealed until a final stage of heat staking. In such a case, air may escape from the cartridge during the heat staking process.
  • heat stake elements used in the heat staking process maintain air gaps between the sealing member and the cartridge that provide pathways for the air to escape.
  • the ink cartridge 10 that is configured to contain and supply ink to a printing device, such as a printer.
  • the ink cartridge 10 comprises a polymeric body 12 that, for example, is formed through injection molding.
  • the body 12 includes a front side 14, a rear side 16, a top side 18, a bottom side 20, and opposed lateral sides 22 and 24.
  • Extending upward from the bottom end of the front side 14 is a finger tab 26 that may be used to insert the cartridge 10 into and/or remove the cartridge from a printing device.
  • Extending downward from the bottom side 20 is an ink outlet 28 from which ink may be drawn from the cartridge 10.
  • a sealing member 30 that is used to seal an air vent (not visible in FIGs. 1 and 2 ) provided on the top side of the cartridge 10 that enables air to enter and exit the cartridge.
  • the sealing member 30 is printed upon with various indicia, such that the sealing member also functions as a label. Examples of indicia that may be printed upon the sealing member 30 include indications of the cartridge manufacturer, the cartridge model number, the cartridge manufacturing date, and the like.
  • the sealing member 30 comprises a thin strip of polymeric material.
  • the sealing member 30 is heat staked to the cartridge 10. More particularly, the sealing member 30 is heat staked to the surface of the top side 18 at discrete locations. In addition, the sealing member 30 is adhered to the cartridge 10 with adhesive. In some embodiments, thermal adhesive is provided along the entire length of the sealing member 30 and pressure sensitive adhesive is provided at discrete locations that do not coincide with an air vent described below. As is further illustrated in FIGs. 1 and 2 , the sealing member 30 further includes tear slits 34 that facilitate intentional tearing of the sealing member at a predetermined point along its length to expose the vent to the ambient air.
  • the portion of the sealing member 30 that extends from its end 36 to the tear slits 34 therefore comprises a tear-away portion 38 of the sealing member that may be removed by the user prior to use of the cartridge 10.
  • the tear-away portion 38 is torn away using an end portion 32 of the sealing member 30 that is not adhered to the cartridge 10 and, therefore, serves as a pull tab.
  • FIG. 3 illustrates an example embodiment of an air vent 50 provided on the top side 18 of the cartridge 10.
  • the vent 50 comprises a labyrinth vent that includes a vent opening 52 provided within a circular recess 54 that is in fluid communication with an elongated vent channel 56.
  • the channel 56 comprises a serpentine channel section 58 that extends from the recess 54 to an linear channel section 60.
  • the channel 56 terminates in a T-shaped end 62 that, as described below, is exposed when the tear-away portion 38 of the sealing member 30 is removed by the end user.
  • multiple heat stake elements 64 are provided on a surface 66 that defines the upper edges of the circular recess 54 and the vent channel 56.
  • the heat stake elements 64 comprise small cylindrical elements that are unitarily formed with the top side 18 of the cartridge 10. Although cylindrical elements have been illustrated and described, it is to be understood that the heat stake elements 64 may comprise other shapes, including cones, rounded domes, ribs, and the like. In some embodiments, the heat stake elements 64 are approximately 30 to 500 microns ( ⁇ m) tall. By way of example, the heat stake elements 64 are approximately 200 ⁇ m tall.
  • the example cartridge 10 shown in FIG. 3 comprises seven heat stake elements 64, including a first pair of elements positioned on opposite sides of the circular recess 54, a second pair of elements positioned on opposite sides of the linear channel section 60, a lone element positioned within the last curve of the serpentine channel section 58 prior to the linear channel section, and a pair of elements 68 that are positioned on opposite sides of an intermediate portion of the serpentine channel section. It is noted that greater or fewer heat stake elements 64 can be used/or can be positioned in alternative position as required for the particular cartridge application. As described below, the heat stake elements 68 may be the last elements to be bonded to the sealing member 30, in which case the elements 68 enable venting of air out from the cartridge 10 during previous stages of the heat staking process.
  • FIG. 4 illustrates the sealing member 30 in place over the air vent 50 prior to heat staking.
  • the sealing member 30 is adhered to the top side 18 and the rear side 16 of the cartridge 10 and covers both the circular recess 54 and the vent channel 60, including the T-shaped end 62.
  • the sealing member 30 is not adhered to the cartridge along its entire length.
  • the portion of the sealing member 30 that overlies the air vent 50 is not adhered to the cartridge 10 because that portion of the member only comprises thermal adhesive that has not yet been heated.
  • FIGs. 5A-5C depict various stages of a multi-stage heat staking process in which multiple heat staking dies are brought into contact with the cartridge 10 and its sealing member 30. More particularly, illustrated in FIGs. 5A-5C are outlines of the footprints of three different dies to identify the heat stake elements 64, 68 upon which they act. Referring first to FIG. 5A , a first die 70 is used to apply heat to the three heat stake elements 64 closest to the T-shaped end 62 and the two heat stake elements circular recess 54. Notably, the die 70 does not overlap the heat stake elements 68 and, therefore, no heat is applied to those elements.
  • the thermal adhesive When heat is applied to the heat stake elements 64, the thermal adhesive is activated and the sealing member 30 adheres to the top side 18 of the cartridge 10. In addition, the heat stake elements 64 melt and therefore bond to the sealing member 30. More particularly, the elements 64 bond to a substrate of the sealing member 30. Such bonding is depicted in FIG. 6 , in which a heat stake element 64 is shown passing through a thermal adhesive layer 80 and a peeling layer 82 of the sealing member 30 to the substrate 84 of the sealing member.
  • a second die 72 is used to apply heat to the same heat stake elements 64 that were heated in the stage depicted in FIG. 5A .
  • the die 72 does not overlap the heat stake elements 68 and, therefore, no heat is applied to those elements.
  • heat was not applied to the heat stake elements 68 in either of the stages depicted in FIGs. 5A and 5B those elements were not bonded to the sealing member 30 and the thermal adhesive adjacent to those elements was not activated.
  • the heat stake elements 68 extend up from the surface 66 of the top side 18, they support the sealing member 30 above that surface, thereby forming air gaps through which air within the cartridge 10 that expands during the first two stages of heat staking can escape.
  • FIG. 7 Such a configuration is depicted in FIG. 7 .
  • the heat stake element 64 forms air gaps 86 through which air can escape, as indicated by arrows 88.
  • a third heat staking die 74 can then be applied to the cartridge 10 that overlaps the three heat stake elements 64 closest to the T-shaped end 62, as well as the heat stake elements 68.
  • the sealing member 30 is hermetically sealed to the cartridge 10 and therefore prevents the ingress or egress of air into or out of the cartridge via the vent 50.
  • the manufacturing of the cartridge 10 is completed and the cartridge can be provided to an end user for use in a printing device.
  • the user will remove the tear-away portion 38 of the sealing member 30 first illustrated in FIG. 2 .
  • the user can pull the end portion (pull tab) 32 of the sealing member 30 and peel the member off of the rear side 16 and part of the top side 18 of the cartridge 10 against the bonding force of the pressure sensitive and thermal adhesive.
  • the portion of the sealing member 30 that has been removed from the cartridge 10 extends to the tear slits 18, further pulling results in the tear-away portion 46 separating from the remainder of the sealing member, thereby exposing the T-shaped end 62 of the vent channel 56, as illustrated in FIG. 8 . Through such exposure, air can travel through the channel 56 and to the vent opening 54.

Landscapes

  • Ink Jet (AREA)

Claims (15)

  1. Cartouche d'encre (10) comprenant :
    - un corps (12) qui est conçu pour contenir de l'encre ;
    - un évent (50) pratiqué sur le corps (12), conçu pour permettre à de l'air de passer dans et hors du corps (12) ; et
    - un élément de scellage (30) qui recouvre l'évent (50) pour empêcher l'entrée ou la sortie d'air dans ou hors de la cartouche d'encre (10) par l'intermédiaire de l'évent (50), l'élément de scellage (30) étant riveté à chaud au corps (12).
  2. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'évent (50) est un évent en labyrinthe.
  3. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'évent (50) comprend une ouverture d'air (52) formée dans un renfoncement (54) et un canal d'évent (56) qui s'étend hors du renfoncement (54).
  4. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'élément de scellage (30) est une étiquette de la cartouche d'encre (10) et comprend divers indices imprimés sur celle-ci.
  5. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'élément de scellage (30) est d'un matériau polymère.
  6. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'élément de scellage (30) est riveté à chaud au corps (12) avec des éléments de rivetage à chaud (64, 68) disposés sur une surface du corps (12).
  7. Cartouche d'encre (10) selon la revendication 6, dans laquelle les éléments de rivetage à chaud (64, 68) sont positionnés à proximité immédiate de l'évent (50).
  8. Cartouche d'encre (10) selon la revendication 7, dans laquelle les éléments de rivetage à chaud (64, 68) sont positionnés sur des côtés opposés d'un canal d'évent (56) de l'évent (50).
  9. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'élément de scellage (30) comprend une partie déchirable (38) qui peut être déchirée de la cartouche d'encre (10) par un utilisateur pour exposer l'évent (50).
  10. Cartouche d'encre (10) selon la revendication 1, dans laquelle l'élément de scellage (30) est également amené à adhérer au corps (12) avec de l'adhésif.
  11. Cartouche d'encre (10) selon la revendication 1, dans laquelle :
    - le corps (12) est un corps polymère comprenant un côté supérieur (18) ;
    - l'évent (50) est un évent en labyrinthe formé dans le côté supérieur (18) du corps (12), conçu pour permettre à de l'air de passer dans et hors du corps (12), l'évent (50) comprenant une ouverture d'évent (52) menagée à l'intérieur d'un renfoncement (54) et un canal d'évent (56) s'étendant hors du renfoncement (54) ; et
    - l'élément de scellage (30) est un élément de scellage polymère qui recouvre l'évent (50), l'élément de scellage (30) étant amené à adhérer au corps (12) avec de l'adhésif et étant riveté à chaud au corps (12) avec de multiples éléments de rivetage à chaud (64, 68) positionnés à proximité immédiate de l'évent en labyrinthe.
  12. Cartouche d'encre (10) selon la revendication 11, dans laquelle l'élément de scellage (30) est une étiquette de la cartouche d'encre (10) et comprend divers indices imprimés sur celle-ci.
  13. Cartouche d'encre (10) selon la revendication 11, dans laquelle les éléments de rivetage à chaud (64, 68) sont alignés sur des côtés opposés du canal d'évent (56) de l'évent (50).
  14. Cartouche d'encre (10) selon la revendication 11, dans laquelle l'élément de scellage (30) comprend une partie déchirable (38) qui peut être retirée de la cartouche d'encre (10) par un utilisateur pour exposer l'évent (50).
  15. Procédé de fabrication d'une cartouche d'encre (10), le procédé comprenant :
    - former un corps (12) de la cartouche d'encre (10), le corps (12) comprenant un côté supérieur (18) qui comprend un évent (50) conçu pour permettre à de l'air de passer dans et hors du corps (12) et des éléments de rivetage à chaud (64, 68) qui s'étendent à l'extérieur à partir du côté supérieur (18) de manière adjacente à l'évent (50) ;
    - appliquer un élément de scellage polymère (30) sur le côté supérieur du corps (12) avec un adhésif, l'élément de scellage (30) recouvrant l'évent (50) ;
    - appliquer de la chaleur à une première partie de l'élément de scellage (30) qui recouvre un premier groupe (64) d'éléments de rivetage à chaud (64, 68) pour riveter à chaud l'élément de scellage (30) au côté supérieur (18) à une première partie, et ne pas appliquer de chaleur à une seconde partie de l'élément de scellage (30) qui recouvre un second groupe (68) d'éléments de rivetage à chaud (64, 68) de façon à ne pas riveter à chaud l'élément de scellage (30) au côté supérieur à une seconde partie, le second groupe (68) d'éléments de rivetage à chaud formant des intervalles d'air (86) entre le côté supérieur (18) et l'élément de scellage (30), à travers lesquels de l'air peut s'échapper du corps (12) pendant le rivetage à chaud ; et
    - appliquer ultérieurement de la chaleur à la seconde partie de l'élément de scellage (30) pour riveter à chaud l'élément d'étanchéité (30) au côté supérieur à la seconde partie de telle sorte que l'élément de scellage (30) soit scellé hermétiquement au corps (12).
EP08769326.3A 2008-05-08 2008-05-08 Cartouches d'encre à éléments d'étanchéité pour orifice rivetés à chaud Active EP2271498B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08769326T PL2271498T3 (pl) 2008-05-08 2008-05-08 Wkłady z tuszem z mocowanym na gorąco elementem uszczelniającym kanał powietrzny

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2008/062989 WO2009136928A1 (fr) 2008-05-08 2008-05-08 Cartouches d'encre à éléments d'étanchéité pour orifice rivetés à chaud

Publications (3)

Publication Number Publication Date
EP2271498A1 EP2271498A1 (fr) 2011-01-12
EP2271498A4 EP2271498A4 (fr) 2013-01-23
EP2271498B1 true EP2271498B1 (fr) 2014-02-12

Family

ID=41264831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08769326.3A Active EP2271498B1 (fr) 2008-05-08 2008-05-08 Cartouches d'encre à éléments d'étanchéité pour orifice rivetés à chaud

Country Status (7)

Country Link
EP (1) EP2271498B1 (fr)
JP (1) JP2011519758A (fr)
KR (1) KR101424318B1 (fr)
CN (1) CN102015313B (fr)
ES (1) ES2446931T3 (fr)
PL (1) PL2271498T3 (fr)
WO (1) WO2009136928A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192606B (zh) * 2012-01-05 2016-03-30 深圳市壹办公科技股份有限公司 分体式喷墨打印机墨盒
EP2978604B1 (fr) * 2013-03-28 2018-10-10 Hewlett-Packard Development Company, L.P. Sous-ensemble de cartouche pour fluide
EP3052321B1 (fr) * 2013-09-30 2018-09-19 Hewlett-Packard Development Company, L.P. Cartouches d'encre d'imprimante
US9738084B2 (en) * 2014-01-21 2017-08-22 Hewlett-Packard Development Company, L.P. Replaceable liquid supply having cut outs and latch
JP7154919B2 (ja) * 2018-09-28 2022-10-18 キヤノン株式会社 インクカートリッジ

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Publication number Priority date Publication date Assignee Title
CA2084554C (fr) * 1992-04-02 2003-02-11 Christopher A. Schantz Buse comportant un circuit electrique incorpore, pour tete d'impression a jet d'encre
JP3190495B2 (ja) * 1993-09-08 2001-07-23 キヤノン株式会社 インクジェット用カートリッジならびにこれを用いたインクジェットヘッドおよびインクジェットプリント装置
US6280024B1 (en) * 1993-11-05 2001-08-28 Seiko Epson Corporation Ink cartridge for printer
US5784087A (en) * 1995-04-27 1998-07-21 Owens-Illinois Closure Inc. Liquid containment and dispensing device
JP3327807B2 (ja) * 1996-03-01 2002-09-24 キヤノン株式会社 インクタンクの包装構造および該包装構造が施されるインクタンク
US5847735A (en) * 1996-04-26 1998-12-08 Pelikan Produktions Ag Ink cartridge for a printer
JP3376238B2 (ja) * 1997-03-11 2003-02-10 キヤノン株式会社 インクジェット記録ヘッドの保存容器
JPH10258519A (ja) * 1997-03-19 1998-09-29 Brother Ind Ltd インクカートリッジ
JP3331976B2 (ja) * 1998-07-30 2002-10-07 カシオ計算機株式会社 インクカートリッジ
JP3791320B2 (ja) * 2000-10-04 2006-06-28 セイコーエプソン株式会社 インクジェット記録装置
US6634732B2 (en) * 2001-09-11 2003-10-21 Hewlett-Packard Development Company, L.P. Thermoplastic polymer film sealing of nozzles on fluid ejection devices and method
CN2516345Y (zh) * 2001-09-29 2002-10-16 刘原源 一种喷墨印表机的墨水匣
US6969165B2 (en) 2003-02-24 2005-11-29 Hewlett-Packard Development Company, L.P. Ink reservoirs
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US7726791B2 (en) 2006-03-31 2010-06-01 Lexmark International, Inc. Conduit construction using films

Also Published As

Publication number Publication date
ES2446931T3 (es) 2014-03-10
WO2009136928A1 (fr) 2009-11-12
KR101424318B1 (ko) 2014-08-01
JP2011519758A (ja) 2011-07-14
PL2271498T3 (pl) 2014-05-30
EP2271498A1 (fr) 2011-01-12
CN102015313A (zh) 2011-04-13
EP2271498A4 (fr) 2013-01-23
KR20110003359A (ko) 2011-01-11
CN102015313B (zh) 2015-03-25

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