WO2007142263A1 - Cartouche d'encre et procédé de recyclage de cartouche d'encre - Google Patents

Cartouche d'encre et procédé de recyclage de cartouche d'encre Download PDF

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Publication number
WO2007142263A1
WO2007142263A1 PCT/JP2007/061449 JP2007061449W WO2007142263A1 WO 2007142263 A1 WO2007142263 A1 WO 2007142263A1 JP 2007061449 W JP2007061449 W JP 2007061449W WO 2007142263 A1 WO2007142263 A1 WO 2007142263A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
film
sheet
supply needle
outlet
Prior art date
Application number
PCT/JP2007/061449
Other languages
English (en)
Japanese (ja)
Inventor
Tatsuro Ishizawa
Kunio Kaji
Tetsuya Taguchi
Original Assignee
S.T. Sangyo Co., Ltd.
Ecorica Inc.
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 S.T. Sangyo Co., Ltd., Ecorica Inc. filed Critical S.T. Sangyo Co., Ltd.
Priority to JP2008520601A priority Critical patent/JP4785921B2/ja
Publication of WO2007142263A1 publication Critical patent/WO2007142263A1/fr

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
    • B41J2/17513—Inner 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
    • B41J2/1752—Mounting within the printer

Definitions

  • an annular sealing material is provided in an inner part of a cylindrical ink outlet port so as to come into contact with the outer periphery of an ink supply needle to prevent ink leakage, and the sealing material
  • An ink cartridge having a structure in which a film for sealing the outside of the ink is adhered to an ink outlet is used.
  • a porous absorbent material is loaded and formed into a cylindrical shape on the bottom surface through which the ink supply needle of the recording apparatus can be inserted, and a cylindrical ink outlet port into which ink flows, and an ink outlet port.
  • An annular sealing material that is provided in contact with the outer periphery of the ink supply needle to prevent ink leakage and the penetration side of the ink supply needle of this sealing material are sealed and adhered to the ink outlet.
  • An ink cartridge comprising a film is disclosed.
  • Patent Document 1 Japanese Patent Laid-Open No. 4-257452
  • Policies for environmental protection measures include material recycling (recycling), reduction (controlling the generation of waste), and leus (reuse).
  • material recycling recycling
  • reduction controlling the generation of waste
  • leus reuse
  • the user refills the ink by himself using a commercially available refill ink kit, or the used ink cartridge provided by the user to the store is collected by a recycler and recycled as a recycled ink cartridge. It is common practice to reuse ink after it has been consumed.
  • the remaining film is unnecessary for reusing the ink cartridge. It is preferable to leave the sealing material as a member that can prevent the sealing material from easily falling during the recycling operation. . Therefore, it is preferable that the ink cartridge can be reused while leaving the remaining film that was torn in the recycling process.
  • no reuse method or new ink outlet configuration that satisfies this condition has been proposed.
  • the configuration of the ink outlet including the remaining film is a configuration that rejects reuse. Therefore, an ink cartridge having an ink outlet configuration that makes this configuration reusable and premised on reuse is one of the important issues for the present invention and is also necessary for the environment. It is.
  • An ink cartridge of the present invention for achieving the main object described above includes a cylindrical ink that includes an ink storage container and an opening through which an ink supply needle can be inserted, and into which ink flows from the ink storage container.
  • a take-out port a seal material provided in the opening and elastically contacting the outer periphery of the ink supply needle when the ink supply needle is inserted, and insertion of the ink supply needle
  • An ink cartridge including a hole through which the ink supply needle can be inserted and at least a part of the opening of the ink outlet.
  • it is preferable that the sheet is directly bonded to the ink outlet, and the film is bonded to the sheet with an easily peelable bonding means.
  • the reproduction method of the present invention includes an ink storage container, a cylindrical ink outlet port through which ink flows from the ink storage container, and an opening portion through which the ink supply needle can be inserted.
  • a sealing material that elastically contacts the outer periphery of the ink supply needle to prevent ink leakage, and the ink supply needle can be inserted to prevent ink leakage from the opening.
  • a laminated sheet that is positioned between the ink outlet and the sealing material and the film and has a hole through which the ink supply needle can be inserted, and at least a part of which overlaps the opening of the ink outlet.
  • one side of the laminated sheet is thermally welded to the ink outlet with the same thermoplastic resin as the ink outlet, and the other side of the laminated sheet is the A method of regenerating an ink cartridge in which the film is adhered to a joining surface where the film is easily peelable, wherein after the film is broken by the ink supply needle, ink leakage occurs in a portion removed from the laminated sheet It is characterized by newly adhering a film for preventing the sticking out.
  • FIG. 3 is a diagram for explaining an example of the sheet of the present invention, where (a) is a diagram showing a state in which plane force is also seen, and (b) is a diagram showing a state in which side force is also seen.
  • FIG. 5 is a diagram for explaining an example in which the present invention is applied to a genuine ink cartridge, (a) is an exploded perspective view of the sheet and film portions, and (b) is a sheet and film bonded together. It is a figure showing a state.
  • a ring-shaped sealing material 4 is provided inside the cylindrical ink outlet 2.
  • the sealing material 4 is a rubber-like elastic body.
  • NR natural rubber
  • SBR styrene / butadiene rubber
  • EPDM ethylene / propylene rubber
  • NBR acryl-tolyl Z butadiene rubber
  • H-NBR hydrogenated acryl-tolyl Z butadiene rubber
  • IIR isobutene Z isoprene rubber
  • fluorine rubber can be used.
  • the thickness of the sheet 3 used in the present invention is preferably in the range of 150 m or more and 1000 ⁇ m or less.
  • the protruding portion 3c in FIGS. 1 and 2 corresponds to the configuration. In this way, in the ink cartridge recycling process, the sheet can be easily peeled off by placing a finger on the protruding portion, and the work efficiency is improved.
  • a genuine ink cartridge C2 having a shape as shown in FIG. 5 is commercially available.
  • the ink cartridge C2 has an ink storage container 10 for storing ink and a shape as shown in FIG. 6 provided at one end of the bottom surface of the ink storage container 10.
  • An ink outlet 20 is provided.
  • the ink stored in the ink storage container 10 flows into the ink outlet 20 and is supplied to the recording head of the recording apparatus via an ink supply needle suspended from the carriage of the recording apparatus. Printing is performed on recording paper by ejecting ink droplets from the openings.
  • a tubular sealing member 40 as shown in FIGS. 7 to 8 is provided inside the ink outlet 20.
  • the protrusion 30d is fitted with the recess 20b indicated by a dotted line in FIG. 6 (a). This is preferable because the positioning force between the center of the hole 30a of the sheet 30 and the center of the ink outlet 20 can be reliably and easily performed.
  • the sheet 30 does not necessarily have to be replaced.
  • the force to replace the sheet 30 itself, only the film 50 adhered to the sheet 30 is repaired and replaced. Whether or not to do so can be appropriately determined by examining the state of the cartridge in the process of detecting the collected used ink cartridge. Since the sheet 30 is a recyclable member like the ink container 10 and the like, it can be said that it is desirable to reuse the sheet 30 from the viewpoint of environmental protection.
  • the sheet 30 is preferably composed of a thermoplastic resin having easy peelability.
  • the type of thermoplastic resin is not particularly limited.
  • polyolefin resin such as polyethylene, polypropylene, and polyethylene pentene, ethylene.butyl acetate copolymer, ethylene.acrylic acid copolymer, maleic acid modified polypropylene, etc.
  • the thickness of the film 50 is in the range of 10 ⁇ m to 100 ⁇ m. Is desirable. The value of 10 / z m is taken into consideration that the film 50 may be torn when the film 50 is peeled off from the sheet outer side force. If the thickness of the film 50 is less than 10 m, depending on the material, the water vapor permeability and oxygen permeability tend to increase, and the inside of the ink outlet 20 tends to dry. On the other hand, it is not necessary to increase the thickness of the film to more than 100 m. Since the present invention is functionally separated, it is not necessary to increase the thickness excessively, and the breaking strength of the film 50 increases. The case where the ink supply needle cannot be passed should be avoided.
  • the film 50 may be a multilayer film in which films made of the resin are laminated in consideration of the characteristics of the resin.
  • the sheet 30 is made of polyethylene, polypropylene, polystyrene, hard vinyl chloride, etc.
  • a film is preferable to use a film.
  • FIG. 7 is a vertical cross-sectional view of the ink outlet 20 of the ink cartridge of FIG.
  • a tubular sealing material 40 is used.
  • Ink cartridges are articles that can be reused more than once. However, if the number of reuses exceeds the limit, the performance of the ink cartridge deteriorates. It is important to know the current number of reuses as a material.
  • the seat 30 having the above-described configuration is provided, for example, it is pasted every time it is reused, such as transparent when new, red for the first time, and green for the second time. By changing the color of the replacement sheet, the number of reuses can be made clear at a glance. Similarly, the number of reuses may be determined by changing the color of the film.
  • the genuine ink cartridge C 3 a film 52 that seals the outside of the sealing material 42 is bonded to the outer edge of the ink outlet 22.
  • the ink cartridge C3 plays a role in preventing the ink 52 from leaking out until the ink cartridge C3 is attached to the guide portion provided in the carriage of the recording apparatus.
  • the tubular seal material 42 provided in the ink outlet 22 and the outer periphery of the ink supply needle are in elastic contact with each other. Ink leakage is prevented.
  • a sheet 32 provided with a circular hole 32a on the outer edge portion of the ink outlet 22 is shown. Then, as shown in FIG. 11 (b), the film 52 for sealing the holes 32a is adhered to the outer surface of the sheet 32.
  • the sheet 32 of the present invention has a cylindrical ink take-out through which the ink storage container 12 and the ink supply needle can be passed and ink flows from the ink storage container 12. mouth 22 and an outer edge of the ink outlet 22 of the ink cartridge, which is provided in the ink outlet 22 and has a sealing member 42 that comes into contact with the outer periphery of the ink supply needle when the ink supply needle is inserted and prevents leakage of the ink. It is a sheet used by adhering to a part.
  • a single sheet 32 is first bonded to the ink outlet port 22 in which five holes are arranged, and an ink film is simply bonded to the outer surface of the sheet 32. Since the entire take-out port 22 can be sealed, the working efficiency is improved as compared with the case where the ink take-out port 22 is separately sealed with five films.
  • the sheet 32 includes a circular hole 32 a into which the ink supply needle can be inserted and whose diameter is smaller than the inner diameter of the cylinder of the ink outlet 22.
  • a film 52 is bonded to the outer surface of the sheet 32.
  • the circular hole 32a is positioned at both ends of the inner surface of the sheet 32 so that the center of the circular hole 32a is positioned at the center of the ink outlet 22.
  • a protrusion 32d that can be fitted into a recess present at the outer edge of the ink outlet 22 is provided to ensure reliable and easy positioning.
  • Comparative Example 2 was prepared in the same manner as Comparative Example 1 except that the non-adhered portion was not provided at the end of the film.
  • Example 1 and Example 2 the film could be easily peeled off and removed from the sheet by using an easily peelable film (PETZZPS) for the film and providing an unbonded part of the film. .
  • the peel strength between the sheet and the film was 921 gZ cm in Example 1 and 967 g / cm in Example 2.
  • the use of sheets prevented the seal material from slipping out when removing the ink cartridge as much as possible.
  • the film removal operation could be easily performed by using an easily peelable film (PETZZPS) as the film and providing the film with a protruding portion from the sheet.
  • the peel strength between the sheet and the film was 1015 gZcm. In addition, by coloring the film red, it was confirmed visually that it was the first reuse.
  • Example 5 the sheet was easily peelable (PETZZPETZZPS), so that the adhesion between the sheet and the outer edge of the ink outlet could be easily peeled off.
  • the peel strength between the sheet and the ink outlet was 1320 gZcm.
  • the sheet since the sheet was provided with a protruding portion from the outer edge of the ink ejection port, the ink ejection port could be easily peeled off.
  • the use of the sheet prevented the seal material from slipping out when the ink cartridge was removed from the printer.
  • Comparative Example 1 the film was not bonded to the sheet, and the force that provided the non-bonded part was firmly welded to the outer edge of the film and the ink outlet, even if the handle was pulled with a finger. As a result, it was impossible to remove the ink from the film easily.
  • Comparative Example 2 the outer edge portion of the film and the ink outlet is firmly heat-welded, the adhesive strength is high, the film does not have an unbonded portion that does not adhere to the sheet, and the ink is removed from the film. There was no protruding part from the outer edge of the mouth, so it was impossible to easily peel off the film.
  • the regenerated ink cartridge of the present invention is characterized by an ink cartridge having a laminated sheet that has a hole through which the ink supply needle can be inserted and at least a part of which overlaps the opening of the ink outlet.
  • One surface of the laminated sheet is thermally welded to the ink outlet with the same thermoplastic resin as the ink outlet, and the other side of the laminated sheet is a joint surface on which the film becomes easily peelable.
  • the film is adhered.
  • the joining surface of the sheet moves to the other surface side when a laser enters the thermoplastic resin of the laminated sheet, and can secure adhesive strength. Easy peelability can be secured.
  • the film can be easily removed by providing a protruding portion that protrudes outside the edge of the outer edge of the ink outlet.
  • the ink cartridge After performing the ink injection process, the ink cartridge is set in an ink jet printer (model: PM720C, manufactured by Seiko Epson Corporation) (at this point, the ink supply needle is inserted into the ink outlet), and after a test print, After removing the force, it was confirmed whether or not the sealing material had slipped out. Further, a peeling test was performed on the outer edge of the ink outlet and the adhesive surface of the sheet and the adhesive surface of the sheet and the film.
  • an ink jet printer model: PM720C, manufactured by Seiko Epson Corporation
  • the cartridge recycling method of the present invention can be obtained by processing such as the above-mentioned Examples 6, 7, and 8 by processing, or as in Examples 1 to 5, the film can be easily peeled due to material relations.
  • the ink cartridge and sheet of the present invention can be used not only as a recycled ink cartridge but also as a general-purpose product.

Landscapes

  • Ink Jet (AREA)

Abstract

Le problème à résoudre dans le cadre de cette invention concerne l'obtention d'une cartouche d'encre pourvue d'un orifice de décharge d'encre recyclable, et l'obtention d'un procédé de recyclage de cartouche d'encre. La solution proposée consiste à obtenir une cartouche d'encre qui comprend : un récipient d'encre (1) ; un orifice de décharge d'encre cylindrique (2), doté d'une section d'ouverture par laquelle une aiguille d'alimentation en encre peut s'insérer et qui permet à une encre de s'écouler depuis le récipient d'encre (1) ; un matériau d'étanchéité (4), disposé dans la section d'ouverture, qui empêche toute fuite d'encre par contact élastique avec la circonférence externe de l'aiguille d'alimentation en encre, lors de l'insertion de l'aiguille d'alimentation en encre ; et un film (5), qui permet l'insertion de l'aiguille d'alimentation en encre et empêche toute fuite d'encre depuis la section d'ouverture. Une feuille (3) est pourvue d'un orifice, par lequel l'aiguille d'alimentation en encre peut s'insérer, et une partie au moins de la feuille chevauche l'orifice de décharge d'encre (2). La feuille est disposée entre une partie, comprenant l'orifice de décharge d'encre (2) et le matériau d'étanchéité (4), et le film (5). La feuille (3) adhère au film (5).
PCT/JP2007/061449 2006-06-06 2007-06-06 Cartouche d'encre et procédé de recyclage de cartouche d'encre WO2007142263A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008520601A JP4785921B2 (ja) 2006-06-06 2007-06-06 インクカートリッジ及びインクカートリッジの再生方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006157595 2006-06-06
JP2006-157595 2006-06-06

Publications (1)

Publication Number Publication Date
WO2007142263A1 true WO2007142263A1 (fr) 2007-12-13

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ID=38801510

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/061449 WO2007142263A1 (fr) 2006-06-06 2007-06-06 Cartouche d'encre et procédé de recyclage de cartouche d'encre

Country Status (2)

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JP (1) JP4785921B2 (fr)
WO (1) WO2007142263A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8287108B2 (en) 2007-05-02 2012-10-16 Seiko Epson Corporation Sealing method of remanufactured liquid container
US10933645B2 (en) 2018-12-28 2021-03-02 Seiko Epson Corporation Printer and cartridge
CN115246271A (zh) * 2021-04-26 2022-10-28 船井电机株式会社 墨盒、墨盒保持机构以及印刷装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6127387B2 (ja) * 2012-06-04 2017-05-17 セイコーエプソン株式会社 インク噴射装置用インクボトル
EP3075540B1 (fr) * 2013-11-29 2020-12-30 Hitachi Industrial Equipment Systems Co., Ltd. Récipient de recharge et dispositif d'enregistrement à jet d'encre le comprenant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000238279A (ja) * 1999-02-19 2000-09-05 Seiko Epson Corp インクカートリッジ
JP2001199082A (ja) * 1999-10-08 2001-07-24 Seiko Epson Corp インクカートリッジ、インクジェット記録装置、及びインクカートリッジの装着方法
JP2003267438A (ja) * 2002-03-18 2003-09-25 Canon Inc 液体収納容器の包装構造およびその開封方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000238279A (ja) * 1999-02-19 2000-09-05 Seiko Epson Corp インクカートリッジ
JP2001199082A (ja) * 1999-10-08 2001-07-24 Seiko Epson Corp インクカートリッジ、インクジェット記録装置、及びインクカートリッジの装着方法
JP2003267438A (ja) * 2002-03-18 2003-09-25 Canon Inc 液体収納容器の包装構造およびその開封方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8287108B2 (en) 2007-05-02 2012-10-16 Seiko Epson Corporation Sealing method of remanufactured liquid container
US10933645B2 (en) 2018-12-28 2021-03-02 Seiko Epson Corporation Printer and cartridge
CN115246271A (zh) * 2021-04-26 2022-10-28 船井电机株式会社 墨盒、墨盒保持机构以及印刷装置
EP4082800A1 (fr) 2021-04-26 2022-11-02 Funai Electric Co., Ltd. Cartouche d'encre, mécanisme de support de cartouche et imprimante

Also Published As

Publication number Publication date
JP4785921B2 (ja) 2011-10-05
JPWO2007142263A1 (ja) 2009-10-29

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