EP3538369B1 - Continuous multi-pass inkjet digital printing machine - Google Patents

Continuous multi-pass inkjet digital printing machine Download PDF

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Publication number
EP3538369B1
EP3538369B1 EP17868586.3A EP17868586A EP3538369B1 EP 3538369 B1 EP3538369 B1 EP 3538369B1 EP 17868586 A EP17868586 A EP 17868586A EP 3538369 B1 EP3538369 B1 EP 3538369B1
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EP
European Patent Office
Prior art keywords
inkjet
printing
machine
printed
digital printing
Prior art date
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Active
Application number
EP17868586.3A
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German (de)
French (fr)
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EP3538369A2 (en
EP3538369A4 (en
Inventor
Ali Turan
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Individual
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Individual
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Publication of EP3538369A4 publication Critical patent/EP3538369A4/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/135Nozzles
    • B41J2/145Arrangement thereof
    • B41J2/155Arrangement thereof for line printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/21Ink jet for multi-colour printing
    • B41J2/2132Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B41J2/2146Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding for line print heads

Definitions

  • Inkjet printing machines prints by spraying particular amount of paint material over the material which will be printed on.
  • Inkjet printing machines has two different constructions:
  • Inkjet printheads have different constructions varying by company and models. In digital inkjet printing machines, separate inkjet printheads were used for each color. Inkjet printhead producers has started to manufacture double (canal) inkjet printheads for reducing the number of printheads in the printing machines. Double (canal) inkjet printheads accept filling the canals different paint materials with different colors, and control them independently. In other words, a single printhead can be used for two paint materials of different color, instead of requiring two inkjet printheads. It can be considered that, inkjet printheads with more canals will be produced in the future. In the application, such inkjet printheads are referred as "multi-canal inkjet printheads (8)".
  • FIGURE-1 Continuous inkjet digital printing machine: Inkjet printheads (7) are placed inside the inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9). Within this system, equipment such as necessary electronics, communication system, paint material system is included.
  • FIGURE-2 Same structure as described for the continuous inkjet digital printing machine FIGURE-1, except the difference: Multi-canal inkjet printheads (8) are placed inside the inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9). Within this system, equipment for multi-canal inkjet printheads (8) such as necessary electronics, communication system, paint material system is included.
  • FIGURE-3 The bird's eye view of continuous inkjet digital printing machine in FIGURE-1.
  • FIGURE-4 The bird's eye view of continuous inkjet digital printing machine in FIGURE-2.
  • Belt (1) provides movement to the will-be-printed material by making it glued on the belt (1) in a way that lets it be removed later.
  • Will-be-printed material inputs to the machine from the inlet of the will-be-printed material to the machine (2) is glued on the belt (1) by the cylinder to glue the will-be-printed material (6) in a way that lets it be removed later.
  • the aim here is to avoid involuntary movements of will-be-printed material during printing. While the will-be-printed material glued onto the belt (3) moves along together with the belt with a fixed speed, printing is performed by spraying paint material from the inkjet printheads (7) and/or the multi-canal inkjet printheads (8) placed inside the inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9) in a way that will form the desired pattern.
  • Printing-completed material glued onto the belt (4) is lefts the machine being removed from the belt (1) in the direction of outlet of printing-completed material from the machine (5).
  • Controlled rotation movement is transferred to belt (1), by cylinders carrying and moving the belt (10), redactor driving the cylinder (11) and belt moving motor (12).
  • After printing the belt (1) is washed with the belt washing system (13), and dried with the belt drying system (14).
  • Continuous inkjet digital printing machines are produced as complying to the single pass printing method.
  • single pass system printing is performed by spraying the paint materials, which forms the pattern with different colors, from the inkjet printheads (7) and/or the multi-canal inkjet printheads (8) to the will-be-printed material only once.
  • the will-be-printed material moves continuously, there is no room to repeat spraying the identical color paint material to a point more than once.
  • speed of printing is reduced, and more paint material is sprayed to each point.
  • multi-pass printing is performed by scanning the medium multiple times.
  • the machine needs to be equipped with more than one inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9), each have the identical color printing materials.
  • the multi-canal inkjet printheads (8) with identical color paint materials.
  • the identical color paint materials should be available on the printing machine in consecutive or within equal distances along the direction from inlet of the will-be-printed material to the machine (2) to outlet of printing-completed material from the machine (5).
  • These paint materials are transferred to the multi-canal inkjet printheads (8) inside the one inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9), and are injected here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Ink Jet (AREA)

Description

  • Inkjet printing machines prints by spraying particular amount of paint material over the material which will be printed on. The paint material sprayed in particular amounts, mixes on the material which will be printed on, and desired colors are obtained.
  • Inkjet printing machines has two different constructions:
    1. 1. Scanner type inkjet digital printing machines: The system in which printing is done by making the inkjet printheads scan the material which will be printed on in width. The simplest example of such is the inkjet printers available in offices.
    2. 2. Continuous inkjet digital printing machines: These machines are also named as machines with standing multiple printheads. In such machines, the inkjet printheads are placed to form a line along the width of the machine. Printing operation is realized with paint material sprayed form the inkjet printheads over the which will be printed while the material passes down the inkjet printheads in a fixed speed. Such printing machines are produced as single pass (in which the paint material of each colors that is required to form the image pattern can only be spread once). An example to such a system is enclosed within the utility model application with number TR2009/07956 . Another example of a continuous multi-pass inkjet digital printing machine is disclosed in US 2006/0033764 . It does not disclose a multi-canal printhead in which the canals have the same color.
    INKJET PRINTHEADS:
  • Inkjet printheads have different constructions varying by company and models. In digital inkjet printing machines, separate inkjet printheads were used for each color. Inkjet printhead producers has started to manufacture double (canal) inkjet printheads for reducing the number of printheads in the printing machines. Double (canal) inkjet printheads accept filling the canals different paint materials with different colors, and control them independently. In other words, a single printhead can be used for two paint materials of different color, instead of requiring two inkjet printheads. It can be considered that, inkjet printheads with more canals will be produced in the future. In the application, such inkjet printheads are referred as "multi-canal inkjet printheads (8)".
  • FIGURES AND THEIR EXPLANATION
  • FIGURE-1:
    Continuous inkjet digital printing machine
    FIGURE-2:
    Continuous inkjet digital printing machine with multi-canal inkjet printheads (8)
    FIGURE-3:
    The bird's eye view of inkjet digital printing machine
    FIGURE-4:
    The bird's eye view of inkjet digital printing machine with multi-canal inkjet printheads (8)
    EXPLANATION OF NUMBERS USED IN THE FIGURES:
    1. 1. Belt (carrier of the print material (fabric, paper, nylon, etc.) which will be printed on)
    2. 2. Inlet of the will-be-printed material to the machine
    3. 3. Will-be-printed material glued onto the belt
    4. 4. Printing-completed material glued onto the belt
    5. 5. Outlet of printing-completed material from the machine
    6. 6. The cylinder to glue the will-be-printed material
    7. 7. Inkjet printheads
    8. 8. Multi-canal inkjet printheads
    9. 9. Inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing.
    10. 10. Cylinders carrying and moving the belt.
    11. 11. Redactor driving the cylinder
    12. 12. Belt moving motor
    13. 13. Belt washing system
    14. 14. Belt drying system
    EXPLANATIONS OF THE FIGURES:
  • FIGURE-1: Continuous inkjet digital printing machine: Inkjet printheads (7) are placed inside the inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9). Within this system, equipment such as necessary electronics, communication system, paint material system is included.
  • FIGURE-2: Same structure as described for the continuous inkjet digital printing machine FIGURE-1, except the difference: Multi-canal inkjet printheads (8) are placed inside the inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9). Within this system, equipment for multi-canal inkjet printheads (8) such as necessary electronics, communication system, paint material system is included.
  • FIGURE-3: The bird's eye view of continuous inkjet digital printing machine in FIGURE-1.
  • FIGURE-4: The bird's eye view of continuous inkjet digital printing machine in FIGURE-2.
  • EXPLANATION OF NUMBERS ON THR FIGURES AND THE WORK METHOD:
  • Belt (1) provides movement to the will-be-printed material by making it glued on the belt (1) in a way that lets it be removed later.
  • Will-be-printed material inputs to the machine from the inlet of the will-be-printed material to the machine (2) is glued on the belt (1) by the cylinder to glue the will-be-printed material (6) in a way that lets it be removed later. The aim here is to avoid involuntary movements of will-be-printed material during printing. While the will-be-printed material glued onto the belt (3) moves along together with the belt with a fixed speed, printing is performed by spraying paint material from the inkjet printheads (7) and/or the multi-canal inkjet printheads (8) placed inside the inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9) in a way that will form the desired pattern. Printing-completed material glued onto the belt (4) is lefts the machine being removed from the belt (1) in the direction of outlet of printing-completed material from the machine (5). Controlled rotation movement is transferred to belt (1), by cylinders carrying and moving the belt (10), redactor driving the cylinder (11) and belt moving motor (12). After printing the belt (1) is washed with the belt washing system (13), and dried with the belt drying system (14).
  • Continuous inkjet digital printing machines are produced as complying to the single pass printing method. In single pass system; printing is performed by spraying the paint materials, which forms the pattern with different colors, from the inkjet printheads (7) and/or the multi-canal inkjet printheads (8) to the will-be-printed material only once. As the will-be-printed material moves continuously, there is no room to repeat spraying the identical color paint material to a point more than once. In such system, in order to increase the density of paint material, speed of printing is reduced, and more paint material is sprayed to each point. In case of scanner type printers; however, multi-pass printing is performed by scanning the medium multiple times.
  • OUR PROPOSED CONTINUOUS MULTI-PASS INKJET DIGITAL PRINTING MACHINE:
  • To perform multi-pass printing in continuous inkjet digital printing machines; the machine needs to be equipped with more than one inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9), each have the identical color printing materials.
  • That is accomplished by filling the multi-canal inkjet printheads (8) with identical color paint materials. In other words, the identical color paint materials should be available on the printing machine in consecutive or within equal distances along the direction from inlet of the will-be-printed material to the machine (2) to outlet of printing-completed material from the machine (5). These paint materials are transferred to the multi-canal inkjet printheads (8) inside the one inkjet printhead groups which are lined up along the width of the machine in a way to leave no printing gap and will be steady throughout the time of printing (9), and are injected here.
  • In continuous inkjet digital printing machines, in order to increase the density of paint material, speed of printing is reduced, and more paint material is sprayed to each point. With this method, printing speed is decreased. As more paint is sprayed to a fixed place, the paint material diffuses on the surface before absorbed well.
  • In continuous multi-pass inkjet digital printing machines; however, the paint material is sprayed once; when the paint material is absorbed in to the will-be-printed material, then the paint material is sprayed to the particular point for a second time. With this method, without decreasing the printing speed, painting depth and density is obtained on the will-be-printed material in continuous multi-pass inkjet digital printing machines.
  • THE GOAL OF CONTINUOUS MULTI-PASS INKJET DIGITAL PRINTING MACHINE:
  • To obtain painting depth and density in continuous inkjet digital printing machines, without decreasing the printing speed. This patent application involves what needs to be done to reach this goal.

Claims (2)

  1. It is continuous multi-pass inkjet digital printing machine with the feature that; inkjet printhead groups (9), which are lined up along with width of the machine in a way to leave no printing gap and stand steady through the time of printing, consist of multi-canal inkjet printheads (8) that include a particular color print material enabling the spraying of the same color print materials to a particular point at different time instances from different sections.
  2. It is the method to increase paint depth and density on the material to be printed on continuous inkjet digital printing machine with the feature that consists of;
    - Spraying the identical color print material to the same points on the material to be printed, at different time instances from the multi-canal inkjet printheads (8),
    - Having the spraying ability, such that the identical color print materials, which are sprayed at different time instances from the multi-canal inkjet printheads (8), hit the same point on the material to be printed, by synchronizing the spraying to the movement speed of the material to be printed on.
EP17868586.3A 2016-11-13 2017-07-13 Continuous multi-pass inkjet digital printing machine Active EP3538369B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201616296 2016-11-13
PCT/TR2017/000082 WO2018088979A2 (en) 2016-11-13 2017-07-13 Continuous multi-pass inkjet digital printing machine

Publications (3)

Publication Number Publication Date
EP3538369A2 EP3538369A2 (en) 2019-09-18
EP3538369A4 EP3538369A4 (en) 2020-07-22
EP3538369B1 true EP3538369B1 (en) 2023-10-04

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EP17868586.3A Active EP3538369B1 (en) 2016-11-13 2017-07-13 Continuous multi-pass inkjet digital printing machine

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WO (1) WO2018088979A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216069251U (en) * 2021-03-08 2022-03-18 浙江山峪集团股份有限公司 Digital ink-jet dyeing machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2979398B1 (en) * 1998-07-13 1999-11-15 株式会社イセトー Left-right printing synchronization deviation detection method for inkjet printer
US6938970B2 (en) * 2002-07-19 2005-09-06 Agfa Gevaert Printing methods and apparatus for multi-pass printing
US7658460B2 (en) 2004-08-06 2010-02-09 Canon Finetech Inc. Printing apparatus, method, and program comprising a plurality of printer units using synchronized, divided print data
JP2006187872A (en) * 2004-12-28 2006-07-20 Canon Inc Inkjet recording apparatus and inkjet recording method
EP2094496B1 (en) * 2006-11-28 2012-06-27 Xjet Ltd. Inkjet printing method
GB2484418B (en) * 2007-04-23 2012-06-13 Inca Digital Printers Ltd Large-scale inkjet printer
US8864283B1 (en) * 2013-05-09 2014-10-21 Xerox Corporation System and method for visually detecting defective inkjets in an inkjet imaging apparatus

Also Published As

Publication number Publication date
WO2018088979A2 (en) 2018-05-17
WO2018088979A3 (en) 2018-08-23
EP3538369A2 (en) 2019-09-18
EP3538369A4 (en) 2020-07-22

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