EP2199089A1 - Dispositif d'impression à jet d'encre - Google Patents

Dispositif d'impression à jet d'encre Download PDF

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Publication number
EP2199089A1
EP2199089A1 EP08405307A EP08405307A EP2199089A1 EP 2199089 A1 EP2199089 A1 EP 2199089A1 EP 08405307 A EP08405307 A EP 08405307A EP 08405307 A EP08405307 A EP 08405307A EP 2199089 A1 EP2199089 A1 EP 2199089A1
Authority
EP
European Patent Office
Prior art keywords
printing
air
ink
transverse direction
print
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.)
Withdrawn
Application number
EP08405307A
Other languages
German (de)
English (en)
Inventor
Erich Willinger
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.)
Basler lacke AG
Original Assignee
Basler lacke 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 Basler lacke AG filed Critical Basler lacke AG
Priority to EP08405307A priority Critical patent/EP2199089A1/fr
Priority to SI200930811T priority patent/SI2361186T1/sl
Priority to PCT/EP2009/067096 priority patent/WO2010069930A1/fr
Priority to EP09771373.9A priority patent/EP2361186B1/fr
Publication of EP2199089A1 publication Critical patent/EP2199089A1/fr
Withdrawn legal-status Critical Current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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0022—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using convection means, e.g. by using a fan for blowing or sucking air

Definitions

  • the present invention relates to an ink-jet printing apparatus for printing non-absorbent surface printing media with water-based inks, comprising a printing table, feeding means for conveying a printing medium in a feeding direction, and a transversely displaceable printhead carriage having printing heads.
  • aqueous inks for printing uncoated substrates by means of ink jet printing technology is known from US Pat DE-A-103 47 034 known.
  • the use of the ink in the inkjet printing system is provided with at least one heating device in the form of a hot plate and / or an infrared heater.
  • the heating plate is arranged directly below, before and / or after the print head, so that the heating plate extends over the entire path covered by the print head.
  • an infrared radiator arranged above the surface to be printed is provided as the heating device.
  • a major disadvantage of this printing system is that it is only suitable for printing on thermally stable substrates.
  • the US-A-4,340,893 discloses an ink jet printer having an ink drying apparatus with louvers disposed on either side of the printhead for impinging the substrate to be imprinted immediately after printing with an optionally heated air stream.
  • the invention is based on the object to provide an ink jet printing device of the type mentioned, with which can be fixed at each pass from the printheads incident on the printing medium ink droplets before the droplets run and lead to a significant deterioration in print quality. Another object of the invention is to avoid banding.
  • an air duct with a slot nozzle is arranged above the pressure table, which extends over the printing area which can be traversed in the transverse direction and is arranged with a fan with a mouth opening directed transversely and directed against the support surface of the printing table.
  • the slit nozzle is preferably directed onto a printable area of the print heads during a pass in the form of a print strip.
  • the slot nozzle is preferably inclined relative to a vertical at an angle, wherein the angle is preferably between 5 and 15 °, in particular approximately between 6 and 10 °.
  • the air duct for aligning the slot nozzle in the feed direction is displaced parallel and formed tiltable relative to a vertical.
  • To generate a uniform air jet over the entire mouth opening in the transverse direction of the air duct is preferably divided by at least one provided with air passage openings partition in at least two sub-channels.
  • the blower is preferably infinitely variable in its strength.
  • the blower is preferably associated with a heating device with preferably infinitely variable temperature.
  • the printhead carriage may be equipped with an air baffle and / or with Lucasabehrsblechen to reduce under the slide forming air vortices.
  • ink jet printing device with water-based inks printed plastic films are particularly suitable for decorating and protecting articles made of composite materials, especially sports and leisure equipment, such as skis, snowboards, skateboards surfboards and the like objects with decorative surface design.
  • the printing medium 14 which is usually in the form of rolls, is guided over the printing table 12 in the feed direction x by means of transport rollers 16, 18 of a feed device 20.
  • the printing medium 14 rests flat in the printing area on the printing table 12, 12 openings 13 are provided for generating a negative pressure acting on the back of the resting on the printing table 12 print medium 14 in a horizontal support surface 11 of the printing table.
  • the printing medium 14 is usually a film or a thin plate of a thermoplastic material, such as polyamide, ABS / TPU, PVC, PE.
  • the plastics have a non-absorbent surface.
  • water-based inks are used.
  • a printhead carriage 22 with, for example, eight printheads 24.
  • the printing technology is piezo inkjet printing.
  • the print head carriage 22 is slidably guided in the transverse direction y on two guide rods 26, 28 arranged parallel to one another and at a right angle to the feed direction x.
  • the printing process takes place in successive displacement movements - the so-called fitting - of the print head carriage 22 in the transverse direction y
  • On each pass is carried out by means of the print heads 24 an order of color dots on the printing medium 14 within a print strip 30 of a width b of z. B. 12 mm, which is part of the entire print image.
  • the printing medium 14 is transported by means of the transport rollers 16, 18 of the feed device 20 in the feed direction x by one of the width b of the print strip 30 generated during a pass corresponding distance forward. This process is repeated until completion of the entire print image to be printed.
  • the air duct 32 has a substantially rectangular outer cross section and is internally provided with two partitions 33a, 33b extending over the entire length of the air duct 32 and dividing the air duct 32 into three part ducts 32a, 32b, 32c.
  • a further dividing wall 33c separates the partial passage 32c from the wedge-shaped slot nozzle 34.
  • the dividing walls 33a, 33b, 33c are provided with air passage openings 38 distributed substantially regularly over the entire length of the air guide passage 32.
  • the air passage openings 38 may, for example, consist of several rows of longitudinal slots extending parallel to one another and extending in the transverse direction y, the longitudinal slots being arranged offset from one another, for example, relative to one another ( Fig. 4 ). In principle, however, all forms of air passage openings 38 are possible, which lead to a uniform over the entire length of the air duct 32 air flow at the mouth opening 36 of the slot nozzle 34.
  • the two walls 40, 42 bordering the slot nozzle 34 are curved in the region of the mouth opening 36 in such a way that a plane of symmetry of the walls 40, 42 in the mouth region relative to the vertical one of the outflow direction of an air jet S from the slot nozzle 34 corresponding angle ⁇ of about 8th °. Due to the possibilities provided for a parallel displacement of the air duct 32 in the feed direction x and by tilting the position of the air duct 32 relative to the vertical, the impact point or the Impact line of the air jet S flowing out of the slit nozzle 34 exactly on the way in the transverse direction y of the printheads 24 traversable way, ie on the pressure strip 30 generated during a pass set.
  • this controller 50 calculates the required control signals of the respective constituent components of the ink jet printing apparatus 10.
  • the controller 50 is provided with a carriage controller for moving the printhead carriage 22 in the transverse direction y, with a feed control for controlling the feed device 20 for moving the print medium 14 in the feed direction x and a nozzle control for controlling the nozzles 24 for ejecting colored ink droplets 48 connected to the print medium 14.
  • the air jet S causes a partial evaporation of the water in the ink droplets 48.
  • the optimum water evaporation can be adjusted by appropriate preheating and drying of the air.
  • the flattened and due to the partial drying a higher pigment concentration having ink droplets 48a are fixed in this way on the surface of the printing medium 14 and prevented from bleeding ( Fig. 6 ).
  • the printhead carriage 22 is covered with an air jet emerging from the slit nozzle 32 forward air deflecting plate 52 in the feed direction.
  • the print head carriage 22 is equipped with a spoiler or air deflector plate 54, 56 against the printing table 12. The spoilers 54, 56 prevent the formation of air vortices under the printhead carriage 22.

Landscapes

  • Ink Jet (AREA)
EP08405307A 2008-12-16 2008-12-16 Dispositif d'impression à jet d'encre Withdrawn EP2199089A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08405307A EP2199089A1 (fr) 2008-12-16 2008-12-16 Dispositif d'impression à jet d'encre
SI200930811T SI2361186T1 (sl) 2008-12-16 2009-12-14 Priprava za brizgalno tiskanje
PCT/EP2009/067096 WO2010069930A1 (fr) 2008-12-16 2009-12-14 Dispositif d'impression à jet d'encre
EP09771373.9A EP2361186B1 (fr) 2008-12-16 2009-12-14 Dispositif d'impression à jet d'encre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08405307A EP2199089A1 (fr) 2008-12-16 2008-12-16 Dispositif d'impression à jet d'encre

Publications (1)

Publication Number Publication Date
EP2199089A1 true EP2199089A1 (fr) 2010-06-23

Family

ID=40404001

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08405307A Withdrawn EP2199089A1 (fr) 2008-12-16 2008-12-16 Dispositif d'impression à jet d'encre
EP09771373.9A Not-in-force EP2361186B1 (fr) 2008-12-16 2009-12-14 Dispositif d'impression à jet d'encre

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09771373.9A Not-in-force EP2361186B1 (fr) 2008-12-16 2009-12-14 Dispositif d'impression à jet d'encre

Country Status (3)

Country Link
EP (2) EP2199089A1 (fr)
SI (1) SI2361186T1 (fr)
WO (1) WO2010069930A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9345573B2 (en) 2012-05-30 2016-05-24 Neovasc Tiara Inc. Methods and apparatus for loading a prosthesis onto a delivery system
US9956788B2 (en) 2015-11-24 2018-05-01 Stitch City Industries Devices and methods for printing on boards
JP2022506807A (ja) * 2018-11-13 2022-01-17 ヒューレット－パッカード デベロップメント カンパニー エル．ピー． 対流式ガスバー

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340893A (en) 1980-11-05 1982-07-20 Xerox Corporation Scanning dryer for ink jet printers
US6116728A (en) * 1992-02-26 2000-09-12 Canon Kabushiki Kaisha Ink jet recording method and apparatus and recorded matter
US20030160852A1 (en) * 2002-02-28 2003-08-28 Pickup Ray L. Ink assist air knife
EP1384593A2 (fr) * 2002-07-26 2004-01-28 Hewlett-Packard Development Company, L.P. Systèmes à jet d'encre et procédés associés
BE1014932A3 (nl) * 2002-06-20 2004-06-01 Borremans Ghislain Droogsysteem voor inkjet printer door ventilatie met gedroogde lucht.
DE10347034A1 (de) 2003-10-09 2005-05-19 J. S. Staedtler Gmbh & Co. Kg Tinte sowie deren Verwendung
JP2007223129A (ja) * 2006-02-22 2007-09-06 Mutoh Holdings Co Ltd 印字装置
EP1862513A1 (fr) * 2006-06-01 2007-12-05 Basler lacke ag Encre destinée à l'impression de substrats à surface non absorbante
EP1987957A1 (fr) * 2006-02-22 2008-11-05 Mutoh Industries Ltd. Imprimante jet d'encre

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340893A (en) 1980-11-05 1982-07-20 Xerox Corporation Scanning dryer for ink jet printers
US6116728A (en) * 1992-02-26 2000-09-12 Canon Kabushiki Kaisha Ink jet recording method and apparatus and recorded matter
US20030160852A1 (en) * 2002-02-28 2003-08-28 Pickup Ray L. Ink assist air knife
BE1014932A3 (nl) * 2002-06-20 2004-06-01 Borremans Ghislain Droogsysteem voor inkjet printer door ventilatie met gedroogde lucht.
EP1384593A2 (fr) * 2002-07-26 2004-01-28 Hewlett-Packard Development Company, L.P. Systèmes à jet d'encre et procédés associés
DE10347034A1 (de) 2003-10-09 2005-05-19 J. S. Staedtler Gmbh & Co. Kg Tinte sowie deren Verwendung
JP2007223129A (ja) * 2006-02-22 2007-09-06 Mutoh Holdings Co Ltd 印字装置
EP1987957A1 (fr) * 2006-02-22 2008-11-05 Mutoh Industries Ltd. Imprimante jet d'encre
EP1862513A1 (fr) * 2006-06-01 2007-12-05 Basler lacke ag Encre destinée à l'impression de substrats à surface non absorbante

Also Published As

Publication number Publication date
EP2361186B1 (fr) 2013-10-02
WO2010069930A1 (fr) 2010-06-24
EP2361186A1 (fr) 2011-08-31
SI2361186T1 (sl) 2014-02-28

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