EP0829368B1 - In schräger Richtung arbeitendes serielles Tintenstrahldrucksystem für Textilien - Google Patents

In schräger Richtung arbeitendes serielles Tintenstrahldrucksystem für Textilien Download PDF

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Publication number
EP0829368B1
EP0829368B1 EP19970306940 EP97306940A EP0829368B1 EP 0829368 B1 EP0829368 B1 EP 0829368B1 EP 19970306940 EP19970306940 EP 19970306940 EP 97306940 A EP97306940 A EP 97306940A EP 0829368 B1 EP0829368 B1 EP 0829368B1
Authority
EP
European Patent Office
Prior art keywords
printing
textile
printhead
printheads
scan
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.)
Expired - Lifetime
Application number
EP19970306940
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English (en)
French (fr)
Other versions
EP0829368A2 (de
EP0829368A3 (de
Inventor
Wilson P. Rayfield
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.)
Kodak Versamark Inc
Original Assignee
Kodak Versamark Inc
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Filing date
Publication date
Application filed by Kodak Versamark Inc filed Critical Kodak Versamark Inc
Publication of EP0829368A2 publication Critical patent/EP0829368A2/de
Publication of EP0829368A3 publication Critical patent/EP0829368A3/de
Application granted granted Critical
Publication of EP0829368B1 publication Critical patent/EP0829368B1/de
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    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078—Printing on textile
    • 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
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/16—Special spacing mechanisms for circular, spiral, or diagonal-printing apparatus
    • 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2103—Features not dealing with the colouring process per se, e.g. construction of printers or heads, driving circuit adaptations
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/30—Ink jet printing

Definitions

  • the present invention relates to continuous ink jet printing technology and, more particularly, to applying ink jet printing technology to textile printing.
  • a print head defines one or more rows of orifices which receive an electrically conductive recording fluid, such as for instance a water base ink, from a pressurized fluid supply manifold and ejects the fluid in rows of parallel streams.
  • Printers using such print heads accomplish graphic reproduction by selectively charging and deflecting the drops in each of the streams and depositing at least some of the drops on a print receiving medium, while others of the drops strike a drop catcher device.
  • Textiles are traditionally printed by gravure, rotary screens, or flat screen technologies and are printed in continuous web form to enable in-line steaming, washing or other processes.
  • Color patterns are generally limited to multicolor applications using custom mixed ink colors at each of a number of print stations along the web. Changing colors requires changing the inks and cleaning the screens or cylinders of each print station. Changing designs requires changing of the screens or gravure cylinders. Setup time is extensive and costly. This in turn drives the industry to long print runs and costly inventorying of large quantities of printed fabric.
  • Ink jet can generally print with dye or pigment based inks similar to those currently used by textile printers.
  • DOD ink jet printing heads form drops only when needed to print. This intermittent drop formation is generally limited to maximum drop frequencies of 10,000 to 20,000 hertz.
  • DOD printheads have been developed primarily for use in serial printers where the printhead scans along the length of a roller supporting the paper. Thus the array size of many DOD printheads is relatively small (less than 2 cm.). These two factors (low frequency of drop formation and small array size) limit the area of substrate (paper or textile) that can be printed within a set time.
  • DOD technology Since fabric printing involves a much wider width than paper, often two meters or more, DOD technology has been limited to low speed proofing and sample printing rather than applied to production printing of textiles. The achievement of production speeds (greater than 1,000 square meters per hour) would require an impractically large number of DOD printheads.
  • Continuous ink jet printing is geared more toward production speeds in industrial applications. This technology continually produces drops enabling drop rates of 100,000 hertz or more. Drops not needed for printing are charged, deflected, captured and recirculated.
  • CIJ as practised, for example, by Scitex Digital Printing, Inc., of Dayton, Ohio, utilises array lengths of 10-25 cm.
  • the current state of CIJ technology does not enable a single fixed printhead to cover the entire width of a textile web. While multiple fixed printheads could do so, this number would need to be repeated for each of the three or more process colours. Although this would result in a very high speed system (100-200 meters per minute), it would, like DOD, require an impracticably large number of printheads.
  • a serial printer is disclosed in JP-A-61032781 which dispenses with synchronous paper feed by providing that the printer head scans the paper with a speed having a component in the same direction as the paper feed direction.
  • the speed component of the print head in the paper feed direction coincides with the paper feed speed.
  • Ink jet is particularly well suited to textile printing in that it is a non-contact technology.
  • the ink is projected across a small air gap to the fabric which accommodates a wide variety of fabric textures.
  • Ink jet can generally print with dye or pigment based inks similar to those currently used by textile printers.
  • electrostatic printing technologies such as electrophotography (laser), ion deposition, or magnatography, there is generally no downstream fusing or fixing step required.
  • a method for printing on textile comprising providing at least one printhead for releasing ink; providing a textile web having a width projecting ink from the at least one printhead across an air gap to the textile web during the scanning.
  • the invention is characterised by orienting the at least one printhead to scan the width of the textile web at a bias angle, defining a scan with, and accelerating and decelerating the printhead during printing.
  • a different printhead can be used for each colour of ink, whereby the ink is projected across an air gap to the textile web during the scan.
  • Arranging the multiple printheads for parallel scanning allows each printhead to scan a separate swath simultaneously. Additional scan widths can be left between printheads to allow for sufficient drying time.
  • the present invention relates to the development of a configuration that combines movement of both the printheads and the textile to achieve full array coverage with a reasonable number of printheads.
  • the present invention maximizes printing efficiency by providing for a longer sweep and, therefore, a greater percentage of maximum velocity print time.
  • Efficiency of a configuration can be defined as the throughput actually achieved versus the throughput calculated assuming all printing is continuous at maximum speed.
  • printhead(s) 12 print on both the forward scan and return directions, with the scan direction and distance indicated by arrows 14a, 14b, 14c, 14d.
  • the web advances, in the direction indicated by arrows 16, the width of one printing swath 18, as the printhead 12 pauses at the end of each scan 14.
  • the printhead 12 will need to have completed printing on a given pass prior to advancing the substrate, or fabric 20, and the fabric will need to stop its movement prior to the start of the next pass of the printhead 12.
  • One method for improving efficiency of this approach is to accelerate and decelerate the printhead during printing by utilizing a true position encoder to control timing of the print drops. Due to the high drop frequency of continuous ink jet printing, it is necessary to move the printhead with relatively high speed to take full advantage of the printing capability.
  • Figs. 2a and 2b illustrate how a longer scan distance results in a higher percent of scan period at maximum velocity. With the scan direction perpendicular to the web edge, as shown in Fig. 2a, the only way to improve efficiency due to the acceleration and deceleration ramps needed is to widen the web, as shown in Fig. 2b.
  • the present invention proposes that the printhead scan the width of the textile web at a bias angle to the standard cross web perpendicular, as illustrated in Fig. 3.
  • the angled configuration illustrated in Fig. 3 enables a longer scan at full velocity with the same width web.
  • a longer scan distance 14 is achieved, as compared to the scan of Fig. 1, without increasing the web width 10.
  • the ramp-up acceleration and the ramp-down deceleration of printhead 12 has less negative impact on overall printing efficiency.
  • Fig. 4 illustrates a vacuum bed 22 configured to hold the web and belt flat under biased scanning printheads. In accordance with the present invention, it is possible to utilize the vacuum array on the flat bed to hold the belt and, thus, the fabric 20, flat during the printing scan.
  • This flat bed 22 is preferably shaped in the plan view to match the biased orientation of the print scan.
  • the flat bed 22 is shaped as a parallelogram in Fig. 4, to match the biased orientation of the print scan of Fig. 3.
  • a second encoder (not shown) can be used to control the precise movement of the fabric and belt between scans to assure registration of swath edges, as well as registration of the various color ink scans.
  • the printhead swath 18 would equal the array length along the web direction, as illustrated in Fig. 5. This increases the printed resolution perpendicularly across the swath by a factor of 1/COS ⁇ , where ⁇ is the bias angle of the swath to the cross web perpendicular. If the jet resolution of the array were sufficient, the printhead 12 could be angled such that the array is perpendicular to the biased scan direction, indicated by arrow 26, and an even wider swath 18 would be created during the scan, as is illustrated in Fig. 6. Thus, in the preferred orientation of Fig.
  • printheads with process color inks which are cyan (c), magenta (m) and yellow (y).
  • a fourth printhead with black ink (k) can also be included to improve image contrast. Additional printheads with other colors may be added to broaden the color space achievable.
  • Multiple printheads can be aligned on a single carriage to scan across the web serially. Serially mounting of the printheads would minimize the width of the flat bed controlling the belt and fabric, as illustrated in Fig. 7. However, the total scan length 28 would increase by "a", as shown in Fig. 7, to enable each of the three or more printheads 12 to cover the full width of the textile.
  • this configuration would provide insufficient time for each ink to absorb into the textile or dry prior to the next color ink striking the surface. This could cause spatter of inks and reduce image quality. This arrangement would also introduce color shift by laying down the process colors in a different sequence on alternate direction scans.
  • Parallel scanning allows each printhead 12 to scan a separate swath simultaneously, as illustrated in Fig. 8. The next color would be added at the subsequent printhead after the fabric and belt are advanced, providing time for the ink to penetrate or dry.
  • Parallel scanning also enables printing the process colors in the same sequence with each scan.
  • the angling of the printheads 12 accommodates the parallel configuration by allowing the printheads to overlap, thereby minimizing the size of the flat bed 22. If necessary, the printheads could be spaced to require one or more unprinted scan widths between adjacent printheads, to allow drying time before the next color overlaps. Of course, this approach requires a wider flat bed.
  • the biased scan approach creates a rectilinear matrix at the angle ⁇ to the fabric. Although this might pose problems for printing text on paper, it is not a significant factor for printing patterns and designs on fabric.
  • the angled matrix minimizes interference patterns caused by slight misalignment of the printing matrix with the weave of the fabric, which could occur more easily if the printhead scanned perpendicular to the web along the weave pattern.
  • the biased serial ink jet printing system is useful for printing colors and patterns on textiles, because ink jet technology offers a way to print digitally on textiles.
  • Multiple printheads printing a range of process colors can produce a color gamut enabling thousands of colors and shades within a single image.
  • This digital printing technology can instantly change colors and patterns with no change of ink or screens.
  • the textile printer can print only the yardage needed to fill current orders without concern for carrying large backup inventories. Repeat orders can be printed "on demand" with little concern for the size of the order.
  • This capability can provide textile consumers with a larger variety of colors and patterns in a timely and cost effective manner. This in turn can provide a larger number of "design collections" per year. Sending digital images directly to the printing system without making screens or mixing ink, digital printing of textiles can provide quicker responses to customers' demands.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Ink Jet (AREA)
  • Coloring (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (8)

  1. Verfahren zum Drucken auf Textilien, welches die folgenden Schritte enthält:
    Bereitstellen von zumindest einem Druckkopf (12) zur Abgabe von Tinte;
    Bereitstellen einer Textilbahn (20), welche eine Breite besitzt;
    Abstrahlen von Tinte aus dem zumindest einen Druckkopf (12) über einen Luftspalt zu der Textilbahn während eines Überlaufes,
    gekennzeichnet durch
    Ausrichten des zumindest einen Druckkopfes (12), um die Breite der Textilbahn (20) mit einem Diagonalwinkel, der eine Überlaufbreite definiert, zu überlaufen und
    Beschleunigen sowie Verlangsamen des Druckkopfes (12) während des Druckens.
  2. Verfahren zum Drucken auf Textilien nach Anspruch 1,
    bei dem der Schritt des Bereitstellens von zumindest einem Druckkopf (12) weiterhin den Schritt des Bereitstellens von mehreren Druckköpfen (12) zum Abgeben von mehreren Farbtinten enthält.
  3. Verfahren zum Drucken auf Textilien nach Anspruch 2,
    bei dem jede der Farbtinten aus einem unterschiedlichen Druckkopf (12) abgegeben wird.
  4. Verfahren zum Drucken auf Textilien nach Anspruch 2,
    weiterhin enthaltend den Schritt des Bereitstellens zumindest einer unbedruckten Überlaufbreite zwischen benachbarten Paaren der Druckköpfe (12).
  5. Verfahren zum Drucken auf Textilien nach Anspruch 3,
    bei dem die Druckköpfe (12) in einer parallelen Überlaufkonfiguration ausgerichtet werden.
  6. Verfahren zum Drucken auf Textilien nach Anspruch 5,
    bei dem jeder Druckkopf (12) zeitgleich einen separaten Streifen überläuft.
  7. Verfahren zum Drucken auf Textilien nach Anspruch 6,
    bei dem jede Farbtinte auf dem Substrate (20) in der gleichen Sequenz unabhängig von der Überlaufrichtung aufgebracht wird.
  8. Verfahren zum Drucken auf Textilien nach Anspruch 1,
    bei dem der Diagonalwinkel des zumindest einen Druckkopfes (20) einen Winkel im Bereich von 30° bis 60° enthält.
EP19970306940 1996-09-11 1997-09-08 In schräger Richtung arbeitendes serielles Tintenstrahldrucksystem für Textilien Expired - Lifetime EP0829368B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71010396A 1996-09-11 1996-09-11
US710103 1996-09-11

Publications (3)

Publication Number Publication Date
EP0829368A2 EP0829368A2 (de) 1998-03-18
EP0829368A3 EP0829368A3 (de) 1999-06-09
EP0829368B1 true EP0829368B1 (de) 2002-02-06

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EP19970306940 Expired - Lifetime EP0829368B1 (de) 1996-09-11 1997-09-08 In schräger Richtung arbeitendes serielles Tintenstrahldrucksystem für Textilien

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EP (1) EP0829368B1 (de)
CA (1) CA2215184A1 (de)
DE (1) DE69710277T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE203712T1 (de) * 1998-10-05 2001-08-15 Gerber Technology Inc Verfahren und gerät zum drucken auf eine durchlaufende materialbahn
US6056454A (en) 1998-10-05 2000-05-02 Gerber Technology, Inc. Method and apparatus for printing on a continuously moving sheet of work material
US6183063B1 (en) * 1999-03-04 2001-02-06 Lexmark International, Inc. Angled printer cartridge
JP3876684B2 (ja) 2000-12-21 2007-02-07 セイコーエプソン株式会社 カラーフィルタの製造方法、カラーフィルタの製造装置、液晶装置の製造方法、液晶装置の製造装置、ｅｌ装置の製造方法、ｅｌ装置の製造装置、材料の吐出方法、ヘッドの制御装置、電子機器
US6619794B2 (en) 2001-10-31 2003-09-16 Hewlett-Packard Development Company, L.P. System and method for optimizing ink drying time through multiple spaced printheads
US6984014B2 (en) 2002-01-24 2006-01-10 Hewlett-Packard Development Company, L.P. Inkjet printing system employing multiple inkjet printheads and method of performing a printing operation
ITCZ20030004A1 (it) * 2003-02-11 2004-08-12 Robustelli Srl Flli Dispositivo di stampa su tessuti.
ES2351944T3 (es) 2007-10-31 2011-02-14 Xennia Holland Bv Disposición de cabezales de impresión y procedimiento para la deposición de una sustancia.
GB0907362D0 (en) * 2009-04-29 2009-06-10 Ten Cate Itex B V Print carriage
GB2483473A (en) 2010-09-08 2012-03-14 Ten Cate Advanced Textiles Bv Print head module having staggered overlapping first and second printheads
JP5780737B2 (ja) 2010-10-15 2015-09-16 キヤノン株式会社 インクジェット記録装置およびインクジェット記録方法
CN115837805B (zh) * 2023-02-22 2023-05-26 苏州优备精密智能装备股份有限公司 实现显示面板侧边油墨喷印的设备及其喷墨打印控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58171703A (ja) * 1982-04-01 1983-10-08 Mitsubishi Electric Corp 磁気録画再生装置
JPS6132781A (ja) * 1984-07-25 1986-02-15 Nec Corp シリアルプリンタ
JPS63252757A (ja) * 1987-04-10 1988-10-19 Canon Inc 印字ヘツド
EP0646460B1 (de) * 1993-09-30 2000-03-08 Canon Kabushiki Kaisha Tintenstrahldrucksystem, welches zum Drucken auf Stoff und Papier geeignet ist

Also Published As

Publication number Publication date
EP0829368A2 (de) 1998-03-18
EP0829368A3 (de) 1999-06-09
DE69710277T2 (de) 2002-10-17
DE69710277D1 (de) 2002-03-21
CA2215184A1 (en) 1998-03-11

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