WO2003100152A1 - Ink-jet printer for textile printing and method for producing textile print - Google Patents

Ink-jet printer for textile printing and method for producing textile print Download PDF

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Publication number
WO2003100152A1
WO2003100152A1 PCT/JP2003/006335 JP0306335W WO03100152A1 WO 2003100152 A1 WO2003100152 A1 WO 2003100152A1 JP 0306335 W JP0306335 W JP 0306335W WO 03100152 A1 WO03100152 A1 WO 03100152A1
Authority
WO
WIPO (PCT)
Prior art keywords
endless belt
fabric
textile
ink jet
electrostatic attraction
Prior art date
Application number
PCT/JP2003/006335
Other languages
French (fr)
Japanese (ja)
Inventor
Tatsuo Yajima
Kenji Negishi
Hiroya Kimoto
Original Assignee
Konica Minolta Holdings, 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 Konica Minolta Holdings, Inc. filed Critical Konica Minolta Holdings, Inc.
Priority to JP2004507588A priority Critical patent/JP4389782B2/en
Priority to AU2003235384A priority patent/AU2003235384A1/en
Publication of WO2003100152A1 publication Critical patent/WO2003100152A1/en

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0056Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
    • D06B11/0059Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by spraying
    • 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
    • B41J15/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/046Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for the guidance of continuous copy material, e.g. for preventing skewed conveyance of the continuous copy material
    • 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
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078Printing on textile

Definitions

  • the present invention relates to an ink-jet printer, a method for producing printed matter using the ink jet printer, and a printed matter produced using the ink jet printer.
  • the present invention relates to an ink jet printing suitable for ink jet printing on a fabric, a method for producing a printed product using the ink jet printing device for printing, and a printed product prepared using the printing printer.
  • dots are formed by ejecting minute ink droplets from a recording head and attaching the droplets to a recording medium such as paper, thereby recording images and characters. It is used in various fields such as various printers, facsimile machines, and computer terminals because it has low noise, does not require processes such as development and fixing, and can easily perform full power recording, and is used for textile printing. Is also used.
  • the back side of the cloth is positioned at a position facing the recording head.
  • a method of providing a guide plate for adsorbing a cloth by air has been proposed.
  • a fabric that easily expands and contracts it is not possible to uniformly convey the fabric because it is adsorbed, causing distortion and deformation of the image formed on the fabric. In some cases.
  • these wrinkles and expansion and contraction are likely to occur as the width of the fabric is increased.
  • the ink jet recording system there has been proposed a method of recording an image by ejecting ink while conveying a recording material by an endless belt. In this case, in order to obtain a uniform image, it is necessary to bring the recording material into close contact with the endless belt.
  • One method for this is to apply glue to an endless belt so that the recording material is in close contact.
  • JP-A-7-330185 and JP-A-2001-240702 include a part facing a recording head while conveying a recording material by an endless belt.
  • a device for generating an electrostatic attraction force on the inner peripheral side of the endless belt By providing a device for generating an electrostatic attraction force on the inner peripheral side of the endless belt, a technique of ejecting ink while the recording material is in close contact with the endless belt has been proposed.
  • the devices disclosed in these publications are not devices that sufficiently consider printing on fabric, and in the above-mentioned publication, the conveyor belt is made of synthetic resin or synthetic rubber of about 0.1 to 0.2 mm.
  • the present inventor has found that when an ink jet printer for textile printing is used to convey a cloth, a glass cloth woven with glass fibers is used as an endless conveying belt to provide a sufficient conveyance belt. It has been found that durability and anti-stretch properties can be achieved and a stable image can be obtained. Furthermore, it has been found that, since a sufficient strength can be maintained even when the fabric is thin, the fabric can be efficiently brought into close contact with the endless belt by a device that generates an electrostatic attraction force.
  • the ink that has passed through the fabric penetrates into an endless belt made of glass cloth, and the material contained in the ink causes It has been found that conductivity occurs in the endless belt, the electrostatic attraction force against the fabric is reduced, and the electrostatic attraction force varies, thereby causing a problem that a stable image cannot be obtained. Also, on the surface of the endless belt It was also found that when the ink was attached and deposited, the distance between the recording head and the fabric became uneven, and a stable image could not be obtained. In addition, the ink adhered to the endless belt may adhere to the fabric again and stain the back surface of the fabric. Disclosure of the invention
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to bring a fabric into close contact with an endless belt by electrostatic attraction, and to make the transport belt have sufficient strength and strength. By satisfying the anti-expansion property and durability, it is possible to suppress the occurrence of wrinkles and expansion and contraction during the transport of the fabric, and to form a high-quality image without distortion and deformation, and at the same time, the ink passed through the fabric.
  • the object of the present invention is to provide an ink jet printer suitable for ink jet printing on a fabric and a method for producing a printed print, wherein the ink does not adhere again.
  • One of the constitutions of the present invention is a printing ink jet printer for recording an image on a fabric, a fabric supply device for supplying the fabric; an endless belt suspended by a plurality of rollers including at least one driving roller.
  • a transport device that transports the fabric supplied from the fabric supply unit by being rotated by driving the drive roller; a recording head that ejects ink to the fabric transported by the transport device; A first belt that is disposed at a position facing the recording head via a belt and in contact with an inner peripheral surface of the endless belt, and that causes the endless belt to attract the fabric by generating an electrostatic attraction force; An electrostatic attraction force generating device; and a cleaning device that is located downstream of the recording head in the fabric transport direction and cleans the endless belt.
  • the transfer device by using an endless belt made of a glass cloth subjected to a water-repellent treatment, the transfer device has excellent durability and stretch-prevention properties even for a thin endless belt. At the same time, by preventing the ink passing through the fabric from penetrating into the endless belt, the electrostatic attraction force to the fabric does not vary, and a stable image can be obtained. Further, by providing a cleaning device in the transport direction downstream of the portion where the ink is ejected, it is possible to effectively prevent the ink that has passed through the fabric from adhering to the fabric again and soiling the back surface of the fabric. it can.
  • the printing ink jet printing apparatus holds the cloth supply device movably in the direction of the endless belt so as to abut on the endless belt, and the holding device via the endless belt.
  • a first electrostatic attraction force generating device that faces the recording head and abuts on the inner peripheral surface side of the endless belt, and is located at and near the abutting portion between the fabric supply unit and the endless belt; It is preferable that a second electrostatic attraction force generating device is provided so as to be in contact with the inner peripheral surface of the endless belt so as to sandwich the endless belt between the endless belt and the cloth supply unit.
  • the first electrostatic attraction force generating device and the second electrostatic attraction force generating device are constituted by bodies.
  • the surface resistance value of the endless belt is 1 0 8 Omega or good preferred, and more preferably 1 0 1 3 ⁇ or more.
  • the endless belt is an endless belt made of a glass cloth coated with a fluororesin at least on a surface in contact with the fabric. Further, it is preferable that the endless belt is an endless belt made of a glass cloth coated on both sides with a fluororesin.
  • the endless belt is an endless belt made of a glass cloth having both surfaces coated with a fluororesin by dip coating.
  • the thickness of the endless belt is preferably 1 mm or less, more preferably 0.2 mm or less.
  • the cloth supply unit preferably has a form in which a roll-shaped cloth is rotatably held.
  • Another aspect of the present invention is a method for producing a printed textile using the ink jet printer for textile printing, wherein the textile is supplied from the textile supply device, and the textile is transported by the transport device. Performing a printing process by ejecting ink from the recording head to the fabric that has been attracted to the endless belt by the electrostatic attraction force generating device, and the cleaning device. And a step of washing the endless belt according to (1).
  • Another configuration of the present invention is a printed textile produced using the ink jet printer for textile printing.
  • FIG. 1 is a schematic cross-sectional view illustrating an example of a mechanical configuration of an ink jet printer for textile printing according to an embodiment of the present invention.
  • FIG. 1 is a top view illustrating a configuration of an electrostatic attraction force generating device according to the present invention.
  • FIG. 2 is a cross-sectional view of the electrostatic attraction force generating device according to the present invention, taken along section line AA shown in FIG. 2 (a).
  • FIG. 4 is a diagram for describing an electrostatic attraction force generated between the electrostatic attraction force generation device and the cloth.
  • FIG. 2 is a schematic cross-sectional view showing an embodiment of an ink jet printing machine for fabric printing having a different mechanical structure from FIG.
  • FIG. 5 is a schematic cross-sectional view showing an embodiment of an ink jet printing machine for fabric printing having a mechanical structure different from those of FIGS. 1 and 4.
  • the endless belt used in the transport unit of the present invention is an endless belt made of a glass cloth that has been subjected to a water-repellent treatment on at least a side on which a cloth is transported.
  • the glass cloth used in the present invention is not particularly limited as long as it is a glass cloth prepared by weaving glass fibers.
  • a glass fiber produced by any production method such as a Marunolle melt method, a direct melt method, and a stable method can be used.
  • the glass cloth include a plain woven ply-twisted yarn obtained by twisting several non-alkali glass long fibers (single fibers).
  • the yarn density in the longitudinal and transverse directions is preferably 20 yarns / 25 mm or more, more preferably 30 yarns 25 mm or more, from the viewpoint of strength and durability.
  • the water repellent treatment is not particularly limited as long as the water repellency of the endless belt surface is improved, but it is preferable to apply a fluororesin or a silicone resin.
  • fluororesin not only improves water repellency, but also further improves the durability and moisture resistance of glass cloth, and achieves a high volume resistivity and high surface resistivity, so that the electrostatic attraction force from the electrostatic attraction part can be improved. Is preferred because it can be stably transmitted to the fabric.
  • Fluororesins include polytetrafluoroethylene (PTFE), perfluoroalkoxyalkane (PFA), perfluoroethylene propene copolymer (PFEP), polychlorotrifluoroethylene (PCTFE), ethylene tetratetraethylene
  • PTFE polytetrafluoroethylene
  • PFA perfluoroalkoxyalkane
  • PFEP perfluoroethylene propene copolymer
  • PCTFE polychlorotrifluoroethylene
  • EFE fluoroethylene copolymer
  • ECTFE ethylene-chloride trifluoroethylene cobolimer
  • PVDF polyvinylidene fluoride
  • an endless belt made of glass cloth coated on both surfaces with a fluororesin is preferable.
  • a fluororesin By applying a fluororesin on both sides, not only the durability and moisture resistance are further improved, but also the frictional force between the electrostatic adsorption part where the back of the endless belt is in contact and the back of the endless belt.
  • By reducing the driving torque and the driving torque of the driving roller it is possible to suppress an increase in the size of the apparatus and an increase in manufacturing cost.
  • the method of applying the fluororesin to the glass cloth there is no particular limitation on the method of applying the fluororesin to the glass cloth, and conventionally known methods such as die coating, bead coating, curtain coating, and spray coating can be used. Coating is preferred. Specifically, the glass cloth is impregnated with a dispurgeon containing a fluororesin, water, and a small amount of a surfactant, and then dried and fired. By repeating these steps a predetermined number of times Therefore, a belt material having desired characteristics can be obtained.
  • FIG. 1 is a schematic cross-sectional view showing an ink jet printer for textile printing equipped with an electrostatic attraction force generating device of the present invention and a transport mechanism using an endless belt.
  • the ink jet printer for textile printing is a method in which the cloth 1 is suspended and rotated by rollers described below for transporting the fabric 1 in a transport direction in a close contact manner (a method for tightly attaching the fabric 1 will be described later).
  • value 1 an endless belt 5 made of a glass cloth having the above 8 Omega (why a non-conductive material will be described later), the fabric supply device formed by winding a fabric 1 as rotatably held recording medium (former Winding) 1a, a recording head 2 that is located downstream of the original winding 1a in the transport direction of the fabric 1 and emits ink from a plurality of nozzles (not shown) to form an image on the fabric 1, and a recording head 2a.
  • Clock by means Drive roller 6 that rotates the endless belt 5 by rotating in the direction, a guide roller 7 that is rotatably provided by suspending the endless belt 5, and an endless belt 5 that is pressurized by urging means (not shown).
  • the cloth 1 and the endless belt 5 are sandwiched between the drive roller 6 and the tension roller 9 which is rotatably supported by a suitable tension, and a predetermined pressure is applied by an urging means (not shown).
  • An electrostatic chuck that is positioned so as to oppose the rotatable holding roller 10 with the recording head 2 via the endless belt 5 and is in contact with the inner peripheral surface of the endless belt 5. It is mainly composed of a plate 12 (first electrostatic attraction force generating device) and a cleaning device 13 for removing dirt such as an ink adhered to the surface of the endless belt 5.
  • the fabric 1 unwound from the original winding 1a is conveyed in the direction of the arrow shown in the figure, and is further conveyed together with the endless belt 5 by the driving roller 6 and the holding roller 10 (details of the conveyance will be described later). Do).
  • the scanning of the carriage 3 and the ejection of the ink from the recording head 2 which are appropriately controlled are performed, so that the ink jet printing is performed on the cloth 3.
  • FIG. 2 shows the configuration of the electrostatic attraction plate 12.
  • FIG. 2 (a) is a top view of the electrostatic attraction plate 12
  • FIG. 2 (b) is a cross-sectional view taken along a cutting line A-A shown in FIG. 2 (a).
  • the electrostatic attraction plate 12 has a comb-shaped electrode plate 101 and a comb-shaped ground plate 1 on an insulating substrate 103.
  • Numerals 02 are fixed in a nested state at an interval from each other, and a surface adsorption layer 104 made of a high dielectric substance is formed on the electrode plate 101 and the earth plate 102.
  • the electrostatic attraction plate 12 is arranged as shown in FIG. 1 so that the surface adsorption layer 104 is in contact with the inner peripheral surface of the endless belt 5.
  • the endless belt 5 is non-conductive and is 10 8 ⁇ or more, more preferably 10 13 ⁇ or more.
  • the treatment for increasing the water repellency of the surface is performed by fluorine coating as a specific example.
  • the yarn density is 42 length ⁇ 25 mm, 32 width / 25 mm, thickness 1 75 rn, mass 200 g / m 2
  • Glass cloth was obtained.
  • a belt material was obtained by repeatedly impregnating a fluororesin (polytetrafluoroethylene PTFE) disposable, drying and firing to perform resin coating.
  • the obtained belt material has a thickness of 240 ⁇ 20 ⁇ , a mass of 500 ⁇ 65 g / m 2 , a tensile strength in the vertical direction of 32 ON / cm or more, a tensile strength in the horizontal direction of 26 ON / cm or more, and a tear strength in the vertical direction of 1
  • the tear strength in the transverse direction was 14 N or more, and the rupture voltage value was 3.5 kV or more.
  • the fabric 1 is brought into close contact with the endless belt 5 by the electrostatic attraction force generated between the electrostatic attraction plate 12 and the fabric 1, and the drive roller 6 is driven to rotate the endless belt 5 in the transport direction. Then, the fabric 1 is given a force in the direction of the endless belt 5 by the electrostatic attraction force, so that a frictional force is generated between the fabric 1 and the endless belt 5, and the fabric 1 is an endless belt. Go with 5 As described above, since the cloth 1 is conveyed while being in uniform contact with the endless belt 5, wrinkling and expansion and contraction are suppressed. Therefore, an image formed on the fabric 1 is not distorted or deformed, and a good image can be obtained. In addition, since the conveyance of the fabric 1 by the electrostatic attraction force is not affected by the width of the fabric 1, it can be said that the width of the fabric 1 is more effective.
  • the electrostatic attraction force generated between the electrostatic attraction plate 12 and the fabric 1 must be sufficient. Since the electrostatic attraction force is a force that pulls electric charges, that is, a Coulomb force, it is inversely proportional to the square of the distance.Since the distance is the thickness of the endless belt 5, in this embodiment, in order to obtain a sufficient frictional force, The thickness of the endless belt 5 is 1 mm or less, more preferably 0.2 mm or less. Further, in the case of a thin cloth or a coarsely-woven cloth, the ink ejected from the recording head 2 may pass through the cloth 1 and adhere to the endless belt 5.
  • a cleaning device 13 for preventing the ink adhering to the endless belt 5 from adhering to the cloth 1 again is provided.
  • the cleaning device 13 is wound with a water-absorbing member such as a sponge, and a part of the cleaning device 13 is a cleaning agent such as water stored in a cleaning agent tank 15.
  • the cleaning roller 14 rotating clockwise is brought into contact with the endless belt 5 so that the excess cleaning agent can be squeezed by the squeezing roller 16 and the surface of the endless belt 5 is cleaned by the cleaning roller 14. May be used to clean the ink attached to the endless belt 5.
  • the endless belt 5 is provided with the fluorine coating to enhance the water repellency, so that the attached ink is further cleaned.
  • FIG. 4 shows another embodiment of the ink jet printer for textile printing.
  • a guide roller 8 is added in addition to the embodiment shown in FIG. 1, so that the outer periphery thereof abuts on the endless belt 5 by urging means (not shown) or its own weight. Is held movably in the direction of the endless belt 5 by a holding means (not shown) so that the fabric 1 as a recording medium is fed out from the abutting portion, and the abutting portion between the original winding 1a and the endless belt 5 and It is located in the vicinity of the endless belt 5 and abuts against the inner peripheral surface of the endless belt 5, so that the endless belt 5 is sandwiched between the original winding 1a and the electrostatic attraction plate 1 1
  • the electrostatic attraction plate 11 may have the same configuration as the electrostatic attraction plate 12 described with reference to FIG.
  • the electrostatic attraction force is generated between the fabric 1 fed from the original winding 1a and the electrostatic attraction plate 11 and between the fabric 1 and the electrostatic attraction plate 12. Then, when the fabric 1 is brought into close contact with the endless belt 5 and the drive roller 6 is driven to rotate the endless belt 5 in the transport direction, a frictional force is generated between the fabric 1 and the endless belt 5 by electrostatic attraction. Then, the fabric 1 moves together with the endless belt 5 while being unreeled by the endless belt 5. As described above, the fabric 1 is fed out while being in close contact with the endless belt 5, so that wrinkles and expansion and contraction when being fed out are suppressed, and furthermore, wrinkles and expansion and contraction are suppressed, and the fabric 1 is kept in close contact with the endless belt 5.
  • the sheet Since the sheet is conveyed, the image formed on the cloth 1 by the recording head 2 is not distorted or deformed, and a better image can be obtained.
  • the conveyance of the fabric 1 by the electrostatic attraction force is not affected by the width of the fabric 1, so that it can be said that the width of the fabric 1 is further improved.
  • FIG. 5 shows another embodiment of an ink jet pudding for textile printing.
  • the transport direction between the original winding 1a and the recording head 2 is set to be horizontal, so that the original winding 1a of the fabric 1 of the embodiment shown in FIG.
  • Two opposing electrostatic attraction plates 11 1 and 12 are composed of one electrostatic attraction plate 17.
  • the electrostatic attraction plate 17 may have the same configuration as the electrostatic attraction plate 12 described in FIG. With this configuration, the cost of the device can be reduced.
  • a so-called scanning head that forms an image by ejecting ink while moving the recording head 2 in the main scanning direction has been described.
  • a so-called line head having a nozzle in the entire image forming area may be used.
  • an endless belt made of glass cloth subjected to a water-repellent treatment for a transfer device excellent adhesion, excellent durability and excellent durability of the fabric due to electrostatic attraction force can be obtained. It is possible to obtain a transport device having an anti-stretch property, and at the same time, prevent the ink that has passed through the fabric from seeping into the endless belt, so that there is no variation in electrostatic attraction force to the fabric and a stable image can be obtained. Obtainable. Furthermore, by providing a cleaning device in the transport direction downstream of the site where the ink is ejected, it is possible to effectively prevent the ink that has passed through the fabric from adhering to the fabric again and soiling the back surface of the fabric. can do.

Abstract

An ink-jet printer for textile printing comprises a transportation device for transporting textile supplied from a textile supplying portion by circulating by the drive of a drive roller an endless belt supported by rollers, a recording head for jetting ink to the textile transported by the transporting device, a first electrostatic attraction force generation device that is located at a position opposing the recording head and being in contact with the inner peripheral face side of the endless belt and causes the textile to be attracted to the endless belt, and a cleaning device that is located nearer to the downstream side in a transportation direction of the textile than the recording head and cleans the endless belt. The face of the endless belt on the side that is in contact with at least the textile is formed from glass cloth with water-repellent finish.

Description

明細 ΐ 捺染用ィンクジエツトプリンタ、 及び捺染印刷物の製造方法 技術分野  Description ィ Ink jet printer for printing and manufacturing method of printed matter
本発明は、インクジェットプリンタ、前記インクジエツトプリンタを用いた捺染 印刷物の製造方法及び前記ィンクジエツトプリンタを用いて作成された捺染印刷 物に関する。特に、布帛へのインクジエツト捺染に適したインクジエツトプリン夕、 前記捺染用ィンクジエツトプリン夕を用いた捺染印刷物の製造方法及び前記捺染 トプリンタを用いて作成された捺染印刷物に関する。 "京技術  The present invention relates to an ink-jet printer, a method for producing printed matter using the ink jet printer, and a printed matter produced using the ink jet printer. In particular, the present invention relates to an ink jet printing suitable for ink jet printing on a fabric, a method for producing a printed product using the ink jet printing device for printing, and a printed product prepared using the printing printer. "Kyo technology
インクジエツト記録方式は、記録へッドから微小なインク液滴を出射し、紙など の記録媒体に付着させることによりドットを形成し、画像'文字等の記録を行うも のである。騒音が少なく、現像や定着等のプロセスを必要とせず、 且つ容易にフル 力ラ一記録が行えることから、 各種プリンタ、 ファクシミリ、 コンピュータ端末等 さまざまな分野に利用されており、 布帛への捺染にも利用されている。  In the ink jet recording method, dots are formed by ejecting minute ink droplets from a recording head and attaching the droplets to a recording medium such as paper, thereby recording images and characters. It is used in various fields such as various printers, facsimile machines, and computer terminals because it has low noise, does not require processes such as development and fixing, and can easily perform full power recording, and is used for textile printing. Is also used.
布帛への捺染を行う場合、駆動ローラと従動ローラで布帛を狭持して搬送しつつ 記録ヘッドからインクを出射して画像を形成しょうとすると、布帛は、紙やフィル ムシ一トなどに比べて、 いわゆる腰 (剛性) がないために、 このような駆動ローラ 及び従動ローラ等による搬送を行うと、 しわが生じやすく、 したがって、 形成した 画像に歪みや変形が生じる場合があった。  When printing on fabric, if the ink is ejected from the recording head to form an image while holding and transporting the fabric with the driving roller and the driven roller, the fabric is compared to paper or film sheet. Therefore, since there is no so-called waist (rigidity), when the sheet is conveyed by such a driving roller and a driven roller, wrinkles are likely to occur, and thus, a formed image may be distorted or deformed.
さらに、このしわの発生を抑えるために記録へッドに対向する位置で布帛の裏側 に布帛を空気により吸着するガイド版を設けた方式が提案されている。 し力 ^し、特 に伸縮しやすい布帛を用いた場合には、吸着されることにより伸縮が発生して均一 に搬送することができず、従って布帛上に形成される画像に歪みや変形が生じる場 合があった。なお、これらのしわや伸縮は、布帛の広幅化に伴い発生しやすくなる。 一方、インクジエツト記録方式においては、記録材料を無端ベルトで搬送しなが らインクを射出することで画像を記録する方法が提案されている。 この場合、均一 な画像を得る為には、 無端ベルトに記録材料を密着させる必要がある。 Further, in order to suppress the occurrence of wrinkles, the back side of the cloth is positioned at a position facing the recording head. A method of providing a guide plate for adsorbing a cloth by air has been proposed. In particular, when a fabric that easily expands and contracts is used, it is not possible to uniformly convey the fabric because it is adsorbed, causing distortion and deformation of the image formed on the fabric. In some cases. In addition, these wrinkles and expansion and contraction are likely to occur as the width of the fabric is increased. On the other hand, in the ink jet recording system, there has been proposed a method of recording an image by ejecting ink while conveying a recording material by an endless belt. In this case, in order to obtain a uniform image, it is necessary to bring the recording material into close contact with the endless belt.
その為の一つの方法として、無端ベルトに糊を塗布し記録材料を密着させるよう にしたものがある。  One method for this is to apply glue to an endless belt so that the recording material is in close contact.
しかしながら、糊の粘着力が低下すれば再度糊を塗布することが必要となる。 ま た塗布の回数が多くなれば、ベルトの厚みが変化し記録へッドと記録材料の距離が 不均一となり安定した画像が得られなくなるので、糊を落とすことが必要となるな ど余分な時間や労力が費やされる。 また、糊を落とすためには有機溶剤が使用され ることもあり、 環境問題を生じる場合もある。  However, if the adhesive force of the glue decreases, it is necessary to apply the glue again. Also, if the number of coatings increases, the thickness of the belt changes and the distance between the recording head and the recording material becomes uneven, making it impossible to obtain a stable image. Time and effort are spent. In addition, an organic solvent may be used to remove the paste, which may cause environmental problems.
別の方法として、特開平 7— 3 3 0 1 8 5及び特開 2 0 0 1— 2 4 0 2 6 7には、 記録材料を無端ベルトで搬送しながら、記録へッドと対向する部位の無端ベルトの 内周側に静電吸着力を発生する装置を設けることにより、記録材料を無端ベルトに 密着させた状態でインクを出射する技術が提案されている。 しかしながら、 これら の公報に開示されている装置は、布帛への印字を十分に考慮した装置ではなく、前 記公報では搬送ベルトとして 0 . 1〜0 . 2 mm程度の合成樹脂若しくは合成ゴム からなる無端ベルトを記載しているが、これらの素材でできた無端ベルトを用いた 場合、 駆動時に搬送ベルトが伸縮することで搬送される記録材料にも歪みが生じ、 安定した画像が形成できないという問題があった。具体的に説明する。印字する際、 記録材料は、 記録材料搬送方向 (副走査方向) に対し直角方向 (主走査方向) の 1 ラインを印字するときに停止され、 1ライン分の印字が終了すると、 前記ラインの 幅だけ副走査方向に搬送される。その際は、 常に同じ幅だけ搬送、停止を繰り返す ことが必要である。 しかしながら、 無端ベルトが伸縮すると、 その移動量にばらつ きが発生し、 いわゆるィンク的の着弾位置ずれが生じ、横方向に筋が入る現象が生 じてしまう。 この問題は、 布帛を搬送する場合に特に大きな問題となる。 また、 こ れらの無端ベルトは耐久性が十分ではなく、 耐久性を得るために厚みを増やすと、 静電吸着力が記録材料に十分に伝わらず、記録材料を無端ベル卜に密着させること が困難であった。更に、 これらの技術を布帛に対するインクジエツト捺染方法に利 用すると、特に薄い布帛ゃ編み目の粗い布帛を記録材料として用いた場合には、布 帛を通過したインクが搬送ベルトに付着し、搬送ベルト自体を劣化させたり、布帛 に再付着したりすることで布帛の裏面を汚すという問題があった。 As another method, JP-A-7-330185 and JP-A-2001-240702 include a part facing a recording head while conveying a recording material by an endless belt. By providing a device for generating an electrostatic attraction force on the inner peripheral side of the endless belt, a technique of ejecting ink while the recording material is in close contact with the endless belt has been proposed. However, the devices disclosed in these publications are not devices that sufficiently consider printing on fabric, and in the above-mentioned publication, the conveyor belt is made of synthetic resin or synthetic rubber of about 0.1 to 0.2 mm. Although an endless belt is described, if an endless belt made of these materials is used, the recording material being conveyed will be distorted due to the expansion and contraction of the conveyor belt during driving, resulting in a problem that a stable image cannot be formed. was there. This will be specifically described. When printing The recording material is stopped when printing one line in the direction (main scanning direction) perpendicular to the recording material transport direction (sub-scanning direction). When printing of one line is completed, the sub-scanning direction is moved by the width of the line. Transported to In that case, it is necessary to always repeat transport and stop by the same width. However, when the endless belt expands and contracts, the amount of movement varies, causing a so-called “ink-like” landing position shift, and a phenomenon of streaking in the lateral direction occurs. This problem is particularly serious when transporting the fabric. Also, these endless belts are not durable enough, and if the thickness is increased to obtain durability, the electrostatic attraction force will not be sufficiently transmitted to the recording material, and the recording material will adhere to the endless belt. Was difficult. Furthermore, when these techniques are applied to an ink jet printing method for fabric, particularly when a thin fabric or a coarsely-woven fabric is used as a recording material, ink passing through the fabric adheres to the transport belt, and the transport belt itself is removed. However, there is a problem that the back surface of the cloth is stained by deteriorating or re-adhering to the cloth.
本発明者は鋭意検討の結果、布帛に対する捺染用インクジエツトプリンタにおい て、布帛を搬送する場合、搬送用無端ベルトとしてガラス繊維を織り込んで作成し たガラスクロスを用いることで、搬送ベルトとして十分な耐久性と伸縮防止性が達 成でき、安定した画像を得ることができることを見出した。更に、薄くても十分な 強度を維持できるため、静電吸着力を発生する装置により布帛を効率よく無端ベル トに密着させることができることがわかった。  As a result of intensive studies, the present inventor has found that when an ink jet printer for textile printing is used to convey a cloth, a glass cloth woven with glass fibers is used as an endless conveying belt to provide a sufficient conveyance belt. It has been found that durability and anti-stretch properties can be achieved and a stable image can be obtained. Furthermore, it has been found that, since a sufficient strength can be maintained even when the fabric is thin, the fabric can be efficiently brought into close contact with the endless belt by a device that generates an electrostatic attraction force.
しかしながら、特に比較的薄い布帛または編み目の粗い布帛が記録材料として用 いられた場合、布帛を通過したインクが、ガラスクロスでできた無端ベルトに染み 込むことで、インクに含まれている物質により無端ベルトに導電性が生じ、布帛に 対する静電吸着力が低下し、静電吸着力にばらつきが発生してしまい安定した画像 が得られないという問題が発生することがわかった。また、無端ベルトの表面上に インクが付着して堆積されると、記録ヘッドと布帛との距離が不均一となり、安定 した画像を得られないこともわかった。更に、 無端ベルトに付着したインクが、 再 度布帛に付着することで布帛の裏面を汚す場合もあった。 発明の開示 However, particularly when a relatively thin or coarsely woven fabric is used as a recording material, the ink that has passed through the fabric penetrates into an endless belt made of glass cloth, and the material contained in the ink causes It has been found that conductivity occurs in the endless belt, the electrostatic attraction force against the fabric is reduced, and the electrostatic attraction force varies, thereby causing a problem that a stable image cannot be obtained. Also, on the surface of the endless belt It was also found that when the ink was attached and deposited, the distance between the recording head and the fabric became uneven, and a stable image could not be obtained. In addition, the ink adhered to the endless belt may adhere to the fabric again and stain the back surface of the fabric. Disclosure of the invention
本発明は、 上記事情を鑑みてなされたものであり、その目的とするところは、 静 電吸着力により布帛を無端ベルトに十分に密着させることを可能とし、且つ、搬送 ベルトが十分な強度、伸縮防止性及び耐久性を満足することにより、布帛搬送時の しわや伸縮の発生を抑制し、歪みや変形の無い高品質な画像を形成することが可能 であると同時に、布帛を通過したインクが再付着することがない、布帛へのインク ジエツト捺染に適したィンクジエツトプリンタ及び捺染印刷物の製造方法を提供 することである。  The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to bring a fabric into close contact with an endless belt by electrostatic attraction, and to make the transport belt have sufficient strength and strength. By satisfying the anti-expansion property and durability, it is possible to suppress the occurrence of wrinkles and expansion and contraction during the transport of the fabric, and to form a high-quality image without distortion and deformation, and at the same time, the ink passed through the fabric. The object of the present invention is to provide an ink jet printer suitable for ink jet printing on a fabric and a method for producing a printed print, wherein the ink does not adhere again.
本発明の上記目的は、 以下の構成により達成される。  The above object of the present invention is achieved by the following configurations.
本発明の構成の一つは、布帛に対して画像を記録する捺染用インクジエツトプリ ンタにおいて、布帛を供給する布帛供給装置;少なくとも一つの駆動ローラを含む 複数のローラに懸架された無端ベルトを、前記駆動ローラの駆動により回転させる ことで、前記布帛供給部から供給される布帛を搬送する搬送装置;前記搬送装置に より搬送される布帛に対してインクを出射する記録へッド;前記無端ベルトを介し て前記記録へッドに対向し、前記無端ベルトの内周面側に当接する位置に配置され、 静電吸着力を発生することで前記布帛を前記無端ベルトに吸着させる第 1の静電 吸着力発生装置;及び、 布帛の搬送方向の前記記録ヘッドより下流側に位置し、前 記無端ベルトを洗浄するクリーニング装置、 を有し、前記無端ベルトが少なくとも 布帛と接する側の面を撥水処理されたガラスクロスからなることを特徴とする捺 染用インクジェットプリンタ、 である。 One of the constitutions of the present invention is a printing ink jet printer for recording an image on a fabric, a fabric supply device for supplying the fabric; an endless belt suspended by a plurality of rollers including at least one driving roller. A transport device that transports the fabric supplied from the fabric supply unit by being rotated by driving the drive roller; a recording head that ejects ink to the fabric transported by the transport device; A first belt that is disposed at a position facing the recording head via a belt and in contact with an inner peripheral surface of the endless belt, and that causes the endless belt to attract the fabric by generating an electrostatic attraction force; An electrostatic attraction force generating device; and a cleaning device that is located downstream of the recording head in the fabric transport direction and cleans the endless belt. Marking Supplying to the side of the surface also in contact with the fabric, comprising the water-repellent treated glass cloth Inkjet printer for dyeing.
この構成によれば、搬送装置に撥水処理を施されたガラスクロスからなる無端べ ルトを用いることにより、薄肉の無端ベルトであっても、優れた耐久性及び伸縮防 止性を有する搬送装置を得ることができると同時に、布帛を通過したィンクが無端 ベルトに染み込むことを防止することで布帛に対する静電吸着力にばらつきが発 生せず、 安定した画像を得ることができる。 更に、 搬送方向の、 インクが噴射され る部位よりも下流側にクリーニング装置を設けることで、布帛を通過したインクが 再度布帛に付着して布帛の裏面を汚すことを効果的に防止することができる。 また、 本発明においては、 前記捺染用インクジェットプリン夕が、 前記布帛供給 装置を前記無端ベルトに当接するように前記無端ベルト方向に移動可能に保持す る保持装置、前記無端ベル卜を介して前記記録ヘッドに対向し、前記無端ベルトの 内周面側に当接する第 1の静電吸着力発生装置、及び前記布帛供給部と前記無端べ ルトの当接部及びその近傍に位置すると共に、前記無端ベルトの内周面に当接して 前記無端ベルトを前記布帛供給部との間に挟むように配置された第 2の静電吸着 力発生装置を備えることが好ましい。  According to this configuration, by using an endless belt made of a glass cloth subjected to a water-repellent treatment, the transfer device has excellent durability and stretch-prevention properties even for a thin endless belt. At the same time, by preventing the ink passing through the fabric from penetrating into the endless belt, the electrostatic attraction force to the fabric does not vary, and a stable image can be obtained. Further, by providing a cleaning device in the transport direction downstream of the portion where the ink is ejected, it is possible to effectively prevent the ink that has passed through the fabric from adhering to the fabric again and soiling the back surface of the fabric. it can. Further, in the present invention, the printing ink jet printing apparatus holds the cloth supply device movably in the direction of the endless belt so as to abut on the endless belt, and the holding device via the endless belt. A first electrostatic attraction force generating device that faces the recording head and abuts on the inner peripheral surface side of the endless belt, and is located at and near the abutting portion between the fabric supply unit and the endless belt; It is preferable that a second electrostatic attraction force generating device is provided so as to be in contact with the inner peripheral surface of the endless belt so as to sandwich the endless belt between the endless belt and the cloth supply unit.
この構成により、前記布帛供給部から前記搬送部に布帛を供給する際に発生する しわや伸縮を効果的に防止することができる。  With this configuration, it is possible to effectively prevent wrinkles and expansion and contraction occurring when the cloth is supplied from the cloth supply unit to the transport unit.
本発明においては、前記第 1の静電吸着力発生装置と前記第 2の静電吸着力発生 装置とがー体で構成されることが好ましい。  In the present invention, it is preferable that the first electrostatic attraction force generating device and the second electrostatic attraction force generating device are constituted by bodies.
本発明においては、 前記無端ベルトの表面抵抗値が 1 0 8 Ω以上であることが好 ましく、 1 0 1 3 Ω以上であることが更に好ましい。 In the present invention, the surface resistance value of the endless belt is 1 0 8 Omega or good preferred, and more preferably 1 0 1 3 Ω or more.
本発明においては、前記無端ベル卜が、 少なくとも布帛と接する側の面にフッ素 樹脂を塗布されたガラスクロスからなる無端ベルトであることが好ましい。 更に、前記無端ベルトは、両面にフッ素樹脂を塗布されたガラスクロスからなる 無端ベルトであることが好ましい。 In the present invention, it is preferable that the endless belt is an endless belt made of a glass cloth coated with a fluororesin at least on a surface in contact with the fabric. Further, it is preferable that the endless belt is an endless belt made of a glass cloth coated on both sides with a fluororesin.
また、前記無端ベルトは、ディップ塗布により両面にフッ素樹脂を塗布されたガ ラスクロスからなる無端ベルトであることが好ましい。  Further, it is preferable that the endless belt is an endless belt made of a glass cloth having both surfaces coated with a fluororesin by dip coating.
本発明においては、 前記無端ベルトの厚さが l mm以下であることが好ましく、 0 . 2 mm以下であることが更に好ましい。  In the present invention, the thickness of the endless belt is preferably 1 mm or less, more preferably 0.2 mm or less.
本発明における、布帛供給部は、 ロール状の布帛が回転可能に保持された形態で あることが好ましい。  In the present invention, the cloth supply unit preferably has a form in which a roll-shaped cloth is rotatably held.
本発明の別の構成としては、前記捺染用ィンクジエツトプリンタを用いた捺染印 刷物の製造方法であり、布帛を前記布帛供給装置から供給する工程、前記布帛を前 記搬送装置により搬送する工程、前記静電吸着力発生装置によって前記無端ベルト に吸着させた状態の布帛に対して、前記記録へッドからインクを射出することで捺 染印刷物を作成する工程、及び、前記クリーニング装置により前記無端ベルトを洗 浄する工程を有することを特徴とする捺染印刷物の製造方法である。  Another aspect of the present invention is a method for producing a printed textile using the ink jet printer for textile printing, wherein the textile is supplied from the textile supply device, and the textile is transported by the transport device. Performing a printing process by ejecting ink from the recording head to the fabric that has been attracted to the endless belt by the electrostatic attraction force generating device, and the cleaning device. And a step of washing the endless belt according to (1).
本発明のもう一つの構成としては、前記捺染用ィンクジェットプリンタを用いて 作成された捺染印刷物である。 図面の簡単な説明  Another configuration of the present invention is a printed textile produced using the ink jet printer for textile printing. BRIEF DESCRIPTION OF THE FIGURES
【第 1図】  [Fig. 1]
本発明の実施形態に係る布帛捺染用インクジエツトプリンタの機構的構成例を 示す概略構成断面図である。  BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view illustrating an example of a mechanical configuration of an ink jet printer for textile printing according to an embodiment of the present invention.
【第 2 ( a ) 図】  [Fig. 2 (a)]
本発明に係る静電吸着力発生装置の構成を示す上面図である。 【第 2 (b ) 図】 1 is a top view illustrating a configuration of an electrostatic attraction force generating device according to the present invention. [Fig. 2 (b)]
本発明に係る静電吸着力発生装置の示す、 第 2 ( a ) 図に示した A— A切断線で の断面図である。  FIG. 2 is a cross-sectional view of the electrostatic attraction force generating device according to the present invention, taken along section line AA shown in FIG. 2 (a).
【第 3図】  [Fig. 3]
静電吸着力発生装置と布帛との間に発生する静電吸着力について説明するため の図である。  FIG. 4 is a diagram for describing an electrostatic attraction force generated between the electrostatic attraction force generation device and the cloth.
【第 4図】  [Fig. 4]
第 1図とは異なる機構的構成の布帛捺染用インクジエツトプリン夕の一実施形 態を示す概略構成断面図である。  FIG. 2 is a schematic cross-sectional view showing an embodiment of an ink jet printing machine for fabric printing having a different mechanical structure from FIG.
【第 5図】  [Fig. 5]
第 1図及び第 4図とは異なる機構的構成の布帛捺染用インクジエツトプリン夕 の一実施形態を示す概略構成断面図である。 発明を実施するための最良の形態  FIG. 5 is a schematic cross-sectional view showing an embodiment of an ink jet printing machine for fabric printing having a mechanical structure different from those of FIGS. 1 and 4. BEST MODE FOR CARRYING OUT THE INVENTION
以下、 本発明について詳しく説明する。  Hereinafter, the present invention will be described in detail.
本発明の搬送部に用いられる無端ベルトは、少なくとも布帛を搬送する側の面を 撥水処理されたガラスクロスからなる無端ベルトであることを特徴とする。  The endless belt used in the transport unit of the present invention is an endless belt made of a glass cloth that has been subjected to a water-repellent treatment on at least a side on which a cloth is transported.
本発明で用いられるガラスクロスは、ガラス繊維を織り込んで作成したガラスク ロスであれば特に限定はなく用いることができる。前記ガラス繊維としては、 マー ブノレメルト法、ダイレクトメルト法及びステーブル法等任意の製造法により作成さ れたガラス繊維を用いることができる。 前記、 ガラスクロスとしては、 例えば、 数 本の無アルカリガラス製の長繊維(単繊維) を撚り合わせた合撚糸を平織りに製織 したものが挙げられる。 本発明に用いられるガラスクロスにおける、縦及び横方向の糸密度は、 強度、耐 久性の観点から、 20本 / 25 mm以上、 より好ましくは 30本 Z 25 mm以上で あることが好ましい。 The glass cloth used in the present invention is not particularly limited as long as it is a glass cloth prepared by weaving glass fibers. As the glass fiber, a glass fiber produced by any production method such as a Marunolle melt method, a direct melt method, and a stable method can be used. Examples of the glass cloth include a plain woven ply-twisted yarn obtained by twisting several non-alkali glass long fibers (single fibers). In the glass cloth used in the present invention, the yarn density in the longitudinal and transverse directions is preferably 20 yarns / 25 mm or more, more preferably 30 yarns 25 mm or more, from the viewpoint of strength and durability.
撥水処理としては、無端ベルト表面の撥水性を向上させる限り特に限定はないが、 フッ素樹脂又はシリコーン樹脂を塗布することが好ましい。特にフッ素樹脂は、撥 水性を向上するだけではなく、 ガラスクロスの耐久性及び耐湿性が更に向上し、高 い体積抵抗率、表面抵抗率を得ることで静電吸着部からの静電吸着力を安定して布 帛に伝えることができるため好ましい。 フッ素樹脂としては、ポリテトラフルォロ エチレン (PTFE) 、 パーフルォロアルコキシアルカン (PFA) 、 パ一フルォ 口エチレンプロペンコポリマー(PFEP)、ポリクロ口トリフルォロエチレン(P CTFE) 、 エチレン一テトラフルォロエチレンコポリマー (ETFE) 、 ェチレ ンークロ口トリフルォロエチレンコボリマ一 (ECTFE)及びボリビニリデンフ ルォライド (PVDF) が好ましく、 特に PTFEが好ましい。  The water repellent treatment is not particularly limited as long as the water repellency of the endless belt surface is improved, but it is preferable to apply a fluororesin or a silicone resin. In particular, fluororesin not only improves water repellency, but also further improves the durability and moisture resistance of glass cloth, and achieves a high volume resistivity and high surface resistivity, so that the electrostatic attraction force from the electrostatic attraction part can be improved. Is preferred because it can be stably transmitted to the fabric. Fluororesins include polytetrafluoroethylene (PTFE), perfluoroalkoxyalkane (PFA), perfluoroethylene propene copolymer (PFEP), polychlorotrifluoroethylene (PCTFE), ethylene tetratetraethylene Preference is given to fluoroethylene copolymer (ETFE), ethylene-chloride trifluoroethylene cobolimer (ECTFE) and polyvinylidene fluoride (PVDF), especially PTFE.
更に本発明の無端ベルトとしては、フッ素樹脂が両面に塗布されたガラスクロス からなる無端ベルトが好ましい。両面にフッ素樹脂を塗布することにより、更に耐 久性、耐湿性を向上させるだけではなく、無端ベルトの裏面が接触している静電吸 着部と無端ベルトの裏面との間の摩擦力を低減し、駆動ローラにおける駆動トルク を低下させることで装置の大型化や製造コストの上昇を抑えることができる。  Further, as the endless belt of the present invention, an endless belt made of glass cloth coated on both surfaces with a fluororesin is preferable. By applying a fluororesin on both sides, not only the durability and moisture resistance are further improved, but also the frictional force between the electrostatic adsorption part where the back of the endless belt is in contact and the back of the endless belt. By reducing the driving torque and the driving torque of the driving roller, it is possible to suppress an increase in the size of the apparatus and an increase in manufacturing cost.
前記ガラスクロスにフッ素樹脂を塗布する方法については、特に限定はなく、デ イッブ塗布、 ビード塗布、 カーテン塗布、 スプレー塗布等従来公知の方法を用いる ことができるが、 均一塗布、 コストの観点からディップ塗布が好ましい。具体的に は、 フッ素樹脂、 水、 及び少量の界面活性剤を含むディスパージヨンにガラスクロ スを含浸した後、乾燥及び焼成を施す。 これらの工程を所定の回数繰り返すことに よって所望の特性を有するベルト素材を得ることができる。 There is no particular limitation on the method of applying the fluororesin to the glass cloth, and conventionally known methods such as die coating, bead coating, curtain coating, and spray coating can be used. Coating is preferred. Specifically, the glass cloth is impregnated with a dispurgeon containing a fluororesin, water, and a small amount of a surfactant, and then dried and fired. By repeating these steps a predetermined number of times Therefore, a belt material having desired characteristics can be obtained.
以下では、本発明の実施の形態について図を参照しつつ説明するが、本発明はこ れらの形態に限定されない。  Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to these embodiments.
第 1図は、本発明の静電吸着力発生装置と無端ベルトによる搬送機構を備えた布 帛捺染用インクジエツトプリンタを示す概略構成断面図である。  FIG. 1 is a schematic cross-sectional view showing an ink jet printer for textile printing equipped with an electrostatic attraction force generating device of the present invention and a transport mechanism using an endless belt.
第 1図によれば、布帛捺染用インクジエツトプリンタは、布帛 1を密着させて(密 着させる方法は後述する)搬送方向に搬送するための後述の各ローラに懸架され回 転する例えば表面抵抗値 1 0 8 Ω以上を有するガラスクロスからなる無端ベルト 5 (非導電性材料である理由は後述する) と、 回転自在に保持され記録媒体としての 布帛 1を巻いて形成した布帛供給装置(元巻き) 1 aと、 その元巻き 1 aから布帛 1の搬送方向下流に位置し、図示しない複数のノズルからィンクを出射し布帛 1に 画像を形成する記録へッド 2と、その記録へッド 2を保持するキヤリッジ 3と、 こ のキヤリッジ 3を図示しない移動手段で主走査方向(第 1図紙面に垂直方向) に沿 つて移動させる際に移動案内するキヤリッジレール 4と、図示しない駆動手段によ り時計方向に回転して無端ベルト 5を回転させる駆動口一ラ 6と、無端ベルト 5を 懸架して回動自在に設けられたガイドローラ 7と、図示しない付勢手段により加圧 されて無端ベルト 5に適当な張力を与え、回動自在に軸支されるテンションローラ 9と、布帛 1と無端ベルト 5を駆動ローラ 6との間に挟みこんで図示しない付勢手 段により所定の押圧を加えられ回動自在に設けられた押さえローラ 1 0と、記録へ ッド 2と無端ベルト 5を介して対向するように位置し、無端ベルト 5の内周面に当 接するように配置された静電吸着板 1 2 (第 1の静電吸着力発生装置) と、 無端べ ルト 5の表面に付着したィンク等の汚れを落とすためのクリ一二ング装置 1 3と によって主に構成される。 このような構成により、本実施形態における布帛捺染用インクジエツトプリンタ では、 次のような作用が実現される。元巻き 1 aから繰り出された布帛 1が、 図中 矢印搬送方向へ搬送され、無端ベルト 5と共に駆動ローラ 6及び押さえ口一ラ 1 0 により挟まれ、 さらに搬送される (搬送についての詳細は後述する) 。 そして、 こ の搬送の進行に応じて、適切に制御されたキヤリッジ 3の走査及び記録へッド 2か らのインク出射が実施されることにより、該布帛 3にインクジェット捺染が行われ る。 According to FIG. 1, the ink jet printer for textile printing is a method in which the cloth 1 is suspended and rotated by rollers described below for transporting the fabric 1 in a transport direction in a close contact manner (a method for tightly attaching the fabric 1 will be described later). value 1 0 an endless belt 5 made of a glass cloth having the above 8 Omega (why a non-conductive material will be described later), the fabric supply device formed by winding a fabric 1 as rotatably held recording medium (former Winding) 1a, a recording head 2 that is located downstream of the original winding 1a in the transport direction of the fabric 1 and emits ink from a plurality of nozzles (not shown) to form an image on the fabric 1, and a recording head 2a. A carriage 3 for holding the carriage 2, a carriage rail 4 for guiding the carriage 3 when the carriage 3 is moved along a main scanning direction (perpendicular to the plane of FIG. 1) by a moving means (not shown), and a drive (not shown). Clock by means Drive roller 6 that rotates the endless belt 5 by rotating in the direction, a guide roller 7 that is rotatably provided by suspending the endless belt 5, and an endless belt 5 that is pressurized by urging means (not shown). The cloth 1 and the endless belt 5 are sandwiched between the drive roller 6 and the tension roller 9 which is rotatably supported by a suitable tension, and a predetermined pressure is applied by an urging means (not shown). An electrostatic chuck that is positioned so as to oppose the rotatable holding roller 10 with the recording head 2 via the endless belt 5 and is in contact with the inner peripheral surface of the endless belt 5. It is mainly composed of a plate 12 (first electrostatic attraction force generating device) and a cleaning device 13 for removing dirt such as an ink adhered to the surface of the endless belt 5. With such a configuration, the following operation is realized in the ink jet printer for textile printing according to the present embodiment. The fabric 1 unwound from the original winding 1a is conveyed in the direction of the arrow shown in the figure, and is further conveyed together with the endless belt 5 by the driving roller 6 and the holding roller 10 (details of the conveyance will be described later). Do). Then, in accordance with the progress of the transport, the scanning of the carriage 3 and the ejection of the ink from the recording head 2 which are appropriately controlled are performed, so that the ink jet printing is performed on the cloth 3.
次に、本発明の特徴である無端ベルト 5と静電吸着板 1 2を用いた布帛 1の搬送 について説明する。 まず、 第 2図には静電吸着板 1 2の構成を示した。 第 2 ( a ) 図は、 静電吸着板 1 2の上面図で、 第 2 ( b ) 図は第 2 ( a ) 図に示した切断線 A 一 Aでの断面図である。 第 2 ( a) 図及び第 2 (b ) 図に示すように、 静電吸着板 1 2は、絶縁基板 1 0 3上に櫛歯状の電極板 1 0 1と櫛歯状のアース板 1 0 2が互 いに間隔をもって入れ子状態で固定され、さらに電極板 1 0 1およびアース板 1 0 2の上部には高誘電物質からなる表面吸着層 1 0 4が形成されている。この表面吸 着層 1 0 4が無端ベルト 5の内周面に接するように静電吸着板 1 2は上記第 1図 に示したように配置される。  Next, conveyance of the fabric 1 using the endless belt 5 and the electrostatic attraction plate 12 which is a feature of the present invention will be described. First, FIG. 2 shows the configuration of the electrostatic attraction plate 12. FIG. 2 (a) is a top view of the electrostatic attraction plate 12, and FIG. 2 (b) is a cross-sectional view taken along a cutting line A-A shown in FIG. 2 (a). As shown in FIGS. 2 (a) and 2 (b), the electrostatic attraction plate 12 has a comb-shaped electrode plate 101 and a comb-shaped ground plate 1 on an insulating substrate 103. Numerals 02 are fixed in a nested state at an interval from each other, and a surface adsorption layer 104 made of a high dielectric substance is formed on the electrode plate 101 and the earth plate 102. The electrostatic attraction plate 12 is arranged as shown in FIG. 1 so that the surface adsorption layer 104 is in contact with the inner peripheral surface of the endless belt 5.
ここで、第 3図を用いて静電吸着板 1 2と布帛 1との間に発生する静電吸着力に ついて説明する。電極板 1 0 1およびアース板 1 0 2に直流電圧を与えると、表面 吸着層 1 0 4で誘電分極現象がおこり異極性の電荷が励起され、第 3図に示すよう に電極板 1 0 1上部ではマイナス (第 3図には 「一」 と示した) に、 アース板 1 0 2上部ではプラス (第 3図には 「十」 と示した) の状態になる。 本実施形態の無端 ベルト 5は非導電性材料でできているので、無端ベルト 5上の布帛 1には表面吸着 層 1 0 4の電荷とは逆の電荷が第 3図に示すように発生する。 したがって、静電吸 着板 12と布帛 1との間に静電気力が発生し吸着する (静電吸着力) ことになる。 ここで無端ベルト 5が非導電性ではない場合には、表面吸着層 104で発生した電 荷が無端ベルト 5で流れてしまい上述のような静電吸着力は発生しない。したがつ て無端ベルト 5は非導電性であり続けなければならない。具体的には、非導電性と して表面抵抗値は 108Ω以上であり、 さらに好ましくは 1 013Ω以上である。 こ のような表面抵抗値を実現するために本実施形態では、例えばガラス繊維を織り込 んだ繊維で織られたガラスクロスに表面の撥水性を高めるための処理を施した材 料を使用している。 ここで言う表面の撥水性を高めるための処理は、本実施形態で は具体的な 1例としてフッ素コ一ティングを施している。 Here, the electrostatic attraction force generated between the electrostatic attraction plate 12 and the fabric 1 will be described with reference to FIG. When a DC voltage is applied to the electrode plate 101 and the ground plate 102, a dielectric polarization phenomenon occurs in the surface adsorbing layer 104 to excite electric charges of different polarity, and as shown in FIG. At the top, it is negative (indicated as "one" in Figure 3), and at the top of the earth plate 102 it is positive (indicated as "ten" in Figure 3). Since the endless belt 5 of the present embodiment is made of a non-conductive material, a charge opposite to the charge of the surface adsorption layer 104 is generated on the cloth 1 on the endless belt 5 as shown in FIG. . Therefore, electrostatic absorption Electrostatic force is generated between the mounting plate 12 and the fabric 1 and is attracted (electrostatic attraction force). Here, if the endless belt 5 is not non-conductive, the electric charge generated in the surface attraction layer 104 flows through the endless belt 5 and the electrostatic attraction force as described above does not occur. Therefore, the endless belt 5 must remain non-conductive. Specifically, the surface resistance is non-conductive and is 10 8 Ω or more, more preferably 10 13 Ω or more. In order to realize such a surface resistance value, in the present embodiment, for example, a material in which a glass cloth woven with fiber woven with glass fiber is subjected to a treatment for increasing the water repellency of the surface is used. ing. In the present embodiment, the treatment for increasing the water repellency of the surface is performed by fluorine coating as a specific example.
本発明で用いられる無端ベルトに用いられるベルト素材の一例を具体的に説明 する。  An example of the belt material used for the endless belt used in the present invention will be specifically described.
無アル力リガラス製の長繊維を撚り合わせて合撚糸とした後、更に平織りに製織 し、 糸密度が縦 42本 Ζ25mm、 横 32本 /25mm、 厚み 1 75 rn, 質量 2 00 g/m2のガラスクロスを得た。 このガラスクロスを基材としてフッ素樹脂(ポ リテ卜ラフルォロエチレン PTFE) デイスパージヨンを含浸、乾燥、 焼成を繰 返し行うことで樹脂コーティングすることで、ベルト素材を得た。得られたベルト 素材は、厚み 240 ± 20 τη,質量 500 ± 65 g/m2,縦方向の引張強度 32 ON/c m以上、横方向の引張強度 26 ON/c m以上、縦方向の引裂強度 1 6 N 以上、 横方向の引裂強度 14 N以上、 破壌電圧値 3. 5 kV以上であった。 After twisting long fibers made of non-alcoholic glass fiber into ply-twisted yarns, weaving them into a plain weave, the yarn density is 42 length Ζ 25 mm, 32 width / 25 mm, thickness 1 75 rn, mass 200 g / m 2 Glass cloth was obtained. Using this glass cloth as a base material, a belt material was obtained by repeatedly impregnating a fluororesin (polytetrafluoroethylene PTFE) disposable, drying and firing to perform resin coating. The obtained belt material has a thickness of 240 ± 20 τη, a mass of 500 ± 65 g / m 2 , a tensile strength in the vertical direction of 32 ON / cm or more, a tensile strength in the horizontal direction of 26 ON / cm or more, and a tear strength in the vertical direction of 1 The tear strength in the transverse direction was 14 N or more, and the rupture voltage value was 3.5 kV or more.
このように静電吸着板 12と布帛 1との間に発生した静電吸着力により、布帛 1 は無端ベルト 5に密着せしめられ、駆動ローラ 6を駆動し、無端ベルト 5を搬送方 向に回転させると、布帛 1は静電吸着力によって無端ベルト 5方向への力が与えら れているので布帛 1と無端ベルト 5との間では摩擦力が発生し、布帛 1は無端ベル ト 5と共に移動する。 このように、布帛 1は無端ベルト 5に一様に密着したまま搬 送されるので、 しわや伸縮の発生が抑えられる。 したがって、布帛 1上に形成され る画像には歪みや変形が生じることがなく、 良好な画像を得ることが可能となる。 また、 この静電吸着力による布帛 1の搬送は、布帛 1の幅に影響されないので布帛 1の広幅化には一層の効果があるといえる。 In this way, the fabric 1 is brought into close contact with the endless belt 5 by the electrostatic attraction force generated between the electrostatic attraction plate 12 and the fabric 1, and the drive roller 6 is driven to rotate the endless belt 5 in the transport direction. Then, the fabric 1 is given a force in the direction of the endless belt 5 by the electrostatic attraction force, so that a frictional force is generated between the fabric 1 and the endless belt 5, and the fabric 1 is an endless belt. Go with 5 As described above, since the cloth 1 is conveyed while being in uniform contact with the endless belt 5, wrinkling and expansion and contraction are suppressed. Therefore, an image formed on the fabric 1 is not distorted or deformed, and a good image can be obtained. In addition, since the conveyance of the fabric 1 by the electrostatic attraction force is not affected by the width of the fabric 1, it can be said that the width of the fabric 1 is more effective.
ただし、 このようにして一様に密着して搬送するためには、静電吸着板 1 2と布 帛 1との間に発生する静電吸着力が十分なものでなければならない。静電吸着力は 電荷が引っ張り合う力すなわちクーロン力であるから距離の二乗に反比例する、距 離は無端ベル卜 5の厚さであるから、 十分な摩擦力を得るために本実施形態では、 無端ベルト 5の厚さを l mm以下、 さらに好ましくは 0 . 2 mm以下とした。 また、薄い布帛ゃ編み目の粗い布帛の場合、記録へッド 2で出射されたインクが、 布帛 1を通過して無端ベルト 5にインクが付着してしまう場合がある。布帛 1に形 成する画像の品質を保つという観点から、無端ベルト 5に付着したインクが、再び 布帛 1に付着することを防止ためのクリ一二ング装置 1 3を設けた。クリ一二ング 装置 1 3は具体的には、例えば第 1図に示すように、スポンジ等の吸水部材が巻か れ、その一部が洗浄剤槽 1 5に貯留させた水などの洗浄剤に浸けられ、絞りローラ 1 6で余分な洗浄剤を絞られるように第 1図では時計方向に回転するクリーニン グローラ 1 4を無端ベルト 5に当接せしめ、クリーニングローラ 1 4で無端ベルト 5の表面を擦るようにして無端ベルト 5に付着したィンクを清掃するようにすれ ばよい。 また、 本実施の形態では、 上述のように無端ベルト 5にフッ素コ一ティン グがなされ撥水性が高められているので、さらに付着したインクの清掃がしゃすく なっている。  However, in order to uniformly and closely convey the paper, the electrostatic attraction force generated between the electrostatic attraction plate 12 and the fabric 1 must be sufficient. Since the electrostatic attraction force is a force that pulls electric charges, that is, a Coulomb force, it is inversely proportional to the square of the distance.Since the distance is the thickness of the endless belt 5, in this embodiment, in order to obtain a sufficient frictional force, The thickness of the endless belt 5 is 1 mm or less, more preferably 0.2 mm or less. Further, in the case of a thin cloth or a coarsely-woven cloth, the ink ejected from the recording head 2 may pass through the cloth 1 and adhere to the endless belt 5. From the viewpoint of maintaining the quality of the image formed on the cloth 1, a cleaning device 13 for preventing the ink adhering to the endless belt 5 from adhering to the cloth 1 again is provided. As shown in FIG. 1, for example, the cleaning device 13 is wound with a water-absorbing member such as a sponge, and a part of the cleaning device 13 is a cleaning agent such as water stored in a cleaning agent tank 15. In FIG. 1, the cleaning roller 14 rotating clockwise is brought into contact with the endless belt 5 so that the excess cleaning agent can be squeezed by the squeezing roller 16 and the surface of the endless belt 5 is cleaned by the cleaning roller 14. May be used to clean the ink attached to the endless belt 5. Further, in the present embodiment, as described above, the endless belt 5 is provided with the fluorine coating to enhance the water repellency, so that the attached ink is further cleaned.
次に、第 4図に布帛捺染用インクジエツトプリンタの別の実施形態を示した。第 4図に示した実施形態は、第 1図の実施形態に加えてガイドロ一ラ 8を追加し、元 卷き 1 aが図示しない付勢手段または自重によってその外周が無端ベルト 5に当 接するように図示しない保持手段によって無端ベルト 5方向に移動自在に保持さ れ、その当接部から記録媒体としての布帛 1が繰り出されるようにし、 この元巻き 1 aと無端ベルト 5との当接部及びその近傍に位置すると共に、無端ベルト 5の内 周面に当接して、 無端ベルト 5を元巻き 1 aとの間に挟むように静電吸着板 1 1Next, FIG. 4 shows another embodiment of the ink jet printer for textile printing. No. In the embodiment shown in FIG. 4, a guide roller 8 is added in addition to the embodiment shown in FIG. 1, so that the outer periphery thereof abuts on the endless belt 5 by urging means (not shown) or its own weight. Is held movably in the direction of the endless belt 5 by a holding means (not shown) so that the fabric 1 as a recording medium is fed out from the abutting portion, and the abutting portion between the original winding 1a and the endless belt 5 and It is located in the vicinity of the endless belt 5 and abuts against the inner peripheral surface of the endless belt 5, so that the endless belt 5 is sandwiched between the original winding 1a and the electrostatic attraction plate 1 1
(第 2の静電吸着力発生装置) を配置したものである。第 1図と同一のものには同 一の符号を付して示した。 また、 この静電吸着板 1 1は、第 2図で説明した静電吸 着板 1 2と同様の構成であれば良い。 (A second electrostatic attraction force generator). The same components as those in FIG. 1 are denoted by the same reference numerals. The electrostatic attraction plate 11 may have the same configuration as the electrostatic attraction plate 12 described with reference to FIG.
このような第 4図に示した構成により、元巻き 1 aから繰り出される布帛 1と静 電吸着板 1 1との間および布帛 1と静電吸着板 1 2との間では静電吸着力が発生 し、 布帛 1は無端ベルト 5に密着せしめられ、駆動ローラ 6を駆動し、 無端ベルト 5を搬送方向に回転させると、静電吸着力によって布帛 1と無端ベルト 5との間に 摩擦力が発生し、布帛 1は無端ベルト 5により繰り出されつつ、無端ベルト 5と共 に移動する。 このように、布帛 1は無端ベルト 5に一様に密着して繰り出されるの で繰り出される際のしわや伸縮の発生が抑えられ、さらにしわや伸縮の発生が抑え られた状態で密着されたまま搬送されるので、記録へッド 2によって布帛 1上に形 成される画像には歪みや変形が生じることがなく、さらに良好な画像を得ることが 可能となる。 また、 この静電吸着力による布帛 1の搬送は、 布帛 1の幅に影響され ないので布帛 1の広幅化には一層の効果があるといえる。  By the configuration shown in FIG. 4, the electrostatic attraction force is generated between the fabric 1 fed from the original winding 1a and the electrostatic attraction plate 11 and between the fabric 1 and the electrostatic attraction plate 12. Then, when the fabric 1 is brought into close contact with the endless belt 5 and the drive roller 6 is driven to rotate the endless belt 5 in the transport direction, a frictional force is generated between the fabric 1 and the endless belt 5 by electrostatic attraction. Then, the fabric 1 moves together with the endless belt 5 while being unreeled by the endless belt 5. As described above, the fabric 1 is fed out while being in close contact with the endless belt 5, so that wrinkles and expansion and contraction when being fed out are suppressed, and furthermore, wrinkles and expansion and contraction are suppressed, and the fabric 1 is kept in close contact with the endless belt 5. Since the sheet is conveyed, the image formed on the cloth 1 by the recording head 2 is not distorted or deformed, and a better image can be obtained. In addition, the conveyance of the fabric 1 by the electrostatic attraction force is not affected by the width of the fabric 1, so that it can be said that the width of the fabric 1 is further improved.
さらに、 第 5図に布帛捺染用ィンクジェットプリン夕の別の実施形態を示した。 第 5図に示した実施形態は、元巻き 1 aから記録へッド 2の間の搬送方向を水平方 向にすることで、第 4図に示した実施形態の布帛 1の元巻き 1 aと記録へッド 2に 06335 Further, FIG. 5 shows another embodiment of an ink jet pudding for textile printing. In the embodiment shown in FIG. 5, the transport direction between the original winding 1a and the recording head 2 is set to be horizontal, so that the original winding 1a of the fabric 1 of the embodiment shown in FIG. And record head 2 06335
14 対向する 2つの静電吸着板 1 1、 1 2を 1つの静電吸着板 1 7で構成したものであ る。 この静電吸着板 1 7は、第 2図で説明した静電吸着板 1 2と同様の構成であれ ば良い。 このように構成することにより、 装置コストの低減が可能である。 14 Two opposing electrostatic attraction plates 11 1 and 12 are composed of one electrostatic attraction plate 17. The electrostatic attraction plate 17 may have the same configuration as the electrostatic attraction plate 12 described in FIG. With this configuration, the cost of the device can be reduced.
また、上述の実施形態では、記録へッド 2を主走査方向に移動しつつインクを出 射して画像を形成するいわゆる走査ヘッドを用いて説明したが、言うまでも無く主 走查方向の全画像形成領域にノズルを有するいわゆるラインへッドであっても良 い。  In the above-described embodiment, a so-called scanning head that forms an image by ejecting ink while moving the recording head 2 in the main scanning direction has been described. A so-called line head having a nozzle in the entire image forming area may be used.
【発明の効果】  【The invention's effect】
以上説明したように、本発明によれば、搬送装置に撥水処理を施されたガラスク ロスからなる無端ベルトを用いることにより、静電吸着力による布帛の優れた密着 性、 優れた耐久性及び伸縮防止性を有する搬送装置を得ることができると同時に、 布帛を通過したインクが無端ベルトに染み込むことを防止することで布帛に対す る静電吸着力にばらつきが発生せず、安定した画像を得ることができる。更に、 搬 送方向の、ィンクが噴射される部位よりも下流側にクリ一ニング装置を設けること で、布帛を通過したインクが再度布帛に付着して布帛の裏面を汚すことを効果的に 防止することができる。  As described above, according to the present invention, by using an endless belt made of glass cloth subjected to a water-repellent treatment for a transfer device, excellent adhesion, excellent durability and excellent durability of the fabric due to electrostatic attraction force can be obtained. It is possible to obtain a transport device having an anti-stretch property, and at the same time, prevent the ink that has passed through the fabric from seeping into the endless belt, so that there is no variation in electrostatic attraction force to the fabric and a stable image can be obtained. Obtainable. Furthermore, by providing a cleaning device in the transport direction downstream of the site where the ink is ejected, it is possible to effectively prevent the ink that has passed through the fabric from adhering to the fabric again and soiling the back surface of the fabric. can do.

Claims

請求の範囲 布帛に対して画像を記録する捺染用インクジエツトプリンタにおいて、 布帛を供給する布帛供給装置; Claims In a printing ink jet printer for recording an image on a fabric, a fabric supply device for supplying the fabric;
少なくとも一つの駆動ローラを含む複数のローラに懸架された無端ベルトを、 前記駆動ローラの駆動により回転させることで、前記布帛供給部から供給され る布帛を搬送する搬送装置; A transport device that transports the fabric supplied from the fabric supply unit by rotating an endless belt suspended by a plurality of rollers including at least one drive roller by driving the drive roller;
前記搬送装置により搬送される布帛に対してインクを出射する記録へッド; 前記無端ベルトを介して前記記録へッドに対向し、前記無端ベルトの内周面側 に当接する位置に配置され、静電吸着力を発生することで前記布帛を前記無端 ベレトに吸着させる第 1の静電吸着力発生装置;及び、 A recording head for ejecting ink to the cloth conveyed by the conveying device; disposed at a position facing the recording head via the endless belt and in contact with an inner peripheral surface side of the endless belt; A first electrostatic attraction force generating device that generates the electrostatic attraction force to attract the cloth to the endless beret; and
布帛の搬送方向の前記記録へッドより下流側に位置し、前記無端ベルトを洗浄 するクリーニング装置、 を有し、前記無端ベルトが少なくとも布帛と接する側 の面を撥水処理されたガラスクロスからなることを特徴とする捺染用インク ジェットプリンタ。 A cleaning device for cleaning the endless belt, which is located downstream of the recording head in the direction of transport of the fabric, wherein the surface of the endless belt at least on the side in contact with the fabric is made of water-repellent glass cloth. An ink jet printer for textile printing.
前記捺染用インクジエツトプリン夕が、更に、前記布帛供給装置に設けられて いる布帛の外周面を前記無端ベルトに当接するように、前記布帛供給装置を前 記無端ベルト方向に移動可能に保持する保持装置、及び前記布帛供給装置に設 けられている布帛の外周面と前記無端ベルトの当接部に対応する位置であつ て、且つ、前記無端ベルトの内周面に当接するように配置された第 2の静電吸 着力発生装置を備えることを特徴とする請求の範囲第 1項に記載の捺染用ィ ンクジェットプリンタ。 The textile printing apparatus further holds the cloth supply device so as to be movable in the endless belt direction such that the outer peripheral surface of the fabric provided in the cloth supply device abuts on the endless belt. A position corresponding to the contact portion between the outer peripheral surface of the cloth provided in the holding device and the cloth supply device and the endless belt, and is disposed so as to contact the inner peripheral surface of the endless belt. 2. The ink jet printer for textile printing according to claim 1, further comprising a second electrostatic attraction force generating device.
前記第 1の静電吸着力発生装置と前記第 2の静電吸着力発生装置とがー体で 構成されることを特徴とする請求の範囲第 2項に記載の捺染用ィンクジェッ The first electrostatic attraction force generating device and the second electrostatic attraction force generating device are The ink jet printer for textile printing according to claim 2,
4. 前記無端ベルトの表面抵抗値が 1 0 8 Ω以上であることを特徴とする請求の範 囲第 1項乃至第 3項の何れか 1項に記載の捺染用インクジエツトプリン夕。 5 . 前記無端ベルトが、少なくとも前記布帛と接する側の面にフッ素樹脂を塗布さ れたガラスクロスからなる無端ベルトであることを特徴とする請求の範囲第 1項乃至第 3項の何れか 1項に記載の捺染用インクジエツトプリンタ。 4. The surface resistance of the endless belt printing ink jet purine evening according to any one of claims range囲第1 Section through the third term, characterized in that at 1 0 8 Omega more. 5. The endless belt according to any one of claims 1 to 3, wherein the endless belt is an endless belt made of a glass cloth coated with a fluororesin at least on a surface in contact with the cloth. The ink jet printer for textile printing according to the above item.
6 . 前記無端ベルトが両面にフッ素樹脂を塗布されたガラスクロスからなる無端 ベルトであることを特徴とする請求の範囲第 5項に記載の捺染用ィンクジェ ットプリンタ。  6. The ink jet printer for printing according to claim 5, wherein the endless belt is an endless belt made of glass cloth coated on both sides with a fluororesin.
7 . 前記無端ベルトが、ディップ塗布により両面にフッ素樹脂を塗布されたガラス クロスからなる無端ベル卜であることを特徴とする請求の範囲第 6項に記載 の捺染用インクジエツトプリン夕。  7. The ink jet printing press for textile printing according to claim 6, wherein the endless belt is an endless belt made of a glass cloth coated with a fluororesin on both sides by dip coating.
8 . 前記無端ベルトの厚さが 1 mm以下であることを特徴とする請求の範囲第 1 項乃至第 3項の何れか 1項に記載の捺染用ィンクジエツトプリン夕。  8. The ink jet printing pudding for printing according to any one of claims 1 to 3, wherein the thickness of the endless belt is 1 mm or less.
9 . 前記無端ベルトの厚さが 0 . 2 mm以下であることを特徴とする請求の範囲第 8項に記載の捺染用インクジエツトプリンタ。  9. The ink jet printer for textile printing according to claim 8, wherein the thickness of the endless belt is 0.2 mm or less.
1 0 . 請求の範囲第 1項に記載の捺染用インクジェットプリンタを用いる捺染印 刷物の製造方法であって、 布帛を前記布帛供給装置から供給する工程; 前記布帛を前記搬送装置により搬送する工程;  10. A method for producing a printed textile using the inkjet printer for textile printing according to claim 1, wherein a textile is supplied from the textile supply device; and the textile is transported by the transport device. ;
前記静電吸着力発生装置によって前記無端ベルトに吸着させた状態の前記布 帛に対して、前記記録へッドからィンクを射出することで捺染印刷物を作成す る工程;及び、 前記クリ一ニング装置により前記無端ベルトを洗浄する工程を有することを 特徴とする捺染印刷杨の製造方法。A step of ejecting an ink from the recording head to the textile in a state of being attracted to the endless belt by the electrostatic attraction force generating device to produce a printed printed matter; and A method for producing a textile printing press, comprising a step of cleaning the endless belt with the cleaning device.
. 請求の範囲第 1項に記載の捺染用インクジェットプリン夕を fflいて作成さ れた捺染印刷物。 A printed printed matter created by ffling the ink jet printer for textile printing according to claim 1.
PCT/JP2003/006335 2002-05-23 2003-05-21 Ink-jet printer for textile printing and method for producing textile print WO2003100152A1 (en)

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