WO2009074183A1 - Machine et procédé d'impression sur la couche de poils en polyester d'un tapis - Google Patents

Machine et procédé d'impression sur la couche de poils en polyester d'un tapis Download PDF

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Publication number
WO2009074183A1
WO2009074183A1 PCT/EP2007/063917 EP2007063917W WO2009074183A1 WO 2009074183 A1 WO2009074183 A1 WO 2009074183A1 EP 2007063917 W EP2007063917 W EP 2007063917W WO 2009074183 A1 WO2009074183 A1 WO 2009074183A1
Authority
WO
WIPO (PCT)
Prior art keywords
print
active agent
pile layer
agent composition
dye
Prior art date
Application number
PCT/EP2007/063917
Other languages
English (en)
Inventor
Susanna Hartenbach
Original Assignee
Mat Mania Limited
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 Mat Mania Limited filed Critical Mat Mania Limited
Priority to PCT/EP2007/063917 priority Critical patent/WO2009074183A1/fr
Publication of WO2009074183A1 publication Critical patent/WO2009074183A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
    • D06B11/0059—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by spraying
    • 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 concerns a machine and method for the in-depth printing of a polyester pile layer carpet covering.
  • the present invention concerns a machine capable of printing, using the so-called "inkjet” technique, on a carpet such as a doormat, a rug, a carpet, or a car-mat, which comprises a flat backing layer in a flexible synthetic material and a pile layer covering the flat backing layer, which is positioned above the backing and is composed of a multiplicity of polyester strands or semi-rigid bristles, each of which is firmly fixed on the flat backing layer itself, to which the treatment that follows shall make explicit reference, but without any loss in generality.
  • obtaining high definition in the printed image prejudices obtaining high colour penetration in the pile layer.
  • some inkjet techniques contemplate depositing extremely small drops of dye on the pile layer.
  • these drops of dye remain firmly constrained on the free tips of the strands because of the high surface tension that acts on the drops when they make contact with the strands prevents their descent to the underlying backing.
  • the strands that constitute the pile layer are only coloured on their tops and remain neutral, or rather uncoloured, on the part below, thus resulting in a poor aesthetic effect.
  • the object of the present invention is to create a method for printing the polyester pile layer of a carpet using an "inkjet” technique that is able to achieve high printing resolution and complete colour penetration inside the pile layer itself.
  • a machine is thus embodied for printing on the polyester pile layer of a carpet as expressed in claim 1 and preferably, but not necessarily, in any of the claims directly or indirectly dependent on claim 1.
  • a method for printing on the polyester pile layer of a carpet is also provided, as expressed in claim 5 and preferably, but not necessarily, in any of the claims directly or indirectly dependent on claim 5.
  • Figure 1 is a schematic side-elevation view of a machine embodied according to the principles of the present invention for printing on the pile layer of a carpet
  • Figure 2 is a schematic side-elevation view of a variant of the machine for printing the pile layer of a carpet shown in Figure 1.
  • reference numeral 1 indicates, in its entirety, a machine that uses the so-called "inkjet" technique for in-depth printing on a polyester carpet 2, which basically comprises a flat backing layer 3 in a flexible synthetic material and a polyester pile layer 4 covering the flat backing layer 3, which is arranged on top of the backing 3 and is composed of a multiplicity of strands 5 or semi-rigid bristles in polyester, each of which is firmly fixed on the flat backing layer 3 itself.
  • carpet shall be an explicit reference to a rug, or carpet, or doormat, or car-mat, or any other similar type of polyester carpet .
  • the machine 1 comprises: a surface 6 supporting the carpet 2, which is preferably, but not necessarily, horizontal, is supported by a floor-standing frame 7 and is able to move each carpet 2 in a feed direction D between a loading station for the carpet 2 (not shown) and an unloading station for the printed carpet 2 (not shown), and an "inkjet" printing device 10, which is supported by the frame 7 via a support unit (not shown) and arranged above the surface 6 between the loading station and the unloading station.
  • the machine 1 also comprises a setting oven 16 positioned downstream of the printing device 10 in the feed direction D to dry and fix the dye(s) deposited on the pile layer 4 of the carpet 2 itself.
  • the setting oven 16 can comprise a hot-air oven, an infrared oven or a microwave oven.
  • the "inkjet" printing device 10 this is of a known type and shall not be described further, except for specifying that it comprises a plurality of mobile-shutter print heads 12, each able to discharge, upon command, minuscule drops of a liquid dye mixture (described further on) onto the carpet 2 positioned below the printing device 10. It is opportune to specify that in the following, the term “minuscule” drop shall be intended as a drop whose volume varies between approximately 1 nano-litre and 200 nano-litres.
  • the printing device 10 can be fixed or mobile with respect to the surface 6, while the print heads 12 each comprise a mobile-shutter microvalve, which in turn comprises a body 12a, inside which a chamber or channel 12b is obtained in the centre that is able to hold the dye mixture, a shutter 12c mounted inside the chamber in a mobile manner such that it can move between a closed position in which it prevents discharge of the dye mixture in the chamber and an open position in which the chamber is opened to discharge a drop of dye mixture, and an electromechanical or electromagnetic drive system (not shown) able to move the shutter 12c between the closed position and the open position, upon command.
  • a mobile-shutter microvalve which in turn comprises a body 12a, inside which a chamber or channel 12b is obtained in the centre that is able to hold the dye mixture, a shutter 12c mounted inside the chamber in a mobile manner such that it can move between a closed position in which it prevents discharge of the dye mixture in the chamber and an open position in which the chamber is opened to discharge a drop of
  • the machine 1 also comprises a supply unit 13 for the dye mixture, which is connected to the printing device 10 by feed lines 14 to supply the liquid dye mixture in a selective manner to each print head 12, this mixture containing a certain quantity of dye and a certain quantity of liquid surface-active agent composition, which is able to reduce the surface tension of the dye when it comes into contact with the strands 5 of the pile layer 4.
  • a supply unit 13 for the dye mixture which is connected to the printing device 10 by feed lines 14 to supply the liquid dye mixture in a selective manner to each print head 12, this mixture containing a certain quantity of dye and a certain quantity of liquid surface-active agent composition, which is able to reduce the surface tension of the dye when it comes into contact with the strands 5 of the pile layer 4.
  • liquid surface-active agent composition fed to each print head 12 could be the BIOMEGAPAL ® wetting agent, the IDROSOLVAN 1000 ® wetting agent or similar compositions.
  • the liquid dye mixture comprises, for example, 1-1.5% of liquid surface-active agent composition and 98.5-99% of dye.
  • the liquid dye mixture comprises, for example, 0.1-0.5% of liquid surface-active agent composition and 99.5-99.9% of dye.
  • the supply unit 13 comprises a plurality of containers or tanks 15, which contain the liquid dye mixtures associated with the corresponding colours, for example, the primary colours, and are connected to the print heads 12 through the feed lines 14 in order to feed them with the liquid dye mixtures at a given pressure.
  • the quantity of disperse dye and the quantity of liquid surface-active agent composition suitable for being contained in each tank 15 can be calculated on the basis of a series of print formulas, each of which is associated with a certain type of polyester carpet 2 for printing, and/or a certain type of disperse dye.
  • the quantity of disperse dye and the quantity of liquid surface- active agent composition contemplated by each print formula can be determined in a testing phase, prior to printing, according to the thickness S of the pile layer 4, and/or the type TF of strand or bristle, which, for example, could be loop pile, cut pile, needled or tufted, and/or a parameter CP associated with the capillary rating of the strand or bristle when it is in contact with a liquid disperse dye, and/or a parameter GV indicating the level of viscosity of the disperse dye contained in the tank, and/or a parameter GT correlated to the contact surface tension of the disperse dye with a polyester strand or bristle.
  • the machine 1 also comprises an electronic control unit 18 able to govern the feed surface 6 so as to move each carpet to a given position in direction D, the supply unit 13 so as to control the supply of dye mixture to the print heads 12, and the printing device 10 so as to control the opening and closing of each print head 12 in function of the image to be printed on the carpet 2.
  • an electronic control unit 18 able to govern the feed surface 6 so as to move each carpet to a given position in direction D, the supply unit 13 so as to control the supply of dye mixture to the print heads 12, and the printing device 10 so as to control the opening and closing of each print head 12 in function of the image to be printed on the carpet 2.
  • the method for printing the carpet 2 provides for the following phases: prepare in each tank 15 the quantity of disperse dye and the quantity of liquid surface-active agent composition contemplated in the print formula associated with the type of carpet to be printed and/or the type of disperse dye used in the same tank 15, in order to obtain a dye mixture in each tank 15 - selectively feed the dye mixture contained in each tank 15 to the print heads 12 - pilot the print heads 12 so as to discharge the drops of dye mixture onto the carpet 2 and, at the same time, feed the carpet 2 along the support surface so that each drop is deposited on the carpet 2 in a preset position, in function of the image to be printed - activate the setting oven 16 in order to dry/fix the dye mixture on the strands 5 of the pile layer 4.
  • the above-described machine and method have the advantage of ensuring complete penetration of the dye mixture within the pile layer, uniformly colouring each polyester strand in the carpet.
  • use of the dye mixture comprising the disperse dye and the liquid surface-active agent composition allows the surface tension encountered by each drop in contact with the strands to be reduced, in this way letting the same drop of dye to flow over the outer surface of the strands, completely colouring them for their entire length.
  • FIG. 2 regards a machine 20 for printing polyester carpets 2 that is similar to machine 1, and the component parts of which shall be indicated, as far as possible, by the same reference numerals as the corresponding parts of machine 1.
  • the machine 20 for printing polyester carpets comprises a device 21 capable of supplying a certain quantity of liquid surface-active agent composition to each tank 15, a memory unit 22 containing a plurality of print formulas and a suitable interface device 23 to allow a user to select a given print formula.
  • each print formula is unambiguously associated with a type of polyester carpet 2 and/or the type of disperse dye that can be contained in the tank 15, in which the type of carpet is indicated by the thickness S and/or the type TF of strand or bristle, while the type of dye is indicated by the above-described parameter CP and/or parameter GV and/or parameter GT.
  • the device 21 comprises a holding tank 24 for the liquid surface-active agent composition, which is connected to each tank 15 through a feed line 26 to supply, upon command, the liquid surface-active agent composition to each tank 15, and a device 27 able to regulate the quantity of liquid surface-active agent composition transferred from tank 23 to tank 15.
  • tank 24 could have a certain internal pressure
  • device 27 could comprise a series of solenoid metering valves 25 each of which is positioned on a feed line 26 and is able, upon command, to meter the quantity of liquid surface- active agent composition that flows from tank 24 to tank 15.
  • the electronic control unit 18 is able to control each solenoid metering valve 25 so as to opportunely regulate the quantity of liquid surface-active agent composition fed to each tank 15.
  • the printing method also provides for the following phases: store a plurality of print formulas in the memory unit 22, each of which is unambiguously associated with a type of polyester carpet 2 and includes a plurality of dye mixtures, each containing a certain quantity of disperse dye and a certain quantity of liquid surface-active agent composition - select a given print formula from the various print formulas stored in the memory unit 22 via the interface device 23 - operate device 21 to add the quantity of liquid surface-active agent composition provided for in the dye mixture specified in the print formula to each tank 15 - feed the dye mixture contained in each tank 15 to the print heads 12 - pilot the print heads 12 so as to discharge the drops of dye mixture onto the carpet 2 and, at the same time, feed the carpet 2 along the surface 6 so that each drop is deposited on the carpet 2 in a preset position, in function of the image to be printed - activate the setting oven 16 in order to dry/fix the dye mixture on the strands 5 of the pile layer 4.
  • the machine 20 is extremely advantageous as, in addition to the advantages of machine 1 described above, it allows the automatic adjustment of the quantity of liquid surface-active agent composition to add in each tank 15, thereby increasing the metering precision of the liquid surface-active agent composition and considerable simplifying the operations required of the operator of the machine 20 itself.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coloring (AREA)

Abstract

Machine (1) pour impression en profondeur sur la couche de poils en polyester (4) d'un tapis (2). Cette machine comprend un dispositif d'impression à jet d'encre (9) constitué d'une pluralité de têtes d'impression (13) capables d'imprimer une image sur ladite couche de poils (4) ainsi qu'une unité d'alimentation (21) pouvant fournir sélectivement une pluralité de mélanges colorants aux têtes d'impression. Chacune de ces têtes contient une quantité spécifiée d'un colorant liquide dispersé associé à une couleur donnée et un quantité spécifiée d'une composition d'agent tensio-actif liquide capable de réduire la tension superficielle du colorant dispersé sur la couche de poils (4).
PCT/EP2007/063917 2007-12-13 2007-12-13 Machine et procédé d'impression sur la couche de poils en polyester d'un tapis WO2009074183A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/063917 WO2009074183A1 (fr) 2007-12-13 2007-12-13 Machine et procédé d'impression sur la couche de poils en polyester d'un tapis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/063917 WO2009074183A1 (fr) 2007-12-13 2007-12-13 Machine et procédé d'impression sur la couche de poils en polyester d'un tapis

Publications (1)

Publication Number Publication Date
WO2009074183A1 true WO2009074183A1 (fr) 2009-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/063917 WO2009074183A1 (fr) 2007-12-13 2007-12-13 Machine et procédé d'impression sur la couche de poils en polyester d'un tapis

Country Status (1)

Country Link
WO (1) WO2009074183A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20091564A1 (it) * 2009-09-11 2011-03-12 Reggiani Macchine Spa Disposizione di alimentazione per una testa di stampa a getto d'inchiostro e relativa macchina di stampa per tessuti.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999004080A1 (fr) * 1997-07-16 1999-01-28 Minnesota Mining And Manufacturing Company Procede d'imagerie a ton continu donnant un tapis de sol epais a motifs
US5958547A (en) * 1994-09-14 1999-09-28 Sanyo Chemical Industries, Ltd. Interior base material
US20040196346A1 (en) * 2001-10-05 2004-10-07 Redding Martin E. Ink jet printing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958547A (en) * 1994-09-14 1999-09-28 Sanyo Chemical Industries, Ltd. Interior base material
WO1999004080A1 (fr) * 1997-07-16 1999-01-28 Minnesota Mining And Manufacturing Company Procede d'imagerie a ton continu donnant un tapis de sol epais a motifs
US20040196346A1 (en) * 2001-10-05 2004-10-07 Redding Martin E. Ink jet printing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20091564A1 (it) * 2009-09-11 2011-03-12 Reggiani Macchine Spa Disposizione di alimentazione per una testa di stampa a getto d'inchiostro e relativa macchina di stampa per tessuti.

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