EP1381515A1 - Procede et appareil d'impression a jet d'encre - Google Patents

Procede et appareil d'impression a jet d'encre

Info

Publication number
EP1381515A1
EP1381515A1 EP02719393A EP02719393A EP1381515A1 EP 1381515 A1 EP1381515 A1 EP 1381515A1 EP 02719393 A EP02719393 A EP 02719393A EP 02719393 A EP02719393 A EP 02719393A EP 1381515 A1 EP1381515 A1 EP 1381515A1
Authority
EP
European Patent Office
Prior art keywords
ink
substiate
wheiein
dye
substance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02719393A
Other languages
German (de)
English (en)
Other versions
EP1381515A4 (fr
Inventor
Richard N. Codos
William W. Collan
Robert B. Comerford
Angelo Quattrociocchi
Milan Badovinac
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L&P Property Management Co
Original Assignee
L&P Property Management Co
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
Priority claimed from US09/823,268 external-priority patent/US6467898B2/en
Priority claimed from US09/932,427 external-priority patent/US6726317B2/en
Application filed by L&P Property Management Co filed Critical L&P Property Management Co
Publication of EP1381515A1 publication Critical patent/EP1381515A1/fr
Publication of EP1381515A4 publication Critical patent/EP1381515A4/fr
Withdrawn legal-status Critical Current

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0024—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using conduction means, e.g. by using a heated platen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/02—Platens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/20—Positive-feed character-spacing mechanisms
    • B41J19/202—Drive control means for carriage movement
    • 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
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/12—Guards, shields or dust excluders
    • B41J29/13—Cases or covers
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/377—Cooling or ventilating arrangements
    • 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
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
    • 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
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2011—Application of vibrations, pulses or waves for non-thermic purposes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0072—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using mechanical wave energy, e.g. ultrasonics; using magnetic or electric fields, e.g. electric discharge, plasma

Definitions

  • the piesent invention lelates to Inkjet punting and pai ticulai ly useful toi Inkjet punting onto textiles onto wide web, laige panel and othei extended aiea substiates, and onto othei substiates on a high speed and commeicial scale Background of the Invention Needs have ai isen toi the pi lilting ot lai ge bannei s, flags and signs in quantities that aie not economical toi many conventional punting pi ocesses Pioposals have been made to punt such pioducts tiom electionic souice tiles that can be piocessed diiectlyon the punting pies oi pi inting system, l athei than thiough steps such as f ilm image-setting and platc-makmg One such piocess is ink-jet punting These piocesses have been attempted on suitaces such as vinyl, but punting with success onto textile suitaces has
  • the punting ot substiates that aie moie than sevei al feet, oi a metei , wide, leteued to as the special categoiy ot ' wide width' punting into which categoi y the punting ot signs and banneis office pai titions mattiess ticking and most othei qui liable matenals would tall, is beyond many ot the limitations ot conventional punting methods
  • a numbei ot technical pioble s L X I SI that t deten ed the t lopmeni ot the punting ot wide tabncs such as mattiesscoveis upholsteiy automobile seat covei tabncs, office paititions and othei wide width substiates
  • Inkjet piinteis usually dispense watei based oi othei solvent based inks onto the substiate by heating the ink and exploding bubbles ot the ink out ot the nozzles lhese piinteis aie often called bubblejet piinteis
  • the ink fiom such printers dues by evapoiation ot a solvent
  • additional heat is used to evapoiate the solvent and diy the ink Printing onto wide width substiates with bubble type ink jet piinteis oi ink jet piinteis that use high tempeiatuie techniques topiopel the ink sullei fiom limited punthead lite oi
  • the inks geneially incoipoiate stabihzeis which pievent piematiue cuiing due to low levels ot light exposuie 1 heietoie the inks usually lequiie exposuie to some thies
  • Solvent based inks aie pnm inly cuied by evapoiation ot the solvents
  • Some solvent based inks can be cuied only by air diymg while otheis lequiie the application ot heat to enhance the evapoiation ot the solvent In some cases heat will facilitate a chemical change oi polymeuzation ot the ink along with an evapoiation ot a solvent
  • Polymeuzable inks include monomeis and ohgomeis that polymeuze ind olhti additives UV un able inks polymeuze when exposed to UV light at or above the thieshold eneigy level
  • These UV cui able ink toi mutations include photo-initiatoi s which absoi b light and theieby pioduce tiee l successionls 01 cations which induce ci ⁇ ss-linking between the unsatui aii
  • UV cui ing ot jetted ink on tabnc has been plagued by a limited cuie depth that is detei mined by the depth ot field ot the focused cui ing UV light
  • UV light may be ineffective to cuie a sufficient poi tion ot the ink
  • a lai ge uncuied poition ot the deposited ink can cause movement ot the ink oi the loss ot the ink ovei time lesulting in deteiioiation ot the punted images
  • the amount ot uncuied monomeis oi ink components that can cause pioblems by inhalation oi dnect skin contact has not been officially de
  • the coloi components ot the inks ai e in the toi m ot pigments suspended in a polymei or othei cui able matux
  • the ink coating usually fades oi othei wise degi ades Inks containing dyes, on the othei hand, piovide coloi fastness because the dye dissipates into and becomes chemically oi mechanically bonded to the tibei s ot the substiate
  • Objectives ot the piesent invention include pioviding ink-jet printing with stable inks, pioviding tor the complete cui ing ot such inks, and pioviding foi pi oducing coloi fast images with such punting, pai ticulai ly with a minimum ot diop spiead
  • a tui ihei and moie pai ticulai objective ot the invention is to piovide toi the In jet punting ot dye-based inks
  • One objective ot the piesent invention is to pi o ide an effective method and appaiatus foi wide width dnect digital punting, and toi pi lilting onto textiles
  • Anothei objective ot the invention is to effectively apply a stable cuiable ink onto a textile oi othei substi ate and to eltectively cuie the ink on the substi ate with UV oi othei enei y, a chemical cui mg agent oi othei cui ing medium, and paiticulai ly doing so using ink jet punting
  • a tui thei objective ot the invention is to successfully apply and effectively cuie ink jetted onto textiles and othei substi ates in a leliable niannei w ithout a tendency ot the nozzles ot the heads to fiequently clog Pai ticulai ly it is an objective ol the invention to punt
  • Anothei objective ot the invention is to piovide toi the punting onto textiles and othei textuied oi wide width substiates using a potitable substance that lemains stable until deposited onto the suitace ot the substiate, and pai ticulai ly by cui ing the substance a sufficiently shoi t time tiom when the substance contacts the substi ate to ti eeze the substance and pievent the spieadmg t ei eot It is a tin ther objective ot the invention to do so while pioviding coloi fastness oi othei advantages ot dye-based inks
  • a pai ticulai objective is to piovide such a pi ocess toi printing with UV ink oi othei inks that aie cui able by exposuie to impinging enei gy
  • a pai ticulai objective ot the invention is to piovide toi the effective cui ing ot UV inks jetted onto textile oi tabuc by i educing uncuied monomeis and othei exti actable non-solvent polyineuzation leactants, including leactant bypioducts, oi components ot the ink, to a level most likely to be tolei able by oi acceptable to pei sons contacting the punted substi ates
  • Anothei objective ot the invention is to accommodate ink that lsjetted thiough a poious oi open weave substi ate in a neat and el l icient niannei
  • a stable ink is digitally punted onto tabnc and setting ot the ink is initiated attei the ink is deposited onto the substi ate
  • a ' stable ink is meant one that ill not begin to cuie thicken oi othei w ise change piopei ties in a way that will advei sely attect the ability to apply the ink to the substi ate unless and until such ink is exposed to a cui ing medium that is othei wise absent fiom its envn ⁇ nment Inks that begin to set oi which thicken upon evapoiation ot a solvent aie not stable as heiein defined Inks that begin to polymeuze beloie being exposed to UV light fiom a pai ticulai light souice oi to chemical agents that aie piovided
  • stable UV ink monomei s aie deposited onto the substiate and polyineuzation ot the ink is initiated by exposuie to dt ⁇ impinged energy beam, such as UV, EB oi othei such enei gy beam
  • the UV exposed oi othei wise polyineuzation initiated ink is theieattei subjected to heat to l educe the content in the ink of unpolymei ized polymeuzable ieactants and othei exti actable components ot the ink to low levels that aie likely to be tolei able oi othei wise acceptable to pei sons contacting the tabuc Accoiding to embodiments ol the invention stable dye components can aie added to the othei wise polymeuzable 01 stable ink 01 othei pi in
  • the ink composition incoi poi ates a scpai ate dye component which is combined with the UV oi othei impinging enei y cui able ink base
  • the base may oi may not also contain pigment
  • the dye component ot such ink compositions may be selected tioin the gioup including, but not limited to, dispei sion dyes reactive dyes acid dyes, basic dyes, metallized dyes, naphthol dyes and dyes that do not lequiie a post-tieatment to either set the dye oi to develop the coloi Dispeision dyes ai e widely used toi dyeing most manutactuied tibei s, including paiticulai ly the tibei s ot polyestei and othei synthetic textiles Reactive dyes aie anionic dyes which leact with hydioxyl gioups in cellulose tibei s in
  • Dye based inks accoiding to the piesent invention may also be applied to solid non-textile at tides as toi example DC amic mugs and plates
  • the ti aditional ti ansfei punting piocess used toi such ai tides can be leplaced with dnect digital punting with dye-based polymeuzable ink
  • a stable ink composition is jetted onto tabnc and the set oi cuie ot the ink is initiated by exposuie to a chemical substance, eneigy oi othei wise attei it is ejected fi om the ink jet nozzles
  • UV polymeuzable ink lsjetted onto the substi ate wheie it is exposed to UV light toi its cuie Pieteiably, a non-bubblejet print head such as a piezo-ciystal oi othei mechanical ink ejection ti ansducei is used to jet the ink Heat may be applied to the piezo-ci ystal oi othei mechanical ink injection ti ansducei dunng opei ation but geneially only to the extent necerney toi ink vis
  • UV cui able ink is jetted onto the substiate, and the jetted ink is exposed to UV cunng light to cui e the UV ink component to an extent sufficient to lendei the punted image substantially lesistant to tuithei wicking, which is genei ally about 60 to 95% polyineuzation depending on ink density substiate poiosity and composition, and substi ate weight and thickness Pieteiably, UV light cunng heads ai e mounted on the cai uage cau ying the puntheads acioss the substi ate, one on each side ot the heads with the lights alternating dui ing the bidnectional motion ot the puntheads to expose the ink immediately attei being deposited on the substiate with light orn the ti ailing light cunng head T he light cunng heads aie duected onto the substi ate to expose the ink immediately attei it contacts
  • ink is jetted onto a textile matei ial oi a highly textuied tabuc such as a mattiess covei ticking matei ial, pietei ably pnoi to the quilting ot the tabnc into a mattiess covei
  • the ink is jetted at a dot density ot about 180x256 dots pei inch pei coloi to about 300x300 dots pei inch pei coloi, though lowei dot densities ot tiom about 90x256 dots pei inch oi as low as about 90x90 dots pei inch can be applied with acceptable l esolution loi DC tam applications 1 ypical ly, toui coloi s ot a CMYK coloi palette aie applied, each in diops oi dots ot about 75 picohtei s oi appioximately
  • the tabuc on which the jetted ink has been theieby pai tially UV cured is then passed thiough an oven wheie it is heated to about 300'F to ⁇ fiom about 30 seconds up to about thiee minutes Foiced hot an may be used to apply the heat the oven, but othei heating methods such as liitraied oi othei nidiant heateis may be used Alternatively, heated platens may be used to heat the ink beai ing matei ial, and such platens aie pai ticulai ly effective in bunging the matei ial quickly up to the 300"F tempeiatuie
  • the UV enei gy level, ov en heating tempeiatuie and oven heat time may be vaned within a lange ot the above listed values depending on the natuie of the tabnc, the density type and composition ot the applied ink,
  • the leliabihty of the pi lilting piocesses may be enhanced, accoiding to DC tam aspects of the invention, by piecondmoning the substi ate, such as by piecoating, shaving oi singeing ot the sui tace to be punted Such pieconditioning eliminates dust and lint that could collect on the punt heads and potentially contnbute to clogging ol the nozzles
  • the invention tui thei piovides an online punthead cleaning station toi automatic cleaning ot the puntheads din ing the coui se ot the punting piocess Pietei ably, pei iodically dui ing the couise ot the punting ot an extended aiea substi ate, the punthead cai uage is ti avei sed to the punthead cleaning station wheie ink is jetted fiom the heads to meme ge the nozzles and the heads aie wiped ot ink and toieign mattei that might have collected on them
  • the invention tui thei piovides toi ⁇ U ink composition which contains, in combination with the UV ink oi othei inks cuiable by exposuie to impinging enei gy, one oi moie dyes which aie both leactive oi have an affinity to some oi all ot the tibei surfaces ot the tabuc and aie compatible with the UV oi othei cui able ink
  • Stable dye components can be added to the othei wise polymei izable ink to toi m a stable composition ' I he composition is digitally punted onto the substi ate wheieupon the dye component is biought into contact with tibei surfaces in the tabuc to chemically bond Fui thei , the amount ot heat applied is that needed to cause leaction oi toi m an affinity with those sui taces Polyineuzation ot the UV or othei cui able ink component is initiated by exposuie to an impinged eneigy beam, such as UV, EB oi othei such eneigy beam This effects at least a surface cuie of the UV oi othei cui able ink component, but genei ally has little effect on the dye component Then the pai tially polymenzed 01 cuied mk is theieaftei subjected to heat to both complete chemical bonding
  • the poi tion ol dye which does not leact with the suitaces is encapsulated within the polymenzed UV ink composition to minimize migi ation ol the dye This encapsulation effect leduces oi eliminates the need toi post-tieatment to lemove the mobile dye tiom the tabnc
  • the invention has the advantage that toi ditteient inks and using ditteient cutei ia toi the desued lesidual amount of uncui ed ink components lemainmg on the substiate, the pai ameteis can be vaned to inciease oi l educe the iesidual amount
  • incieasing oi decieasing the intensity of enei gy, oi using a dif teient toi m ot enei gy than UV, oi by incieasing oi decieasing the time ot exjrosuie ot the ink to the eneigy the amount ot leniaining unpolymei ized non-solv ent ink components can be changed Additionally, using highei oi lowei tempei atuies, oi moie oi less an flow, oi gieatei oi less heating time in the post cu
  • the invention makes it possible to punt images on tabnc with UV curable ink by pioviding effective cunng ot the ink, leaving less than a nominal 1 5 giams ot uncuied monomei s pei squaie metei ot punted matei ial and usually leaving only about 0 1 gi ms pei squaie metei ot uncuied monomei s
  • the invention piovides the benefits ot using UV cui able ink ovei watei and solvent based inks including the advantages ot high coloi satuiation potential low potential sensitivity oi toxicity, and without clogging the jet nozzles and enabling the use ot piezo oi othei high longevity pnnt heads Fui thei moie the encapsulation ettect piovided by the cuied UV ink substantially oi completely piev ents migi ation
  • the invention also makes possible the digital punting ot shai p, cleai images with dye-based inks on suitaces wheie the spieading ot the dots has heietofoie occuned
  • ink that passes thiough a porous oi open weave substi ate is collected and lemoved w ithout contaminating the substi ate Wheie a substiate, toi example, is a texti le sheet oi is in the toi m ot a continuous loll-to loll web that is ted thiough a punting station at a cai uage cai ues an ink jet punthead an ay acioss the substiate and jets ink onto the substiate
  • the substrate is poi ous oi ol an open weave
  • ink passes thiough the substi ate Foi such a substiate a layei ot piotective film, pietei ahly ot the type to which the ink does not sti ongly adheie, undei hes the substi ate
  • the substiate is maintained in tension oi othei wise suppoited out ot contact with an undei lying suitace and a sui tace ot a table in the legion undei the punthead is pi ovided with the layei ot pi otectiv e film
  • Ink deposited onto the film may be pai tially cuied paiticulai ly wheie it is UV cui able ink and UV light that is piovided to cuie ink on the substi ate also pai tially impinges on the piotective film Wheie the substi ate contacts the undei lying suitace, the film is pieteiably such that the adhesion between the jetted and pai tially cui ed k and the layei ot piotective im is only gieat enough to piev ent the ink tiom being wiped fiom its suitace b) the substiate
  • a pumaiy UV light cunng souice exposes the ink that has been jetted onto the substi ate Pietei ably, the cunng light is mounted on oi neai the cai uage to cine the ink immediately attei it leaches the substi ate so that the dots ot ink aie tiozen betoie they hav e a chance to flow into the substi ate oi spi ead
  • the pumai y souice exposes the ink on the layei may be d
  • Fig. 1 is a diagi ammatic pei spective view ot a one embodiment ot a web-ted mattiess covei punting and quilting machine embodying punciples ol the piesent invention
  • Fig. 2 is a peispective view of an ink jet punting machine embodying punciples ot the piesent invention
  • Fig. 3 is cioss-sectional view ol the punting machine ot
  • Fig. 4 is a pei spective view of a poi tion ot the machine ol Figs. 2 and 3
  • Fig. 5 is a top view ot the poi tion ot the machine illusti ated in Fig. 4.
  • Fig. 5A is a pei spective view ot a poi tion ot Fig. 5
  • Figs. 6 and 6A-6D aie punts ot display sci eens ot the opeiatoi tenninal and intoimation budge ot the machine ot Fig. 1 Figs.7A-7C ai e diagi ams i llusti ating ltei natl ve embodiments ot the teatuie ot the invention by which ink jetted thiough a poious substiate is accommodated Detailed Description ot the Preferred Embodiment
  • Fig. 1 illustiates a quilting machine 10 having a stationai y tiame I t with a longitudinal extent lepiesented by an anow 12 and a ti ansveise extent lepiesented by an anow 13
  • the machine 10 has a tiont end 14 into which is advanced a web 15 of ticking oi facing matei ial from a supply loll 16 lotatably mounted to the ti ame 1 1
  • the conveyoi system 20 pietei
  • the ink jet punting head 30 is contigui ed to jet UV ink at 75 picohtei s, oi appioximately 80 nanogi ams, pei diop and to do so toi each ot toui coloi s accoiding to a CMYK coloi pallette Pietei ably, the pnnting head 30 does not undei go a heating step dunng opeiation
  • a mechanical oi electio-mechanical punt head such as a piezo pi ml head is pietened
  • the l es ⁇ lution may be highei oi lowei as desned, but the 180x256 lesolution is pietened It desnable toi tinei images oi gieatei coloi satui ation, 300
  • the punt head 30 is pi ovided with c ⁇ tiols that allow toi the selective opei ation ot the head 30 to selectively pi int two-dimensional designs 34 ol onc oi moie coloi s onto the top layei web 15
  • the dnve 22 toi the conveyoi 20, the duves 31 ,32 toi the pnnt head 30 and the opeiation ot the pnnt head 30 aie pi ogi am contiolled to punt patterns at known locations on the web 15 by a conti ollei 35, which includes a memoi y 36 toi stoi ing pi ogi ammed patterns, machine conti ol piogi ams and l eal time data l egaiding the natuie and longitudinal and ti ansveise location ot punted designs on the web 15 and the l elative longitudinal position ot the
  • the UV cunng station 24 includes a UV light cunng head 23 that may move with the pnnt head 30 oi , as is i llusti ated, move independently ot the punt head 30
  • the UV light cunng head 23 is contiguied to shai ply focus a nanow longitudinally extending beam of UV light onto the punted surface ot the tabuc
  • the head 23 is pi ovided with a tiansvei se dnve 1 which is contiolled to ti nsveisely scan the punted surface ot the tabnc to move the light beam acioss the tabuc Pi etei
  • the head 23 is intelligently contiolled by the conti ollei 35 to selectively opei ate and quickly move acioss aieas having no punting and to scan only the punted images with UV light at a late sufficiently slow to UV cuie the ink, theieby
  • the UV cunng station 24, in the illusti ated embodiment, is located immediately downstieam ot the punting station 25 so that the tabnc, immediately toi lowing punting, is subjected to a UV light cui e In theoi y, one photon ot UV light is lequned to cuie one tiee ladical ot ink monomei so as to set the ink In piactice, one joule ot UV light eneigy is supplied by the UV cunng head 23 pei squaie centimetei of punted sui tace aiea This is achieved by sweeping a UV beam acioss the punted aiea ot the tabnc at a powei ot 300 watts pei hneai inch ot beam width and exposing the sui tace loi a time sufficient to dehvei the eneigy at the desned density Alternatively, if tabnc thickness and opac
  • the heat cunng oi di ymg station 26 is hxed to the ti ame 1 1 , pieterably immediately downstieam ot the UV light cunng station With sufficient UV cuie to stabilize the ink such that the punted image is substantially lesistant to tuithei wicking, the ink will be sufficiently coloi -fast so as to pci mit the diy g station to be off-line, oi downstieam ot the quilting station 27
  • the dye will have eithei leacted oi toi med an affinity with DC tam tibei suitaces, oi will have become substantially oi completely encapsulated within the cui ed UV in component
  • the di ymg station should extend sufficiently along the length ot tabnc to adequately cuie the punted ink at the l te that the tabnc is pun
  • each 1 PPM is equivalent to about 15 5 milhgi ams extractables pet squaie metei ol punted matei ial
  • an k composition compi ismg a UV mk component and a dye component aie toi mulated in a mannei which genei ates a compatible shelf-stable composition The lelative concent!
  • Non-limiting physical chaiactei istics ot the UV ink and dye which aie evaluated in connection with enhancing compatibi lity ot the UV ink component with the dye component include polanty, viscosity, and pH
  • the dye and UV ink would he selected so that no leaction occui s oi can be expected to occui between these ink components oi with any othei incoi poi ated additive undei the conditions expected dunng st ⁇ i age and punting opei ation
  • the heating the dye-based cuied mk may oi may not be earned out to leduce the uncuied level ot uncuied monomei s of the cui able component on the substiate
  • the heating step ot the piocess causes the dye to set With sublimation dyes, toi example, heat causes dye pai tides to sublime into the substiate such as, toi example, into polyestei tabuc tibei s
  • the heating pi ocess causes dyeing by the dispei sion piocess, paiticulai ly with a subclass ol such dispei sion dyes known as sublimation dyes, wheie heat causes the dye pai tides to change state tiom solid to gas duectly
  • the heat opens poies in the polyestei tibei allowing the gas to entei It also is believed to cause the pai tides ot dye to entei a moleculai toi
  • the lesulting "hand" ot the tabnc is sottei than oidinai y UV based pigment ink systems I his is due to the tact that the coloiation ot the substrate, wheie a tabu ot polyestei oi cotton/polyestei mix, is accomplished via the sublimation ot the dye pai ticles
  • the tabuc ti beis aie believed to be coloied on a moleculai level
  • the pigment pai tide would lemain in solid toi m, encapsulated within the UV matux Since these pai ticles aie vei y hard by natuie, the lesult is a significantly stittei tabnc hand
  • the use of a UV cleai base with only dye pai ticles eliminates this haid hand
  • the heat sets the dye, which applies to many dyes and many substiates UV ink can be only the ink base, without a pigment
  • Sublimation ot dispei sed dye is the mechanism applicable to polyestei , but the concept is not limited to sublimation oi to polyestei Foi polyestei dyeing can occui by heating the dispo sed dye without getting to sublimation but in pi actice, the majonty ot the dyeing involves sublimation Sublimation was at one time thought to be something to be avoided
  • Dispei sed dye can be used on polyestei mix It is thought that a UV ink matux with leactive dye can be used toi cotton Theie aie othei dye gioups Most dye gioups will w ⁇ i k using a UV 01 othei polymeuzable matux Dyes that must be earned in solution ai e believed to woi k less effectively, as is the case with acid dyes such as
  • othei mechanisms can be used toi setting the dye, which can be detei mined tiom those mechanisms commonly used with pai ticulai dyes and substiate combinations Howevei , the majoi and most lmpoi tant commeicial use expected in the neai t utuie will involve heat cunng ot UV earned dye on polyestei
  • the quilting station 27 is located downsti earn ot the oven 26 in the pietened embodiment Pieteiably a single needle quilting station such as is descnbed in U S Patent Application Senal No 08/831,060 to Jeff Kaettei hemy, et al and entitled Web-fed Cham-stitch Single-needle Mattiess Covei Quiltei with Needle Deflection Compensation which is expiessly incoi poiated by leteience heiein, now U S
  • Patent No 5,832,849 Othei suitable single needle type quilting machines with which the piesent invention may be used ai e disclosed in U S Patent Applications Sei lal Nos 08/497 727 and 08/687 225 both entitled Quilting Method and Appaiatus, expiessly incoi poi ated by leteience heiem, now U S Patents Nos 5,640,916 and 5 685 250 l espeetively 1 he quilting station 27 ma) also include a multi-needle quilting sti uctuie such as that disclosed in U S Patent No 5 154 130 also expiessl) incoipoiated by leteience heiem
  • a single needle qui lting head 38 is illustiated which is ti ansvei sely moveable on a cai uage 39 which is longitudinally moveable on the ti ame 1 1 so that the head 38 can stitch 360° patterns on the multi-layeied
  • the contiollei 35 contiols the lelative position ot the head 38 lelative to the multi-layeied matei ial 29, which is maintained at a piecisely known position by the opei ation ot the dnve 22 and conveyor 20 by the contiollei 35 and thiough the stoiage ot positioning inlounation in the niemoiy 36 ot the contiollei 35
  • the quilting head 38 quilts a stitched pattern in registiation with the punted pattern 34 to pi oduce a combined oi composite punted and quilted pattern 40 on the multi-layeied web 29 This may be achieved, as in the illusti ated embodiment by holding the assembled web 29 stationaiy in the quilting station 27 hile the head 38 moves, on the ti ame 1 1 , both ti ansvei sely undei the powei of a ti ansvei se hnea
  • the oi dei ot the punting and quilting stations 25,27 lespectivel ⁇ can be l evei sed, with the punting station 25 located downstieam ot the quilting station 27, toi example the station 50 as illustiated by phantom lines in the tiguie
  • the function ot the cunng station 26 would also be leloeated to a point downstieam ot both the quilting station 27 and punting station 50 ⁇ i be included in the punting station 50, as illustiated
  • the cutott station 28 is located downstieam of the downstieam end ot the conveyoi 20
  • the cuiott station 28 is also contiolled by the contiollei 35 in synchopposition with the quilting station 27 and the conveyoi 20 and it may be contiolled in a mannei that will compensate toi shiinkage of the multi-layeied mateiial web 29 dunng quilting at the quilting station 27 oi in such othei mannei as descnbed and illustiated in U S Patent No 5,544,599 entitled Piogiam Contiolled Quiltei and Panel Cuttei System with Automatic Shiinkage Compensation heieby expiessly incoipoiated by leteience heiein Infoimation legaiding the shiinkage ot the tabuc dunng quilting which is due to the gaihei in t mateiial that lesults when thick, tille
  • the panel cuttei 28 sepaiates individual punted and quilted panels 45 tiom the web 38, each beaiing a composite punted and quilted pattern 40
  • the cut panels 45 aie lemoved tiom the output end ot the machine by an outteed conveyoi 46, which also opeiates undei the contiol ot the contiollei 35
  • An alternative embodiment ot the invention is the ink jet punting machine 600 illustiated in Fig.2
  • the machine 600 is a loll-to-i ⁇ ll Inkjet pnnting machine that is particulaily contiguied toi pnnting onto wide textile webs
  • Such machines aie paiticulaily useful toi punting a facing layei ot mateiial which may then be tiansteiied to a quilting machine on a scpaiate quilting line oi to teed mateiial downstieam to a quilting station as in the embodiment illustiated in Fig.1 descnbed above
  • the machine 600 is also paiticulaily suited to punt on textiles that aie not necerneily to be used in a quilted pioduct such as toi signs, banneis appaicl and othei pioducts
  • the pnnting machine 600 has a stati ⁇ naiy housing 601 with a longitudinal extent lepiesented by anow 602 and a tiansveise extent lepiesented by anow 603 ' I he machine 600 has a fi out end 604 fiom which is advanced a substiate web ot textile mateiial 605 downstieam in the longitudinal duection
  • the mateiial may be a gicige goods textile mateiial oi some othei mateiial on which pnnting is desned Wheie the material is a textile, it can have been pieconditioned by piecoating, shaving oi singeing ot the surface to be punted to eliminate dust and lint that could collect on the pnnt heads and potentially conti ibute to clogging of the nozzles Failuie to lemove the fuzz can cause the fuzz ⁇ i dust to be sucked into the nozzle o
  • An opeiatoi station 606 is piovided at the light sideot the tiont end otthe housing 601 having a push button contiol panel 607 and a touch scieen and display 608
  • the housing 601 includes a base assembly 609 which suppoits the machine 600 and encloses the supply ot substiate mateiial as descnbed in connection with Fig.3 below
  • Acioss the top ot the housing 601 tiansveisely and suppoited on the base 609 extends an infoimation budge 610
  • the infoimation budge 610 has toui display scieens 611-614 facing the tiont 604 ot the machine 600 Fiom the contiol panel 606 an opeiatoi can select the infoimation to be displayed on each ot the scieens 611-614
  • infoimation can included status data machine paiametei settings scheduling batch and pio
  • the base 609 ot the housing 601 has a conveyoi table 615 on the top theieot on the upwardly facing hoi izontal suitace ot which is suppoi ted a length ot the substi ate web 605 toi pnnting as illusti ated in Figs. 3 and 4
  • the conveyoi table 615 has a conveyoi belt 616 that extends ti ansveisely acioss the width ot the table
  • the belt 6 L6 extends acioss the width ot the ti ame 601 and tests on a smooth stainless steel vacuum table 620 which lias theiein an an ay of upwai dly facing vacuum holes 621 which communicate with the undei side ol the belt 616
  • the belt 616 has a high ti iction i iibbei-hke polvmeuc suitace 622 to help pi event a hoi izontal sliding ot the substiate 605 and thiough which an au ay ot holes 623 is piovided to facilitate communication ot the vacuum orn the v acuum table 620 to the substiate 605
  • the belt 616 is inelastic and has an open w eave backing 107 winch
  • the indexing of the belt 616 is contiollable to dn accuiacy ot about 0 0005 inches to move the substiate web 605 lelative to the housing 601
  • a punting budge 630 Fixed to the base 609 ot the housing 601 and extending tiansvei sely theieot is a punting budge 630 above the conveyoi table 615 and below the lntoi mation budge 610
  • the pnnting budge 630 supports a pnnt head cai uage 631 toi ti ansveise movement above and pai allel to the substiate 605 suppoi ted on the conveyor table 615, as illustiated in moie detail in Figs.
  • the budge 630 has a pan ot lails 632 on the tiont side theieot on hich the cai uage 631 is adapted to move
  • a lineai sei vo motoi 633 has a statoi bai 633a containing a hneai an ay ot pei manent magnets mounted aci oss the tiont face ot the punting budge 630 and an ai matuie 633b tixed to the cai uage 631 and electi ically connected thiough a wue cage chain 634 on the budge 630 to the contiollei 625
  • An encodei 636 also extends acioss the tiont ol the budge 630 and piovides feedback infoi mation to the conti ollei 625 as to the position ot the cai uage 631 on the budge 630 Lineai motoi s such as
  • the pnnt head caiuage 631 has fixed at the bottom theieot two sets 640, 64 t, each having toui ink jet punt heads 640a-d,64 la-d
  • the punt heads ot each set aie auanged in a tiansvei se I OW so that they punt successively along a ti ansvei e sn ip acioss the substi ate 605 as the punt head cai uage 631 moves ti ansvei sely acioss the budge 630 to l espectively apply the foui coloi s ot a CMYK coloi set
  • the k jet pnnting heads 640a-d,641a-d each include a lineai an ay ot two bundled titty-six (256) mk jet nozzles that extend in the longitudinal diiection lelative to the ti am
  • a longitudinal dot lesolution ot 360 dpi can be achieved Schemes to leduce ai titacts and achieve dittei ent levels ot pnnting quality involve activating halt oi one thu d ot the jets and scanning two oi thiee times indexing as lequned Ti ansvei se l esolution is settable at any lesolution up to appioximately 720 dpi by contiolling the lesolution and timing ot the information sent by the contiollei 625 to the pnnt heads A ti ansvei se dot l esolution is pieterably maintained close to the longitudinal l esolution being used
  • Ink is supplied to each ot the pnnt heads 640a-d,641a-d by a lespective one ot a set ot eight ink supplies (not shown) in the left side ot the base 609 ot the housing 601, which are connected to the respective heads thiough tubes earned by the vvue cage 634
  • Each ot the ink supplies includes a collapsible plastic bag and a pei istaltic pump to supply UV ink to one ot the ink jet pi int heads 640a-d,64 l a-d
  • Each collapsible supply bag is coupled to one ot the pei istaltic pumps via a tube that may include a quick disconnect
  • the pei istaltic pump in tui n supplies ink thiough a tube to a lespeetive one ot the ink jet punt heads
  • An optional intei veiling lesei von may be piovided in each tube between the pump
  • the supply ot the substiate matei ial 605 is loaded on a loll 650 onto a sliding earner 651 that slides out ot the base 609 ot the housing 601 toi loading and letui ns to the position shown in Fig.
  • the heatei 660 contacts the substiate 605 with one oi moie heated platens, which quickly bung the substi ate to a tempei atuie ot 360°F within appioximately one to two seconds
  • the heating station oi heatei 660 has a path theiethrough ot tiom about thii ty inches to about toi ty inches toi the web 605
  • the heatei 660 includes an initial heated stainless steel bullnose platen 661 is positioned to contact the undei surface ot the matei ial 605 opposite the side on which the ink tiom the pi int heads 640,641 has been deposited
  • the bullnose platen 661 bungs the substi ate 605 to a desned tempeiatui e ot 300 380 ° in one to two seconds, wheie hot an takes h orn 30 seconds to
  • a seues ot lolleis 666 take up and t oll the punted matei ial web 605
  • the seues ot lollei s 666 includes anothei accumulatoi lollei 667 which maintains tension on the web 605 downstieam ot the nip ot the lollei s 618,61
  • the punt head caiuage 631 is piovided a head cleaning station 670 Pei lodically in the coui se ot the punting ot a web ot matei ial 605 toi example attei the punting ot some length ot web twenty metei s toi example, oi whenevei an opei atoi detei mines that the heads need to be cleaned, the cai uage 631 is ti avei ecl to the l ight side ot the budge 630 ovei the cleaning station 670
  • the cleaning station 670 is piovided with a pan 671 toi collecting ink When the heads aie moved to the cleaning station 670, they pass ovei a slot 672 in a vvipei blade mounting block 673 and ink is jetted tio
  • Fig. 6 illustiates the mam contiol window 680 displayed on the seieen 608 ot the panel 606
  • the window 680 includes a function key 68 f and set ot buttons 682 toi assigning functions to the haid buttons 607 on the panel 606, such as manually advancing the web 605, moving the slide 651 to load a loll 650 and facilitating othei such opeiatoi pioeeduies, and toi selecting the infoi mation to be displayed on the scieens 61 1-614 on the infoi mation budge 610
  • the opei atoi can manually choose a selected pattern, which is displayed in window 683, by piessmg the button 684, to open the pattern select window 684a, which displays icons 683a ot the available patterns, as i llusti ated in Fig.
  • the opei atoi can also set up pi intei paiametei s by piessing the button 685 on window 680, winch opens the pnntei setup window 685a i llustiated m Fig. 6B
  • the opei atoi can tui thei configuie the pi intei by piessing the button 686011 window 680, which opens the pi intei configui ation window, vanous pages 686a, 686b ot which aie illusti ated in Figs.
  • punted output and othei communication functions can be conti oiled by piessing the button 687 while diagnostic information can be displayed by piessing the button 688
  • Speed and timing lntoi mati ⁇ n is displayed 111 boxes 689 while batch and job status data, such as items and quantities completed and job (pioduct 01 customei) identification data is displayed in boxes 690
  • the machine 600 is contiguied to function in accoidanee with the batch contiol and automatic scheduling piocesses descnbed in U S Patent No 6, 105,520 by fames T Fi azei , Von Hall, Ji and M Bul l White entitled Quilt Making Automatic Scheduling System and Method hei eby expiessly incoi poi ated by letei ence heiein
  • Fig. 7A shows a punting appai atus 700 thi ough which a web 01 othei substi ate 71 1 ot woven 01 knitted polyestei textile matei ial is being ted toi punting
  • the appai atus 700 includes a suppoi t table 702 ovei which the web 71 1 is ted
  • a hxed budge 713 extends ti ansvei sely acioss the path ot the web 71 1 ovei the table
  • a punthead cai uage 714 is mounted to move acioss the budge 713, dnven by lineai sei vo motoi s 717
  • an ink jet punthead 715 is suppoi ted and onented so as to jet UV cui able ink onto the substi ate 71 1 on the table 702
  • Also mounted on the cai uage 714 on opposite sides ot the punthead 715 is a pan ot UV light cunng heads 7 L6 onented to expose UV ink jetted onto the substiate 711 immediately attei the ink l eaches the substi ate
  • the table 702 is made ot metal, toi example stainless steel, and has an upwaidly facing surface that is coated, at least in the aiea on which the punthead 7 15 punts, with a layei ot lelease matei ial 704 such as
  • the lelease matei ial layei 704 has enough adhesion to the ink to pievent it tiom wiping oft by the passage ol the substiate 71 1 ovei the table 702, but has sufficiently low adhesion to allow the ink to latei be wiped 01 othei wise lemoved tiom the layei 704 with l elative ease
  • the ink on the layei 704 may n ⁇ i mally stick to the layei 704 but be lemovable with a solvent ⁇ i othei cleaning agent
  • the UV cunng heads 16 pieteiably have light souices that focus ovei a sufficiently long depth of field so as to expose and cuie not only mk that deposits on the substi ate 71 1 but that which passes thi ough poies 01 holes in the weave ot the substi ate 71 1 and collects on the undei lying lelease matei ial layei 704
  • the ink on the lelease matei ial 704 is suffi iently set 01 cuied so as to be in a powdei 01 othei wise substantially solid state as it entei s the cleaning station so that it can be wiped oi othei wise easily lemoved tiom the surface ot the lelease matei ial 704
  • the table 702 may be a vacuum table with vacuum holes 721 thiough the layei 704 to allow the vacuum to pass thiough to help hold the substi ate 71 1 in place foi punting
  • Fig. 7B shows a punting appaiatus 710 thiough which web 71 1 of woven oi knitted polyestei textile matei ial is being ted toi pnnting
  • the appai atus 710 includes a suppoi t table 712 ovei which the web 71 1 is ted Fixed budge 13 extends ti ansveisely aci oss the path ot the web 7 1 1 ovei the table 712 Punthead cai uage 14 is mounted to move acioss the budge 713 di iv en by lineai sei vo motoi 717 On the cai uage 714, Ink jet punthead 7 15 is suppoi ted and onented so as to jet
  • a sheet ol lelease matei ial 720 Positioned ovei the table 712 between the table 712 and the substi ate 711 is a sheet ol lelease matei ial 720, such as TEFLON oi a silicone coated f ilm matei ial oi some othei matei ial to which the ink will not easily stick oi will stick with such low adhesive toice that it can be easily wiped or otheiwise lemoved tiom the suitace ot the lelease matei ial 720
  • the lelease matei ial 720 in the appai atus 710, is in the foi m ot a web oi endless belt
  • the belt ot lelease matei ial 720 moves with the substiate 711 thiough the appaiatus 710 and letui ns thiough a path 722 undei the
  • Whei e the substi ate is suf f iciently poi ous f i the ink to pass thiough it, but not sufficiently poious to allow enough UV light to pass so as to cuie the ink on the piotective matei ial
  • the moveable belt may be used to collect the ink while moving with the substi ate so the ink does not smeai , then when the belt sepaiates ti om the substi ate, a sepai ate souice ol UV light can be used to solidity the ink on the piotective layei
  • the ink may be l emoved in liquid state tiom the belt
  • the table 712 may be a vacuum table in winch case the matei ial 720 should be sufficiently poious to allow the vacuum to pass thiough to help hold the substiate 711 in place toi pnnting
  • Fig. 7C shows a cioss-sectional view ot a pnnting appai atus 705 similai to the appaiatus 700 ot Fig. 1 and thiough which the web oi othei substi ate 711 ot w oven oi knitted polyester textile matei ial is being ted toi pnnting
  • the appai atus 705 includes a platen oi table 706 ovei which the web 711 is ted Punthead cai uage 714 is mounted to move acioss the budge as illusti ated in Fig.
  • the table 705 may be made ot metal toi example stainless steel, and has an upwaidly facing surface that is coated at least in the aiea on which the punthead 715 punts, with the layei ot lelease matei ial 702 thei eon Instead ot piovid g the lelease matei ial layei 704 with enough adhesion to the ink to prevent it tiom wiping ott by the passage of the substiate 71 1 o
  • the guide sti uctuie may include sets ot ti ansvei sely extending elements to pinch the tabuc and stietch it pai allel to and spaced fiom the table 706
  • the pinch element sets may each include a pan ot smooth low tuction bais, a bai and I ol lei set oi a pan ot lollei s
  • the pinch elements may toi example, hold the substiate in sufficient tension to keep it in position l elative to the punthead toi punting and to keep it out ot contact with the table 706 In the
  • the guide sti uctuie maintains the substi ate 71 1 in tension and spaced above the table 706 a shoi t distance toi example 1/4 inch so that the matei ial does not touch the suitace ot the table 706
  • the tension in the substi ate 71 1 may, toi example as shown m Fig.
  • the UV cunng heads 16 pietei ably have light souices that focus ovei a suff i iently long depth ot field so as to expose and cuie not only ink that deposits on the substi ate 711 but that which passes thiough poies or holes in the weave ot the substi ate 71 1 and collects on the undei lying telease matei ial layei 704 on the table 706 spaced below the substi ate 71 1
  • the ink on the l elease material 704 is sufficiently set oi cui ed so as to be in a powdei oi otheiwise substantially solid state as it enteis the cleaning station, so that it can be wiped oi othei wise easily lemoved tiom the sui tace ot the lelease matei ial 704
  • the platen 706 is penodically wiped ot the ink that passes thiough the porous substiate 7 I I onto the lelease layei 704

Landscapes

  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Ink Jet (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Coloring (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

L'impression à jet d'encre s'effectue sur des substrats à grande surface tels que des bandes textiles de grande largeur. Les têtes d'impression sont commandées par des servomoteurs linéaires (633) afin de se déplacer le long d'un pont (630) qui est disposé à travers le substrat. La synchronisation de l'impression par jet d'encre est coordonnée avec le déplacement des têtes d'impression (640, 641) de sorte que lesdites têtes puissent se déplacer rapidement et que l'encre puisse être expulsée alors que les têtes d'impression sont en cours d'accélération ou de décélération lors de leur déplacement sur le pont. De préférence, une encre réticulable qui sèche sous l'action du rayonnement ultraviolet (UV) est expulsée et subit une première réticulation partielle avec le rayonnement UV (645, 646) puis est soumise à un chauffage aux fins d'une réduction plus complète des monomères non réticulés de l'encre sur le substrat. De préférence, la chaleur est appliquée par contact du substrat avec une plaque chauffée (661, 662). L'impression par jet d'encre est effectuée au moyen d'une composition réticulable qui sèche sous l'action du rayonnement ultraviolet (UV) ou de toute autre composition réticulable ou au moyen d'une substance d'impression stable ou analogue. Dans certains modes de réalisation, l'encre UV contient un composant colorant. L'encre est expulsée sur un substrat, la composition est réticulée puis chauffée de manière à fixer le colorant. L'impression préférée est une impression par sublimation d'encre UV contenant un colorant, effectuée sur du polyester. Une couche de libération composée d'une matière protectrice (702, 704) telle qu'un film ou une feuille de TEFLON, recouvre un support à effet de substrat (705, 706). Un substrat poreux à imprimer, tel qu'une matière textile (711), est supporté à la surface ou au-dessus dudit support. L'encre est expulsée vers la surface du substrat, et une partie de l'encre qui traverse des pores présents dans le substrat se dépose sur la matière protectrice. L'encre réticulable sous l'effet d'un rayonnement UV est de préférence utilisée et est exposée à un rayonnement UV provenant d'une tête de réticulation par rayonnement UV, qui solidifie l'encre sur le substrat. La source de rayonnement UV de réticulation possède une longueur focale suffisamment importante pour permettre une focalisation sur la surface du substrat ainsi que, là où l'encre traverse les pores du substrat, sur l'encre à la surface de la matière protectrice, ce qui assure la solidification de l'encre à la surface de la matière protectrice. Lorsque le substrat est retiré du support, l'encre solidifiée sur la matière protectrice peut être essuyée et retirée de la matière protectrice. Ladite matière protectrice peut être un revêtement formé sur le support au-dessus duquel le substrat coulisse ou une bande qui se déplace avec le substrat. Un substrat textile peut être préconditionné par flambage ou arasage visant à supprimer la peluche sur le tissu susceptible de boucher les têtes d'impression. L'invention se rapporte également à une station de nettoyage de tête d'impression.
EP02719393A 2001-03-30 2002-03-28 Procede et appareil d'impression a jet d'encre Withdrawn EP1381515A4 (fr)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US09/823,268 US6467898B2 (en) 1999-09-03 2001-03-30 Method and apparatus for ink jet printing on textiles
US823268 2001-03-30
US824517 2001-04-02
US09/824,517 US6702438B2 (en) 1999-09-03 2001-04-02 Method and apparatus for ink jet printing on textiles
US932427 2001-08-17
US09/932,427 US6726317B2 (en) 1999-09-03 2001-08-17 Method and apparatus for ink jet printing
US32762201P 2001-10-05 2001-10-05
US327622P 2001-10-05
US33331901P 2001-11-26 2001-11-26
US333319P 2001-11-26
PCT/US2002/009963 WO2002078958A1 (fr) 2001-03-30 2002-03-28 Procede et appareil d'impression a jet d'encre

Publications (2)

Publication Number Publication Date
EP1381515A1 true EP1381515A1 (fr) 2004-01-21
EP1381515A4 EP1381515A4 (fr) 2006-05-17

Family

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EP02719393A Withdrawn EP1381515A4 (fr) 2001-03-30 2002-03-28 Procede et appareil d'impression a jet d'encre

Country Status (6)

Country Link
EP (1) EP1381515A4 (fr)
JP (1) JP2004532750A (fr)
CN (1) CN100354134C (fr)
CA (1) CA2442429A1 (fr)
IL (1) IL158123A (fr)
WO (1) WO2002078958A1 (fr)

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Publication number Publication date
CA2442429A1 (fr) 2002-10-10
EP1381515A4 (fr) 2006-05-17
JP2004532750A (ja) 2004-10-28
CN1678458A (zh) 2005-10-05
WO2002078958A1 (fr) 2002-10-10
IL158123A (en) 2006-04-10
CN100354134C (zh) 2007-12-12

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