EP0922588A2 - Procédé d'application d'un décor coloré à partir de dispersions colorées sublimables - Google Patents

Procédé d'application d'un décor coloré à partir de dispersions colorées sublimables Download PDF

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Publication number
EP0922588A2
EP0922588A2 EP98123021A EP98123021A EP0922588A2 EP 0922588 A2 EP0922588 A2 EP 0922588A2 EP 98123021 A EP98123021 A EP 98123021A EP 98123021 A EP98123021 A EP 98123021A EP 0922588 A2 EP0922588 A2 EP 0922588A2
Authority
EP
European Patent Office
Prior art keywords
film
water
decor
rollers
pool
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.)
Granted
Application number
EP98123021A
Other languages
German (de)
English (en)
Other versions
EP0922588B1 (fr
EP0922588A3 (fr
Inventor
Maximilian Zaher
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.)
Bush Industries Inc
Original Assignee
Bush Industries 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 Bush Industries Inc filed Critical Bush Industries Inc
Publication of EP0922588A2 publication Critical patent/EP0922588A2/fr
Publication of EP0922588A3 publication Critical patent/EP0922588A3/fr
Application granted granted Critical
Publication of EP0922588B1 publication Critical patent/EP0922588B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
    • B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • B05D1/20—Processes for applying liquids or other fluent materials performed by dipping substances to be applied floating on a fluid
    • 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
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/03—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by pressure
    • 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
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
    • B41M5/0358—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic characterised by the mechanisms or artifacts to obtain the transfer, e.g. the heating means, the pressure means or the transport means

Definitions

  • the invention relates to a method for applying a colored Decorations on an object in which the decor is on a supporting film placed on the surface of a liquid and the object at least partially in the liquid is immersed to transfer the decor to the object.
  • US-A-4,348,246 and US-A-4,388,866 describe similar ones Transfer printing techniques, with the film being transferred Decor on a granulate layer or a deformable one Layer of pens is placed.
  • US-A-4,436,571 describes a transfer print of the beginning mentioned type, in which the object to be printed in certain Way into the liquid with the floating on it Decor is immersed, namely in a continuous movement diagonally down towards the flow and then diagonally upwards, also in the direction of the flow of the liquid.
  • US-A-4,407,881 (corresponding to DE-A-32 19 992) describes for the transfer printing mentioned at the outset a special configuration of the support film, which is a hydrophilic, deformable layer has, which can swell by absorption of water, and another layer overlaid on the hydrophilic layer is and which is permeable to water in different ways, so that the hydrophilic layer expands more or less.
  • US-A-4,229,239 describes a special embodiment of the Transfer printing technology mentioned at the beginning, in which the decor before preparing for transfer using a solvent so that it is easier to transfer from the object to the object supporting film triggers.
  • This activation of the decor takes place immediately with the prior art mentioned before applying the film with the decor on the free Water surface.
  • the can Dissolve the decor supporting film so that the decor alone (without the film) floats on the surface of the water and then Immerse the object to be decorated on this Item is applied.
  • US-A-4,269,650 also describes the addition of a solvent, to facilitate the detachment of the decor from the supporting film.
  • solvents are for example Pentanes, hexanes, heptanes, octanes, gasoline (petrol) or aromatic hydrocarbons, such as benzene, toluene, cyclohexane etc.
  • Synthetic resins are proposed, such as halogenated vinyl chlorides and the like.
  • the invention has for its object a method of type mentioned in such a way that a high quality colored decoration with little material and process an object is made possible.
  • Fig. 1 shows on the right a housing 10 in which a printed film is fed to a pool 12 via rollers.
  • the housing 10 and the water basin 12 are on a common Foundation 14, which the entire system largely supported by external mechanical interference.
  • the film printed with the decor on its upper side becomes via a film feed 16 in the form of an oblique Conveyor belt from the housing 10 to the surface of the water in the pool 12 out.
  • the conveyor belt of the film feeder 16 overflows Rollers 18, 20.
  • a pump 22 which has a water circuit maintained.
  • a line 24 leads from the pump 22 into a cavity 30 in which the water along a Damming wall 28 is pumped to a level above the surface of the water in the pool 12. From the water inflow 26 at the top This ends at the end of the cavity 30 above the dam 28 Water down, the cavity 30 completely filled with water is filled.
  • Fig. 3 the flow path of the water is closer shown and the feed of the Water in the pool 12 described in more detail.
  • lateral guide bands 32, 32a see also FIG. 2 the one placed over the film feeder 16 and provided with the decor Film 50 in the direction of flow (from the right in the figures to the left).
  • the guide belts only arranged on the side 32, 32a run over rollers 34, 36, which extend over the entire width of the device.
  • the Roller 36 cooperates with one in the direction of flow arranged behind it further roller 42, which is also extends over the entire width of the device (cf. Fig. 2), an additional function, namely the separation of Film and decor residues of clean water in the circuit.
  • the object 40 to be printed becomes approximately at the point marked with an arrow from above in the water is immersed in the pool 12.
  • Fig. 6 shows schematically that Immerse the object 40 in the liquid on which the supporting film 50 and the decor 51 float.
  • the decor 51 consists of sublimable disperse dyes. When immersing the decor 51 wraps three-dimensionally around the object 40 and sticks to it.
  • the film 50 can already largely before and / or during the immersion process Have dissolved water so that the object 40 directly from pressed into the decor 51 floating on the liquid at the top and the transfer process due to the fluid pressure takes place. Using this technique can be complicated three-dimensional objects are printed to scale.
  • Figures 2 and 3 show the device schematically from above and from the side. 3 illustrates details of the feed of water in the pool.
  • the water in the cavity 30 rises the dam 28 and falls down into the pool 12 from there.
  • An opening 64 is provided below the storage wall 28, through the excess water enter directly into the pool 12 can.
  • Fig. 3 the path of the water over the damming wall 28 with a solid line 48 shown schematically.
  • the two rollers 60, 62 are arranged vertically one above the other and in the direction of the arrow P vertically adjustable.
  • At least one of the rollers, the lower roller in particular has a rotary drive, preferably both rollers.
  • the speed of rotation of the rollers is such that the water is pumped according to arrow 56.
  • the arrow 56 also marks the surface of the water in the pool 12. In 3 thus rotates the lower roller 60 counterclockwise, and the upper roller 62 rotates clockwise.
  • rollers 60, 62 By Adjustment of the rollers 60, 62 in their vertical height, adjustment their distance from each other and the speed of rotation the inflow of water into the pool is optimal Taxes. Rollers 60, 62 with a smooth surface are preferred made, for example, in stainless steel. For example the distance between the two rollers, depending on the requirements of the object to be printed, approximately 1 cm. The amount of water fed in is determined by the distance controlled. By the speed of rotation of the rollers (mainly the lower roller 60) the flow rate be influenced on the surface 56 in the pool 12.
  • a sensor By means of a sensor (not shown in detail) continuously measured the level of the water in the pool 12 and unwanted waves that may occur are determined. This information is sent to all adjustable components given controlling computer, which evaluates them accordingly. For example, if waves occur, the computer can Change the rotation, position and distance of the rollers 60, 62 to to prevent the occurrence of waves and the water surface keep calm.
  • the film 50 sliding down from the film feeder 16 with the printed decor arrives at the point 54 on the water surface in pool 12. There it swims on the surface and is carried along with the current.
  • nozzles in the pool 52 there are several nozzles in the pool 52 arranged with which flows in the water in different Directions can be generated.
  • Fig. 4 shows the nozzles schematically in an enlarged view and their optional positioning in the room to change flow directions depending of the desired shape of the film according to the one to be printed Object.
  • nozzles positioned in the illustrated embodiment that practically anywhere on the surface 56 of the desired flows can be generated.
  • the Nozzles 52 thus give a water flow upwards or at an angle upwards to the surface of the stretchable and compressible Film together with the decor in the desired way stretch or condense. So in the area 50a (Fig.
  • FIG. 4 shows right schematically the adjustability of the flow direction by means of a nozzle 52, the axis 70 of which the direction of flow defined, adjustable inclined to the water surface is.
  • a pump 66 which pumps the water through the nozzles 52 drives, shown schematically, and are above the pump six arrows indicated, which symbolize the individual nozzles.
  • the film with the decor largely has its own desired (stretched or condensed) shape is achieved and is conveyed downstream over several rollers 38.
  • the rollers 38 are in its height so adjustable that it is approximately with its upper edge the water surface 56 are aligned.
  • the rollers 38 serve on the one hand the calming of the water surface and the other Feed the film. They are preferred with a smooth surface, for example made of stainless steel.
  • the rollers preferred each have a rotary drive and are in terms of Rotation speed and height adjustable. With the rollers 38 can the surface of the water in particular downstream (left) kept calm and the feed of the film stabilized become.
  • the feed rate of the film versus the flow velocity of the water can be set faster or slower.
  • the former is especially advisable if the object to be printed must be immersed very deep in the pool or if the item must be quickly immersed.
  • rollers 38 are provided which are cylindrical and each independently regarding vertical position, speed of rotation and horizontal distance are adjustable. With the rollers 38 can controlled the feeding of the decorative film 50 into the printing area become.
  • Fig. 5 shows the supply of a decor 51 Film 50 to the pool 12.
  • the housing 10 and the film feed 16 have already been described above with reference to FIG. 1.
  • the housing 10 is a further housing 70 in the conveying direction of the film 50 upstream, in the embodiment shown twelve film rolls 72, 72a, 72b etc. are stored in stock.
  • the physical and chemical in the housing 70 Conditions controlled, especially temperature, gas composition, Moisture etc.
  • the decor 51 is coated with deflection rollers 74 Film 50 from a roll 72 in housing 70 into housing 10 transferred and from there via pulleys 76, 78, 80 to Film feeder 16.
  • the film feeder is fully automated. 5 is shown the film 50 with the decor 51 directly from a film roll 72 in Housing 70 deducted.
  • the film role is previously known in itself Were printed with the decor 51.
  • Fig. 5 also shows a film roll 82 in the housing 10, of which the Film 50 with decor 51 can alternatively be pulled off directly, namely on the roller 76, as indicated by the dashed line is.
  • the immersion process can also be carried out vertically in a simple manner respectively.
  • the immersion technique and in particular the sequence of movements of the object when immersed largely depend on the Shape of the object 40 to be decorated.
  • the transferred dye decor can be processed further on the object 40. It is preferably caused by the action of heat that the disperse dye molecules diffuse into the surface of the object 40.
  • the diffusion of disperse dyes in plastics is known as such. The diffusion takes place under the influence of heat. The disperse dye molecules diffuse into the plastic, so that a stable decor is created.
  • An IR laser with a wavelength greater than 6 ⁇ m, in particular greater than 10 ⁇ m, is preferably used to promote diffusion, such as, for. B. a CO 2 laser with a wavelength of 10.6 microns.
  • the heating can also be carried out by hot air or conventional IR radiation.
  • a laser is preferred because it only heats the plastic object in the required area, i.e. on the surface in which the diffusion is to take place. Otherwise, the object remains largely unstressed thermally, so that undesirable phenomena such as curvature of the object, crack formation, gas formation, bubble formation or the like are avoided.
  • FIG. 7 schematically shows the irradiation of an object 40 covered with a decor 51 made of sublimable disperse dyes with an IR laser beam 82 from a CO 2 laser 80.
  • the object 40 with the decor 51 is moved in relation to the laser beam 82 or conversely, the laser beam 82 is deflected (not shown) over the object ("scanned") so that all areas are irradiated successively and the diffusion of the dye molecules into the material is effected.
  • This technique can (but does not have to) eliminate subsequent painting of the colored object.

Landscapes

  • Decoration By Transfer Pictures (AREA)
EP98123021A 1997-12-09 1998-12-07 Procédé d'application d'un décor coloré à partir de dispersions colorées sublimables Expired - Lifetime EP0922588B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19754636A DE19754636A1 (de) 1997-12-09 1997-12-09 Verfahren zum Aufbringen eines farbigen Dekors aus sublimierbaren Dispersionsfarben
DE19754636 1997-12-09

Publications (3)

Publication Number Publication Date
EP0922588A2 true EP0922588A2 (fr) 1999-06-16
EP0922588A3 EP0922588A3 (fr) 2002-06-05
EP0922588B1 EP0922588B1 (fr) 2004-07-14

Family

ID=7851268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123021A Expired - Lifetime EP0922588B1 (fr) 1997-12-09 1998-12-07 Procédé d'application d'un décor coloré à partir de dispersions colorées sublimables

Country Status (3)

Country Link
EP (1) EP0922588B1 (fr)
DE (2) DE19754636A1 (fr)
ES (1) ES2222548T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2048001A1 (fr) 2007-10-11 2009-04-15 DeMaxZ AG Application d'un décor sur un objet à l'aide d'une feuille de collage, sur laquelle le décor a été préalablement appliqué selon le procédé de décollement
US7703392B2 (en) 2004-11-22 2010-04-27 Demaxz Ag Pressure based method and apparatus for applying a decoration onto an object

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100580744C (zh) * 2005-09-13 2010-01-13 南京大学 流体现象二维模拟演示方法及其专用染色装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010057A (en) * 1974-08-12 1977-03-01 Kabushiki Kaisha Kobayashi Printing apparatus
DE3229288A1 (de) * 1982-08-05 1984-02-09 Elmar Dr. 8000 München Messerschmitt Anwendung eines composites und composit zur dekoration von oberflaechen
GB2126163A (en) * 1982-08-17 1984-03-21 Cubic Eng Kk Transfer printing method
EP0455849A1 (fr) * 1990-05-08 1991-11-13 POLYTREND GESELLSCHAFT FÜR POLYMERE WERKSTOFFE & OBERFLÄCHENTECHNIK MBH Méthode et appareil pour le transfert d'une décoration en couleur à un substrat plastique ou à un substrat plastique décoré
EP0877008A1 (fr) * 1997-05-07 1998-11-11 MZE Engineering für Verfahrenstechnik GmbH Procédé de revêtement de dalles céramiques comprenant au moins deux couches photodurcissables

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010057A (en) * 1974-08-12 1977-03-01 Kabushiki Kaisha Kobayashi Printing apparatus
DE3229288A1 (de) * 1982-08-05 1984-02-09 Elmar Dr. 8000 München Messerschmitt Anwendung eines composites und composit zur dekoration von oberflaechen
GB2126163A (en) * 1982-08-17 1984-03-21 Cubic Eng Kk Transfer printing method
EP0455849A1 (fr) * 1990-05-08 1991-11-13 POLYTREND GESELLSCHAFT FÜR POLYMERE WERKSTOFFE & OBERFLÄCHENTECHNIK MBH Méthode et appareil pour le transfert d'une décoration en couleur à un substrat plastique ou à un substrat plastique décoré
EP0877008A1 (fr) * 1997-05-07 1998-11-11 MZE Engineering für Verfahrenstechnik GmbH Procédé de revêtement de dalles céramiques comprenant au moins deux couches photodurcissables

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7703392B2 (en) 2004-11-22 2010-04-27 Demaxz Ag Pressure based method and apparatus for applying a decoration onto an object
EP2048001A1 (fr) 2007-10-11 2009-04-15 DeMaxZ AG Application d'un décor sur un objet à l'aide d'une feuille de collage, sur laquelle le décor a été préalablement appliqué selon le procédé de décollement

Also Published As

Publication number Publication date
ES2222548T3 (es) 2005-02-01
EP0922588B1 (fr) 2004-07-14
DE19754636A1 (de) 1999-06-10
EP0922588A3 (fr) 2002-06-05
DE59811670D1 (de) 2004-08-19

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