EP0922588B1 - Verfahren zum Aufbringen eines farbigen Dekors aus sublimierbaren Dispersionsfarben - Google Patents
Verfahren zum Aufbringen eines farbigen Dekors aus sublimierbaren Dispersionsfarben Download PDFInfo
- Publication number
- EP0922588B1 EP0922588B1 EP98123021A EP98123021A EP0922588B1 EP 0922588 B1 EP0922588 B1 EP 0922588B1 EP 98123021 A EP98123021 A EP 98123021A EP 98123021 A EP98123021 A EP 98123021A EP 0922588 B1 EP0922588 B1 EP 0922588B1
- 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.)
- Expired - Lifetime
Links
Images
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, the film with the one to be 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 above has a special design of the support film, which is a hydrophilic, deformable layer has that 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 the transfer is prepared with 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 stated prior art 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 for example Pentanes, hexanes, heptanes, octanes, gasoline (petrol) or aromatic hydrocarbons, such as benzene, toluene, cyclohexane etc.
- Synthetic resins such as halogenated vinyl chlorides and like.
- the invention has for its object a method of type mentioned at the outset so that with low material and procedural effort a high quality colored decoration 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 Rolls 18, 20.
- a pump 22 which has a water circuit maintains.
- 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 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.
- a film is made of PVA (Polyvinyl alcohol) used in water more or less is soluble.
- PVA Polyvinyl alcohol
- PVA is used when using disperse dyes well suited as film material.
- FIGS 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 baffle 28 the excess water enter directly into the pool 12 can.
- Fig. 3 the path of the water over the dam 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, in particular the lower roller has a rotary drive, preferred 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 water in different Directions can be generated.
- Fig. 4 shows the nozzles schematically in an enlarged view and their optional positioning in the room for changing flow directions depending of the desired shape of the film according to the one to be printed Object.
- nozzles According to the top view of FIG. 2 in the illustrated embodiment 3 x 4 (12) nozzles positioned so 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 compressed) 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 in terms of vertical position, rotational speed 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 one with 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 over 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 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 done vertically in a simple manner respectively.
- the immersion technique and especially the sequence of movements of the object when immersed depend largely on the Shape of the object 40 to be decorated.
- the transferred dye decor can be processed further on the object 40.
- the effect of heat causes the disperse dye molecules to 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 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, cracking, gas formation, blistering or the like are avoided.
- FIG. 7 shows schematically 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 successively irradiated and the diffusion of the dye molecules into the material is effected.
- This technique can (but does not have to) do without subsequent painting of the colored object.
Landscapes
- Decoration By Transfer Pictures (AREA)
Description
- Fig. 1
- schematisch von der Seite eine Vorrichtung zum Aufbringen eines Dekors auf einen Gegenstand;
- Fig. 2
- eine Draufsicht auf eine Vorrichtung gemäß Fig. 1;
- Fig. 3
- eine Seitenansicht eines stromauf gelegenen Abschnit tes der Vorrichtung gemäß Fig. 1 mit der Wassereinspeisung;
- Fig. 4
- schematisch eine Düse zur Erzeugung einer Wasserströmung in einstellbarer Richtung;
- Fig. 5
- schematisch Einrichtungen zum Zuführen eines mit einem Dekor beschichteten Films zum Wasserbecken;
- Fig. 6
- schematisch den zu dekorierenden Gegenstand mit auf der Wasseroberfläche schwimmendem Film mit Dekor; und
- Fig. 7
- schematisch die Bestrahlung eines Gegenstandes, auf den ein Dekor aus Dispersionsfarbstoffen übertragen ist, mit IR-Laserstrahlung.
nacheinander bestrahlt werden und die Diffusion der Farbstoff-Moleküle in das Material bewirkt wird. Durch diese Technik kann (muß aber nicht) auf ein anschließendes Lackieren des farbig dekorierten Gegenstandes verzichtet werden.
Claims (4)
- Verfahren zum Aufbringen eines farbigen Dekors (51) auf einen Gegenstand (40), bei dem das Dekor auf einem abstützenden Film (50) auf der Oberfläche einer Flüssigkeit angeordnet und der Gegenstand zumindest teilweise in die Flüssigkeit eingetaucht wird, um das Dekor auf den Gegenstand zu übertragen,
dadurch gekennzeichnet, daß
das Dekor (51) sublimierbare Dispersionsfarbstoffe aufweist, und
der Gegenstand (40) zur Förderung der Diffusion von Farbstoffmolekülen in den Gegenstand (40) mittels Infrarotstrahlung erwärmt wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Gegenstand (40) zumindest an seiner Oberfläche aus einem Material besteht, in das die Dispersionsfarbe diffundieren kann.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß das genannte Material ein Kunststoff ist.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Erwärmung mit Laser-IR-Strahlung erfolgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19754636 | 1997-12-09 | ||
DE19754636A DE19754636A1 (de) | 1997-12-09 | 1997-12-09 | Verfahren zum Aufbringen eines farbigen Dekors aus sublimierbaren Dispersionsfarben |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0922588A2 EP0922588A2 (de) | 1999-06-16 |
EP0922588A3 EP0922588A3 (de) | 2002-06-05 |
EP0922588B1 true EP0922588B1 (de) | 2004-07-14 |
Family
ID=7851268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98123021A Expired - Lifetime EP0922588B1 (de) | 1997-12-09 | 1998-12-07 | Verfahren zum Aufbringen eines farbigen Dekors aus sublimierbaren Dispersionsfarben |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0922588B1 (de) |
DE (2) | DE19754636A1 (de) |
ES (1) | ES2222548T3 (de) |
Cited By (1)
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 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1658905A1 (de) | 2004-11-22 | 2006-05-24 | DeMaxZ AG | Verfahren und Vorrichtung zum Anbringen von einer Dekorschicht auf ein Objekt |
EP2048001A1 (de) | 2007-10-11 | 2009-04-15 | DeMaxZ AG | Aufbringung eines Dekors auf einen Gegenstand mit einer Klebefolie, auf welche zuvor das Dekor im Release-Verfahren aufgebracht ist |
Family Cites Families (5)
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 |
JPS5931185A (ja) * | 1982-08-17 | 1984-02-20 | Kiyuubitsuku Eng:Kk | 印刷方法 |
ES2036071T3 (es) * | 1990-05-08 | 1993-05-01 | Polytrend Gesellschaft Fur Polymere Werkstoffe & Oberflachentechnik Mbh | Procedimiento y dispositivo para la transferencia de un dibujo de colores sobre un substrato de plastico o un substrato de plastico decorado. |
DE19719342A1 (de) * | 1997-05-07 | 1998-11-12 | Mze Engineering Fuer Verfahren | Verfahren zum Aufbringen eines Überzugs aus zumindest zwei durch Strahlung vernetz- und härtbaren Schichten auf eine Keramikfliese |
-
1997
- 1997-12-09 DE DE19754636A patent/DE19754636A1/de not_active Ceased
-
1998
- 1998-12-07 ES ES98123021T patent/ES2222548T3/es not_active Expired - Lifetime
- 1998-12-07 DE DE59811670T patent/DE59811670D1/de not_active Expired - Fee Related
- 1998-12-07 EP EP98123021A patent/EP0922588B1/de not_active Expired - Lifetime
Cited By (1)
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 |
Also Published As
Publication number | Publication date |
---|---|
DE59811670D1 (de) | 2004-08-19 |
EP0922588A2 (de) | 1999-06-16 |
ES2222548T3 (es) | 2005-02-01 |
DE19754636A1 (de) | 1999-06-10 |
EP0922588A3 (de) | 2002-06-05 |
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