EP1042126A1 - Verfahren und vorrichtung zum auf- und/oder einbringen eines farbdekors auf bzw. in einen gegenstand - Google Patents
Verfahren und vorrichtung zum auf- und/oder einbringen eines farbdekors auf bzw. in einen gegenstandInfo
- Publication number
- EP1042126A1 EP1042126A1 EP99910167A EP99910167A EP1042126A1 EP 1042126 A1 EP1042126 A1 EP 1042126A1 EP 99910167 A EP99910167 A EP 99910167A EP 99910167 A EP99910167 A EP 99910167A EP 1042126 A1 EP1042126 A1 EP 1042126A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- gas jet
- gas
- color
- dye
- 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
Links
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
Definitions
- the invention relates to a method and a device for applying and / or introducing a color decoration onto or into an object, in which a carrier with dye is brought into contact with the object in order to transfer dye from the carrier to the object.
- the invention is based on a prior art as known from EP-A 0 282 859 "Method and device for applying a decoration to an object".
- a color decor made from sublimable dyes is first applied to a support.
- the carrier can e.g. B. consist of paper.
- This color decor is then to be transferred from the carrier to the object to be decorated.
- the object can e.g. B. consist of a suitable plastic or of another material, the z. B. is coated with plastic or paint.
- the carrier is placed over the object and the color decoration is transferred from the carrier to the object by sublimation by increasing the temperature.
- a cloth made of elastic material e.g. silicone
- a vacuum pump creates a vacuum above the table on which the object with the carrier and the drape is placed, which draws the carrier with the drape over it.
- the present invention finds z. B. in this prior art - with or without silicone cloth - application.
- the invention is based on a prior art as described in EP-A 0 573 676 "Use of a carrier with” release "properties for applying lacquer and paint to a substrate”.
- carriers 2
- the "release” property of the wearer means that the decor can be peeled off from the wearer in the manner of a “decal” and can thus be transferred to the object.
- the invention has for its object to improve the methods or devices according to the aforementioned prior art, in particular with regard to the quality of the color decoration.
- the method according to the invention is characterized in claim 1. It provides that the support of the carrier with the color decoration on the object to be decorated is promoted by at least one gas jet.
- This technique can be used in particular both in the sublimation transfer mentioned at the beginning and in the “release” transfer of the color decoration.
- the gas jet causes the entire surface to lie tightly against the object without gas inclusions or other inhomogeneities.
- the gas jet can be guided over the object with a carrier (and possibly the elastic cloth lying thereon) in the manner of a "doctor knife". In doing so, gas inclusions are struck out and a full support of the wearer on the object is guaranteed.
- the gas jet has a dimension in at least one direction that is small compared to the dimension of the object in this direction. It is particularly preferably provided that the gas jet has the shape of a knife and is guided in a linear manner over the carrier or, if appropriate, the cloth lying thereon.
- the linear gas jet preferably has a length that is greater than the width of the object plus the overlapping regions of the carrier or of the cloth.
- the direction of the line of at least one gas jet forms an angle with the direction 3 forms the relative movement between the gas jet and the object, which is different from 0 ° and 90 °.
- a further preferred embodiment of the invention which is used in particular in the use of sublimable dyes for color decoration, provides that the gas jet is heated to a temperature at which it causes or at least promotes that the dye sublimes and thus from the carrier to the object transforms.
- the invention in particular enables a high quality of the colored decoration of the object in the edge area if the gas jet is directed obliquely towards the edge area, wherein it presses the carrier evenly on both sides of the edge.
- an inclination of the jet with respect to the relative movement between the object and the jet is preferably provided such that the regions of the carrier which run towards the gas jet are subjected to preheating.
- the hot air of the gas jet after the impact thus flows "upstream" in relation to the relative movement between the object and the gas jet.
- the gas jet according to the invention can be used with or without the suction effect described above using a vacuum pump.
- the invention also relates to a device with a gas jet which promotes the abutment of the carrier on the object to be decorated.
- the device can preferably have one or more of the features mentioned above or one or more features from the following description of preferred exemplary embodiments of the invention with reference to the drawing. It shows:
- Figure 1 schematically shows a device for applying and / or introducing a color decor on or in an object
- Figure 2 is a plan view of the device of FIG. 1;
- Figure 3 shows schematically a gas jet generator
- Figure 5 shows a modification of the device of FIG. 1 with two gas jets.
- FIG. 1 shows an object 10 to be decorated.
- the object 10 is to be decorated with submersible disperse dyes.
- the article 10 may e.g. B. consist of plastic into which the dye molecules can diffuse.
- the color decor is printed on a carrier 12.
- the carrier 12 is made of paper in the illustrated embodiment. With the printed side down, the carrier 12 is placed over the object 10 as shown in FIG. 1, so that the paper protrudes over the edges.
- the object 10 with the carrier 12 and the cloth 14 lies on a table 16.
- a channel 18 is formed with branches 18a.
- the arrow 22 indicates a connection to a suction pump (not shown), which generates a negative pressure directly above the table top via the channels 18 and the branches 18a, so that the cloth 14 with the underlying carrier 12 is sucked in and pulled over the object 10 . As such, this is described in the above-mentioned prior art.
- a gas jet 20 acts on the cloth 14 and thus presses the carrier 12 against the object 10.
- the gas jet 20 has a line shape with a line width which is very small compared to the dimension of the object 10.
- the elongated one narrow gas jet 20 can e.g. B. have a width of a few millimeters, for. B. a minimum width of about 1 mm and a maximum width of 10 mm or less.
- the gas jet 20 is guided over the object 10 in such a way that it is successively shown in FIGS. B. from left to right 5 strokes the carrier 14 and the underlying object 10.
- the gas jet is guided in such a way that it ensures a clean transfer of the color decoration in the critical edge area of the object. This is explained in more detail below with reference to FIG. 5.
- FIGS. 3 and 4 schematically show an exemplary embodiment of a gas jet generator 24.
- the gas jet generator has a nozzle 28 into which hot air flows in through an inlet 16 in the direction of the arrows.
- a blower (not shown) is arranged in front of the nozzle.
- a heating device for the gas is indicated schematically by reference number 32.
- the hot gas flow passes through the nozzle 28 into a funnel 30 which, according to FIG. 4, tapers to a nozzle 34 with the diameter “D”.
- This structure of the funnel 30 produces a line-shaped gas jet 20 according to FIG. 2.
- the gas flow through the funnel 30 is such that a suitable structure of the funnel 30 and / or special throttles in the funnel result in the hot gas flow exiting through the nozzle 34 total length of the linear gas jet 20 (cf.
- FIG. 2 is at least approximately homogeneous, d. H. the gas jet has at least approximately the same intensity and speed in each surface unit, so that the pressure distribution generated by the gas jet between the carrier and the object is essentially homogeneous over the entire extent of the gas jet.
- the gas jet 20 is heated to a temperature at which it heats the carrier 12 and the color decor printed thereon to such an extent that the desired sublimation of the dye molecules takes place for the purpose of transfer to the object 10.
- a very homogeneous heating is achieved in the effective range of the gas jet and the sublimation can be carried out very effectively in a short time.
- the energy expenditure is considerably reduced in comparison with IR radiators of the prior art.
- the gas jet can be easily controlled in terms of a number of parameters, e.g. B. with regard to the pressure generated on the carrier and / or the temperature of the gas. This allows an 6 ti ale adaptation to the conditions of the object to be printed and the carrier.
- FIG. 5 schematically shows a modification of the exemplary embodiment described above with two gas jets 20a and 20b.
- the table 16 is designed here as a carriage which moves in the direction of the arrow 36 in FIG. 5.
- the two linear gas jets 20a, 20b are stationary.
- the edges of the object 10 are designated in FIG. 5 by the reference symbols 38, 40, 42, 44.
- the two linear gas jets 20a, 20b form with the feed direction 36, ie the direction of the
- the first gas jet 20a obliquely detects the leading edge 42 and the side edge 38 of the object 10, so that the carrier is pressed evenly in the edge area. The inclination has resulted in a particularly high quality color transfer in the edge area.
- the likewise inclined second gas jet 20b detects the leading edge 42 and the other side edge 40 of the object 10.
- the knife-shaped gas jets can also be placed at an angle to the plane of the drawing.
- H the angle between the "knife blade" of the gas jet and the surface of the carrier 12 or cloth 14 is not necessarily equal to 90 °.
- An inclination of the gas jet with respect to the main plane of the carrier 12 has the result that the hot gases flow against the direction of the relative movement 36 and so the carrier 12 is preheated before it enters the effective range of the gas jet. It is understood that air is suitable as a gas.
- the inclination of the gas jets also enables uniform heating, particularly in the edge area.
- the method and apparatus described above can e.g. B. modified so that when using a carrier with "release" properties without silicone cloth 7 is working. In this case, heating of the gas can also be dispensed with in many cases.
Landscapes
- Coloring (AREA)
- Decoration By Transfer Pictures (AREA)
- Treatment Of Fiber Materials (AREA)
- Ink Jet (AREA)
- Eyeglasses (AREA)
- Toys (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19804218A DE19804218A1 (de) | 1998-02-03 | 1998-02-03 | Verfahren und Vorrichtung zum Auf- und/oder Einbringen eines Farbdekors auf bzw. in einen Gegenstand |
DE19804218 | 1998-02-03 | ||
PCT/EP1999/000601 WO1999039915A1 (de) | 1998-02-03 | 1999-01-29 | Verfahren und vorrichtung zum auf- und/oder einbringen eines farbdekors auf bzw. in einen gegenstand |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1042126A1 true EP1042126A1 (de) | 2000-10-11 |
EP1042126B1 EP1042126B1 (de) | 2002-05-22 |
Family
ID=7856519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99910167A Expired - Lifetime EP1042126B1 (de) | 1998-02-03 | 1999-01-29 | Verfahren und vorrichtung zum auf- und/oder einbringen eines farbdekors auf bzw. in einen gegenstand |
Country Status (6)
Country | Link |
---|---|
US (1) | US6656230B1 (de) |
EP (1) | EP1042126B1 (de) |
CA (1) | CA2323963A1 (de) |
DE (2) | DE19804218A1 (de) |
ES (1) | ES2173725T3 (de) |
WO (1) | WO1999039915A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090110947A1 (en) * | 2007-10-31 | 2009-04-30 | Compal Electronics, Inc. | Apparatus and method of decorating a surface of a workpiece and decorated part |
TWI352016B (en) * | 2008-03-20 | 2011-11-11 | Compal Electronics Inc | Pattern transfer mold and pattern transfer method |
GB0818109D0 (en) * | 2008-10-03 | 2008-11-05 | Hoggard Peter J | Sublimation printing |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2837166C3 (de) * | 1978-08-25 | 1981-12-17 | Kleinewefers Gmbh, 4150 Krefeld | Verfahren und Vorrichtung zum kontinuierlichen Transferbedrucken von Textilbahnen |
DE3310432A1 (de) * | 1983-03-23 | 1984-09-27 | Röhm GmbH, 6100 Darmstadt | Transferdruckverfahren |
DE3377781D1 (en) * | 1982-12-01 | 1988-09-29 | Roehm Gmbh | Transfer printing process |
DE3244355A1 (de) * | 1982-12-01 | 1984-06-07 | Röhm GmbH, 6100 Darmstadt | Transferdruckverfahren |
DE3708855C1 (de) | 1987-03-18 | 1988-02-18 | Netzsch Maschinenfabrik | Verfahren und Vorrichtung zum Auftragen eines Dekors auf einen Gegenstand |
DE59209436D1 (de) | 1992-05-19 | 1998-09-03 | Mzi M Zaher Inst Fuer Oberflae | Verwendung eines Trägers mit "release"-Eigenschaft zum Auftragen von Lack und Farbe auf ein Substrat |
EP0839672B1 (de) | 1996-10-31 | 2001-12-19 | Bush Industries, Inc. | Verfahren und Vorrichtung zum Aufbringen eines Dekors auf einen Gegenstand |
-
1998
- 1998-02-03 DE DE19804218A patent/DE19804218A1/de not_active Withdrawn
-
1999
- 1999-01-29 EP EP99910167A patent/EP1042126B1/de not_active Expired - Lifetime
- 1999-01-29 CA CA002323963A patent/CA2323963A1/en not_active Abandoned
- 1999-01-29 DE DE59901490T patent/DE59901490D1/de not_active Expired - Fee Related
- 1999-01-29 US US09/601,546 patent/US6656230B1/en not_active Expired - Fee Related
- 1999-01-29 WO PCT/EP1999/000601 patent/WO1999039915A1/de active IP Right Grant
- 1999-01-29 ES ES99910167T patent/ES2173725T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9939915A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6656230B1 (en) | 2003-12-02 |
CA2323963A1 (en) | 1999-08-12 |
DE19804218A1 (de) | 1999-08-05 |
WO1999039915A1 (de) | 1999-08-12 |
ES2173725T3 (es) | 2002-10-16 |
EP1042126B1 (de) | 2002-05-22 |
DE59901490D1 (de) | 2002-06-27 |
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