WO2005075196A2 - Method for preparation of a printable support usable for the decoration of three-dimensional manufactured articles and in particular on extruded aluminum section bars, and support - Google Patents
Method for preparation of a printable support usable for the decoration of three-dimensional manufactured articles and in particular on extruded aluminum section bars, and support Download PDFInfo
- Publication number
- WO2005075196A2 WO2005075196A2 PCT/EP2005/000645 EP2005000645W WO2005075196A2 WO 2005075196 A2 WO2005075196 A2 WO 2005075196A2 EP 2005000645 W EP2005000645 W EP 2005000645W WO 2005075196 A2 WO2005075196 A2 WO 2005075196A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- accordance
- sheet
- swelling
- resin
- layer
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B41M5/0351—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 on anodized aluminium
-
- 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
- B41M5/0355—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 macromolecular coating or impregnation used to obtain dye receptive properties
-
- 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
- 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
- B44C1/1733—Decalcomanias applied under pressure only, e.g. provided with a pressure sensitive adhesive
- B44C1/1737—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff on a substrate unsuitable for direct deposition
Definitions
- the present invention relates to the deposit of a swelling resin on a film of paper or plastic or multilayer material. In this manner a film is obtained that, when used in normal decorating machines by means of sublimating, allows decoration of extruded aluminum section bars on all four faces. It also facilitates the use of completely automated systems .
- the metal section bars are painted with a powder or liquid undercoat with a coloring similar to the wood it is desired to obtain and the undercoat of paint is baked obtaining complete polymerization.
- section bars are enveloped using automatic or non-automatic systems in accordance with the prior art.
- the section bars thus enveloped are positioned on carts equipped with sucking collets and the film adheres to the surface of the section bar in a random manner due to the vacuum effect.
- the workers reposition the film manually so as to make it adhere to the entire surface of the section bar it is desired to decorate. At the points where the film does not adhere to the section bar surface, decoration is not achieved.
- the section bars are placed in the oven where, upon reaching the sublimation temperature, the design is transferred from the film to the base paint only at the points where there is close contact between the film and the paint.
- the general purpose of the present invention is to obtain an aesthetic result equal to or even better than that of the prior art described above with reduced or no use of labor for repositioning the film on the section bar and with considerable reduction of production costs.
- a multilayer sheet for printing of surfaces of section bars by means of sublimating inks including a first layer of support film on which is deposited a layer of swelling resin with sublimating inks .
- FIG 1 shows a diagrammatic view of first embodiment of a sublimation-printing sheet realized in accordance with the present invention
- FIG 2 shows a first step of application of the sheet of
- FIG 1; FIG 3 shows a second step of application of the sheet of
- FIG 1 The first figure.
- FIG 4 shows a diagrammatic view of a second embodiment of a sublimation-printing sheet realized in accordance with the present invention.
- Film production in accordance with the present invention takes place in the following manner:
- the present invention through swelling resins, allows obtaining contact even without manual repositioning of the film on the article.
- FIG 1 shows a printing film including plastic or paper film 1, a known swelling resin 2, the sublimating inks 3, and possibly known protective and detaching materials 4.
- the swelling resin can be of known type including microcapsules that swell with heat and are mixed with a resin support.
- FIG 4 shows a variant of the sheet in which a barrier layer 17 designed to prevent inks being absorbed and spread by the swelling resins is placed between the swelling resins 12 on the support film 11 and the sublimating inks 13.
- Said barrier layer can advantageously be obtained by a known metallization process (for example vacuum) before application of the ink.
- the barrier layer can be formed of a second layer of plastic film or support paper so as to create a swelling sandwich on which to deposit the sublimating inks subsequently. It is now clear that the preset purposes have been achieved. With the solution in accordance with the present invention it is possible to obtain better adhesion of the inks to a 3-dimensional surface and in particular on extruded aluminum section bars .
- the inks can even by mixed directly with the swelling resin so as to be able to apply resin and ink on the support film in a single step.
- the resin can also be deposited in several coats to obtain a smoother and more easily printable surface.
- various quantities of swelling resin can be deposited depending on the swelling desired.
Landscapes
- Laminated Bodies (AREA)
- Printing Methods (AREA)
Abstract
A multilayer sheet for printing of surfaces of section bars by means of sublimating inks includes a first layer of support film (1) on which is deposited a layer of swelling resin (2) with sublimating inks (3). A method for printing of section-bar surfaces by means of a sheet covered with sublimating inks includes the steps of realizing a multilayer printing sheet including a first layer of support film on which is placed a layer of swelling resin with sublimating inks, wrapping with the printing sheet the surface to be printed, heating the printing sheet to a first resin-swelling temperature, and then heating to a second temperature, higher than the first, for sublimation of the inks for their transfer onto the surface to be printed.
Description
"METHOD FOR PREPARATION OF A PRINTABLE SUPPORT USABLE FOR THE DECORATION OF THREE-DIMENSIONAL MANUFACTURED ARTICLES AND IN PARTICULAR ON EXTRUDED ALUMINUM SECTION BARS, AND SUPPORT"
The present invention relates to the deposit of a swelling resin on a film of paper or plastic or multilayer material. In this manner a film is obtained that, when used in normal decorating machines by means of sublimating, allows decoration of extruded aluminum section bars on all four faces. It also facilitates the use of completely automated systems .
The present technique of decoration of aluminum section bars with sublimating film and paper is done basically in the following manner.
After a chemical or electrochemical pretreatment the metal section bars are painted with a powder or liquid undercoat with a coloring similar to the wood it is desired to obtain and the undercoat of paint is baked obtaining complete polymerization.
In a second step the section bars are enveloped using automatic or non-automatic systems in accordance with the prior art. The section bars thus enveloped are positioned on carts equipped with sucking collets and the film adheres to the surface of the section bar in a random manner due to the vacuum effect. The workers reposition the film manually so as to make it adhere to the entire surface of the section bar it is desired to decorate. At the points where the film does not adhere to the section bar surface,
decoration is not achieved.
The section bars are placed in the oven where, upon reaching the sublimation temperature, the design is transferred from the film to the base paint only at the points where there is close contact between the film and the paint.
The general purpose of the present invention is to obtain an aesthetic result equal to or even better than that of the prior art described above with reduced or no use of labor for repositioning the film on the section bar and with considerable reduction of production costs.
In known systems of decoration of two section bars per minute and having a length of seven meters, approximately ten persons are employed. With the present invention that allows the use of an automatic machine, only two persons are required.
In view of this purpose it was sought to provide in accordance with the present invention a multilayer sheet for printing of surfaces of section bars by means of sublimating inks including a first layer of support film on which is deposited a layer of swelling resin with sublimating inks .
Again in accordance with the present invention it was sought to realize a method for printing of section-bar surfaces by means of a sheet covered with sublimating inks and including the steps of realizing a multilayer printing sheet including a first layer of support film on which is placed a layer of swelling resin with sublimating inks, wrapping the surface to be printed with the printing sheet, and heating the printing sheet to a first resin-swelling
temperature and then heating to a second temperature, higher than the first, of sublimation of the inks for their transfer onto the surface to be printed.
To clarify the explanation of the innovative principles of the present invention and its advantages compared with the prior art there is described below with the aid of the annexed drawings possible embodiments thereof by way of non-limiting examples applying said principles. In the drawings : FIG 1 shows a diagrammatic view of first embodiment of a sublimation-printing sheet realized in accordance with the present invention;
FIG 2 shows a first step of application of the sheet of
FIG 1; FIG 3 shows a second step of application of the sheet of
FIG 1; and
FIG 4 shows a diagrammatic view of a second embodiment of a sublimation-printing sheet realized in accordance with the present invention. Film production in accordance with the present invention takes place in the following manner:
- Pretreatment (optional) of the plastic film by the prior art with crown effect to improve the soaking of the support to be printed; - Deposit by printing of a first layer of known swelling resins possibly mixed with known products having a barrier effect against the inks; the swelling resins can be formed from a preparation of thermoplastic resins with the addition of known swelling microcapsules;
- Deposit by printing of the sublimating inks over the mixture previously applied;
- Deposit (possible) by printing of a protective and detaching product; and - Rewinding of the printed matter in spools with commercial format . The particular nature of the product obtained is the following. As known, the sublimation process takes place by the physical process of pressure, temperature and contact between the printed support and the article to be decorated.
The present invention, through swelling resins, allows obtaining contact even without manual repositioning of the film on the article.
FIG 1 shows a printing film including plastic or paper film 1, a known swelling resin 2, the sublimating inks 3, and possibly known protective and detaching materials 4. The swelling resin can be of known type including microcapsules that swell with heat and are mixed with a resin support.
As may be seen in FIG 2, once the pin 6 (in particular a section bar) to be decorated is wrapped, when the suction operation takes place between film and section bar, at some points (corners or recesses) a small distance 5 remains between the film 1 and the surface of the part 6. Upon reaching a swelling temperature (less than the sublimation temperature and advantageously between 100 °C and 210°C and preferably approximately 150 °C) (see FIG 3) the swelling
resins 2 in increasing their volume close the space remaining between the two surfaces so that at the sublimating temperature of approximately 150°C to 200°C, there being intimate contact, the sublimating inks pass from the sheet to the paint of the section bar to realize transfer of the design.
Heating for activation of the swelling resin can take place by various prior art methods. A preferred system is by means of placing in a normal or microwave oven. In the resin there can also be mixed known UV activating compounds such as those used in paints with UV baking. In this manner the swelling resin can be rapidly heated by exposure to the UN. FIG 4 shows a variant of the sheet in which a barrier layer 17 designed to prevent inks being absorbed and spread by the swelling resins is placed between the swelling resins 12 on the support film 11 and the sublimating inks 13. Said barrier layer can advantageously be obtained by a known metallization process (for example vacuum) before application of the ink. Again advantageously, the barrier layer can be formed of a second layer of plastic film or support paper so as to create a swelling sandwich on which to deposit the sublimating inks subsequently. It is now clear that the preset purposes have been achieved. With the solution in accordance with the present invention it is possible to obtain better adhesion of the inks to a 3-dimensional surface and in particular on extruded aluminum section bars .
Naturally the above description of an embodiment applying the innovative principles of the present invention is given
by way of non-limiting example of said principles within the scope of the exclusive right claimed here. For example, the inks can even by mixed directly with the swelling resin so as to be able to apply resin and ink on the support film in a single step. The resin can also be deposited in several coats to obtain a smoother and more easily printable surface. Lastly, various quantities of swelling resin can be deposited depending on the swelling desired.
Claims
1. Sheet for the printing of surfaces of an object by means of sublimating inks including a first layer of support film on which is placed a layer of swelling resin with sublimating inks .
2. Sheet in accordance with claim 1 characterized in that on the film there is a first layer of swelling resin over which there is a second layer of sublimating inks .
3. Sheet in accordance with claim 1 characterized in that the swelling resin is mixed with the sublimating inks.
4. Sheet in accordance with claim 1 characterized in that the swelling resin is activated by heat at a temperature between 100°C and 210°C.
5. Sheet in accordance with claim 1 characterized in that the sublimating inks are activated by heat at a temperature between 150°C and 200°C.
6. Sheet in accordance with claim 1 characterized in that the swelling resin is activated by heating with the application of microwaves .
7. Sheet in accordance with claim 1 characterized in that the swelling resin contains UV to be activated by heating with exposure to UV.
8. Sheet in accordance with claim 1 characterized in that the swelling resin has a swelling temperature less than the ink sublimation temperature.
9. Sheet in accordance with claim 1 characterized in that the swelling resin is applied in several layers.
10. Sheet in accordance with claim 1 characterized in that the swelling resin is applied in variable quantities depending on the desired swelling.
11. Sheet in accordance with claim 1 characterized in that between the resin and the sublimating inks there is a barrier layer against passage of the inks towards the resin.
12. Sheet in accordance with claim 11 characterized in that the barrier layer is formed by metallization.
13. Sheet in accordance with claim 11 characterized in that the barrier layer is formed by a second layer of support film so as to create a swelling sandwich on which the sublimating inks are deposited.
14. Sheet in accordance with claim 1 characterized in that the support film is plastic or paper material.
15. Sheet in accordance with claim 1 characterized in that there is a protective-detaching layer over the layer of swelling resin of sublimating inks.
16. Method for printing surfaces of a section bar by means of a sheet covered with sublimating inks including the steps of realizing a multilayer printing sheet including a first layer of support film on which is placed a layer of swelling resin with sublimating inks, wrapping the surface to be printed with the printing sheet, heating the printing sheet to a first resin swelling temperature and then heating to a second temperature, higher than the first, for sublimation of the inks for their transfer onto the surface to be printed.
17. Method in accordance with claim 16 in which is deposited a first layer of swelling resin over which a second layer of sublimating inks is placed.
18. Method in accordance with claim 17 in which the swelling resin is mixed with the sublimating inks.
19. Method in accordance with claim 16 in which after wrapping of the surface to be printed with the sheet the swelling resin is activated by heating to a temperature between 100°C and 210°C.
20. Method in accordance with claim 16 in which after swelling of the resin the sublimating inks are activated by heating to a temperature between 150 °C and 200 °C.
21. Method in accordance with claim 16 in which the swelling resin is activated by heating with the application of microwaves .
22. Method in accordance with claim 16 in which UV activators to be activated by heating with UV exposure are mixed with the swelling resin.
23. Method in accordance with claim 16 in which the swelling resin is applied in several layers .
24. Method in accordance with claim 16 in which the swelling resin is applied in variable quantities depending on the desired swelling.
25. Method in accordance with claim 16 in which a barrier layer against passage of the inks towards the resin is placed between the resin and the sublimating inks.
26. Method in accordance with claim 24 in which the barrier layer is formed by application of metallization.
27. Method in accordance with claim 24 in which the barrier layer is formed by application of a second layer of support film so as to create a swelling sandwich on which the sublimating inks are deposited.
28. Method in accordance with claim 16 in which a protective-detaching layer is deposited over the swelling resin layer of sublimating inks .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI2004A000134 | 2004-01-29 | ||
| IT000134A ITMI20040134A1 (en) | 2004-01-29 | 2004-01-29 | DEPOSIT THROUGH PRINTING OF A SWELLING RESIN MIXED TO SUBLIMATIC INKS ON A FILM OF PLASTIC OR PAPER MATERIAL IN ORDER TO OBTAIN A BETTER ADHESION TO A THREE-DIMENSIONAL SURFACE, IN PARTICULAR ON EXTRUDED ALUMINUM PROFILES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2005075196A2 true WO2005075196A2 (en) | 2005-08-18 |
| WO2005075196A3 WO2005075196A3 (en) | 2006-03-02 |
Family
ID=34835571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2005/000645 WO2005075196A2 (en) | 2004-01-29 | 2005-01-24 | Method for preparation of a printable support usable for the decoration of three-dimensional manufactured articles and in particular on extruded aluminum section bars, and support |
Country Status (2)
| Country | Link |
|---|---|
| IT (1) | ITMI20040134A1 (en) |
| WO (1) | WO2005075196A2 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484342A (en) * | 1963-01-18 | 1969-12-16 | Martin Marietta Corp | Printing on anodized aluminum |
| GB1449974A (en) * | 1974-04-25 | 1976-09-15 | Purser T B | Printing on anodized aluminium |
| GB1600115A (en) * | 1976-06-28 | 1981-10-14 | Bemrsoe Spendon Ltd | Processes for applying designs to aluminium strip |
| DE2814801C3 (en) * | 1977-09-09 | 1982-12-23 | Schweizerische Aluminium AG, 3965 Chippis | Auxiliary carrier for thermal transfer printing |
| JPS5649295A (en) * | 1979-09-29 | 1981-05-02 | Shigehiro Okada | Transferring paper for anodized aluminum and transferred printing for anodized aluminum |
| FR2470007A1 (en) * | 1979-11-27 | 1981-05-29 | Metalloxyd Gmbh | Transfer printing of anodised aluminium - with rapid cooling of printed anodised layer to prevent loss of sublimable printing material |
-
2004
- 2004-01-29 IT IT000134A patent/ITMI20040134A1/en unknown
-
2005
- 2005-01-24 WO PCT/EP2005/000645 patent/WO2005075196A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20040134A1 (en) | 2004-04-29 |
| WO2005075196A3 (en) | 2006-03-02 |
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