GB1568563A - Hot-stamping film and process for its manufacture - Google Patents
Hot-stamping film and process for its manufacture Download PDFInfo
- Publication number
- GB1568563A GB1568563A GB3876577A GB3876577A GB1568563A GB 1568563 A GB1568563 A GB 1568563A GB 3876577 A GB3876577 A GB 3876577A GB 3876577 A GB3876577 A GB 3876577A GB 1568563 A GB1568563 A GB 1568563A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- film
- lacquer
- stamping
- hot
- 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.)
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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
- B44C1/1729—Hot stamping techniques
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
- B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated substantially flat surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/24—Inking and printing with a printer's forme combined with embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F7/00—Designs imitating three-dimensional effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Duplication Or Marking (AREA)
- Laminated Bodies (AREA)
Description
(54) HOT-STAMPING FILM, AND PROCESS
FOR ITS MANUFACTURE
(71) We, DR. HERBERT KURZ,
WALTER KURZ and PETER KURZ, t/a
LEONHARD KURZ, all citizens of the
Federal Republic of Germany, of
Schwabacher Strasse 482, D-8510 Furth (Bavaria), Federal Republic of Germany, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement:- The invention relates to hot-stamping films, and to a process for their manufacture.
It is frequently desired to provide hotstamping films and decorative designs. In general this is achieved by carrying out a corresponding imprint. However, by employing this procedure the scope of the design which can be achieved is limited.
It is also already known to achieve decorative effects by roughening the surface of the carrier film adjacent the covering lacquer, for example by brushing or in some other way. This results in the surface of the hot-stamping films appearing matt-finished after the carrier film has been peeled off, after application of the hot-stamping film to the appropriate object. However, it is virtually impossible, or only possible with difficulty, to achieve special decorative effects in addition to the matt-finish in this manner.
Finally, it is already known, particularly in connection with the manufacture of hotstamping films simulating a wood surface, to provide regions of different gloss on the surface, for example by corresponding printing with matt lacquer.The lacquer producing the matt finish usually remains on the carrier film when the latter is peeled off, during the stamping procedure, from the covering lacquer layer which remains on the object to be decorated. This procedure has the disadvantage that considerable difficulties can arise on printing, unless provision is made in some way for exact matching of the multiple printing, and this requires a correspondingly large expenditure to be successful. Furthermore, the surface of the stamping film is uneven after the carrier film with the lacquer producing the matt finish has been peeled off.
To eliminate the difficulties on printing, proposals have also been made in the past to produce the matt-finished regions by using a special swelling lacquer, so that the register problems can be eliminated. This procedure, however, is disadvantageous because the matt-finish is not sufficiently resistant to mechanical stress. In particular, by polishing the matt-finished regions the desired effect is at least partially destroyed.
It has now been found that a hot-stamping film with novel and characteristic decorative effects can be manufactured without large additional expenditure, care also being taken to ensure that the stamping film is resistant in use, in particular to mechanical actions. This has been achieved by designing a hot-stamping film such that the covering lacquer layer is transparent and is provided with a three-dimensional pattern on its surface facing away from the carrier film.
Accordingly, the present invention provides a hot-stamping film comprising a carrier film, a transparent covering lacquer layer which is provided on its surface facing away from said carrier film, with a threedimensional pattern, and an adhesive layer on the said surface, optionally with a release layer between the carrier film and the covering lacquer layer to facilitate the separation thereof and optionally with an adhesion-promoter layer between the surface of the lacquer layer provided with a three-dimensional pattern and the adhesive layer to promote the adherence of the said adhesive layer to the said surface.
The invention further provides a process for the manufacture of such hot-stamping films which comprises applying a transparent covering lacquer layer to a carrier film or, if appropriate, to a release layer which has previously been provided on one face of the carrier film to facilitate the separation of the carrier film and the lacquer layer, forming a three-dimensional pattern on the surface of the covering lacquer layer facing away from the carrier film in a stamping operation by means of a roller carrying a complementary pattern, and subsequently applying to the surface of the resultant film provided with the threedimensional pattern an adhesive layer optionally preceded by an adhesion promoter layer to promote adhesion of the adhesive layer to the said surface.
The basic concept of the invention is that the surface of the hot-stamping film, which before stamping is adjacent to the carrier film and is exposed when in use is made smooth so that no mechanical action can have a significant influence on the properties of the film, and instead the unexposed other surface of the covering lacquer layer, which consequently cannot be subjected to such mechanical actions, is provided with a three-dimensional pattern of such a depth that the surface of the stamping film, which as mentioned above is exposed when in use, also appears to be patterned due to the resulting different reflection or refraction of light. The three dimensional pattern, which can be produced by stamping or calendering, on the inside of the covering lacquer layer can be of any desired design. For example, it is possible to provide a pattern which is known from metal sheets or the like as "engine turn". This pattern comprises regions which are each circular and closely adiacent to one another and which are formed by mutually concentric angular grooves and angular ribs. This gives the impression that the entire surface has been worked point-bypoint with a rotary brush. Of course, other types of pattern can also be provided. For example, the three dimensional pattern on the protected surface of the covering lacquer layer could be an imitation of the grain of wood. In this case, the use of different colours could even be dispensed with under certain circumstances since the different reflection of light also causes differences in brightness.
Particularly interesting optical effects can be achieved when a metal layer of substantially uniform thickness is applied to the surface, carrying the three dimensional pattern, of the covering lacquer layer. It is preferable for the metal layer to be vapourdeposited. If a metal layer is present, the effect of the reflection at different angies is particularly noticeable.
Another possibility for the manufacture of a stamping film of the present invention is to provide a layer of a pigmented lacquer between the surface carrying the three dimensional pattern of the transparent covering lacquer layer and the adhesive layer or, if present, the adhesion-promoter layer. Such a procedure would be suitable, for example, for the manufacture of a hotstamping film which possesses a wood-like pattern.
It has been found that the transparent covering lacquer layer provided with the three dimensional pattern should have a thickness of from 1.5 to 3 y. The depth of the three dimensional pattern can then be about 1 ,u. If a metal layer is present, its thickness should be about 500 A. If a layer of a pigmented lacquer is provided instead of the metal layer, the former should preferably have a thickness of from 2 to 4
The three dimensional pattern can e applied particularly simply if the transparent covering lacquer layer is formed by a lacquer which is thermoplastic at least during the application of the three dimensional pattern.
Preferably, the lacquer forming the covering lacquer layer is curable.
The hot-stamping film of the invention preferably is manufactured by adapting a known process for applying the various layers to the carrier film. As described above, in the process of the present invention the transparent covering lacquer layer applied to the carrier film is provided, in a stamping operation, with the desired three dimensional pattern on its surface, facing away from the carrier film, by means of a roller carrying a complementary pattern. This step is carried out before the adhesive layer and, if appropriate, a further lacquer layer or the adhesion promoter are applied. The stamping operation can be included without difficulty in the conventional process of manufacture of a hot-stamping film, without thereby substantially extending the time required to manufacture the film.
When manufacturing hot-stamping films having a metal layer, it is possible, according to the invention, to proceed by first applying the metal layer-in the customary manner-to the surface of the covering lacquer layer, which faces away from the carrier film and which has not yet been provided with a three dimensional pattern. Subsequently this surface of the covering lacquer layer, together with the metal layer, is subjected to the stamping operation. Of course, such a procedure is only possible if the metal layer is sufficiently elastic. If this is not the case it is more advantageous if this metal layer is vapourdeposited on the surface of the covering lacquer layer which has already been provided with the three dimensional pattern.
To ensure that the three dimensional pattern of the covering lacquer does not disappear in the course of stamping the hotstamping film onto the appropriate object, it is advantageous to use a covering lacquer which is selected in such a way that the roller producing the pattern can be heated during the stamping operation to a temperature to at least 1500C, preferably at least 1700C, but below the decomposition temperature of the film.
The three dimensional pattern can be applied in a particularly simple manner to the carrier film provided with the covering lacquer layer and, if appropriate, the metal layer, in a calender by means of a roller having a correspondingly engraved surface.
The covering lacquer layer and, if appropriate, the pigmented lacquer layer are advantageously applied by screen printing, which in itself is known.
A multiplicity of types of apparatus can conceivably be used for the manufacture of the hot-stamping film of the present invention by the process explained above.
In particular, special apparatus for carrying out the stamping operation can be employed. However, from the point of view of manufacturing technology and taking into account the requisite expenditure of time and construction, it is particularly advantageous to employ a multi-colour printing machine in which either the second printing roller has been replaced by a calender roller, which has an engraved surface and produces the desired three dimensional pattern by stamping, or an additional calender roller with an associated pressure device has been included immediately after the first printing roller.
The present invention will now be described, purely by way of example, with reference to the accompanying drawings, in which:
Figure 1 shows, diagrammatically, a section through a hot-stamping film incorporating a metal layer, the layer thicknesses shown not being to scale;
Figure 2 shows, diagrammatically, a section through a hot-stamping film having a pigmented lacquer layer, the layer thicknesses not being to scale; and
Figure 3 shows, diagrammatically, the components of the apparatus for applying the covering lacquer layer and the three dimensional pattern thereto.
The hot-stamping film illustrated in
Figure 1 has the following 6 layers;
1: carrier film (polyester film of from 19
to 23 p thickness),
2: known release layer, approximately 0.1 p thick,
3: thermoplastic or cold crosslinking
transparent covering lacquer,
approximately 1.5 to 2 ,u thick,
4: metal layer, vapour-deposited or
applied by cathodic evaporation
(aluminium, chromium or the like),
approximately 500 A thick,
5: known adhesion promoter,
approximately 0.3 p thick, and
6: known heat-sealing layer or adhesive
layer, from 1.5 to 2 p thick.
As can be seen clearly in Figure 1, the surface 7, facing the metal layer 4, of the transparent covering lacquer layer 3 is provided with a three dimensional pattern 8, represented diagrammatically in the drawing. In the embodiment shown, this pattern 8 is produced by corresponding calendering of the carrier film 1 provided with the covering lacquer layer 3, and is explained further below. After the three dimensional pattern 8 has been provided on the surface 7 of the covering lacquer layer 3, the metal layer 4 was then applied.
The hot-stamping film shown in Figure 2 possesses a layer of pigmented lacquer in place of the metal layer 4 of the film of
Figure 1. In this way, a different optical
effect can be achieved. Due to the presence of the second lacquer layer, the adhesionpromoter layer aiding the attachment of the heat-sealing layer can be dispensed with. In detail, the hot-stamping film of Figure 2 has the following layers:
11: carrier film (polyester film of from 19
to 23 p thickness),
12: known release layer, approximately 0.1 y thick, thermoplastic or cold crosslinking,
transparent covering lacquer,
approximately 1.5 to 2 p thick,
14: pigmented lacquer layer having a
thickness of approximately 2.5 to 3 p, 15: known heat-sealing layer or adhesive
layer, 1.5 to 2 p thick.
In the hot-stamping film of Figure 2, the surface 17, facing away from the carrier film 11, of the transparent covering lacquer layer
13 is also provided with a three dimensional pattern 18 which again is only shown very diagrammatically. In the film according to
Figure 2, the pattern 18 can be produced by corresponding calendering of the carrier film 11 with the covering lacquer layer 13.
The following Examples illustrate lacquers which can be used in the manufacture of the hot-stamping films of the present invention. Parts and percentages are by weight.
EXAMPLE 1
The lacquer produced from the constituents listed below is a cold crosslinking lacquer which can be used as a transparent lacquer for the layer 3 of the hot-stamping film of Figure 1 or the layer 13 of the hot-stamping film of Figure 2.
parts
Acrylic resin crosslinking with
polyisocyanate approximately 60 ,'n in xylene/butyl acetate 41.4 polyfunctional, aromatic
aliphatic isocyanate,
approximately 60% in ethyl
acetate 12.4 nitrocellulose cotton of low
viscosity, soluble in esters 2.8 20% dispersion of polyethylene
wax in xylene 4.2 matt-finishing agent 1.3 methyl ethyl ketone 13.8 ethyl acetate 10.3 butyl acetate 13.8
100.0 solids content: 37.1%
The lacquer is applied using a No. 40 crossline screen. The dry weight should be at least 2.0 git2. Curing takes place at room temperature over approximately 10 days.
EXAMPLE 2
The lacquer whose constituents are listed below is a thermoplastic lacquer which can be employed as a transparent covering lacquer for the layers 3 (Figure 1) or 13 (Figure 2).
parts
Hard poly-(methyl methacrylate) 13.8 nitrocellulose cotton of low
viscosity, soluble in esters 8.6 20% dispersion of polyethylene
wax in xylene 5.8 matt-finishing agent 1.5 ethyl acetate 30.9 toluene 25.1 butyl acetate 98/100% 14.3
100.0 solids content: 25.1%
The lacquer is applied in a No. 40 crossline screen and dried in air. The dry weight should be at least 1.8 g/m2.
EXAMPLE 3
The lacquer of this Example is a pigmented lacquer which can form the layer
14 of the hot-stamping film illustrated in
Figure 2, that is to say it is applied in place of metal layer. The lacquer can have the following composition: parts Hard polyXmethyl methacrylate),
approximately 40% in MEK 18.3
nitrocellulose cotton of low
viscosity, soluble in ester 7.0 unsaturated polyester resin 5.5 ketone resin, melting point > 150 2.6 pigment 10.0 dispersing auxiliary 0.5 pyrogenic silica 0.7 methyl ethyl ketone 20.5 toluene 15.7 butyl acetate 98/100% 19.2
100.0 solids content: 33.6%
The lacquer is applied with a line screen
and dried in air. The dry weight should be at
least 3 g/m2.
Considering now Figure 3 of the
accompanying drawings, this illustrates the
essential features of the equipment required
to produce the three dimensional pattern 8
in Figure 1, or 18 in Figure 2, on the surface
7 or 17 of the covering lacquer layer 3 or 13.
The application of a thermoplastic lacquer
as the covering lacquer layer 3 or 13 is taken
as the starting point.
In detail, the apparatus illustrated in
Figure 3 comprises a container 21 for thermoplastic lacquer 22. A screen roller 23
which interacts with a rubber pressure
device 24 is immersed into the lacquer 22.
The lacquer film 25 adhering to the rotating screen roller 23 is restricted to a defined layer thickness required by means of a blade 26.
A carrier film 1 or 11 initially passes between the screen roller 23 and the rubber pressure device 24. Customarily the carrier film 1, 11 has already been provided with the release layer 2, 12.
The transparent covering lacquer 3 or 13 is then applied to the carrier film 1, 11 during its passage through the gap between the screen roller 23 and the pressure device 24. The film 27 lacquered in this way then passes to a dryer 32 in which the lacquer is adequately dried or solidified. The film 27 then passes from the dryer 32 to a further pair of rollers which comprise an engraved roller 28 and an associated rubber pressure device 29. The engraved roller 28 is provided with projections 30 which serve to impress the desired pattern 8, 18 on the surface 7, 17 of the covering lacquer layer 3, 13. For example, the engraved roller is a calender roller which is inserted into a multi-colour printing machine and which can be heated. In general, the roller 28 is heated to a temperature of at least 1500C, preferably about 170"C. This temperature is preferable in order to ensure that, during the actual stamping of the hot-stamping film onto an object, the three dimensional pattern 8, 18 is not pressed flat due to renewed softening of the transparent covering lacquer layer 3, 13. If this does in fact occur, the consequence would be that the appearance of the hot-stamping film would change when it is applied to the object, since this operation is also carried out at an elevated temperature. The combination 31 of film and covering lacquer, which leaves the pair of rollers 28, 29 and is provided with the three dimensional pattern, is then processed further in a manner which is customary in the production of hot-stamping films.
If the film shown in Figure 1 is to be manufactured, the metal layer 4 can subsequently be applied to the combination 31 by vapour-deposition or cathodic evaporation. The metallised film is then provided in a known manner with the adhesion promoter 5 and the adhesive layer or heat-sealing layer 6. If, however, the hotstamping film illustrated in Figure 2 is to be produced, the layer 14 of pigmented lacquer is applied to the combination 31 in a further printing process, in a manner similar to that described with reference to Figure 3 for the application of the covering lacquer layer 3, 13. After adequate curing or drying of the lacquer layer 14, an adhesive layer or heatsealing layer 15 is then also applied in this case.
To attach the hot-stamping films of the present invention to a suitable object, the hot-stamping layers having the adhesive layer or heat-sealing layer 6, 15 are placed onto the object and pressed on under the action of heat. As a result, the part of the hot-stamping films, formed by the layers 3 to 6 or 13 to 15, then adheres to the surface of the object. Due to the presence of the release layer 2, 12, the carrier film 1 or 11 can then be detached. The detachment is facilitated by the fact that the release layer 2 or 12, which can, for example, be a wax layer, melts on warming.
Although described above that the metal layer can be applied to the combination 31 of Figure 3, that is to say after the three dimensional pattern has been applied, it would of course also be possible first to metallise the film with the covering lacquer layer (27 in Figure 3) and then to subject it to the stamping operation between the rollers 28 and 29. This mode of operation makes it possible to produce a hot-stamping film possessing different forms of visual appearance.
WHAT WE CLAIM IS:
1. A hot-stamping film comprising a carrier film, a transparent covering lacquer layer which is provided on its surface facing away from said carrier film, with a threedimensional pattern, and an adhesive layer on the said surface.
2. A film according to claim 1 which is also provided with a release layer between the carrier film and the covering lacquer layer to facilitate the separation thereof.
3. A film according to claim 1 or 2 which is also provided with an adhesion-promoter layer between the surface of the lacquer layer provided with a three dimensional pattern and the adhesive layer to promote the adherence of the adhesive layer to the said surface.
4. A film according to claim 1, 2 or 3, in which a metal layer of substantially uniform thickness is provided between the surface of the transparent covering lacquer layer carrying the three-dimensional pattern, and the adhesive layer, or adhesion-promoter layer if present.
5. A film according to claim 4, in which the metal layer is vapour-deposited on the said surface.
6. A film according to claim 4 or 5, in which the metal layer has a thickness of about 500 A.
7. A film according to any of claims 1 to 6, in which a pigmented lacquer layer is provided between the surface of the transparent covering lacquer layer carrying the spatial pattern and the adhesive layer, or adhesionpromoter layer if present.
8. A film according to claim 7, in which the pigmented lacquer layer has a thickness of from 2 to 4 p.
9. A film according to claim 7 or 8, in which the pigmented lacquer is as described in Example 3.
10. A film according to any one of the preceding claims, in which the transparent covering lacquer layer has a thickness of from 1.5 to 3 p.
11. A film according to any one of the preceding claims, in which the transparent covering lacquer layer is formed by a lacquer which is thermoplastic at least during the application of the spatial pattern.
12. A film according to claim 11, in which lacquer is as described in Example 1.
13. A film according to any one of the preceding claims, in which the transparent covering lacquer layer is formed by a curable lacquer.
14. A film according to claim 13, in which the lacquer is as described in Example 2.
15. A film according to claim 4, substantially as hereinbefore described with reference to and as illustrated in Figure 1 of the accompanying drawings.
16. A film according to claim 7, substantially as hereinbefore described with reference to and as illustrated in Figure 2 of the accompanying drawings.
17. A process for the manufacture of a hot-stamping film which comprises applying a transparent covering lacquer layer to a carrier film or, if appropriate, to a release layer which has previously been provided on
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (26)
1. A hot-stamping film comprising a carrier film, a transparent covering lacquer layer which is provided on its surface facing away from said carrier film, with a threedimensional pattern, and an adhesive layer on the said surface.
2. A film according to claim 1 which is also provided with a release layer between the carrier film and the covering lacquer layer to facilitate the separation thereof.
3. A film according to claim 1 or 2 which is also provided with an adhesion-promoter layer between the surface of the lacquer layer provided with a three dimensional pattern and the adhesive layer to promote the adherence of the adhesive layer to the said surface.
4. A film according to claim 1, 2 or 3, in which a metal layer of substantially uniform thickness is provided between the surface of the transparent covering lacquer layer carrying the three-dimensional pattern, and the adhesive layer, or adhesion-promoter layer if present.
5. A film according to claim 4, in which the metal layer is vapour-deposited on the said surface.
6. A film according to claim 4 or 5, in which the metal layer has a thickness of about 500 A.
7. A film according to any of claims 1 to 6, in which a pigmented lacquer layer is provided between the surface of the transparent covering lacquer layer carrying the spatial pattern and the adhesive layer, or adhesionpromoter layer if present.
8. A film according to claim 7, in which the pigmented lacquer layer has a thickness of from 2 to 4 p.
9. A film according to claim 7 or 8, in which the pigmented lacquer is as described in Example 3.
10. A film according to any one of the preceding claims, in which the transparent covering lacquer layer has a thickness of from 1.5 to 3 p.
11. A film according to any one of the preceding claims, in which the transparent covering lacquer layer is formed by a lacquer which is thermoplastic at least during the application of the spatial pattern.
12. A film according to claim 11, in which lacquer is as described in Example 1.
13. A film according to any one of the preceding claims, in which the transparent covering lacquer layer is formed by a curable lacquer.
14. A film according to claim 13, in which the lacquer is as described in Example 2.
15. A film according to claim 4, substantially as hereinbefore described with reference to and as illustrated in Figure 1 of the accompanying drawings.
16. A film according to claim 7, substantially as hereinbefore described with reference to and as illustrated in Figure 2 of the accompanying drawings.
17. A process for the manufacture of a hot-stamping film which comprises applying a transparent covering lacquer layer to a carrier film or, if appropriate, to a release layer which has previously been provided on
one face of the carrier film to facilitate the separation of the carrier film and the lacquer layer, forming a three dimensional pattern on the surface of the covering lacquer layer facing away from the carrier film in a stamping operation by means of a roller carrying a complementary pattern, and subsequently applying to the surface of the resultant film provided with the three dimensional pattern an adhesive layer optionally preceded by an adhesion promoter layer to promote adhesion of the adhesive layer to the said surface.
18. A process according to claim 17, in which a metal layer is applied to the surface of the covering lacquer layer facing away from the carrier film and on which the spatial pattern has not yet been formed, and the resultant film possessing the metal layer is subsequently subjected to the stamping operation.
19. A process according to claim 17, in which a metal layer is applied to the surface of the covering lacquer layer which has been provided with a three dimensional pattern.
20. A process according to claim 19, in which the metal layer is provided by vapourdeposition or cathodic evaporation.
21. A process according to claim 17, in which a pigmented lacquer layer is applied to the surface of the covering lacquer layer which has been provided with a three dimensional pattern.
22. A process according to any one of claims 17 to 21 in which the roller carrying the complementary pattern is heated during the stamping operation to a temperature of at least 150"C, but below the decomposition temperature of the film.
23. A process according to claim 22, in which the temperature is at least 1700C.
24. A process according to any one of claims 17 to 23, in which the three dimensional pattern is provided by means of a roller having a correspondingly engraved surface, in a calender.
25. A process according to any one of claims 17 to 24, in which the covering lacquer layer, and if appropriate, the pigmented lacquer layer, are applied by screen printing.
26. A process according to any one of claims 17 to 25, substantially as hereinbefore described with reference to and as illustrated in Figure 3 of the accompanying drawings.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762649479 DE2649479B2 (en) | 1976-10-29 | 1976-10-29 | Hot stamping foil as well as method and device for their production |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1568563A true GB1568563A (en) | 1980-06-04 |
Family
ID=5991957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3876577A Expired GB1568563A (en) | 1976-10-29 | 1977-09-16 | Hot-stamping film and process for its manufacture |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5356506A (en) |
DE (1) | DE2649479B2 (en) |
GB (1) | GB1568563A (en) |
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WO1983000653A1 (en) * | 1981-08-24 | 1983-03-03 | Solomon, David, Henry | Production of embossed thermoplastic sheets |
FR2535864A1 (en) * | 1982-11-08 | 1984-05-11 | American Bank Note Co | PROCESS FOR REPRODUCING LIGHT DIFFRACTION FIGURES, AND PRODUCTS THUS OBTAINED |
EP0210619A2 (en) * | 1985-07-31 | 1987-02-04 | Leonhard Kurz Gmbh & Co. | Heat-embossable multilayered film, and method of making it |
US4913504A (en) * | 1982-11-08 | 1990-04-03 | American Bank Note Holographics, Inc. | Documents or like articles bearing holograms |
US5393590A (en) * | 1993-07-07 | 1995-02-28 | Minnesota Mining And Manufacturing Company | Hot stamping foil |
EP1304236A1 (en) * | 2001-10-19 | 2003-04-23 | MZE Engineering GmbH | Process for producing a structured varnish layer |
EP1246730B1 (en) * | 1999-11-30 | 2003-09-03 | 3M Innovative Properties Company | Thermal transfer of microstructured layers |
DE102005006074A1 (en) * | 2005-02-10 | 2006-08-17 | Leonhard Kurz Gmbh & Co. Kg | Multilayer film, injection molded article decorated therewith and method of making the decorated injection molded article |
US7192641B2 (en) | 2001-02-28 | 2007-03-20 | Giesecke & Devrient Gmbh | Stamping film, method for the production thereof and for transferring a label from said stamping film to a substrate |
FR2980424A1 (en) * | 2011-09-23 | 2013-03-29 | Peugeot Citroen Automobiles Sa | Plastic protection panel for protecting side door of car, has decorative film whose interior face is equipped with relief model conferring in transparency in surface effect on flexible wall, where interior face of decorative film is coated |
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JPS5949919B2 (en) * | 1979-03-13 | 1984-12-05 | 東洋メタライジング株式会社 | Transfer sheet with pattern |
JPS56154083A (en) * | 1980-04-28 | 1981-11-28 | Nakayama Kagaku Shikoushiyo:Kk | Manufacture of metal leaf film for pressing transfer |
JPS58128025U (en) * | 1982-02-23 | 1983-08-30 | 伊藤 禎美 | decorative sheet |
DE3311407C1 (en) * | 1983-03-29 | 1984-10-31 | Bernhard Schmolke "Die neue Linie", 8501 Ezeldorf | Process for the production of medals |
US4520053A (en) * | 1983-08-10 | 1985-05-28 | Minnesota Mining And Manufacturing Company | Layered composite for applying graphics having areas or both mirror-like metal and patterned appearance |
JPS61190369A (en) * | 1985-02-20 | 1986-08-25 | Toppan Printing Co Ltd | Hologram transferred foil |
DE3511146A1 (en) * | 1985-03-27 | 1986-10-02 | Heinz Deuschle Graphische Werkstätten GmbH, 7320 Göppingen | METHOD AND DEVICE FOR TRANSMITTING OPTICALLY EFFECTIVE PARTS OF A FILM LAYER TO A PRINT |
JPS61273569A (en) * | 1985-05-29 | 1986-12-03 | Toppan Printing Co Ltd | Hologram forming sheet |
JPH0690594B2 (en) * | 1985-08-05 | 1994-11-14 | 大日本印刷株式会社 | Pattern hologram transfer sheet |
JPH0792635B2 (en) * | 1985-11-01 | 1995-10-09 | 大日本印刷株式会社 | Hologram transfer sheet |
DE8616114U1 (en) * | 1986-06-14 | 1986-08-21 | Leonhard Kurz GmbH & Co, 8510 Fürth | Embossing foil, in particular hot stamping foil |
DE3744650A1 (en) * | 1987-12-30 | 1989-07-20 | Matthiesen Geb Sievers Gerda | Holographic impression method |
WO1993024332A1 (en) * | 1992-05-25 | 1993-12-09 | Reserve Bank Of Australia Trading As Note Printing Australia | Applying diffraction gratings to security documents |
DE4313519C2 (en) * | 1993-04-24 | 1996-07-11 | Kurz Leonhard Fa | Hot stamping foil for the production of motor vehicle license plates |
DE4423291A1 (en) * | 1994-07-02 | 1996-01-11 | Kurz Leonhard Fa | Embossing foil, in particular hot stamping foil with decoration or security elements |
KR101337137B1 (en) * | 2011-12-02 | 2013-12-05 | (주)엘지하우시스 | Insert molding film with 3d pattern and method of manufacturing the same |
-
1976
- 1976-10-29 DE DE19762649479 patent/DE2649479B2/en not_active Ceased
-
1977
- 1977-09-16 GB GB3876577A patent/GB1568563A/en not_active Expired
- 1977-10-14 JP JP12295577A patent/JPS5356506A/en active Granted
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983000653A1 (en) * | 1981-08-24 | 1983-03-03 | Solomon, David, Henry | Production of embossed thermoplastic sheets |
US4728377A (en) * | 1982-11-08 | 1988-03-01 | American Bank Note Company | Process for providing holograms on documents or the like |
FR2535864A1 (en) * | 1982-11-08 | 1984-05-11 | American Bank Note Co | PROCESS FOR REPRODUCING LIGHT DIFFRACTION FIGURES, AND PRODUCTS THUS OBTAINED |
US4913504A (en) * | 1982-11-08 | 1990-04-03 | American Bank Note Holographics, Inc. | Documents or like articles bearing holograms |
EP0210619B1 (en) * | 1985-07-31 | 1990-05-23 | Leonhard Kurz Gmbh & Co. | Heat-embossable multilayered film, and method of making it |
DE3527412A1 (en) * | 1985-07-31 | 1987-02-12 | Kurz Leonhard Fa | MULTI-LAYER FILM, ESPECIALLY HOT-IMPRESSION FILM AND METHOD FOR THE PRODUCTION THEREOF |
EP0210619A2 (en) * | 1985-07-31 | 1987-02-04 | Leonhard Kurz Gmbh & Co. | Heat-embossable multilayered film, and method of making it |
US5393590A (en) * | 1993-07-07 | 1995-02-28 | Minnesota Mining And Manufacturing Company | Hot stamping foil |
EP1246730B1 (en) * | 1999-11-30 | 2003-09-03 | 3M Innovative Properties Company | Thermal transfer of microstructured layers |
US7192641B2 (en) | 2001-02-28 | 2007-03-20 | Giesecke & Devrient Gmbh | Stamping film, method for the production thereof and for transferring a label from said stamping film to a substrate |
EP1304236A1 (en) * | 2001-10-19 | 2003-04-23 | MZE Engineering GmbH | Process for producing a structured varnish layer |
DE102005006074A1 (en) * | 2005-02-10 | 2006-08-17 | Leonhard Kurz Gmbh & Co. Kg | Multilayer film, injection molded article decorated therewith and method of making the decorated injection molded article |
DE102005006074B4 (en) * | 2005-02-10 | 2009-12-10 | Leonhard Kurz Gmbh & Co. Kg | Decorated injection molded article and method of making the decorated injection molded article |
FR2980424A1 (en) * | 2011-09-23 | 2013-03-29 | Peugeot Citroen Automobiles Sa | Plastic protection panel for protecting side door of car, has decorative film whose interior face is equipped with relief model conferring in transparency in surface effect on flexible wall, where interior face of decorative film is coated |
Also Published As
Publication number | Publication date |
---|---|
JPS5356506A (en) | 1978-05-23 |
JPS6339436B2 (en) | 1988-08-04 |
DE2649479B2 (en) | 1979-05-31 |
DE2649479A1 (en) | 1978-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19970915 |