GB2331505A - Providing holograms on cans - Google Patents
Providing holograms on cans Download PDFInfo
- Publication number
- GB2331505A GB2331505A GB9724651A GB9724651A GB2331505A GB 2331505 A GB2331505 A GB 2331505A GB 9724651 A GB9724651 A GB 9724651A GB 9724651 A GB9724651 A GB 9724651A GB 2331505 A GB2331505 A GB 2331505A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hologram
- foil
- cans
- sheet
- tinplate
- 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.)
- Withdrawn
Links
- 239000011888 foil Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000005028 tinplate Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/205—Means for the attachment of labels, cards, coupons or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/12—Paint cans; Brush holders; Containers for storing residual paint
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0244—Surface relief holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2250/00—Laminate comprising a hologram layer
- G03H2250/10—Laminate comprising a hologram layer arranged to be transferred onto a carrier body
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2270/00—Substrate bearing the hologram
- G03H2270/10—Composition
- G03H2270/13—Metallic
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
A can, preferably a metal can, is provided with a hologram on its surface as an anti-counterfeiting measure. The hologram is preferably applied by a hot foil blocking process in which a foil 14 carrying a heat-curable adhesive is pressed into contact with the can surface 10. The process can be applied to both metal and plastics cans, and to both a flat can blank 10 as shown and the curved surface of a made-up can. The hologram-bearing foil 14 is of very thin aluminium and is taken from a reel where it was stored on a backing sheet.
Description
2331505 1 CANS AND METHODS OF MANUFACTURE This invention relates to cans,
and to methods for the manufacture of cans. The invention is particularly, but not exclusively, concerned with cans such as are used for holding paint, oil both edible and lubricating, and chemicals.
The increase in recent years of counterfeiting has been a problem in many areas where goods and services are offered to the public. This problem is now of concern to the can industry where for example cans of paint may be offered for sale with the trade dress of the can indicating that the contents are from a particular manufacturer, whereas they are not.
It is a primary object of the present invention to provide a can which incorporates an anticounterfeiting measure. It is a secondary object of the present invention to provide a can which incorporates a special decorative surface effect.
In accordance with one aspect of the invention this is achieved by a can which bears a hologram on its surface.
Preferably, the can is a metal can, for example of tinplate.
In accordance with another aspect of the invention there is provided a method of manufacture of a can which includes the application of a hologram to the surface which is or will be the external surface of the can. Preferably, the application of the hologram is by the use of a hot foil blocking process. This is essentially a labelling process, using a heat-curable adhesive. 30 Holograms are produced by an embossing process using a nickel die. Masters for security holograms are very 2 expensive. UP to 14,000 lines per cm are embossed a few microns into the surface of a very thin aluminium foil. The foil is carried by a backing sheet and can be dispensed, as with labels. The underside of the foil is coated with a heats curable adhesive.
In the application of the hologram to the receiving surface by the hot foil blocking process, the said surface must be hot, for example of the order of 1900C for tinplate, and pressure has to be applied to the foil to press it against the surface. The important parameters are the temperature, the pressure, the pressure time and the adhesive used. These must be balanced to produce a satisfactory end product.
In order that the invention may be more fully understood, reference is made to the accompanying drawing which shows, schematically, the application of a hologram to a can blank.
The drawing illustrates the application of a hologram to a can blank which here is represented as a sheet 10 of tinplate. This is presented to the apparatus as a flat sheet. Below the sheet 10 is a platen 12. The foil bearing the hologram is indicated at 14 and the thickness is exaggerated in the drawing. In practice, the foil 14 is extremely thin. The foil is taken from a reel on which the foil is stored on a backing sheet. The foil is provided with a heat-curable adhesive on its underside and can be peeled from the backing sheet. In order to effect adhesion between the foil 14 and the tinplate 10, the surface of the sheet 10 must be hot, for example of the order of 1900C in the case of tinplate. This can be achieved either by the use of a heated platen 12, or by heating the sheet 10 to the appropriate temperature before it is brought into register with the platen. This can be achieved by passing the sheet through an induction oven for 3 example. Alternatively, one can use a combination of advance heating and heating via the platen.
When the foil 14 bearing the hologram is in register with the tinplate sheet 10, pressure is applied by a pressure pad 16 so that the heatcuring is carried out under pressure. The cycle time for this is approximately 5 or 6 seconds in the case of foil applied to tinplate at a temperature of about 190"C.
one can either carry out the process on an intermittent basis, i.e. by moving the sheet 10 on a "stop-start" basis, using a stationary platen and a vertically displaceable pressure pad 16, or one can alternatively carry out the application process with a continuously moving sheet 10 and by moving the other parts simultaneously with the sheet.
In the application of hologram foils to a rigid substrate such as a sheet 10 of tinplate, it is important that the tinplate surface is flat and that the foil is applied with precision. This is in order to achieve even pressure over the whole surface area of the foil. otherwise, an imperfect product will result.
After the hologram has been applied to the sheet 10, the sheet can then be made up into the can in the conventional way.
Although the present invention is particularly appropriate for use with metal cans, one could use the method described above for the application of holograms to cans made of plastics material. In that case however, a substantially lower temperature would be required, and a suitable adhesive.
Although, as described above, the process of the invention is carried out on a flat material, such as a sheet 10, it is also within the scope of the invention to apply a 4 hol ogram- bearing foil directly to the curved surface of a made-up can. This requires the provision of a suitably surved platen or its equivalent within the can and a pressure pad which has an appropriately curved surface. The process is essentially the same however as described above.
Claims (8)
1. A can which bears a hologram on its surface.
2. A can according to claim 1, in which the can is a 5 metal can.
3. A can as claimed in claim 2, in which the can is of tinplate.
4. A can according to claim 1, 2 or 3, bearing a hologram applied by a hot foil blocking process.
5. A method of manufacture of a can which includes the application of a hologram to the surface which is or will be the external surface of the can.
6. A method according to claim 5, which includes applying the hologram by a hot foil blocking process.
7. A method according to claim 5 or 6, in which a foil bearing the hologram is applied to tinplate at a temperature of the order of 19CC.
8. A method according to any of claims 5 to 7, in which pressure is applied to a foil bearing the hologram for a 0 period of about 5 or 6 seconds.
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9724651A GB2331505A (en) | 1997-11-22 | 1997-11-22 | Providing holograms on cans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9724651A GB2331505A (en) | 1997-11-22 | 1997-11-22 | Providing holograms on cans |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9724651D0 GB9724651D0 (en) | 1998-01-21 |
| GB2331505A true GB2331505A (en) | 1999-05-26 |
Family
ID=10822447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9724651A Withdrawn GB2331505A (en) | 1997-11-22 | 1997-11-22 | Providing holograms on cans |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2331505A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725111A (en) * | 1986-07-29 | 1988-02-16 | American Bank Note Holographics, Inc. | Holograms embossed into metal surfaces |
| US4773718A (en) * | 1986-07-29 | 1988-09-27 | American Bank Note Holographics, Inc. | Holograms embossed into metal surfaces |
| US4900111A (en) * | 1989-02-15 | 1990-02-13 | American Bank Note Holographics, Inc. | Embossed holograms formed on hard metal surfaces |
| GB2237774A (en) * | 1989-08-09 | 1991-05-15 | Dainippon Printing Co Ltd | Hologram forming sheet |
| JPH09212069A (en) * | 1996-02-05 | 1997-08-15 | Toppan Printing Co Ltd | Hologram label and its production |
-
1997
- 1997-11-22 GB GB9724651A patent/GB2331505A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725111A (en) * | 1986-07-29 | 1988-02-16 | American Bank Note Holographics, Inc. | Holograms embossed into metal surfaces |
| US4773718A (en) * | 1986-07-29 | 1988-09-27 | American Bank Note Holographics, Inc. | Holograms embossed into metal surfaces |
| US4900111A (en) * | 1989-02-15 | 1990-02-13 | American Bank Note Holographics, Inc. | Embossed holograms formed on hard metal surfaces |
| GB2237774A (en) * | 1989-08-09 | 1991-05-15 | Dainippon Printing Co Ltd | Hologram forming sheet |
| JPH09212069A (en) * | 1996-02-05 | 1997-08-15 | Toppan Printing Co Ltd | Hologram label and its production |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9724651D0 (en) | 1998-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |