JPH1076799A - Precious metal composite plate with pictogram and method of manufacturing the same - Google Patents

Abstract

(57) [Summary] [Problem] To improve the visibility of pictogram parts,
Provided is a precious metal composite plate with pictograms that can enhance luxury, decorative and aesthetic value. SOLUTION: A main structure of a gold card 1 is a blank 5 formed by covering a gold foil 2 with transparent protective films 3 and 4.
And transparent decoration plates 8 and 9 provided on both sides of the blanks 5 with pictograms 17 to 21 composed of opaque portions (pictograms of the transparent decoration plate 9 are not shown), the blanks 5 and the transparent decoration Thin transparent films 6 and 7 interposed between the plates 8 and 9, and components 5, 6, 7, 8,
And a transparent protective film 16 that covers and integrates the entirety of the transparent protective film 9.
On one thin transparent film 6, toner layers 10, 12 are adhered by transfer to portions corresponding to the symbols 17, 18,
Dye layers 11 and 13 are formed on toner layers 10 and 12 by thermocompression.
Is crimped. Thereby, the pattern 1 for the gold leaf 2
The sections 7 and 18 are sharpened, and the visibility is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to souvenirs, gifts,
The present invention relates to a precious metal composite plate with a pictogram mainly composed of a precious metal or a precious metal alloy such as gold, silver, platinum or the like, which can be easily used as a members' card and has a decorative value, and a method for producing the same. .

[0002]

2. Description of the Related Art Heretofore, noble metals such as gold and platinum have been provided with a pattern on the surface by engraving using a mold as seen in coins and medals. By the way, in recent years, with the popularization of precious metals, the handling units of gold, platinum and the like have become smaller, and trading in gram units has been made. However, such a small amount of precious metal, which is pressed into a coin or medal, etc. with a certain thickness, does not look good because of its very small shape, and is not effective as a souvenir or gift. There was a drawback that it was thin.

In view of this, it has been considered that a bulk precious metal is rolled into a thin plate, and the surface of the precious metal thin plate is marked by engraving or the like to provide a decorative pattern or character according to the purpose. In this case, for example, when 1 g of gold is rolled into a thin plate having a thickness of 20 μm, a thin plate having an area about the size of a business card can be obtained. Since letters and the like can be provided, it is also effective as a souvenir or gift.

[0004] However, since the precious metal thin plate is made of a very thin precious metal, it is easily deformed or damaged, and therefore has a disadvantage that it is inconvenient to handle. Also, marking as above,
Since the contents of decorative patterns and characters are different depending on the purpose and use, it is not possible to respond immediately to individual orders, and the cost is high because the lot is small. was there.

Therefore, for example, a noble metal composite plate in which a transparent resin film is laminated on both sides of a thin plate made of a noble metal such as gold, silver, platinum or the like and a noble metal alloy, and a pictogram (picture, character, figure, mark, etc.) are partially used. A noble metal composite plate with pictograms has been proposed in which a transparent resin film represented by a chromatic color is overlapped, and these are laminated with a transparent resin protective film and integrated therewith (for example, see JP-A-2-29327). . This precious metal composite board with pictograms can immediately respond to orders for small lots of these kinds, just by superimposing a transparent resin film created according to individual orders on precious metal thin plates mass-produced in advance, In addition, there is an advantage that cost can be significantly reduced.

On the other hand, a prepaid card (a so-called telephone card) used when using a public telephone or a prepaid card used when using a convenience store or the like is a card with a gold leaf or the like having a gold foil adhered to the surface of the card. There are used as souvenirs and gifts.

[0007]

However, in the above-described noble metal composite plate with pictograms, if the color tone of the thin plate and the color tone of pictograms on the transparent resin film are the same, the distinction between the thin plate and pictograms becomes unclear. There is a problem that the visibility of the pictogram part is reduced. For example, when the thin plate is made of pure gold, the degree of obscurity becomes large when the pictogram is golden, yellow, brown, or the like, and the visibility of the pictogram portion is greatly reduced, resulting in lack of luxury and decorativeness. . On the other hand, in the above-mentioned card with gold foil, there are various problems that the surface of the gold foil is easily damaged because the gold foil portion is exposed, and the mechanical strength is lacking because the entire thickness is thin.

A pictorial symbol consisting of an opaque part is applied to the surface of the noble metal thin plate, and a transparent decorative plate on which a white layer (opaque layer) is printed on a portion corresponding to the pictorial symbol on the back surface is superimposed on the pictorial symbol. There has been proposed a precious metal composite plate with pictograms, which has a certain sharpness. However, the thickness of the white layer formed by printing is too thin,
Because it passes light, depending on the pattern of the transparent decorative board,
Due to the influence of the thin precious metal sheet, the visibility of the pictogram part is not satisfactory.

The present invention has been made in view of the above-mentioned problems of the prior art, and has a pictogram-equipped noble metal composite plate capable of improving the visibility of a pictogram portion and enhancing the sense of quality, decorativeness, and aesthetic value. And a method for producing the same.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a transparent decorative plate on at least one surface of a noble metal composite plate obtained by coating a noble metal thin plate made of a noble metal or a noble metal alloy with a transparent protective film. In the noble metal composite plate with pictograms which are superimposed and entirely covered with a transparent protective film, a thin transparent film is further inserted between the noble metal composite plate and the transparent decorative plate, and the transparent decorative film of the thin transparent film is A white or colored opaque layer is provided on a portion of the plate corresponding to a desired pictogram.

Further, the white or colored opaque layer comprises:
The transparent decorative plate is provided at a portion corresponding to almost the entire area except the outer peripheral portion. Further, the white or colored opaque layer is formed by bonding a dye layer via a toner layer.

The method for producing a precious metal composite plate with pictograms of the present invention is to produce a precious metal composite plate in which a noble metal thin plate made of a precious metal or an alloy of a precious metal is covered with a transparent protective film, and a desired pictogram of a transparent decorative plate is formed. Is transferred to a thin transparent film, and the toner is adhered to the pictogram portion. Then, a white or colored opaque color transfer film is thermocompressed on the surface of the thin transparent film to which the toner is adhered, and the toner is adhered to the toner. The dye of the color transfer film is adhered, and the thin transparent film is superimposed on at least one surface of the noble metal composite plate on the surface opposite to the surface to which the dye is adhered. After the decorative plates are stacked, the whole is covered with a transparent protective film.

[0013] In the precious metal composite plate with pictograms according to claim 1 or 2, the color tone of the precious metal thin plate and the pictogram (picture,
Even when the color tone of characters, figures, marks, etc.) is the same, the white or colored opaque layer makes the distinction between the precious metal thin plate and the pictogram clear, and the visibility of the pictogram portion is improved.
Thereby, the appearance of the pictogram portion is improved, and a sense of quality is obtained. In addition, by covering the noble metal sheet with a transparent protective film, the transparent protective film reinforces the noble metal sheet and prevents mechanical wear, deformation, breakage, and chemical deterioration thereof. Furthermore, by covering the noble metal composite plate with a transparent protective film,
The transparent protective film reinforces the precious metal thin plate and the transparent decorative plate, and prevents mechanical wear, deformation, breakage, and chemical deterioration thereof, and furthermore, the handling is simplified,
Possession and storage are also extremely easy.

According to the third aspect of the present invention, as the white or colored opaque layer, a layer in which a dye layer is adhered to a toner layer can be used. According to the method for manufacturing a noble metal composite plate with a pictogram according to the fourth aspect, it is possible to easily manufacture a noble metal composite plate with a pictogram in which the dye layer is not likely to be separated from the toner layer.

[0015]

Next, an embodiment of the present invention will be described. FIG. 1A is a schematic perspective view of one embodiment of a precious metal composite plate with pictograms of the present invention, and FIG.
FIG. 3A is a sectional view taken along line AA of FIG.

As shown in FIG. 1, the main structure of a gold card 1 as a noble metal composite plate with pictograms according to the present invention is a noble metal composite material in which a noble metal thin plate (gold foil) 2 is covered with transparent protective films 3 and 4. (Blanks) 5 and transparent decorative plates 8 and 9 provided with pictographs (including patterns, characters, landscapes, pictures, etc.) 17 to 21 provided on both sides of the blanks 5 and comprising opaque portions The pictographs on one of the transparent decorative plates 9 are not shown), and the thin transparent films 6, 7 for improving the visibility of the designs 17, 18 are interposed between the blanks 5 and the transparent decorative plates 8, 9, respectively. , Each component 5,
Transparent protective film 1 that covers and integrates the whole of 6, 7, 8, 9
And 6.

The gold foil 2 as a noble metal sheet has a purity of 99.
9% or more of a lump of gold material is repeatedly rolled to a thickness of 0.005 to 0.3 mm (5 to 300 μm) and cut into a business card size with a weight of 1 g. is there. Both sides of the gold foil 2 are covered with transparent protective films 3 and 4 made of a transparent resin, and a blank 5 is formed by binding these edges. In this example, the end surface of the gold foil 2 is also covered with the transparent protective film, but the peripheral edge of the transparent protective film may be trimmed. Transparent protective films 3, 4 on both sides of gold leaf 2
, The gold foil 2 is reinforced by the transparent protective films 3 and 4, so that mechanical wear, deformation, breakage, and chemical deterioration can be prevented.

The transparent protective films 3 and 4 are organic coatings having a thickness of 10 to 200 μm that transmit visible light, and may be made of, for example, a biaxially oriented polypropylene film (OPP) or a non-oriented polypropylene film (CP).
P), formed by laminating polyethylene film (PE),
For example, OPP / PE, OPP / CPP, OPP / PE
A laminate film such as / CPP is preferably used.

The transparent decorative plates 8 and 9 are provided with pictographic characters (including pictures, patterns, characters, landscapes, pictures, etc.) composed of opaque portions on the surfaces of transparent plates made of a material such as resin such as acrylic or glass. It was done. In this example, symbols 17, 18 and characters 19, 20, 21 are provided on one transparent decorative plate 8, and a symbol (not shown) is also provided on the other transparent decorative plate 9.

The material of the transparent decorative plates 8 and 9 does not necessarily have to be high in rigidity, but may be a material having appropriate flexibility, and the thickness thereof is appropriately set. The opaque portion may be formed by any appropriate method such as application of paint, relief engraving, etching, or a combination thereof. The contents of the pictograms displayed on the transparent decorative plates 8 and 9 are not particularly limited, either.
For example, in the case of wedding gifts, different products such as the bride and groom's name are displayed differently, and business cards, memorial of events, famous paintings and designs, cartoons are also characters,
Reproduction of a famous person can be considered. As a relatively easy concrete method, there is a method using a copy machine, and according to heat copying, laser copying, photographic copying, etc.,
Clear color copy can be easily made based on any original.

The thin transparent film 6, which is a feature of the present invention, has a thickness of 5 to 10 μm on the thin transparent film 6 having a thickness of 10 to 300 μm and corresponding to the symbols 17 and 18. Are adhered by transfer, and are thermocompressed on the toner layers 10 and 12 to have a thickness of 10 to 10.
Dye layers 11 and 13 each having a thickness of 100 μm are pressure-bonded. Pigment, metal powder, plating and the like are appropriately used for the dye layers 11 and 13. The toner layers 10 and 12 and the dye layers 11 and 13 form a white or colored opaque layer. Also on the other thin transparent film 7, a toner layer 14 is adhered by transfer to a portion of the transparent decorative plate 9 corresponding to a design (not shown), and a dye layer 15 is formed on the toner layer 14 by thermocompression. And crimped.

As the thin transparent films 6 and 7, a material having good toner adhesion and high light transmittance is preferable. For example, a polymethyl methacrylate resin (PMMA) which is a transparent thermoplastic resin having high mechanical strength is preferable. : Light transmittance 93%), styrene resin (light transmittance 87 to 92)
%), An AS resin (light transmittance 78 to 88%), a polycarbonate resin (light transmittance 85 to 91%), a hard vinyl chloride resin (light transmittance 76 to 82%), and the like are preferably used. The thickness of the thin transparent films 6 and 7 is appropriately set in consideration of light transmittance and required mechanical strength.

In this embodiment, even when the color tone of the gold foil 2 and the color tone of the transparent decorative plates 8 and 9 are the same, the pigment layer 1
1 and 13, the pattern 17 of the gold leaf 2 and the transparent decorative plates 8 and 9
The 18 sections become clear, and the visibility of the symbols 17 and 18 can be improved. Therefore, symbol 17,1
The appearance of the eight portions can be improved, a sense of quality can be obtained, and the decorative and aesthetic value can be increased.

As described above, the transparent decorative plates 8 and 9 were superposed on both surfaces of the blanks 5 with the thin transparent films 6 and 7 interposed therebetween, respectively, and the whole was covered with the transparent protective film 16. Thereby, the transparent protective film 16 reinforces the gold foil 2 and the transparent decorative plates 8 and 9, and can prevent mechanical wear, deformation, breakage, and chemical deterioration thereof, and the handling becomes simple, and the possession becomes easy. , Storage, etc. can be made extremely easy.

Next, an example of a method for manufacturing the gold card 1 will be described. A gold ingot with a purity of 99.99% or more is rolled to a predetermined thickness, cut into a business card size,
A gold foil 2 having a thickness of 0.005 to 0.3 mm is produced,
Both surfaces of the gold foil 2 are covered with transparent protective films 3 and 4 to form blanks 5. On the other hand, the transparent decorative plates 8 and 9 are created by, for example, color copying the original.

The thin transparent films 6 and 7 are manufactured by using the technique disclosed in, for example, US Pat. No. 4,724,026. That is, using a laser copying machine or the like, the portions of the patterns 17 and 18 of the transparent decorative plate 8 are transferred to the thin transparent film 6 and the toner layers 10 and 12 are adhered to the pattern portions. 6, the toner layer 10,
An opaque color transfer film of white or color (white in this example) is thermocompression-bonded to the surface on the side where 12 is adhered, and the dye layers 11 and 13 of the color transfer film are adhered to the toner layers 10 and 12. . The thickness of the toner layers 10 and 12 of the thin transparent film 6 is 5 to 10 μm,
Since the thickness of 13 is 10 to 100 μm, the thickness of these multiple layers is 15 to 110 μm. Thermocompression bonding
This is performed using a heat sealer, a hot press, an iron, or the like. Thus, the pictogram 1 of the thin transparent film 6
The dye layers 11 and 13 can be easily formed only in the portions corresponding to 7 and 18.

In the same manner as described above, the pattern (not shown) of the transparent decorative plate 9 is transferred to the thin transparent film 7 using a laser copying machine or the like, and the toner layer 14 is adhered to the pattern portion.
Then, a white or colored (white in this example) opaque color transfer film is thermocompression-bonded to the surface of the thin transparent film 7 on the side to which the toner layer 14 is adhered, so that the color transfer film is adhered to the toner layer 14. The pigment layer 15 is adhered. In addition, the dye layers 11, 13, 15 and the toner layer 1
Instead of the colored opaque layer composed of 0, 12, and 14, a general white layer may be used.

Finally, the transparent decorative plates 8 and 9 are overlaid on both sides of the blanks 5 with the thin transparent films 6 and 7 interposed therebetween, respectively, and the whole is covered with a transparent protective film 16 to be integrated.

FIG. 2 is a view similar to FIG. 1 of another embodiment of the noble metal composite plate with pictograms of the present invention. The precious metal composite plate 32 with pictograms in FIG.
7, the toner layers 28 and 29 and the dye layers 30 and 31 are provided on portions substantially corresponding to the entire surface except the outer peripheral portions of the transparent decorative plates 8 and 9.
Is formed. More specifically, a pictorial image of a pictogram 40 is provided over almost the entire surface of one of the transparent decorative plates 38 except for the outer peripheral portion.
, And the other transparent decorative plate 39 is also provided with pictographs (not shown). The pictograms 40 of the transparent decorative plates 38, 39 are provided on the thin transparent films 26, 27.
The toner layers 28 and 29 and the dye layers 30 and 31 are formed at portions corresponding to the pictographs of the transparent decorative plate 39 (not shown). Other configurations are the same as those in FIG. In the present embodiment, since the toner layer and the pigment layer may be formed on almost the entire surface of the thin transparent film regardless of the shape of the pictogram, the thin transparent film is used for a plurality of types of precious metal composite plates with pictograms having different pictogram shapes. Can be used.

In each of the above embodiments, the white or colored opaque layer is formed by bonding the dye layer via the toner layer. However, the present invention is not limited to this. Alternatively, a colored opaque layer may be applied to a required thickness. In addition, the gold card 1 using the gold leaf 2 was used, but in addition to the gold leaf 2, silver, platinum, palladium, copper, K
18. A completely similar noble metal card can be obtained by using a foil or a thin plate made of a noble metal such as tin or a noble metal alloy. Further, a transparent decorative plate and a thin transparent film may be provided only on one side of the blank.

[0031]

Since the present invention is configured as described above, it has the following effects. According to the first aspect of the present invention, even when the color tone of the precious metal thin plate and the color tone of the transparent decorative plate are the same, the distinction between the precious metal thin plate and the pictogram can be made clear, and the visibility of the pictogram portion is improved. Can be done. Therefore, the appearance of the pictographic portion can be improved, a sense of quality can be obtained, and the decorative and aesthetic value can be increased. In addition, since the noble metal thin plate is covered with the transparent protective film, the thin plate can be reinforced with the transparent protective film, and its mechanical wear, deformation, breakage, and chemical deterioration can be prevented. Furthermore, since the composite plate is covered with the transparent protective film, the transparent protective film reinforces the thin precious metal plate and the transparent decorative plate, and prevents mechanical wear, deformation, breakage, and chemical deterioration. it can. In addition, since the whole is covered with the transparent protective film, handling becomes simple, and possession and storage can be made extremely easy.

According to the second aspect of the present invention, in addition to the above effects,
Since it is sufficient to form a white or colored opaque layer on almost the entire surface of the thin transparent film regardless of the shape of the pictogram,
A thin transparent film can be used for a plurality of types of precious metal composite plates with pictographs having different pictograph shapes. According to the third aspect of the present invention, the visibility of the pictogram portion is further improved by the black toner layer, and there is no possibility that the dye layer is separated from the toner. According to the fourth aspect of the present invention, the noble metal composite plate with pictograms according to the third aspect can be easily manufactured.

[Brief description of the drawings]

FIG. 1A is a schematic perspective view of one embodiment of a noble metal composite plate with pictograms of the present invention, and FIG. 1B is a cross-sectional view taken along line AA of FIG.

FIG. 2A is a schematic perspective view of another embodiment of the noble metal composite plate with pictograms of the present invention, and FIG. 2B is BB of FIG.
It is a line sectional view.

[Explanation of symbols]

 1,32 Gold card (noble metal composite plate with pictograms) 2 Gold foil (noble metal thin plate) 3,4 Transparent protective film 5 Blanks (noble metal composite material) 6,7,26,27 Thin transparent film 8,9,38,39 Transparent decoration Plates 10, 12, 14, 28, 29 Toner layer 11, 13, 15, 30, 31 Dye layer 16 Transparent protective film 17, 18 Pictogram (design) 19, 20, 21 Pictogram (text) 40 Pictogram (copy of portrait photo) )

Claims (4)

[Claims] 1. A noble metal composite with a pictogram in which a transparent decorative plate is superimposed on at least one surface of a noble metal composite plate obtained by coating a noble metal thin plate made of a noble metal or an alloy of a noble metal with a transparent protective film, and the whole is covered with a transparent protective film. In the plate, a thin transparent film is further inserted between the noble metal composite plate and the transparent decorative plate, and a portion of the thin transparent film corresponding to a desired pictogram of the transparent decorative plate is white or colored. A precious metal composite plate with pictograms, characterized by being provided with an opaque layer. 2. The noble metal composite plate with pictograms according to claim 1, wherein the white or colored opaque layer is provided in a portion corresponding to almost the entire area except the outer peripheral portion of the transparent decorative plate. 3. The precious metal composite plate with pictograms according to claim 1, wherein the white or colored opaque layer is formed by adhering a dye layer via a toner layer. 4. A precious metal composite plate in which a noble metal thin plate made of a noble metal or a noble metal alloy is covered with a transparent protective film, and a desired pictogram of a transparent decorative plate is transferred to a thin transparent film to form the pictogram portion. Then, a white or colored opaque color transfer film is thermocompression-bonded to the surface of the thin transparent film to which the toner is adhered, and the dye of the color transfer film is adhered to the toner, Laminate the thin transparent film on at least one surface of the noble metal composite plate on the surface opposite to the surface to which the dye is adhered.Furthermore, after laminating the transparent decorative plate on the thin transparent film, the whole is transparently protected. A method for producing a precious metal composite plate with pictograms, characterized by coating with a film.