JPH0756239Y2 - Laminated thin precious metal composite plate - Google Patents

Description

[Detailed description of the device] "Industrial application field" This device can be easily held or stored as a souvenir or gift, and the amount of precious metal can be freely adjusted according to the purpose of use. In addition, the present invention relates to a laminated thin precious metal composite plate having a decorative and asset value.

“Prior Art” Conventionally, a small gold ingot has been given a pattern on its surface by imprinting it with a mold as seen in coins and medals.

By the way, in recent years, the popularity of gold has advanced, and the unit of gold handling has become smaller and trading has been started in gram units. However, such a small amount of gold pressed into a coin or medal with a certain thickness does not look good because it is so small that it is not very effective as a souvenir or gift. was there.

So, for example, rolling a gold ingot into a thin plate (1 g of gold
If it is extended to 15 μm, it will be about the size of a business card), and the surface of this will be marked with a pattern or letters according to the purpose, and this thin plate will be covered with a protective film made of transparent resin to a certain extent. By using a composite board with added thickness, it can be used as a card-shaped souvenir or gift.

"Problems to be solved by the invention" By the way, in order to enhance the decorative and asset value of the composite plate as described above, it is necessary to thicken the precious metal thin plate and increase its quantity. It is necessary to strictly adjust the rolling thickness, and it takes a lot of time and effort to produce thin precious metal sheets having different thicknesses depending on the purpose of use, and as a result, the manufacturing cost of thin precious metal composite sheets increases. There is.

"Purpose of Invention" This invention has been made in view of the above circumstances, and can easily and freely adjust the amount of precious metal according to the purpose of use, and has decorative and asset value. It is intended to provide a laminated thin precious metal composite plate.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the laminated thin precious metal composite plate of the present invention has the front and back surfaces of a precious metal thin plate made of a precious metal or an alloy of precious metals covered with a protective film made of a transparent resin. A plurality of composite plates are laminated in a layered form, and the whole of them is integrally covered with a coating film made of a transparent resin.

"Operation" In the laminated thin precious metal composite plate of the present invention, the amount of the precious metal can be easily and freely adjusted by changing the number of laminated composite plates, and the amount of the precious metal can be adjusted according to the purpose of use. The laminated thin precious metal composite plate having different eyes can be easily manufactured, and the manufacturing cost can be reduced.

Moreover, since the whole is covered with the protective film, it is possible to prevent the adhesion of dirt and the like, the occurrence of scratches and the like, the bending and the like, and to maintain the decorative and asset values for a long period of time.

[Embodiment] An embodiment of the laminated thin precious metal composite plate of the present invention will be described below with reference to FIGS. 1 to 11.

1 to 8 show the first embodiment, and reference numerals 1, 2, and 3 in the drawings respectively denote composite plates.

These composite plates 1, 2 and 3 are made of transparent gold lumps with a purity of 99.99% or more and are repeatedly rolled to finish the thickness to 15 μm. A protective film (thickness: 0.1 mm) 7, 8 and 9 made of a polyester resin film and having an adhesive applied to the back surface is thermocompression-bonded, and the peripheral portion is trimmed. The polyester resin film is opaque before thermocompression bonding, but becomes transparent after thermocompression bonding.

On the surface of the composite plates 1, 2, and 3, as shown in FIGS. 5 to 7, respectively, a letter of appreciation, a commemorative photo of the event,
Pictograms 10, 11 and 12 printed with letters related to the license are applied, and the doll picture (pictogram) that enhances the decorative effect is shown on the back side of the composite boards 1, 2 and 3, respectively, as shown in FIG. )13
, And a guarantee character (pictogram) 14 including the grade, quantity, and manufacturer name of gold is printed.

The pictograms 10 to 14 include, in addition to printing, an appropriate method such as coating of a paint, relief engraving, etching, a method combining these, and a method using a copy machine.
According to thermal copying, laser copying, photographic copying, etc., clear color copying can be easily performed based on an arbitrary original plate. Although the contents of the pictograms 10, 11, 12 are not particularly limited, for example, memorial events, famous paintings and reproductions of Dedine, etc. are considered, and in the case of a wedding gift, the bride and groom. Displayed differently for each product like the name.

Then, the composite plates 1, 2, 3 are laminated in this order in layers, and the whole of them are integrally covered with the coating film 15, and the peripheral edge portion is trimmed so that the composite plates 1, 2 and 3 are formed as shown in FIGS.
The laminated thin precious metal composite plate shown in the figure is manufactured.

The coating film 15 is made of acrylic resin on the surface and has a hard coat (thickness: 10 μm) with a surface hardness of 5H.
It is made of a 0.1 mm polyester resin film, and is entirely covered by thermocompression bonding.

The laminated thin precious metal composite plate having the above-mentioned configuration is 1 g of the precious metal thin plate 4,
Composite plate in which each of 5, 6 is covered with a protective film 7, 8, 9
1, 2, and 3 are superposed and the whole of them is integrally covered with a coating film 15. Therefore, it is possible to easily and freely adjust the amount of gold by changing the number of laminated composite plates, and it is possible to easily manufacture a laminated thin precious metal composite plate having different amounts of gold according to the purpose of use. Therefore, the manufacturing cost can be reduced.

Further, since the whole is covered with the coating film 15, adhesion of dirt and the like, occurrence of scratches and the like, bending and the like are prevented,
Decorative and asset value can be maintained for a long time.

Further, pictograms 10, 11 and 12 are provided on the front and back surfaces of the composite plates 1, 2 and 3 according to the purpose of use.
Since 12 appears to stand out against the golden color of gold, it can fully function as a souvenir or gift and can further enhance the decorative effect.

In addition, by cutting the outer peripheral portion of the coating film 15, it is possible to easily separate the composite plates 1, 2 and 3 inside, and
Since the composite plates 1, 2, and 3 themselves are provided with the pictograms 10, 11, and 12, the composite plates 1, 2, and 3 can be used as they are as souvenirs or gifts.

Although the noble metal thin plates 4, 5 and 6 of the composite plates 1, 2 and 3 are all made of gold in the above embodiment, the present invention is not limited to this. For example, the noble metal thin plates of the composite plate 3 are made of platinum. May be. This makes it possible to obtain different color tones between the golden color of gold and the white color of platinum on the front and back surfaces of the laminated thin precious metal composite plate, and further to enhance the decorative effect. Further, by cutting the outer peripheral portion of the coating film 15 in the same manner as described above, it is possible to separate each composite plate, it is possible to easily separate gold and platinum, in the case of cash exchange, recovery, etc. It is convenient.

9 to 11 show a second embodiment of the present invention, in which the reference numeral 20 designates a composite plate. This composite plate 20 is a trapezoidal plate with a long side of 20 mm, a short side of 10 mm, and a height of 40 mm.
m) The protective film (thickness: 0.1 mm) 23, 23, which is made of transparent polyester and has an adhesive applied to the back surface, is thermocompression-bonded on both sides of 22) and the peripheral edge is trimmed. .

A transparent decorative plate (thickness: 0.1 mm) 25 having a partially opaque pictogram 24 is laid on the surface of the composite plate 20. The transparent decorative plate 25 is formed by applying a doll picture, which is the pictogram 24, to a transparent polyester resin film by an appropriate method such as printing, and the composite plate 20 is formed in the same shape.

Reference numeral 26 in the figure denotes a composite plate. The composite plate 26 is a trapezoidal plate having a larger area than the composite plate 20 and has a purity of 9%.
A protective film (thickness: 0.1 mm) 28,28 made of transparent polyester and coated with an adhesive on the back side is heat-pressed on both sides of a thin plate (thickness 15 μm) 27 of 9.99% or more colored gold, The peripheral portion is trimmed. Further, a doll picture (pictogram) 29 is provided on the surface of the protective film 28 on the back side by an appropriate method such as printing.

Then, on the lower surface of the composite plate 26, the composite plate 20 in which the transparent decorative plate 25 is superposed is overlapped, and the whole is covered with a coating film 30 of the same material as the coating film 15 to be integrated, and its upper edge. By forming a ribbon mounting hole 31 in the center to mount the ribbon 32 and then trimming the peripheral portion, a laminated thin precious metal composite plate used as a bookmark is manufactured.

According to the thin-walled precious metal composite plate with laminated pictograms having the above configuration,
In addition to the effect of the first embodiment, the effect of further enhancing the decorative effect can be obtained by the contrast between the golden color of gold and the white color of platinum, which is the background, on the surface side.

[Effect of the Invention] As described above, according to the laminated thin precious metal composite plate of the present invention, a plurality of composite plates obtained by coating a thin precious metal plate with a protective film are stacked in layers, and the whole is covered with a coating film. Since they are integrally coated, the amount of precious metal can be easily and freely adjusted by changing the number of laminated composite plates. The plate can be easily manufactured, and the manufacturing cost can be reduced.

Further, since the whole is covered with the coating film, it is possible to prevent the adhesion of dirt and the like, the occurrence of scratches and the like, the bending and the like, and to maintain the decorative and asset value over a long period of time.

Furthermore, by cutting the outer peripheral portion of the coating film, the plurality of composite plates inside can be easily separated, so that the composite plates can be used as they are as souvenirs or gifts.

[Brief description of drawings]

FIGS. 1 to 8 show an embodiment of the present invention. FIG. 1 is a sectional view of a laminated thin precious metal composite plate, and FIGS. 2 and 3 are front and back surfaces of the laminated thin precious metal composite plate, respectively. FIG. 4 is a cross-sectional view showing the composite plate, FIG. 5 to FIG. 7 are plan views showing the surface of the composite plate, and FIG.
FIG. 9 is a plan view showing the back surface of the composite plate, FIGS. 9 to 11 show a second embodiment, FIG. 9 is a sectional view of a laminated thin precious metal composite plate, and FIGS. 10 and 11 are It is a top view which shows the front and back of each laminated thin precious metal composite board. 1,2,3 …… Composite plate, 4,5,6 …… Precious metal thin plate, 7,8,9 …… Protective film, 15 …… Coating film, 20,26 …… Composite plate, 22,27 …… Precious metal thin plate, 23,28 …… Protective film, 30 …… Coating film.

Claims (1)

[Scope of utility model registration request] 1. A composite plate in which the front and back surfaces of a noble metal thin plate made of a noble metal or an alloy of a noble metal are covered with a protective film made of a transparent resin, which are laminated in a plurality of layers, and the whole is made of a transparent resin. A laminated thin precious metal composite plate characterized by being integrally covered with a film.