JP4140223B2 - Information medium with scratch concealment layer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an information medium with a scratch concealment layer in which confidential information data is concealed with a scratch concealment layer such as a lottery ticket or a game card. More specifically, the scratch concealment layer is scratched off (scratched) with a coin or the like. The present invention relates to an information medium with a scratch concealment layer that recognizes confidential information data.
[0002]
[Prior art]
Conventionally, for example, in an instant lottery ticket or a game card, in order to conceal confidential information data such as “win”, “out” or a picture corresponding thereto, concealment and scratching (ease of scratching) are provided. Scratch prints that conceal the confidential information data with the inks that the customer purchases and visually recognize the confidential information data by scratching off with coins or the like when the purchased customer uses them are known and used in various fields.
[0003]
As the printed matter with the scratch concealing layer, for example, as shown in the schematic diagram of the laminated cross section of FIG. 2, confidential information data such as patterns, characters, numbers, etc. on a base material (10) made of paper or the like. (12) is printed, and an easy-peeling layer (14) made of a transparent peeling varnish or the like is formed so as to cover the confidential information data (12), and a scratch concealment layer (14) is formed on the easy-peeling layer (14). 20), and the customer who purchased this scratch printed material scratches off the scratch concealment layer (20) with a coin or a nail, etc. Alternatively, confidential information data (12) such as a picture corresponding thereto can be visually recognized.
[0004]
[Problems to be solved by the invention]
However, for example, when the base material (10) is a relatively thin sheet, when the printed material is exposed to strong light and viewed through the opposite side, the shadow of the confidential information data (12) can be seen through and the confidential information is visible. As a method for solving this problem, for example, as shown in the schematic laminated sectional view of FIG. 3, the watermark prevention layer is printed on the back surface of the base material (10) by printing with gray ink or the like. (24) was provided, or the scratch concealing layer (20) was thickened by printing twice or the like. Or, the substrate (10) is expensive, and it is difficult to print or process it (making production efficiency worse), and the problem of see-through has been solved by using thick paper.
[0005]
In any of the above-described measures for preventing the shadow of the confidential information data (12) from being seen through even when it is exposed to such strong light, the base material (10), the material such as ink, and the processes such as printing are performed. There was a problem that the manufacturing cost increases, that is, a so-called manufacturing cost increases.
[0006]
Furthermore, there is a concern that the contents of the confidential information data are visible to the operator during printing.
[0007]
The present invention solves such problems of the prior art, and the problem is that the information medium with a scratch concealment layer in which the shadow of confidential information data cannot be visually recognized even when strong light is applied, as in the past. There is no problem of increasing the manufacturing cost by applying a watermark prevention layer, printing the scratch concealment layer twice, or using thick paper that is expensive and difficult to print or process. It is an object of the present invention to provide an information medium with a scratch concealment layer in which confidential information data cannot be recognized even by the operator.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, in the present invention, first, in the invention of claim 1, confidential information data and an easy peeling layer are applied on a base material, and the confidential information data is concealed so as to cover it. In the information medium with a scratch concealment layer to which the scratch concealment layer is applied, each character or each figure constituting the confidential information data has an area and a thickness of the easily peelable layer on the normal printing color ink layer. It is an information medium with a scratch concealment layer, characterized by comprising a line drawing pattern divided into areas of the scratch concealment layer pushed into the non-image part of the easily peelable layer having a thickness of 1 to 3.5 μm. .
[0009]
According to a second aspect of the present invention, there is provided the information medium with a scratch concealing layer according to the first aspect, wherein the normal printing color ink layer is made of offset, letterpress, or gravure printing ink.
[0010]
According to the first or second aspect of the invention, the confidential information data includes a normal printing color ink layer such as an offset, and a scratch concealment layer pressed into a non-image portion of a 1 to 3.5 μm thin easily peelable layer. For example, in the case of a thin base material, when a watermark is applied by applying strong light from the back side, only a normal printing color ink layer forming confidential information data can be seen, and a thin easy peeling layer Since the part of the line drawing pattern consisting of the scratch concealment layer that is pushed into the non-line part of the image is invisible (cannot be seen), it is difficult to recognize it as accurate confidential information data, and during printing, etc. Only the normal printing color ink layer that is part of the confidential information data is also visible to the operator etc., so that it is an information medium with a scratch concealment layer that is effective in terms of security. Can. Therefore, it is not necessary to thicken the base material, provide a watermark prevention layer on the back surface, or obtain a scratch concealment layer by printing twice as in the prior art, that is, information with a scratch concealment layer that does not increase the manufacturing cost. It can be a medium.
[0011]
The line drawing pattern mentioned above is an original drawing (pattern) of only black and white with no gradation or shading in the drawing line or figure. However, what reproduces gradation with halftone dots (the shadow part is formed of cells like a gravure plate) corresponds to this line drawing.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
The present invention relates to an information medium (1) with a scratch concealment layer in which confidential information data (12) is concealed by a scratch concealment layer (20) as shown in the schematic diagram of the laminated cross section of FIG. 1 (a). More specifically, for example, a customer who purchases the information medium (1) with the scratch concealment layer scratches off the scratch concealment layer (20) with a coin or the like and recognizes the confidential information data (12). The present invention relates to a layered information medium (1).
[0013]
The information medium (1) with a scratch concealment layer of the present invention has a normal printing color ink layer (22) on the surface of a substrate (10) made of, for example, paper, as shown in the schematic cross-sectional view of FIG. ) And a thin easy peel layer (14) having a thickness (D) of 1 to 3.5 μm so as to cover it, and the non peelable portion (14b) is formed on the easy peel layer (14). A scratch concealing layer (20a) on which the scratch concealing layer (20) is applied on the easy exfoliation layer (14) and pressed into the non-image area (14b) of the easy exfoliation layer (14) As shown in the enlarged plan view of FIG. 1 (b), for example, the normal printing color ink layer (22) and the easily peelable layer (14) Combined with the scratch concealment layer (20a) pushed into the non-image area (14b) A scratch concealing layer with an information medium (1) that is configured to form a confidential data (12) to be.
[0014]
Like the information medium (1) with the scratch concealment layer, the confidential information data (12) includes the normal printing color ink layer (22) and the easily peelable layer (14) as shown in FIG. Since it is configured to form the confidential information data (12) by being combined with the scratch concealment layer (20a) pushed into the non-image portion (14b), for example, this information medium (1) with the scratch concealment layer When the customer who purchased the material scratches off the scratch concealment layer with a coin, the easy peeling as shown in the right half of FIG. 1C is shown in the plan view of FIG. Only the scratch masking layer (20a) pushed into the non-image area (14b) of the layer (14) remains, and the remaining scratch masking layer (20a) is combined with the normal printing color ink layer (22). Confidential information data It is intended to scratch concealing layer with an information medium that becomes clearly recognized (1) as 12).
[0015]
The normal printing color ink layer (22) that forms part of the confidential information data (12) of the information medium (1) with a scratch concealment layer of the present invention comprises a process ink and a special color ink for offset, letterpress, and gravure printing. Thus, it is formed by each printing method.
[0016]
As described above, according to the information medium (1) with the scratch concealment layer of the present invention, as shown in FIG. 1 (b), the confidential information confidential data (12) is stored in an ordinary printing color ink layer (22 such as an offset). ) And the scratch concealment layer (20a) pushed into the non-image area (14b) of the easily peelable layer (14). Of the confidential information data, the portion of the scratch concealment layer (20a) that is pressed into the non-image area (14b) of the thin easily peelable layer (14) cannot be visually recognized as a pattern, and the normal print color Only the ink layer (22) is visible, and this normal printing color ink layer (22) forms a part of the confidential information data (12), so that it can be recognized as accurate confidential information data (12). It will be difficult. Furthermore, since the confidential information data (12) is also divided by the operator during printing, etc., and only the normal printing color ink layer (22) that forms a part of the confidential information data (12) can be visually recognized. This is an information medium (1) with a scratch concealment layer that is effective for the above.
[0017]
Therefore, the information medium (1) with the scratch concealment layer has a thick base (10) as in the prior art, or a watermark prevention layer (24) on the back of the base (10) as shown in FIG. Alternatively, the scratch concealment layer (20) need not be printed twice to be thick, that is, the information medium (1) with the scratch concealment layer can be manufactured at a low manufacturing cost. Further, it is possible to provide the information medium (1) with a scratch concealment layer having a design effect by giving the design freedom of the confidential information data (12).
[0018]
Hereinafter, the material and forming method of each layer constituting the information medium (1) with a scratch concealment layer of the present invention will be specifically described.
First, as the base material (1), for example, for instant lottery tickets and game cards, art paper, coated paper or fine paper such as coated paper, coated ball, coated manila, board such as double-sided card, special securities paper, etc. In addition, as a scratch card as a securities, white PET (polyethylene terephthalate), white vinyl chloride (polyvinyl chloride) sheet, and the like can be cited, and they are appropriately selected according to the use.
[0019]
Moreover, as an easily peelable layer (14) which comprises the information medium (1) with a scratch concealment layer of this invention, a silicon | silicone and wax (polyethylene wax etc.) are used as an additive to a polyurethane acrylic resin, a polyamide resin, a nitrocellulose resin, for example. Printed using each printing plate such that the confidential information data (12) becomes a negative pattern by screen printing, gravure printing or flexographic printing using an anilox roller to add 5% by weight or less of ink added can get. Furthermore, for example, the confidential information data (12) is obtained by the offset printing method using a UV peeling varnish in which silicon or wax is slightly added to the vehicle of UV curable offset ink (component excluding the color pigment of the printing ink). It can also be obtained by printing using an offset printing plate that forms a negative pattern, and is a suitable material particularly for a thin easily peelable layer (14).
[0020]
In addition, as the scratch concealment layer (20) constituting the information medium (1) with a scratch concealment layer of the present invention, for example, a flexographic printing using the following scratch ink through a screen printing method, a gravure printing method or an anilox roll. A thickness of about 5 to 10 μm is formed on the easy release layer (14) by a printing method.
[0021]
The composition of the scratch ink is, for example, 15 to 25 parts by weight of aluminum powder for imparting concealment, 15 to 25 parts by weight of color pigments including extender pigments such as alumina white, SBR having a cohesive fracture (nodule) property, 15-25 parts by weight of a synthetic rubber resin such as NBR, and further, 35-45 parts by weight of an aromatic hydrocarbon solvent such as toluene, xylene, methyl isobutyl ketone and 5-15 parts by weight of an auxiliary agent such as an antifoaming agent are added to the screen. It is formulated for printing ink, gravure printing ink or flexographic printing ink.
[0022]
Also, instead of the ink for the scratch concealment layer (20) as described above, an aqueous emulsion ink superior in environmental regulations such as the Fire Service Law, the Industrial Safety and Health Law (Organic solvent poisoning prevention regulations) or VOC regulations is used. It can also be formed by a gravure printing method, a screen printing method or a flexographic printing method. The composition of the ink is, for example, an aluminum paste for imparting concealability and scratch properties (a fine aluminum powder is surface-treated with a fatty acid or the like and made into a paste form with a high boiling point mineral spirit or the like) and a color pigment of 20 to 45 parts by weight, 25 to 50 parts by weight of a polyurethane-based synthetic resin as a binder, and 1 to 10 parts by weight of an auxiliary agent such as an antifoaming agent are dispersed in 10 to 35 parts by weight of water and less than 5 parts by weight of a lower alcohol such as isopropyl alcohol. Can be mentioned.
[0023]
【The invention's effect】
Since this invention is the above structure, there exist the following effects. That is, it is strong when the confidential information data is printed on the printed material, the easy peeling layer is formed so as to cover the confidential information data, and the scratch hiding layer is applied on the easy peeling layer. Confidential information data and an easy peeling layer are applied on a base material made of paper through which the shadow of the confidential information data can be seen through when viewed through the opposite side when exposed to light, so that the confidential information data is covered thereon. In the information medium with a scratch concealment layer to which a concealment scratch concealment layer is applied, the confidential information confidential data is transferred to a normal printing color ink layer such as an offset and a non-image portion of a thin easily peelable layer of 1 to 3 μm. Since it is formed with the pressed scratch concealment layer, even if it is watermarked by giving strong light from the back side, only the divided normal printing color ink layer can be seen in the confidential information data Therefore, it is difficult to recognize as accurate confidential information data, and since only the normal printing color ink layer that is a part of confidential information data can be seen by operators etc. during printing, it is very effective in terms of security. It is possible to provide an information medium with a scratch concealment layer, and it is not necessary to thicken the base material as in the prior art, to provide a watermark prevention layer on the back surface, or to obtain the scratch concealment layer by printing twice, that is, It can be set as the information medium with a scratch concealment layer which does not increase the manufacturing cost.
[0024]
Further, since the confidential information data is formed by the normal printing color ink layer and the scratch concealment layer pushed into the non-image area of the easy-peeling layer, there is an effect that the confidential information data has a degree of freedom in design.
[0025]
Therefore, the present invention is an information medium with a scratch concealment layer in which confidential information data is concealed with a scratch concealment layer such as a lottery ticket or a game card, and in particular, as an information medium with a scratch concealment layer effective in terms of security, Exhibits excellent practical effects.
[Brief description of the drawings]
FIG. 1 illustrates an embodiment of an information medium with a scratch concealment layer according to the present invention.
(A) is the schematic diagram represented with the lamination | stacking cross section,
(B) is a front view in which the right half is scratched off;
(C) is BB surface sectional drawing of (b).
FIG. 2 is an explanatory view showing a form of an example of a conventional information medium with a scratch concealment layer in a side section.
FIG. 3 is an explanatory view showing another example of a conventional information medium with a scratch concealment layer in a side section.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Information medium 10 with a scratch concealment layer ... Base material 12 ... Confidential information data 14 ... Easily peelable layer 14b ... Non-image part 20 of an easily peelable layer ... Scratch concealment layer 20a ... Scratch concealment layer 22 that has entered the non-image area ... Normal printing color ink layer 24 ... Watermark prevention layer D ... Thickness of easy peeling layer

Claims (2)

In the information medium with a scratch concealment layer on which a confidential information data and an easily peelable layer are applied on a base material, and a scratch concealment layer is provided on the base material so as to cover the confidential information data , the confidential information data is Scratch concealment in which each character or figure constituting each is pushed into the area of the easy peelable layer on the normal printing color ink layer and the non-image area of the easy peelable layer having a thickness of 1 to 3.5 μm scratch concealing layer with an information medium, characterized by comprising at a line drawing pattern divided into regions of the layer.   The information medium with a scratch concealment layer according to claim 1, wherein the normal printing color ink layer is made of offset, letterpress, or gravure printing ink.

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