JP2021131492A - Tree-dimensional sticker and manufacturing method therefor - Google Patents

Abstract

To provide a 3D sticker capable of presenting three-dimensional beauty, and a method of manufacturing the same.SOLUTION: A 3D sticker 1 according to an embodiment of the present invention comprises a UV resin layer 4 having a convex portion at least as a part thereof, a glue layer 2 formed on the UV resin layer 4 on a side opposite the convex portion, and a metal foil layer 5 formed on the UV resin layer 4 on the side with the convex portion, where the convex portion is configured such that a constituting surface thereof is flat at least in part.SELECTED DRAWING: Figure 1

Description

The present invention relates to a three-dimensional seal and a method for producing the same.

Conventionally, a wide variety of stickers, stickers or labels (hereinafter referred to as stickers) to be attached to products, containers and the like have been used in various fields.

As such a seal, for example, in order to enhance the aesthetic appearance, a three-dimensional seal is disclosed in which a synthetic resin is laminated on the surface of the base on which the seal is printed.

Further, Patent Document 1 is provided with an embossed portion in which an embossed pattern is formed on at least a part of one surface of the base material, and light exhibiting an angle-dependent color shift is provided on the embossed portion. An anti-counterfeit medium provided with a color shift effect layer containing an interfering pigment is disclosed.

Japanese Unexamined Patent Publication No. 2008-80609

Usually, a three-dimensional sticker can be formed by screen printing or the like. However, although such a three-dimensional seal can have a predetermined thickness, there is a problem that the surface becomes almost flat and it is practically difficult to exert a three-dimensional aesthetic effect. ..

One of an object of the present invention is to provide a three-dimensional seal capable of exhibiting a three-dimensional aesthetic appearance and a method for manufacturing the same. Other objectives of the present invention will become apparent by reference to the entire specification.

The three-dimensional seal according to the embodiment of the present invention includes a layer of UV resin containing at least a convex portion, a layer of glue formed on the opposite side of the layer of UV resin to the convex portion, and the like. The UV resin layer includes a layer of a metal foil formed on the convex portion side, and is configured such that at least a part of the surface forming the convex portion is a flat surface.

The three-dimensional seal according to the embodiment of the present invention is further provided with a protective layer of the metal foil layer formed on the opposite side of the UV resin layer.

A three-dimensional seal according to an embodiment of the present invention is configured to further include a layer of application formed on the opposite side of the protective layer to the layer of the metal foil.

In the three-dimensional seal according to the embodiment of the present invention, the angle at which the two surfaces forming the convex portion intersect is configured to be an angle in the range of 60 ° to 160 °.

In the three-dimensional seal according to the embodiment of the present invention, each of the two surfaces forming the convex portion is configured to be a flat surface or a curved surface.

In the three-dimensional seal according to the embodiment of the present invention, each of the two surfaces forming the convex portion is configured to include two or more planes, two or more curved surfaces or planes, and a curved surface.

In the three-dimensional seal according to the embodiment of the present invention, the convex portion is composed of two or more convex portions.

In the three-dimensional seal according to the embodiment of the present invention, the heights of the two or more convex portions are configured to be different.

In the three-dimensional seal according to the embodiment of the present invention, the top of the convex portion is configured to be a straight line or a flat surface.

The three-dimensional seal according to the embodiment of the present invention is configured to include a layer of PET sheet between the layer of UV resin and the layer of glue.

In the method for producing a three-dimensional seal according to an embodiment of the present invention, a layer of UV resin containing a convex portion is formed at least in part, and a layer of glue is formed on the side of the layer of the UV resin opposite to the convex portion. A layer of a metal foil is formed on the side of the layer of the UV resin on which the convex portion is formed, and a protective layer is formed on the side of the layer of the metal foil opposite to the layer of the UV resin. Each step of forming a layer of application on the opposite side of the protective layer from the layer of the metal foil is provided.

According to each of the above-described embodiments of the present invention, the seal surface has a three-dimensional structure, and the light reflection direction is different depending on the angle, so that a three-dimensional aesthetic that is difficult with a two-dimensional structure can be exhibited. It becomes possible to provide a seal and a method for manufacturing the seal.

It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention. It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention. It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention. It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention. It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention. It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention. It is a figure which shows the cross section of the three-dimensional seal which concerns on one Embodiment of this invention.

Hereinafter, embodiments of the three-dimensional seal according to the present invention will be specifically described with reference to the accompanying drawings. Structures common to a plurality of drawings are designated by the same reference numerals throughout the plurality of drawings. It should be noted that each drawing is not always drawn to the correct scale for convenience of explanation.

FIG. 1 is a diagram showing an embodiment of a three-dimensional seal according to the present invention. As shown in the figure, the three-dimensional seal 1 according to the embodiment of the present invention is formed on the release sheet 11, from the lower layer, the glue layer 2, the PET sheet layer 3, the UV resin layer 4, and the metal. It is configured to include a layer 5 of foil, a protective layer 6, and an application 7. In the illustrated example, the three-dimensional seal is formed with a convex portion 10 (a portion formed in a convex or mountain shape) having a protruding central region.

In the three-dimensional seal 1 according to the embodiment of the present invention, the glue formed on the UV resin layer 4 including at least a part of the convex portion 10 and the UV resin layer 4 on the opposite side of the convex portion 10. The layer 2 of the UV resin and the layer 5 of the metal foil formed on the convex portion 10 side of the UV resin layer 4 are provided, and at least a part of the surface forming the convex portion is formed to be flat. NS. Here, the surface forming the convex portion is composed of two or more surfaces.

Here, acrylate or epoxy can be used as the UV resin, and a thermosetting resin can be used instead of the UV resin. In that case, polyurethane or epoxy can be used. The reason for using such a resin is that it is more flexible and easier to shape. Further, as the glue, an acrylic pressure-sensitive adhesive, a silicon-based pressure-sensitive adhesive, and a urethane-based pressure-sensitive adhesive can be used, but the glue is not limited thereto. Further, as the metal foil, aluminum foil, gold foil, and silver foil can be used, but the metal foil is not limited thereto. The role of the metal foil is brilliant, which is useful for visibility and workability.

According to the three-dimensional seal 1 according to the embodiment of the present invention, the seal surface has a three-dimensional structure, and the light reflection direction is different depending on the angle, so that a three-dimensional aesthetic that is difficult with a two-dimensional structure can be exhibited. It is possible to provide a three-dimensional seal.

The three-dimensional seal 1 according to the embodiment of the present invention is further configured to further include a protective layer 6 of the metal foil layer 5 formed on the opposite side of the UV resin layer. This makes it possible to prevent corrosion of the metal foil layer 5 and the like.

The three-dimensional seal 1 according to an embodiment of the present invention is further configured to further include an application layer 7 of the protective layer 6 formed on the opposite side of the metal foil 5 layer. The layer 7 of this application serves to protect the protective layer 6, and PET or tetron (transparent) can be used as the material thereof. This makes it possible to attach.

The three-dimensional seal 1 according to the embodiment of the present invention is configured to include a layer 3 of a PET sheet between the layer 4 of the UV resin and the layer 2 of the glue. The layer 3 of the PET sheet plays a role of providing thickness to the seal, and PET or tetron (transparent) can be used as the material thereof. This makes it possible to impart UV prime, that is, a more three-dimensional shape.

In the three-dimensional seal 1 according to the embodiment of the present invention, the angle A at which the two surfaces forming the convex portion 10 intersect is configured to be an angle in the range of 60 ° to 160 ° (FIG. 1). Angle A) shown. In the example of FIG. 1, the angle at which the two surfaces forming the convex portion 10 intersect is formed to be about 120 °.

According to the three-dimensional seal 1 according to the embodiment of the present invention, the seal surface has a three-dimensional structure, and the light reflection direction is different depending on the angle, so that a three-dimensional aesthetic that is difficult with a two-dimensional structure can be exhibited. It is possible to provide a three-dimensional seal. Further, according to such an aspect, it is possible to suppress the sticking to the side surface of the seal, and it is also possible to reduce the peeling and scratching of the seal. Further, when the paint is applied on the seal, there is an advantage that the paint can be easily applied to the side surface portion of the seal.

In particular, the angle A at which the two surfaces forming the convex portion 10 intersect is configured to be an angle in the range of 60 ° to 160 °, which is better in terms of shading and paint adhesion. I also understood.

In the three-dimensional seal 1 according to the embodiment of the present invention, each of the two surfaces forming the convex portion 10 is configured to be a flat surface or a curved surface.

In the three-dimensional seal 1 according to the embodiment of the present invention, each of the two surfaces forming the convex portion 10 is configured to include two or more planes, two or more curved surfaces or planes, and a curved surface. As shown in FIG. 7, which will be described later, it can be seen that each of the two surfaces forming the convex portion 10 is formed from two or more planes.

Next, the three-dimensional seal 1 according to the embodiment of the present invention will be described with reference to FIG. In the three-dimensional seal 1 according to the embodiment of the present invention, the convex portion 10 is composed of two or more convex portions. More specifically, as shown in FIG. 2, in the three-dimensional seal 1 according to the embodiment of the present invention, the convex portion 10 is formed by two convex portions 12 and 13, and each convex portion is formed in a mountain shape. However, it may be configured to have three or more convex portions.

In the three-dimensional seal 1 according to the embodiment of the present invention, the heights of the two or more convex portions 10 are configured to be different. In the example of FIG. 2, the heights of the tops of the two convex portions 12 and 13 are different, and the convex portion 13 is higher than the convex portion 12. By doing so, it is possible to make the reel surface look more three-dimensional.

Next, the top of the convex portion will be described with reference to FIG. In the three-dimensional seal 1 according to the embodiment of the present invention, the top of the convex portion 10 is configured to be a straight line or a flat surface. In the example of FIG. 3, a flat surface is formed on the top of the convex portion 10. By doing so, it is possible to improve the adhesion and increase the ridgeline, and there is an advantage that a more three-dimensional effect can be obtained.

Next, the three-dimensional seal 1 according to the embodiment of the present invention will be described with reference to FIG. In the three-dimensional seal 1 according to the embodiment of the present invention, the convex portion 10 is formed in the central region, and the connecting portion from the left and right end portions to the convex portion 10 is formed in an R shape. By doing so, it is possible to suppress the seal from being caught on the side surface of the seal while making the seal look three-dimensional, and it is also possible to reduce the peeling and scratching of the seal. Further, when the paint is applied on the seal, there is an advantage that the paint can be easily applied to the side surface portion of the seal.

Next, the three-dimensional seal 1 according to the embodiment of the present invention will be described with reference to FIG. As shown in FIG. 5, in the three-dimensional seal 1 according to the embodiment of the present invention, the convex portion 10 is formed by two convex portions 14 and 15, and the side surface portion of one convex portion 14 is curved. The other convex portion 15 is formed in a mountain shape like the convex portions 12 and 13 shown in FIG. By doing so, the three-dimensional characteristics of the seal can be changed as desired.

Next, the three-dimensional seal 1 according to the embodiment of the present invention will be described with reference to FIG. As shown in FIG. 6, in the three-dimensional seal 1 according to the embodiment of the present invention, the convex portion 10 is formed, and a plurality of notches are formed on the side portions 16 and 17. In this way, it is possible to make the seal look more three-dimensional.

Next, the three-dimensional seal 1 according to the embodiment of the present invention will be described with reference to FIG. 7. As shown in FIG. 7, in the three-dimensional seal 1 according to the embodiment of the present invention, each side surface of the convex portion 10 is formed by two planes 18, 19 or two planes 20, 21 and the planes 18, 20 are bottom portions. The planes 19 and 21 are formed so as to form an angle of θ1 with respect to the longitudinal direction of the bottom 22, and the planes 19 and 21 are formed to form an angle of θ2 with respect to the longitudinal direction of the bottom portion 22. Here, it is formed so that θ1 <θ2. In this way, it is possible to make the seal look more three-dimensional. θ1 can be in the range of 10 ° to 60 ° and θ2 can be in the range of 20 ° to 70 °, but is not limited to this. The two planes 18, 19 or the two planes 20, 21 are not in a mathematically strict sense, and may have a component other than the plane, and may be a substantially plane. Further, the curved surface can be considered in the same manner. These also apply to the descriptions in other paragraphs relating to planes and curved surfaces.

Next, a method for manufacturing a three-dimensional seal according to an embodiment of the present invention will be described. In the method for producing a three-dimensional seal according to an embodiment of the present invention, a layer of UV resin containing a convex portion is formed at least in part, and a layer of glue is formed on the side of the layer of the UV resin opposite to the convex portion. A layer of a metal foil is formed on the side of the layer of the UV resin on which the convex portion is formed, and a protective layer is formed on the side of the layer of the metal foil opposite to the layer of the UV resin. Each step of forming a layer of application on the opposite side of the protective layer from the layer of the metal foil is provided.

A method for manufacturing a three-dimensional seal according to an embodiment of the present invention will be described in more detail. First, in step 1, a transparent UV ink for thickening is poured into a shape transfer mold formed in a chevron shape, irradiated with a UV lamp, and cured. The thickness of the UV resin layer can be about 10 μm to 60 μm. Here, gold powder or the like may be mixed with the transparent UV ink for thickening and then poured. In step 2, the glue is printed with the screen printing glue plate. A layer of PET sheet may be formed between the layer of UV resin and the layer of glue.

In step 3, the film separator is placed and peeled off from the shape transfer mold. In step 4, a foil transfer die is used to sandwich the gold leaf or silver foil between the transferred sheets and press (press temperature is 100 ° to 200 °). In step 5, a screen printing glue plate is used to print a protective layer on the surface. In step 6, paste the application. The outer shape can be cut out in step 7 to form a three-dimensional seal as shown in FIG. Here, the total thickness of the three-dimensional seal is about 80 μm to 120 μm.

According to the method for manufacturing a three-dimensional seal 1 according to an embodiment of the present invention, the seal surface has a three-dimensional structure, and the light reflection direction is different depending on the angle, thereby exhibiting a three-dimensional aesthetic that is difficult with a two-dimensional structure. It is possible to provide a three-dimensional seal capable of providing a three-dimensional seal.

The dimensions, materials, and arrangement of each component described herein are not limited to those expressly described in the embodiments, and each component may be included within the scope of the present invention. Can be transformed to have the dimensions, materials, and arrangement of. In addition, components not explicitly described in the present specification may be added to the described embodiments, or some of the components described in the respective embodiments may be omitted.

1 Three-dimensional seal 2 Glue layer 3 PET sheet layer 4 UV resin layer 5 Metal foil layer 6 Protective layer 7 Application layer 10 Convex part 11 Release sheet 12 Convex part 13 Convex part 14 Convex part 15 Convex part 16 side Part 17 Side 18 Plane 19 Plane 20 Plane 21 Plane 22 Bottom

Claims (11)

A layer of UV resin containing at least a part of the convex part,
A layer of glue formed on the opposite side of the UV resin layer to the convex portion,
A layer of a metal foil formed on the convex side of the layer of the UV resin is provided.
A three-dimensional seal characterized in that at least a part of the surface forming the convex portion is a flat surface. The three-dimensional seal according to claim 1, further comprising a protective layer of the metal foil layer formed on the opposite side of the UV resin layer. The three-dimensional seal according to claim 2, further comprising a layer of an application of the protective layer that is formed on the opposite side of the metal foil layer. The three-dimensional seal according to any one of claims 1 to 3, wherein the angle at which the two surfaces forming the convex portion intersect is an angle in the range of 60 ° to 160 °. The three-dimensional seal according to any one of claims 1 to 4, wherein each of the two surfaces forming the convex portion is a flat surface or a curved surface. The three-dimensional seal according to any one of claims 1 to 4, wherein each of the two surfaces forming the convex portion includes two or more planes, two or more curved surfaces or a flat surface and a curved surface. The three-dimensional seal according to any one of claims 1 to 6, wherein the convex portion is composed of two or more convex portions. The three-dimensional seal according to claim 7, wherein the heights of the two or more convex portions are different. The three-dimensional seal according to any one of claims 1 to 8, wherein the top of the convex portion is a straight line or a flat surface. The three-dimensional seal according to any one of claims 1 to 9, further comprising a layer of PET sheet between the layer of UV resin and the layer of glue. A layer of UV resin containing at least a part of the convex portion is formed, and the layer is formed.
A layer of glue is formed on the side of the UV resin layer opposite to the convex portion.
A metal foil layer is formed on the side of the UV resin layer on which the convex portion is formed.
A protective layer is formed on the side of the metal foil layer opposite to the UV resin layer.
A method for manufacturing a three-dimensional seal, characterized in that a layer of application is formed on the side of the protective layer opposite to the layer of the metal foil.

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