JPH1170212A - Board surface decorative panel for game board and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a design in three dimensions, seen from the board surface by integrating a surface material of transparent plastics for forming the uppermost layer, a thermal deformation member of plastics having a low melting point or softening point temperature, and a thin film material adjacent thereto in which a three- dimensional pattern is formed. SOLUTION: A board surface decorative panel for a game board at least includes a surface material 2 formed of transparent plastics for forming the uppermost layer, a thermal deformation member 3 formed of plastics having a low melting point or softening point temperature than that of the surface material 2, and a thin film material 4 adjacent to the thermal deformation member, in which a three-dimensional pattern is formed. In manufacturing the decorative panel 1, the surface material 2, the thin film material 4 and a die member 5 are superposed, clamped between two, upper and lower hot press plates, and pressed to be integrated with each other while being heated. The heating condition is a temperature which is below the temperature for fusing the surface material 2 and the temperature for fusing the thermal deformation member 2, for example, 160 deg.C. After heating, the pressed materials are removed from the press plate and clamped between cooling plates to be cooled, and after that, the die member 5 is separated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative board attached to a board of a game board used for a pinball game machine such as a pachinko machine and other game machines.

[0002]

2. Description of the Related Art Conventionally, a decorative board of a game board is formed by diluting a colored ink with a pigment with a solvent and printing a pattern on a back surface of a transparent plate made of celluloid or acrylic resin by a method such as screen printing. The pattern was formed by forming a coating film in which a coat paint was applied to the entire back surface.

[0003]

In such a conventional decorative board, a design for attracting the attention of the customer is inevitably a simple two-dimensional plane pattern. The present invention has a design whose surface is 3
It is an object to provide means that can be formed dimensionally.

[0004]

Means for solving the above problems include, as described in the claims, at least a surface material made of a transparent plastic constituting the uppermost layer, and a melting point or softening point temperature of the surface material. Characterized by a heat-deformable member made of low-plastic and a three-dimensionally formed thin film material provided adjacent to the heat-deformable member, wherein these are integrated with each other, characterized in that they are integrated. And
The thin film material is provided with a mold member for providing a three-dimensional pattern and integrated, the mold member is formed of a coating film, and the lowermost layer is provided with a backing material for maintaining an adhesive force with a substrate. Integrated, the surface material is subjected to dye sublimation printing, the surface material is a polyester resin,
Polyamide resin, ethylene vinyl alcohol copolymer resin, polycarbonate resin, plastic selected from polyacrylonitrile resin, the heat deformable member is a polyolefin resin, a low melting polyamide resin, a low melting polyester Base resin, polyvinyl butyral resin, plastic selected from among the above, the thin film material is a metal thin film, metal vapor deposition film,
A metal foil powder-containing film, a pearl foil powder-containing film, a mica foil powder-containing film, a high-brightness thin film material selected from among them, and at least, a transparent plastic surface material constituting the uppermost layer; A heat deformable member made of plastic having a lower melting point or softening point temperature than a surface material and a layer including a thin film material with a three-dimensional pattern are laminated, and heated to cause the heat deformable member to flow and be integrated at the same time. , A method of manufacturing a board decorative board for a game board, and at least a surface material made of a transparent plastic constituting the uppermost layer, a heat deformable member made of a plastic having a lower melting point or softening point temperature than the surface material, and the heat deformable member Characterized by laminating a thin film material provided adjacent to a member and a layer including a mold member, heating the fluidized member to flow and simultaneously integrating the members. A method for manufacturing a decorative board, and at least a surface material made of a transparent plastic constituting the uppermost layer, a heat-deformed member made of a plastic having a softening point lower than the surface material, and a thin film provided adjacent to the heat-deformed member A method for manufacturing a decorative board for a game board, comprising: laminating a material and a layer including a mold member, heating and fluidizing the heat-deformable member to integrate them, and removing the mold member later. including.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The basic characteristics required for the surface material used in the present invention are that it has chemical resistance and can be cleaned with a solvent such as alcohol against dirt during use of the game board. Hard and not easily scratched by iron balls, not easily stained, good rolling of small balls, abrasion resistant, less abrasion to passing iron balls, increases durability of game board Is required.

Further, the surface material desirably has high heat resistance and a high melting point in order to maintain the smoothness of the surface in the heating step when integrating a plurality of layers. In addition, it is desirable that the transparency is high in order to impart a colored design pattern by forming a printed coating film similar to the conventional one on the back surface of the surface material, or the color development is high and the color is fast and robust to sublimation printing with dyes In order to obtain high printing quality, it is desirable that the plastic is dye-dyeable.

[0007] Surface materials suitable for such conditions include:
Polyester resin, polyamide resin, ethylene vinyl alcohol copolymer (EVOH) resin, polycarbonate (PC) resin, polyacrylonitrile (PAN)
Plastics selected from resins are preferred.

[0008] As the polyester resin, polyethylene terephthalate (PET) resin is preferable, and a biaxially stretched film is particularly preferable because it is excellent in transparency, dimensional stability, surface hardness, coating film forming printing, sublimation printing characteristics and the like. Applicable. As the polyamide resin, nylon 6, nylon 11, nylon 12, and a copolymer thereof,
Amorphous nylon, etc., are excellent in the above-mentioned properties together with EVOH resin, PC resin and PAN resin,
Preferably applicable.

Regarding the melting points of these resins, the polyester resins are 220 ° C. to 270 ° C., the polyamide resins are 160 ° C. to 230 ° C., and the EVOH resins are 160 ° C. to
190 ° C, 200 ° C to 260 ° C for PC resin, and PAN
The resin has a temperature characteristic of about 70 to 90 ° C. at the softening point. As the surface material of the decorative board of the present invention, it is necessary that the surface is not deformed even by subsequent heating and the surface is kept smooth, and a resin having a melting point of at least 150 ° C. or a resin having a melting point of at least 150 ° C. The above resins are preferred.

With respect to the thickness of the surface material, since the total thickness of the surface decorative board for a game board is generally within about 1 mm, the thickness of the surface material is in the range of 25 to 500 μm.

[0011] By applying a hard coat treatment to the surface of the surface material, it is possible to prevent scratches on the surface and improve abrasion resistance. Organic materials such as acrylic, inorganic materials such as silicon, and organic materials can be used. UV with inorganic compound type
It may be hard-coded by curing or baking.

Furthermore, by applying a siloxane-based surfactant or the like to the surface of the surface, an antistatic effect can be imparted to the surface of the surface material, and the adhesion of dirt can be reduced.

In the present invention, the surface material may be provided with a colored design pattern, and the same printing as that conventionally performed can be performed.
Known printing such as gravure printing can be applied. Usually, after printing a coloring pattern on the back surface of a transparent surface material, a white back coat is generally applied, and these can be seen through the transparent surface material.

Further, there is a method of imparting a penetrated image with a dye from the surface of a surface material by a method such as sublimation transfer printing with a dye. Using the sublimation transfer paper printed with the ink, the dye is transferred to the surface material while the printing surface of the sublimation transfer paper is in contact with the surface of the surface material and heated, and the transfer paper is peeled off and printed. The method can be preferably applied because the color concealing property is low and there is a sense of transparency.

In the present invention, printing on the surface material may be omitted, or may be carried out by using the above printing method in combination. In addition, if the printing on the surface material is appropriately selected and performed, the three-dimensional pattern and the printed pattern of the present invention are formed in a composite manner, so that the design as a decorative board can be greatly enhanced.

Next, the heat-deformable member of the present invention is provided adjacent to the thin-film material, and heat-deforms itself by the heat-pressing of the mold member, thereby deforming the thin-film material according to the mold member. It is a member having a function of forming a pattern. Therefore, the heat-deformable member is preferably a plastic having a softening point or a lower melting point than the surface material, and during heating, if the surface material is melted, the surface smoothness of the surface material cannot be maintained. It is necessary to use a substance having a lower melting point or softening point than the surface material, and a thermoplastic plastic is preferably applicable.

The heat deformable member of the present invention is preferably a plastic selected from a polyolefin resin, a low melting polyamide resin, a low melting polyester resin, and a polyvinyl butyral resin.

As the polyolefin resin, ethylene-vinyl acetate copolymer (EVA) resin [melting point: 60 to 113]
° C], polyethylene resins such as low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE) [melting point 100-140 ° C], ionomer resins [melting point 82-
99 ° C.].

Examples of other modified polyolefin resins include plastics obtained by graft-modifying maleic anhydride to a resin such as EVA, EEA (ethylene / ethyl acrylate copolymer), PE or PP (polypropylene). Or a plastic obtained by graft-modifying a modified silane to a resin such as EVA or EEA;
A, EEA and other resins graft-modified with maleic anhydride and modified silane,
There are plastics such as methacrylic acid copolymer (EMAA), ethylene / methyl methacrylate copolymer (EMMA), and ethylene / acrylic acid copolymer (EAA).

Further, as a copolymer with GMA (glycidyl methacrylate) having an epoxy group, ethylene / GMA copolymer, ethylene / GMA / vinyl acetate copolymer, ethylene / GMA / methyl acrylate There are also copolymers and plastics in which these copolymers are blended with a composition of polyolefin and copolyester. The above-mentioned polyolefin-based resins also have a melting point in the range of 50 to 140 ° C. and have good adhesion and moldability, and can be preferably used.

As the low-melting polyamide resin and the low-melting polyester resin, a low-melting resin [melting point of 80 to 130 ° C.], which is a copolymer of nylon and a copolymer of polyester, respectively, is preferable.

In addition, a polyvinyl butyral resin or a low-melting resin modified as an adhesive polymer including the resin is preferably applicable.

The melting point or softening point of the heat-deformable member is
A plastic having a melting point or softening point lower than at least the surface material is preferable, and a melting point of the surface material, which is related to the softening point, is preferably a plastic having a melting point of about 50 to 140 ° C, more preferably a melting point of 60 to 130 ° C. Certain plastics are preferred because of their good moldability.

Of the above, EVA resins are particularly low melting points and have good moldability, and have good adhesiveness and transparency, and can be preferably applied.

The thickness of the heat-deformable member is such that the member is hot-melt deformed to form a three-dimensional pattern on the thin film material, that is, the thickness is close to the shape of the mold member. Although not specified by the relationship, in order to obtain a board with a three-dimensional pattern visually recognizable, the thickness is preferably about 50 to 500 μm, more preferably about 100 to 250 μm, and the corresponding three-dimensional pattern is formed. It is good to attach.

Next, the thin-film material is positioned adjacent to the heat-deformable member and below the surface material, and follows the shape of the mold member. Therefore, those having excellent deformation conformity to irregularities are preferable, and those having higher heat resistance than the heat deformable member are preferable.

The thin film material is not particularly limited as long as the formed three-dimensional uneven pattern is colored, uncolored, printed, or the like, as long as the three-dimensional pattern can be seen through the transparent surface material and seen as a three-dimensional pattern. Resin films, paper materials, fabrics, non-woven fabrics, metal foils, etc., with design properties such as patterning can be applied,
These may be provided on the entire surface of the decorative plate or partially disposed, or a plurality of the above-described materials may be used in combination in the decorative plate.

Further, in order to obtain a three-dimensional pattern having a more three-dimensional appearance, the thin film material is made of a high-brightness thin-film material made of a material having a high brilliance, whereby the unevenness becomes clearer and the three-dimensional feeling becomes excellent. Three-dimensional pattern.

As the high-brightness thin film material, a high-brightness metal foil such as aluminum, bronze, chrome, nickel, gold, silver, and zinc, or a high-brightness metal thin film having a metal foil adhered to a substrate is preferable. Can adapt.

Similarly, it is a polyester, nylon, acrylic, EVOH, polyethylene (PE), polypropylene (PP) resin or the like, and is a metal-deposited film applied to a metal-depositable resin film, a hologram-like deposited film, or a fabric. A metal-deposited thin film or the like applied to a nonwoven fabric is also preferably applicable.

Alternatively, PE, PP, nylon, polyester, EVOH, ionomer, EVA, ABS
Including resin, such as metal foil powder, pearl foil powder, mica foil powder, mica foil powder coated with titanium dioxide, etc.
A high-brightness thin film material or the like made of the above-mentioned film containing high brightness by being contained in a resin can also be preferably applied.

As for the thickness of the thin film material of the present invention, the thinner the material, the better the deformation characteristics with respect to the mold member. However, in consideration of handleability and strength, a thickness in the range of 10 to 100 μm can be applied.
More preferably, the deformation characteristic is more preferably in the range of 15 to 50 μm.

Next, the mold member according to the present invention is a member for forming a three-dimensional pattern on the above-mentioned thin film material, and corresponds to a three-dimensional pattern such as characters, patterns, contours, and irregularities that can be seen through from the surface of the surface material. It is a shaping member.

The mold member is made of a material having higher heat resistance than at least the heat deformable member so that the heat deformable member is used to deform the thin film material by utilizing the above-mentioned heat deformable member. Preferably, it is a material. It is not specified as a material, for example, thermoplastic, thermosetting plastic, or natural fiber, synthetic fiber, woven or non-woven fabric of inorganic fiber, and paper, metal, wood, cork, or these It is one having a printed coating film formed thereon, and is preferably applicable.

When these materials are used as a mold member, a convex shape can be obtained by using a material cut into a desired shape, and a concave pattern can be obtained by using a perforated sheet obtained by cutting off a desired shape portion. If these are combined and applied, a concavo-convex pattern can be obtained at the same time. Furthermore, if these materials are used as they are in a sheet form, for example, in the case of woven fabric, nonwoven fabric, paper, etc., a woven pattern pattern on the surface or a fine uneven pattern can be expressed on the entire surface.

Depending on the selection of the mold member, a plurality of uneven patterns can be provided. For example, if a woven fabric or a non-woven fabric is selected for the mold member to obtain a character-shaped three-dimensional pattern, Three-dimensional patterns such as a woven pattern of a woven fabric and fine irregularities are simultaneously formed on the surface of the character, and a double three-dimensional pattern can be obtained.

As another mold member, a mold member formed by coating a desired pattern with a known printing means such as silk printing on the surface of the above material may be used, or a metal member having a desired pattern may be formed. A mold member may be formed by patterning with a method such as heating, pressurizing, casting using a mold, and these may be different from methods such as cutting out, so that a fine or complicated pattern can be expressed, and it can be molded more efficiently. Preferably applicable.

Here, when the mold member is formed by a coating film, in addition to a known printing film such as silk printing, offset printing, and gravure printing, a spray coating film,
Known means for forming a coating film such as an electrostatic coating film can be applied, and the formation of a coating film is preferable because it can be carried out efficiently without selecting a base material. Although a three-dimensional pattern can be formed on the thin film material if the thickness is approximately in the range of 1 to 500 μm, a thickness in the range of 50 to 400 μm is more preferable in order to efficiently obtain a clear three-dimensional pattern.

The mold member may be used as a member of a decorative panel, or may be used only at the time of molding, and may be separated after molding and used repeatedly for each molding. In consideration of the later adhesion with the main body base, it is desirable to integrate the decorative board with the decorative board and to form the entire back surface flat.

Next, the backing material is a member that functions to maintain the adhesive strength to the base when the board surface decorative board of the present invention is used for the game board main body, and the base of the main body is usually a wooden plywood. And a vinyl acetate adhesive is used. Therefore, a material with favorable adhesiveness with these is selected,
Paper materials, woven or non-woven fabrics of synthetic fibers, or appropriate plastics such as melamine or phenol can also be applied. Among them, a nonwoven fabric having a higher interlayer strength than a paper material is preferred, and a vinylon-based nonwoven fabric is particularly preferred because it has good adhesion to the main body substrate.

Next, as an adhesive aid used in the present invention,
Various types of thermoplastic and thermosetting adhesives can be preferably applied regardless of the liquid or film form. In particular, a thermoplastic adhesive film made of an olefin resin such as polyethylene, EVA, or ionomer is preferable. More preferably, it is an adhesive polyolefin resin, and a resin film of polyethylene, EVA, PP or the like obtained by graft polymerization of maleic anhydride can be preferably applied. Also, a resin film made of the same plastic or the like as the above-mentioned heat deformable member has good adhesiveness and can be preferably used. As its thickness,
It is intended for the purpose of bonding between the members and is preferably formed thin, preferably in the range of 20 to 100 μm, more preferably in the thickness of 30 to 80 μm, which can be used with good moldability. If necessary, a plurality of layers may be used between arbitrary layers.

The method for manufacturing a decorative board for a game board according to the present invention is characterized in that a surface material made of at least a transparent plastic, a heat deformable member made of a plastic having a melting point or a softening point lower than that of the surface material, The thin film material provided as above is superimposed on the mold member, and heated and pressed at a temperature not higher than the melting temperature of the surface material and higher than the melting temperature of the heat deformable member. Is melted and fluidized, and at the same time, the thin film material is also deformed, so that the thin film material is integrated while forming a three-dimensional pattern.

More specifically, each member is sandwiched between two upper and lower hot press plates whose temperature can be controlled, and is formed by applying heat and pressure.
The heating temperature and the pressing force differ depending on the temperature characteristics of each member and are appropriately determined. However, the heating is performed under pressure at least at a temperature at which the surface material melts and at a temperature at or above the temperature at which the thermally deformable member melts. Further, it can be efficiently performed by a known hot-press molding such as a multi-stage press.

That is, under the temperature conditions, the thermally deformable member can be easily melted, and can be flow-deformed following the mold member by pressing pressure from above and below.

Further, since the thin-film material provided adjacent to the heat-deformable member is also a thin film, it can be softened and extended by heating, and bends and deforms along with the heat-deformable member in accordance with the mold member. It is possible to faithfully follow the shape of the member, and it is possible to impart a three-dimensional pattern to the thin film material.

The heating temperature is a temperature at which the heat deformable member is melted, and is equal to or lower than the temperature at which the surface material is melted. Therefore, the surface material can be formed without melting deformation and without impairing the smoothness of the surface material. Thus, a board decorative board for a game board having a three-dimensional pattern with a smooth surface can be obtained.

In the method of manufacturing a decorative board for a game board according to the present invention, various members and a mold member are simultaneously laminated and formed. The mold member is formed so as to be integrated with the decorative board itself. Alternatively, a decorative plate may be obtained in which the mold member is detached after being formed by overlapping. In the latter case, if the material of the mold member is examined, it can be reused for each molding.

Further, it is also possible to obtain a three-dimensional pattern by previously deforming the thin film material three-dimensionally without using a mold member, and applying pressure and heating together with the heat deformable member.

Further, in the method of manufacturing a decorative board for a game board according to the present invention, a backing material for maintaining an adhesive strength with a main body base is simultaneously superimposed on the lowermost layer of each of the above-mentioned members and molded. Alternatively, any other members may be stacked and integrated.

Further, in the method of manufacturing a decorative board for a game board according to the present invention, since the surface of the surface material is subjected to sublimation printing with a dye, the printed surface of the sublimation transfer paper is brought into contact with the surface of the surface material. After the sublimation transfer paper is peeled off after being set up and integrated with the molding, the surface material can be simultaneously subjected to sublimation printing with a dye.

[0051]

Embodiment 1 FIGS. 1 and 2 are partial sectional views of an embodiment of the present invention. FIG. 1 is a sectional view of a finished decorative board for a pachinko game board, and FIG. It is sectional drawing which shows a state. Reference numeral 1 denotes a decorative board, 2 denotes a surface material, 3 denotes a heat deformable member, 4 denotes a thin film material, and 5 denotes a mold member.

In this embodiment, a polyethylene terephthalate (PET) resin is used as the transparent plastic surface material 2 constituting the uppermost layer. The film used in this example is a flat film having good transparency and a thickness of 188 μm, obtained by extrusion molding and subjected to biaxial stretching, and having excellent chemical resistance and abrasion resistance. And the melting point is as high as 260 ° C., and the surface smoothness is not impaired even when integrated with other members by heating. In the present invention, the surface material may be smooth as long as it does not affect the movement of the small balls,
A printed pattern may be provided.

As the heat deformable member 3, an EVA resin film having a melting point of 72 ° C. lower than that of the surface material 1 is used. In this example, a 150 μm thick transparent flat material obtained by extrusion molding is used. Using a good film. This resin has excellent heat deformation characteristics with respect to the mold member 5 and has good adhesion to the thin film material 4. Further, in the present invention, in order to have different design properties, the heat deformable member and the thin film material may be partially provided with a gap, or may be provided between the surface material and the heat deformable member. Is also good.

As the thin film material 4, an aluminum foil having a thickness of 20 μm is used in this example. The thin film material 4 is provided adjacent to the heat deformable member 3, and since the metal foil has good extensibility, a fine uneven pattern can be formed.

The mold member 5 is for forming a three-dimensional pattern on a thin film material. In this example, a member having a convex pattern formed on the surface of an aluminum plate is used. The height of the three-dimensional pattern in this example is
It is about 100 μm. The mold member is not limited to metal,
The board itself may be irregularly deformed, or a board cut out from a pattern.Any material such as woven fabric or paper made of fiber may be used. Absent.

In order to manufacture the decorative board 1 using these materials, the members 2 to 5 are superimposed, sandwiched between two upper and lower hot press plates, and pressurized while being heated to be integrated. The heating was performed at 160 ° C., which is lower than the temperature at which the surface material 2 melts and which is the temperature at which the heat deformable member 2 melts. The pressurizing condition was 2 kg / square cm, and after heating for 5 minutes, it was taken out from the press plate, cooled between cooling plates, and then the mold member 5 was peeled off to produce the decorative plate 1. Since the obtained decorative board has a three-dimensional pattern with high luster, when viewed from the front side,
The pattern is remarkably three-dimensional.

An irregular pattern made of aluminum foil is formed on the back surface of the decorative board of the present embodiment, but it can be easily adhered to the main board of the game board as it is with an epoxy resin adhesive or the like. Further, it may be a decorative plate on which a backing material is stuck. Further, in this example, the mold member can be reused each time it is formed, but may be formed using a thin film material in which a three-dimensional pattern is formed in advance without using the mold member. This is possible with a thin film material.

[0058]

Embodiment 2 FIGS. 3 and 4 are partial cross-sectional views of another embodiment of the present invention. FIG. 3 is a cross-sectional view of a finished decorative board for a pachinko game board, and FIG. It is sectional drawing which shows the state of a raw material. Reference numeral 11 denotes a decorative board, 12 denotes a surface material,
13 is a heat deformable member, 14 is a thin film material, and 15 is a mold member.

In this embodiment, nylon 12 is used as the transparent plastic surface material 12 constituting the uppermost layer.
Resin is used. The film used in this example is a flat film having good transparency and a thickness of 200 μm obtained by extrusion molding. As above, it has excellent chemical resistance and abrasion resistance, has a sufficient surface hardness, has a high melting point of 165 ° C., and does not impair the surface smoothness even when integrated with other members by heating.

As the heat deformable member 13, an ionomer resin film having a melting point of 99 ° C. lower than that of the surface material 11 is used. In this example, a transparent and flat film having a thickness of 250 μm obtained by extrusion molding. You are using This resin has excellent heat deformation characteristics with respect to the mold member 15 and has good adhesion to the metal deposition surface of the thin film material 14.

As the thin film material 14, in this example, a metal-deposited film obtained by subjecting a 25-μm-thick polyethylene resin to vacuum deposition of aluminum is used.

In this example, the mold member 15 is made of a 200 μm-thick ultra-high molecular weight polyethylene cut out into a desired design pattern.

In order to manufacture the decorative board 11 using these materials, 12 to 15 members are superimposed, sandwiched between two upper and lower hot press plates, and pressurized while being heated to be integrated. The heating was performed at 140 ° C. Pressurizing condition is 2kg
After heating for 5 minutes, the sheet was taken out from the press plate, sandwiched between cooling plates and cooled to produce a decorative plate 11. In this example, a mold member for forming a three-dimensional pattern is
1, the polyethylene of the thin film material and the polyethylene of the mold member are heat-sealed by heating to form a decorative panel with the entire body and a smooth back surface, and easy and reliable adhesion with the main body base. To

[0064]

Embodiment 3 FIGS. 5 and 6 are partial cross-sectional views of another embodiment of the present invention. FIG. 5 is a cross-sectional view of a finished decorative board for a pachinko game board, and FIG. It is sectional drawing which shows the state of a raw material. Reference numeral 21 denotes a decorative board, 22 denotes a surface material,
23 is a heat deformable member, 24 is a thin film material, 25 is a mold member, 2
Reference numerals 6 and 27 denote adhesive aids, and reference numeral 28 denotes a backing material.

In this embodiment, as the surface material 22 constituting the uppermost layer, the same PET resin as described above is used. The one used in this example has a thickness of 188 μm and a melting point of 260 ° C.

As the heat-deformable member 23, an EVA-based resin film having a melting point of 72 ° C. as described above is used. In this example, a transparent and flat film having a thickness of 150 μm is used.

As the thin film material 24, in this example, a metal-deposited film having a thickness of 15 μm obtained by subjecting an EVOH resin to vacuum deposition of aluminum is used.

In this example, a non-woven fabric made of a 250 μm-thick polyester fiber cut out into a desired design pattern is used as the mold member 25. This mold member has high heat resistance, good workability of die cutting, and can be preferably used. Further, since it is a non-woven fabric, it has elasticity and has a cushioning property for the thin and low-strength thin film material 24. On both sides adjacent to this mold member,
Adhesive polyethylene films 26 and 27 each having a thickness of 50 μm are provided as an adhesion assistant.

Here, the mold member 25 is of a fragmentary shape cut out into a desired design shape, but when the whole is integrally formed, the mold member 25 is placed at an appropriate position on the decorative plate.
May be difficult to position accurately. As an example of the solution, a mold member 25 in which a mold member 25 is previously mounted on a base material having the same outer dimensions as other members may be used as the mold member, or silk printing or the like may be performed on the base material. A printed member having the same design as that of the mold member 25 may be used as the mold member. Further, when applied to this embodiment, if the substrate is made of a polyester nonwoven fabric or a PET resin film, etc., it can be easily formed integrally.

The lowermost layer is provided with a backing material 28 for maintaining the adhesive strength with the main body base. In this example, a nonwoven fabric of 250 μm thick vinylon fiber is used. Stable adhesion to vinyl acetate-based adhesives often used for

In order to manufacture the decorative board 21 using these materials, the members 22 to 28 are superposed and integrated by applying pressure while heating as described above. Heating condition is 160
C. Also in this example, the mold member for forming the three-dimensional pattern is integrated with the decorative plate 21, and the decorative member can be a decorative plate in which the whole is integrated, the front and back surfaces are smooth, and the three-dimensional pattern inside can be seen through. Ensures easy and secure bonding.

[0072]

Embodiment 4 FIGS. 7 and 8 are partial cross-sectional views of another embodiment of the present invention. FIG. 7 is a cross-sectional view of a finished decorative board for a pachinko game board, and FIG. FIG. 3 is a cross-sectional view showing the state of the material. Reference numeral 31 denotes a decorative board, 22 denotes a surface material, 23 denotes a heat deformable member, 24 denotes a thin film material, 35 denotes a mold member,
26 and 27 are bonding aids, and 28 is a backing material.

This example has the same configuration as that of the third embodiment, except that a transparent polyester resin is used as the mold member 35.
The positions of the mold member and the thin film material are reversed from those in Example 3,
In this example, the method of forming a three-dimensional pattern using a thin film material is reversed.

[0074]

Embodiment 5 FIG. 9 is a partial cross-sectional view of another embodiment of the present invention, showing a cross-sectional view of a finished decorative board for a pachinko game board. The decorative plate 41 of this example is formed by the same method as that of the third embodiment, but is an example in which the surface material is subjected to sublimation printing 29 using a dye. By performing sublimation printing in addition to the three-dimensional pattern using the thin film material, a complicated and diversified design can be formed.

In the decorative plate of this embodiment, since the surface material is subjected to sublimation printing using a dye, unlike the conventional decorative printing which forms a coating film, the dye becomes a gas at the time of printing (sublimates).
Since it penetrates from the surface of the plastic to the inside and is fixed to the inside of the plastic, it has high transparency and high color development, so that a colored pattern can be simultaneously provided without impairing the three-dimensional pattern of the board decorative board.

At the same time, since the printed pattern made of the dye penetrates from the surface to the inside, it does not easily disappear even when the surface of the board is scratched from the surface or abrasion caused by the passage of small balls, and the printing pattern has high durability. Can be a pattern,
It is most suitable as a board for a game board.

The dye sublimation printing in this embodiment is performed by using a sublimation transfer paper which has been printed with an ink containing a dye added to a base material such as a paper material in advance to be a transfer paper. The printing surface was placed in contact with the surface of the surface material, and after substituting and forming the respective members in the same manner as described above, the sublimation transfer paper was peeled off, and the surface material was simultaneously subjected to dye sublimation printing. Things.

As another method, it is possible to integrally mold using a surface material which has been subjected to dye sublimation printing on the surface or the back surface of the surface material in advance, or to apply a surface material having a back surface printed by forming a coating film. The used one may be used.

[0079]

The decorative board of the present invention has good transparency, excellent oil resistance, abrasion resistance, and chemical resistance, and has excellent characteristics as a decorative board for a game board. In particular, the present invention has an advantage that a design with an outstanding three-dimensional effect can be obtained in a game board. Further, by combining the three-dimensional pattern and printing, there is a feature that various and complicated arbitrary designs that attract the interest of the player can be obtained. Also, while a remarkable three-dimensional effect can be obtained, the front and back surfaces can be smooth and strong decorative boards can be obtained.
For example, there are many advantages such as easy and strong adhesion when manufacturing a game board without impairing the function as a game board such as a pachinko board.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a completed decorative board for a pachinko game board according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state of a raw material before forming and integrating according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of a completed decorative board for a pachinko game board according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view showing the state of the raw material before forming and integrating according to the embodiment of the present invention.

FIG. 5 is a cross-sectional view of a completed decorative board for a pachinko game board according to an embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a state of a raw material before formation and integration according to the embodiment of the present invention.

FIG. 7 is a cross-sectional view of a completed decorative board for a pachinko game board according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view showing a state of a material before forming and integrating according to the embodiment of the present invention.

FIG. 9 is a cross-sectional view of a completed decorative board for a pachinko game board according to an embodiment of the present invention.

[Explanation of symbols]

 1 is a decorative plate, 2 is a surface material, 3 is a heat deformable member, 4 is a thin film material, 5 is a mold member, 11 is a decorative plate, 12 is a surface material, 13 is a heat deformable member, 14 is a thin film material, and 15 is a mold. Member, 21 is a decorative board, 22 is a surface material, 23 is a heat deformable member, 24 is a thin film material, 25 is a mold member, 26 is an adhesion aid, 27 is an adhesion aid, 28 is a backing material, 35 is a mold member, 41 is a decorative board.

Claims (11)

[Claims] 1. A surface material made of at least a transparent plastic constituting a top layer, a heat deformable member made of plastic having a lower melting point or softening point than the surface material, and a three-dimensional pattern provided adjacent to the heat deformable member. A decorative board for a game board, characterized by having a thin film material formed with, and being integrated with each other. 2. A decorative board for a game board according to claim 1, wherein a mold member for giving a three-dimensional pattern is provided on said thin film material and integrated. 3. A decorative board for a game board according to claim 2, wherein said mold member has a coating film formed thereon. 4. The board decorative board for a game board according to claim 1, wherein a backing material for maintaining an adhesive strength with a base is provided at a lowermost layer and integrated. 5. The decorative board for a game board according to claim 1, wherein the surface material is subjected to sublimation printing with a dye. 6. The surface material according to claim 1, wherein the surface material is a plastic selected from a polyester resin, a polyamide resin, an ethylene vinyl alcohol copolymer resin, a polycarbonate resin, and a polyacrylonitrile resin. A decorative board for a game board according to any one of the above. 7. The heat deformable member is a plastic selected from a polyolefin resin, a low melting polyamide resin, a low melting polyester resin, and a polyvinyl butyral resin. A decorative board for a game board according to the above. 8. The high-brightness thin film material selected from the group consisting of a metal thin film, a metal-deposited film, a metal foil powder-containing film, a pearl foil powder-containing film, and a mica foil powder-containing film. The board decorative board for a game board according to any one of claims 1 to 7, characterized in that: 9. A laminate comprising at least a surface material made of a transparent plastic constituting the uppermost layer, a heat deformable member made of a plastic having a lower melting point or softening point than the surface material, and a layer containing a thin film material with a three-dimensional pattern. And heating the heat-deformable member so that the heat-deformable members flow and are integrated at the same time. 10. A surface material made of at least a transparent plastic constituting the uppermost layer, a heat deformable member made of plastic having a lower melting point or softening point than the surface material, and a thin film material provided adjacent to the heat deformable member. And laminating a layer including a mold member, heating the heat deformable member to flow, and simultaneously integrating the heat deformable member, thereby manufacturing a board surface decorative board for a game board. 11. A surface material made of at least a transparent plastic constituting the uppermost layer, a heat deformable member made of plastic having a lower melting point or softening point than the surface material, and a thin film material provided adjacent to the heat deformable member. And laminating a layer including a mold member, heating the heat-deformable member to flow and integrate the heat deformable member, and removing the mold member later.