JP2009172998A - Decorated molded article of synthetic resin - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To create a constitution for decoration capable of realizing a uneven pattern formed on a molded article in a more three-dimensional and high grade visual effect. <P>SOLUTION: A printed coated film is formed by using a printer with on-demand printing function on a given region on back side of a transparent substrate made of a synthetic resin, an uneven pattern is formed by using a formed part and a nonforming part of the printed coated film, furthermore a decorative layer with a reflecting face on the backside of the substrate or a decorating member is arranged as laminated in a region containing a forming part and nonforming part on the back side of the substrate, or a pattern is formed by an etched concave part formed like engraved leaving the flat part on circumference and then a pattern is formed by engraved concave. The first decorating layer is made by forming a printed film with an on-demand printer on a flat part removing the etched concavity in a given region. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a decorative synthetic resin molded product in which an uneven pattern is formed.

In the product field for cosmetics, there is a demand for a decoration method for imparting a high-class feeling and a differentiated eye-catching effect by packaging.
As one of such decoration methods, a decoration method that provides a visual effect such that a foil film is formed on the surface of a molded product using a hot stamp method and a design having a metallic luster appears three-dimensionally. There is. There is also a decorating method in which letters and designs are raised on the surface of the molded product by thick-wall printing, etc., and the container is finished with a high-grade appearance.
JP 2001-058463 A

  However, the conventional hot stamping method and thick-wall printing are still unsatisfactory in terms of insufficient three-dimensional visual effect and high quality texture.

  This invention makes it a subject to create the structure for the decoration which can make the uneven | corrugated pattern formed in the molded article appear with a more three-dimensional and high-definition visual effect.

The 1st main structure which concerns on the decorative synthetic resin molded product of this invention for solving the said subject is
Forming a printed coating film on a predetermined area of the back surface of a synthetic resin substrate having transparency by a printing machine having an on-demand printing function;
Forming a concavo-convex pattern by the formation part and non-formation part of this printed coating film,
Furthermore, it is said that a decorative layer or a decorative member having a function as a reflective surface is disposed on the back surface side of the base material in a stacked manner in a region including a formed portion and a non-formed portion of the printed coating film. .

In the above configuration, a printing machine having an on-demand printing function (hereinafter referred to as an on-demand printing machine) refers to a pattern previously stored in a computer, such as an inkjet printing machine, a sublimation printing machine, or a thermal transfer printing machine. A printer capable of forming a printed coating film on a substrate.
According to such a printing machine, it is possible to form a delicate printed coating film with high quality at a predetermined position while aligning with high accuracy on the back surface of the synthetic resin base material.
Also, the printed coating film can be a full color as well as a single color.
Further, since there is no need to produce a printing plate or the like, it is possible to easily form a printed coating film in various patterns depending on the purpose of decoration.

And the light is reflected by the reflective surface by the decorative layer or the decorative member arranged in a stacked manner in the region including the formed part and the non-formed part on the back side of the base material, and the transparent base material Combined with the optical effect of the above, it is possible to add a metallic luster to the concavo-convex pattern formed by the formed portion and the non-formed portion to make it appear deeply and three-dimensionally.
Here, the above-described on-demand printing machine can perform overprinting multiple times with high accuracy. By thickening the printed film by such overprinting, the design is further deeply engraved and three-dimensional. Can appear.

  According to another configuration of the present invention, in addition to the first main configuration, a transparent decorative layer having transparency is laminated on the formation portion of the printed coating film.

  By laminating a transparent decorative layer on the formation portion of the printed coating film with the above configuration, that is, a decorative layer or a decorative member having a function as a printed coating film and a reflective surface (hereinafter, function as a reflective surface) The decorative layer and the decorative member may be collectively referred to as a reflective layer.) By laminating the transparent decorative layer between the transparent substrate and the optical of the transparent decorative layer Combined with the action, a more three-dimensional visual effect can be produced.

  Still another configuration of the present invention is that, in addition to the first main configuration, a transparent decorative layer is laminated in a predetermined region including a printed coating film forming portion and a non-forming portion.

With the above configuration, since the reflective layer is laminated or stacked on the formed part and the non-formed part of the printed coating film via the transparent decorative layer, the optical action of the transparent base material and the transparent decorative layer In combination with this, it becomes possible to make the uneven pattern formed by the formed part and the non-formed part of the printed coating appear more three-dimensionally.
In addition, by making the transparent decorative layer colored and transparent, it is possible to add a change in color to the uneven pattern.

  Still another configuration of the present invention is that a decorative layer having a function as a reflective surface is formed by a vapor deposition film in a region including a formed portion and a non-formed portion of a printed coating film.

The said structure comprises a reflective surface with a vapor deposition film, This decoration layer can be formed by a vacuum evaporation method.
According to the vacuum vapor deposition method, the reflective surfaces can be stacked along the unevenness formed by the formation portion and the non-formation portion of the printed coating film, and the unevenness appearance can be revealed with higher quality.

Still another configuration of the present invention is that a decorative member having a function as a reflective surface is used, and the reflective surfaces are arranged in a stacked manner on the back surface side of the substrate.
In addition, in the said structure, the stacking aspect to the back surface side of the base material of a decorating member is not limited to the aspect which stuck the decorating member to the printed coating film, the transparent decorating layer, and the base material back surface. It can also be set as the aspect which formed the clearance gap between the printed coating film, the transparent decoration layer, and the base-material back surface.

In addition, the decorative member can be prepared in various modes such as a metal plate piece, a metal thin film piece, and a synthetic resin molded product in which a metal thin film such as a vapor deposition film is formed on the surface.
Further, the reflecting surface is not limited to a mirror surface that completely reflects light, but can also be semi-reflective that allows part of the light to pass.
In addition, the reflective surface can be stacked over the entire area or can be partially stacked, and can be stacked in close contact with the base material, with a slight gap for further optical effects. It is also possible to stack.

The second main configuration relating to the decorative synthetic resin molded product of the present invention is as follows:
Forming a pattern with a flat portion in a predetermined region on the back surface of a synthetic resin base material having transparency, and an engraved concave portion formed in an engraving shape leaving the flat portion in the periphery;
Forming a printed coating film on an on-demand printing machine on a flat portion excluding the engraved concave portion in a predetermined area to be a first decorative layer;
It is in.

  It has transparency due to the first decorative layer consisting of a sculpture-like pattern formed by the flat part and the engraved concave part and a printed coating film selectively formed only on the flat part excluding the engraved concave part. Combined with the optical effect of the base material, the design can be deeply and three-dimensionally displayed.

  Here, according to the on-demand printing machine, even a delicate shape can form a printed coating film while aligning with high accuracy, and the engraved pattern formed by the flat part and the engraved concave part is fine. Even in the fine case, the first decorative layer can be formed with high accuracy without shifting along the pattern only on the flat part excluding the engraved concave part, and the three-dimensional visual effect can be displayed with high quality. Can do.

In addition to the second main configuration, the other configuration of the present invention includes:
A first layer comprising at least one film selected from a coating film and a vapor deposition film in a region including the flat portion and the engraved concave portion along the uneven shape related to the flat portion and the engraved concave portion on the first decorative layer. It is said that two decorative layers are laminated.

  According to the said structure, a pattern is formed with the flat part which laminated | stacked the 1st decoration layer and 2nd decoration layer which consist of a printing coating film, and the engraved recessed part which laminated | stacked only the 2nd decoration layer. However, due to the difference in these lamination modes, the shade, color density, metallic luster and surface texture of the flat part and the engraved concave part are changed to give a delicate shadow to the sculpture-like pattern, The gloss can be changed slightly, and the optical effect of the transparent base material can be combined to make the design more sculpted and more three-dimensional, as well as tint, coloring concentration, metal High-quality decoration can be realized by delicately changing gloss or texture.

Here, the second decorative layer is composed of at least one film selected from a coating film and a vapor deposition film. In addition to being formed as a single film, for example, a transparent colored coating film + vapor deposition film Thus, it is possible to select to form a plurality of films, and the difference in decoration between the flat portion and the engraved concave portion can be set in various manners.
In addition, the first decorative layer and the second decorative layer can be formed of the same color system coating film to slightly change the coloring density of the flat portion and the engraved concave portion.

In addition, although the coating film of a 2nd decoration layer can also be formed with the printing machine which has an on-demand printing function similarly to a 1st decoration layer, it forms in the area | region containing a flat part and an engraved recessed part. Since it is a thing, it can form with a normal coating method.
The vapor deposition film can be formed by a method such as a vacuum vapor deposition method.

  According to still another configuration of the present invention, in addition to the second main configuration, a decorative member having a reflective surface is used, and the reflective surfaces are arranged in a stacked manner on the back surface side of the base material. is there.

According to the above configuration, the pattern can be more three-dimensionally and more complicatedly displayed by the optical effect of the reflected light from the reflecting surface of the decorative member arranged in a stacked manner on the back surface side of the base material. it can.
In addition, the stacking | stacking aspect to the back surface side of the base material of a decorating member is the aspect which made the decorating member contact | adhere to the 1st decorating layer or 2nd decorating layer formed in the flat part by the said structure. It is not limited to, It can also be set as the aspect which formed the clearance gap between the 1st decorating layer or the 2nd decorating layer.

In addition, the decorative member can be prepared in various modes such as a metal plate piece, a metal thin film piece, and a synthetic resin molded product in which a metal thin film such as a vapor deposition film is formed on the surface.
Further, the reflecting surface is not limited to a mirror surface that completely reflects light, but can also be semi-reflective that allows part of the light to pass.
In addition, the reflecting surfaces can be stacked over the entire predetermined region or can be partially stacked.

The decorated synthetic resin molded product of the present invention has the above-described configuration, and has the following effects.
In what has the 1st main structure, the uneven | corrugated pattern by the formation part and non-formation part of a printing coating film, reflection of the light from the reflective surface by a decoration layer or a decoration member, and transparency Combined with the optical effects of the substrate, the design can be deeply and three-dimensionally displayed with a metallic luster.

  In addition, this printed coating film is formed by an on-demand printing machine, and a printed coating film can be formed at a predetermined position on the back surface of the base material while aligning a delicate shape with high accuracy. Can be full-color, can be thickened by overprinting, can easily handle a wide variety of patterns, combined with the above three-dimensional visual effects, high-quality and diverse decoration Sex can be imparted.

  Furthermore, in what has a transparent decoration layer between a reflective layer and the formation part of a print coating film, or both a formation part and a non-formation part, a transparent base material and a transparent decoration layer of Combined with the optical action, the uneven pattern formed by the formed part and the non-formed part of the printed coating film can appear more three-dimensionally.

  In what has the 2nd main structure, the on-demand printing machine selectively formed only in the flat part except the engraving-like pattern formed by the flat part and the engraved recessed part, and the engraved recessed part With the first decorative layer made of the printed coating film, the pattern can be more sculpted and three-dimensionally combined with the optical effect of the transparent substrate.

  Moreover, according to the on-demand printing machine, it is possible to form a printed coating film while aligning delicate shapes with high accuracy, and the engraved pattern formed by the flat part and the engraved concave part is fine and fine. Even in this case, the first decorative layer can be formed with high accuracy without shifting along the design only on the flat portion excluding the engraved concave portion, and a three-dimensional visual effect can be displayed with high quality. .

  Furthermore, in the case of forming the second decorative layer, the pattern can be made deeper and more three-dimensionally displayed, and the hue, coloring concentration, metallic luster or texture can be changed delicately. High-quality decoration can be realized.

  In addition, in the case where a reflective surface is provided on the back surface side of the base material, the design can be made to appear more three-dimensionally and complicatedly due to the optical effect of the reflected light from the reflective surface.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below along the examples with reference to the drawings.
1 and 2 show a cosmetic container 1 which is a first embodiment of the decorative synthetic resin molded product of the present invention. This cosmetic container 1 is a synthetic resin molded product and has a configuration in which a container body 2 and a lid 3 are hinged. The lid 3 is made of a transparent synthetic resin, and a design 5 in which characters “ABC” are designed on the back surface is formed. The design 5 can be seen from the front side through a transparent base material 11.

  FIG. 3 shows a cross-sectional view of the lid 3 in the vicinity of the symbol 5. In the lid 3, a printed coating film 30 is formed on the back surface of the transparent base material 11 by an ink jet printer representative as an on-demand printing machine, and “ABC” is formed by the forming portion 14 and the non-forming portion 15 of the printed coating film 30. "5" is formed.

And the vapor deposition film 32 by a vacuum vapor deposition method is laminated | stacked on the whole predetermined area | region containing the said formation part 14 and the non-formation part 15 along an uneven | corrugated shape, the decorating layer 20 is formed, and the function as a reflective surface is exhibited. .
When the lid 3 is viewed from the front side, only the portion of “ABC” as the pattern 5 is colored while the periphery has a metallic luster, and the light refraction effect by the transparent base material 11 is also combined. Thus, a three-dimensional visual effect such that the character “ABC” which is the colored symbol 5 is raised is exhibited.

  Next, FIG. 4 shows the 2nd Example of the decorative synthetic resin molded product of this invention, and is a top view of the cover body 3 of a compact container. As shown in FIG. 4, a turtle shell-like design is made to appear by the formation part 14 and the non-formation part 15 of the black printed coating film 30.

  FIG. 5 is a longitudinal sectional view taken along line BB in FIG. In this lid 3, a black printed coating film 30 is formed on the back surface of the colorless and transparent base material 11 by an ink jet printer, and the coating film 30 is colorless by painting along the irregularities formed by the forming portion 14 and the non-forming portion 15 of the printing coating film 30. The transparent decorative layer 23 is formed, and a vapor deposition film 32 is laminated on the entire predetermined region including the formed portion 14 and the non-formed portion 15 along the unevenness of the transparent decorative layer 23 by this method. The decorative layer 20 having a function as a reflecting surface is formed by the vapor deposition film 32.

Then, when the lid 3 of the second embodiment is viewed from the front side, the colorless and transparent base material 11 is seen through the formation portion 14 of the black printed coating film 30 and the non-formation portion 15 having a metallic luster. A delicate pattern using fine lines is formed with high precision by the printed coating film 30 by on-demand printing, and a slight unevenness by the forming part 14 and the non-forming part 15 is transparent. The refraction effect of light by the base material 11 and the transparent decorative layer 23 is combined, and a three-dimensional visual effect appears as if a delicate pattern with metallic luster is highlighted, It is high quality and exhibits a unique decoration effect that has never been seen before.
Here, according to on-demand printing, the printed coating film 30 can be printed many times with high accuracy and printed to form a thick wall, and a delicate pattern can be more three-dimensionally displayed. Furthermore, it is possible to change the number of times the printed coating film 30 is printed with high accuracy along the design, and it is possible to reveal an uneven feeling in which the height slightly changes with high quality.

In the above embodiment, the printed coating film 30 is black and the transparent decorative layer 23 is colorless and transparent so that a monotone color appears. Of course, the printed coating film 30 and the transparent decorative layer are formed. It is also possible to change the color of 23 to a design of various colors.
Further, the transparent decorative layer 23 may be translucent, and a different optical effect can be exhibited.

Next, FIG. 6 is a longitudinal sectional view showing another decoration aspect of the decorative synthetic resin molded product of the present invention. In this example, as in the decoration mode shown in FIG. 5, an uneven pattern is revealed by the formation part 14 and the non-formation part 15 of the black printed coating film 30. The point which laminated | stacked the decoration layer 23 only on the printing coating film 30, and laminated | stacked the thin-plate-shaped decorating member 25 which has a reflective surface on the back surface side of the base material 11 instead of the vapor deposition film 32 differs.
The decorating member 25 is formed by laminating a deposited film 25b on one side of a transparent synthetic resin sheet 25a to form a reflecting surface.

  Next, FIG. 7 is a longitudinal sectional view showing still another decoration aspect of the decorative synthetic resin molded product of the present invention. This example uses a transparent base material 11 in which a pattern is formed by a flat portion 12 in a predetermined area on the back surface and an engraved concave portion 13 formed in a sculpture shape leaving the flat portion 12 in the periphery, A first decorative layer 21 made of a printed coating film 30 is formed on the flat portion 12 excluding the engraved recess 13 in a predetermined area on the back surface, and further laminated on the first decorative layer 21 to form the flat portion 12 and In the entire region including the engraved recess 13, the second decorative layer 22 of the vapor deposition film 32 is laminated along the unevenness of the flat portion 12 and the engraved recess 13.

  Here, as an example, when the first decorative layer 21 is formed by a transparent colored printing coating film 30, the substrate 11 is engraved by the vapor deposition film 32 that forms the second decorative layer 22 when viewed from the front side. While metallic luster appears from the entire surface including the recessed portion 13, a three-dimensional visual effect is exhibited as if the recessed portion 13 having colored metallic luster is raised.

  Moreover, the printing coating film 30 which forms the 1st decoration layer 21 is an on-demand printing machine, and even if a design is delicate, the flat part 12 does not shift | deviate along the boundary with the engraved recessed part 13. FIG. Therefore, the first decorative layer 21 can be formed with high accuracy.

  In addition, the 2nd decoration layer 22 may be a coating film or a vapor deposition film, and it forms with what laminated | stacked the film | membrane like a vapor deposition film + coating film according to the decoration objective. You can also. Moreover, the 1st decorating layer 21 and the 2nd decorating layer 22 can be formed with the same color type coating film, and the coloring density of the flat part 12 and the engraved recessed part 13 can also be changed delicately.

Next, FIG. 8 is a longitudinal sectional view showing still another decoration aspect of the decorative synthetic resin molded article of the present invention, and is a flat portion excluding the engraved concave portion 13 on the back surface of the transparent synthetic resin base material 11. 12, the 1st decorating layer 21 is formed with the printing coating film 30 by an on-demand printing machine.
In this example, the configuration of the decoration layer in FIG. 7 is composed only of the first decoration layer 21 with respect to the combination of the first decoration layer 21 and the second decoration layer 22. However, the engraving-like pattern formed by the flat portion 12 and the engraved concave portion 13 and the printed coating film 30 selectively formed only on the flat portion make the optical property of the substrate 11 having transparency. Combined with the effect, the sculpture-like pattern can be deeply and more three-dimensionally displayed.

Next, FIG. 9 (a), (b) is a longitudinal cross-sectional view which shows the further decoration aspect of the decorative synthetic resin molded product of this invention, and in addition to the decoration aspect of FIG. It is the example which laminated | stacked the thin-plate-shaped decorating member 25 which has a reflective surface on the back surface side.
The decorative member 25 is a reflection surface obtained by laminating a vapor deposition film 25b on one surface of a transparent synthetic resin sheet 25a, and combined with the optical effect of reflected light from the reflection surface, Can appear more three-dimensionally.

In the example of FIG. 9A, the sheet decorating member 25 is placed on the first decorating layer 21 so that the vapor deposition film 25 b faces downward, and is stacked on the base material 11, and the reflective surface and the first A transparent gap is formed by the sheet 25a between the decorative layer 21 and a further optical effect.
FIG. 9B shows an example in which the decorative member 25 is stacked with the vapor deposition film 25b on top, and the decorative member 25 itself is stacked with a gap 26 formed between the base member 11 and the decorative member 25 itself. is there.
Of course, the upper and lower positions of the sheet 25a and the deposited film 25b in FIGS. 6A and 6B can be reversed.

Here, the configuration of the decorative member 25 having a reflective surface or the stacking mode thereof is not limited to the above embodiment, and can be selected from various variations.
For example, the decorative member can be prepared in various modes such as a metal plate piece, a metal thin film piece, and a synthetic resin molded product in which a metal thin film layer is formed on the surface by vacuum deposition or hot stamping.
Moreover, the reflecting surface can be not only a mirror-like one that completely reflects light, but also semi-reflective that allows part of the light to pass through. You can also.

As mentioned above, although the embodiment was described along the Example about the decorative synthetic resin molded product of this invention, embodiment of this invention is not limited to the said Example.
For example, the design is not limited to the character “ABC” in FIG. 1 or the geometric pattern as shown in FIG. 4, and may be a design or a pattern of various shapes. Moreover, the molded product used as a base material can also be used even if it is translucent.

In addition, as described above, the second decorative layer and the decorative member can be selected in various configurations according to the purpose of decoration and the shape of the molded product, and the formation part and non-formation part of the printed coating film, or Changes in color, gloss, and texture between the flat and engraved recesses can be selected from many variations.

  As described above, the decorative synthetic resin molded product of the present invention uses a printed coating film formed by utilizing the function of an on-demand printing machine on the back surface of a transparent base material, and is further stacked with a decorative layer In combination with a sculpture-like pattern formed on the back of a base material, decorative member, or base material, it produces a visual effect with a three-dimensional and high-quality texture, and is widely used in the field of cosmetic containers, etc. Expansion is expected.

It is a perspective view of the container for cosmetics which is 1st Example of the decorative synthetic resin molded product of this invention. It is a perspective view of the state which opened the cover body of the container for cosmetics of FIG. It is a longitudinal cross-sectional view of the pattern vicinity of the cover body shown along the AA line in FIG. It is a top view of the cover body of the container for cosmetics which is 2nd Example of the decorative synthetic resin molded product of this invention. It is a longitudinal cross-sectional view shown along the BB line of the cover body of FIG. It is a longitudinal cross-sectional view which shows the other decoration aspect of the decorative synthetic resin molded product of this invention. It is a longitudinal cross-sectional view which shows the further decoration aspect of the decorating synthetic resin molded product of this invention. It is a longitudinal cross-sectional view which shows the further decoration aspect of the decorating synthetic resin molded product of this invention. (A), (b) is a longitudinal cross-sectional view which shows the other decoration aspect of the decorative synthetic resin molded product of this invention, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Cosmetic container 2; Container main body 3; Lid body 5; Design 11; Base material 12; Flat part 13; Engraved recessed part 14; (Printed coating film) formation part 15; Part 20; decoration layer 21; first decoration layer 22; second decoration layer 23; transparent decoration layer 25; decoration member 25a; sheet 25b; vapor deposition film 26; gap 30; ; Deposition film

Claims (8)

Forming a printed coating film (30) by a printing machine having an on-demand printing function in a predetermined area on the back surface of the transparent synthetic resin base material (11), and forming the printed coating film (30) ( 14) and the non-formed part (15) form an uneven pattern, and further the decorative layer (20) or the decorative member (25) having a function as a reflective surface on the back surface side of the substrate (11) A decorative synthetic resin molded product, characterized in that it is disposed in a stacked manner in a region including a forming part (14) and a non-forming part (15). The decorative synthetic resin molded article according to claim 1, wherein a transparent decorative layer (23) is laminated on the formation part (14) of the printed coating film (30). The decorative synthetic resin molded article according to claim 1 or 2, wherein a transparent decorative layer (23) is laminated on a predetermined region including the formation part (14) and the non-formation part (15) of the printed coating film (30). The decoration layer (20) which has a function as a reflective surface was formed in the area | region containing the formation part (14) and non-formation part (15) of a printing coating film (30) with the vapor deposition film (32). 2. A decorative synthetic resin molded product according to 2 or 3. The decorative member (25) having a function as a reflecting surface is used, and the reflecting surface is disposed in a stacked manner on the back surface side of the base material (11). Decorative synthetic resin molded product. In a predetermined region on the back surface of the synthetic resin base material (11) having transparency, a flat portion (12) and an engraved concave portion (13) formed in a sculpture shape leaving the flat portion (12) in the periphery The first decorative pattern is formed by forming a printed film (30) by a printing machine having an on-demand printing function on the flat portion (12) excluding the engraved recess (13) in the predetermined area. A decorative synthetic resin molded product characterized by comprising a layer (21). Overlaid on the first decorative layer (21), in a region including the flat portion (12) and the engraved recess (13), along the uneven shape of the flat portion (12) and the engraved recess (13). The decorative synthetic resin molded article according to claim 6, wherein a second decorative layer (22) comprising at least one layer selected from a coating film and a vapor deposition film is laminated. The decorative synthetic resin molded article according to claim 6 or 7, wherein a decorative member (25) having a reflective surface is used, and the reflective surfaces are arranged in a stacked manner on the back surface side of the base material (11).